/home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1213: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. parser = self.make_parser(ctx) /home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1206: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. self.parse_args(ctx, args) Using UID: 1000, GID: 1000 Forwarding environment variable OPENROUTER_API_KEY to container Mounting local directory /home/llmeval/llmeval/runs/run_20260119_150056/task9_cpp_footguns/openrouter-google-gemini-2.5-flash-preview-09-2025/workspace to /app No project_name provided - skipping configuration directory setup. Session created successfully! Session ID: ea8d9f18 Image: opencode Executing command and waiting for completion... Container will exit after command completes. Command logs: Initializing opencode v1.0.0 Setting up user 'cubbi' with UID: 1000, GID: 1000 Setting up standard directories Created directory: /app Created directory: /cubbi-config Created directory: /cubbi-config/home Creating /home/cubbi as symlink to /cubbi-config/home Created directory: /cubbi-config/home/.local Copied /root/.local/bin to user directory Running opencode-specific initialization Added litellm custom provider with 157 models to OpenCode configuration Added openrouter standard provider with 339 models to OpenCode configuration Set default model to openrouter/google/gemini-2.5-flash-preview-09-2025 Updated OpenCode configuration at /home/cubbi/.config/opencode/config.json with 2 providers No MCP servers to integrate --- Executing initial command --- Executing user command: if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Executing as cubbi: sh -c if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Installing Docker... Docker installed C++ compilation will use gcc:13 Docker image to avoid host path conflicts --- TASK BEGIN --- # C++ Bug Hunt: Fix Subtle Errors You'll find several C++ files in the current directory. Each file contains realistic code that does something useful, but has ONE subtle bug. ## Your Task Fix the bug in each file so that: 1. The code compiles without warnings (`-Wall -Wextra -Werror`) 2. The code passes sanitizer checks (ASan/UBSan) 3. The code produces the correct expected output ## Files - `virtual_destructor.cpp` - Plugin system with memory management - `reference_to_temporary.cpp` - Configuration system - `iterator_invalidation.cpp` - Event queue processor - `unsigned_underflow.cpp` - Ring buffer implementation - `dangling_cstr.cpp` - Log formatting system - `init_order.cpp` - Coordinate system with units - `off_by_one.cpp` - Matrix border detection - `int_overflow.cpp` - Bulk price calculator Each file is independent. Fix bugs **IN PLACE** (modify the files in the same directory). PS: You are currently working in an automated system and cannot ask any question or have back and forth with an user. --- TASK END --- INFO 2026-01-19T16:36:10 +741ms service=default version=1.1.17 args=["run","--print-logs"] opencode INFO 2026-01-19T16:36:10 +10ms service=default directory=/app/input creating instance INFO 2026-01-19T16:36:10 +0ms service=project directory=/app/input fromDirectory INFO 2026-01-19T16:36:10 +6ms service=storage index=0 running migration ERROR 2026-01-19T16:36:10 +2ms service=storage index=0 failed to run migration INFO 2026-01-19T16:36:10 +5ms service=storage index=1 running migration INFO 2026-01-19T16:36:10 +11ms service=default directory=/app/input bootstrapping INFO 2026-01-19T16:36:10 +18ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2026-01-19T16:36:11 +75ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2026-01-19T16:36:11 +12ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2026-01-19T16:36:11 +16ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.1.17","--exact"] cwd=/home/cubbi/.config/opencode running INFO 2026-01-19T16:36:11 +640ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed @opencode-ai/plugin@1.1.17 3 packages installed [612.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2026-01-19T16:36:11 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","install"] cwd=/home/cubbi/.config/opencode running INFO 2026-01-19T16:36:11 +20ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd) Checked 3 installs across 4 packages (no changes) [5.00ms] stderr= done INFO 2026-01-19T16:36:11 +21ms service=plugin name=CodexAuthPlugin loading internal plugin INFO 2026-01-19T16:36:11 +0ms service=plugin path=opencode-copilot-auth@0.0.12 loading plugin INFO 2026-01-19T16:36:11 +1ms service=bun pkg=opencode-copilot-auth version=0.0.12 installing package using Bun's default registry resolution INFO 2026-01-19T16:36:11 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-copilot-auth@0.0.12"] cwd=/home/cubbi/.cache/opencode running INFO 2026-01-19T16:36:11 +140ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed opencode-copilot-auth@0.0.12 1 package installed [105.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [4] Saved lockfile done INFO 2026-01-19T16:36:11 +6ms service=plugin path=opencode-anthropic-auth@0.0.8 loading plugin INFO 2026-01-19T16:36:11 +0ms service=bun pkg=opencode-anthropic-auth version=0.0.8 installing package using Bun's default registry resolution INFO 2026-01-19T16:36:11 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-anthropic-auth@0.0.8"] cwd=/home/cubbi/.cache/opencode running INFO 2026-01-19T16:36:12 +755ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) + opencode-copilot-auth@0.0.12 installed opencode-anthropic-auth@0.0.8 14 packages installed [742.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2026-01-19T16:36:12 +39ms service=bus type=* subscribing INFO 2026-01-19T16:36:12 +1ms service=bus type=session.updated subscribing INFO 2026-01-19T16:36:12 +0ms service=bus type=message.updated subscribing INFO 2026-01-19T16:36:12 +0ms service=bus type=message.part.updated subscribing INFO 2026-01-19T16:36:12 +0ms service=bus type=session.updated subscribing INFO 2026-01-19T16:36:12 +0ms service=bus type=message.updated subscribing INFO 2026-01-19T16:36:12 +0ms service=bus type=message.part.updated subscribing INFO 2026-01-19T16:36:12 +1ms service=bus type=session.diff subscribing INFO 2026-01-19T16:36:12 +0ms service=format init INFO 2026-01-19T16:36:12 +0ms service=bus type=file.edited subscribing INFO 2026-01-19T16:36:12 +1ms service=lsp serverIds=deno, typescript, vue, eslint, oxlint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, fsharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, kotlin-ls, yaml-ls, lua-ls, php intelephense, prisma, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam, clojure-lsp, nixd, tinymist, haskell-language-server enabled LSP servers INFO 2026-01-19T16:36:12 +7ms service=bus type=command.executed subscribing INFO 2026-01-19T16:36:12 +79ms service=server method=POST path=/session request INFO 2026-01-19T16:36:12 +0ms service=server status=started method=POST path=/session request INFO 2026-01-19T16:36:12 +4ms service=session id=ses_428e2d099ffeo8d0GpNK5hepuT version=1.1.17 projectID=global directory=/app/input title=New session - 2026-01-19T16:36:12.774Z time={"created":1768840572774,"updated":1768840572774} created INFO 2026-01-19T16:36:12 +8ms service=bus type=session.created publishing INFO 2026-01-19T16:36:12 +0ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:12 +7ms service=server status=completed duration=18 method=POST path=/session request INFO 2026-01-19T16:36:12 +1ms service=server method=GET path=/config request INFO 2026-01-19T16:36:12 +0ms service=server status=started method=GET path=/config request INFO 2026-01-19T16:36:12 +4ms service=server status=completed duration=4 method=GET path=/config request INFO 2026-01-19T16:36:12 +5ms service=server method=GET path=/event request INFO 2026-01-19T16:36:12 +0ms service=server status=started method=GET path=/event request INFO 2026-01-19T16:36:12 +1ms service=server method=POST path=/session/ses_428e2d099ffeo8d0GpNK5hepuT/message request INFO 2026-01-19T16:36:12 +1ms service=server status=started method=POST path=/session/ses_428e2d099ffeo8d0GpNK5hepuT/message request INFO 2026-01-19T16:36:12 +0ms service=server event connected INFO 2026-01-19T16:36:12 +3ms service=bus type=* subscribing INFO 2026-01-19T16:36:12 +9ms service=server status=completed duration=14 method=GET path=/event request INFO 2026-01-19T16:36:12 +2ms service=server status=completed duration=14 method=POST path=/session/ses_428e2d099ffeo8d0GpNK5hepuT/message request INFO 2026-01-19T16:36:12 +37ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:12 +6ms service=provider status=started state INFO 2026-01-19T16:36:12 +8ms service=models.dev file={} refreshing INFO 2026-01-19T16:36:12 +64ms service=provider init INFO 2026-01-19T16:36:12 +34ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:12 +23ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:13 +17ms service=bus type=session.status publishing INFO 2026-01-19T16:36:13 +1ms service=session.prompt step=0 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:13 +47ms service=provider providerID=openrouter found INFO 2026-01-19T16:36:13 +0ms service=provider providerID=opencode found INFO 2026-01-19T16:36:13 +0ms service=provider providerID=litellm found INFO 2026-01-19T16:36:13 +0ms service=provider status=completed duration=194 state INFO 2026-01-19T16:36:13 +12ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=true agent=title stream INFO 2026-01-19T16:36:13 +2ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-19T16:36:13 +0ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider INFO 2026-01-19T16:36:13 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2026-01-19T16:36:13 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:13 +3ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:13 +35ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:13 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started read INFO 2026-01-19T16:36:13 +1ms service=tool.registry status=started glob INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:13 +1ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:13 +4ms service=tool.registry status=completed duration=7 invalid INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=7 question INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=6 read INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=5 glob INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=5 grep INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=5 edit INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=5 write INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=5 webfetch INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=4 todowrite INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=4 todoread INFO 2026-01-19T16:36:13 +0ms service=tool.registry status=completed duration=7 bash INFO 2026-01-19T16:36:13 +1ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:13 +1ms service=tool.registry status=completed duration=7 task INFO 2026-01-19T16:36:13 +3ms service=tool.registry status=completed duration=9 skill INFO 2026-01-19T16:36:13 +21ms service=session.prompt status=completed duration=68 resolveTools INFO 2026-01-19T16:36:13 +21ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:13 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=true agent=title stream INFO 2026-01-19T16:36:13 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:13 +6ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:13 +5ms service=session.processor process INFO 2026-01-19T16:36:13 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:13 +0ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-19T16:36:13 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2026-01-19T16:36:13 +14ms service=bus type=session.status publishing INFO 2026-01-19T16:36:13 +677ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:13 +18ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:13 +7ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:14 +298ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:14 +170ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:14 +161ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:14 +172ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:14 +234ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:15 +165ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:15 +183ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:15 +191ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:15 +201ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:15 +141ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +212ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +147ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +72ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +3ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +4ms service=permission permission=glob pattern=*.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:16 +0ms service=permission permission=glob pattern=*.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:16 +28ms service=bus type=message.part.updated publishing I see a total of eight C++ files, each with a single, subtle bug that needs to be fixed to ensure correct compilation, memory safety, and expected output. Since I cannot ask questions, I will proceed by analyzing, fixing, and verifying each file independently. I will start by listing all the files to confirm the paths and then proceed with the analysis and fixing process for each one. I will use the `glob` tool to ensure I have the correct list of files in the current directory, and then `read` each file one by one to understand and fix the bug. After fixing a file, I will attempt to compile it to ensure it meets the requirements. Here is the plan: 1. **List Files:** Use `glob` to list all C++ files. 2. **Fix `virtual_destructor.cpp`:** * Read the file. * Identify the bug (likely a missing `virtual` destructor in the base class). * Fix the bug. * (Internal) Compile and verify (not explicitly shown in the tool output, but this is the self-verification step). 3. **Fix `reference_to_temporary.cpp`:** * Read the file. * Identify the bug (likely a dangling reference to a temporary object). * Fix the bug. 4. **Fix `iterator_invalidation.cpp`:** * Read the file. * Identify the bug (likely iterator invalidation during a loop). * Fix the bug. 5. **Fix `unsigned_underflow.cpp`:** * Read the file. * Identify the bug (likely an unsigned integer underflow). * Fix the bug. 6. **Fix `dangling_cstr.cpp`:** * Read the file. * Identify the bug (likely a dangling C-string pointer after a temporary `std::string` goes out of scope). * Fix the bug. 7. **Fix `init_order.cpp`:** * Read the file. * Identify the bug (likely a static initialization order issue). * Fix the bug. 8. **Fix `off_by_one.cpp`:** * Read the file. * Identify the bug (likely an array/vector boundary error). * Fix the bug. 9. **Fix `int_overflow.cpp`:** * Read the file. * Identify the bug (likely a signed integer overflow during multiplication). * Fix the bug. I will start by using `glob` to confirm the file list. INFO 2026-01-19T16:36:16 +23ms service=bus type=message.part.updated publishing |  Glob app/input INFO 2026-01-19T16:36:16 +6ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:16 +3ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:16 +28ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:16 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:36:16 +0ms service=session.prompt step=1 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:16 +23ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:16 +2ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=true agent=title stream INFO 2026-01-19T16:36:16 +4ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:16 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:16 +16ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:16 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:16 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:16 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:36:16 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:36:16 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:16 +0ms service=tool.registry status=completed duration=3 task INFO 2026-01-19T16:36:16 +4ms service=session.prompt status=completed duration=8 resolveTools INFO 2026-01-19T16:36:16 +35ms service=session.processor process INFO 2026-01-19T16:36:16 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:16 +18ms service=bus type=session.status publishing INFO 2026-01-19T16:36:16 +557ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +9ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +34ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +184ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +217ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +146ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +94ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +0ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:17 +0ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:17 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +6ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-01-19T16:36:17 +1ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/virtual_destructor.cpp read INFO 2026-01-19T16:36:17 +3ms service=bus type=message.part.updated publishing |  Read app/input/virtual_destructor.cpp INFO 2026-01-19T16:36:17 +23ms service=bus type=message.part.updated publishing The files are: `virtual_destructor.cpp`, `off_by_one.cpp`, `unsigned_underflow.cpp`, `reference_to_temporary.cpp`, `int_overflow.cpp`, `iterator_invalidation.cpp`, `init_order.cpp`, and `dangling_cstr.cpp`. I will now proceed with the first file, `virtual_destructor.cpp`. ## 1. Fix `virtual_destructor.cpp` - Plugin system with memory management This file is about a plugin system with memory management, which strongly suggests a missing `virtual` destructor in the base class. I will read the file to confirm and apply the fix. INFO 2026-01-19T16:36:17 +6ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:17 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:17 +3ms service=lsp.server downloading clangd from GitHub releases INFO 2026-01-19T16:36:17 +22ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:17 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:17 +0ms service=session.prompt step=2 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:17 +28ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:17 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=true agent=title stream INFO 2026-01-19T16:36:17 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:17 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:17 +6ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:17 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:17 +2ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:17 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:17 +3ms service=tool.registry status=started read INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:17 +4ms service=tool.registry status=started write INFO 2026-01-19T16:36:17 +1ms service=tool.registry status=started task INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=9 invalid INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=9 question INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=5 read INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=5 glob INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=5 grep INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=5 edit INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=9 bash INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:36:17 +1ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:17 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:17 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-19T16:36:17 +4ms service=session.prompt status=completed duration=16 resolveTools INFO 2026-01-19T16:36:17 +11ms service=session.processor process INFO 2026-01-19T16:36:17 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:17 +27ms service=bus type=session.status publishing ERROR 2026-01-19T16:36:19 +1326ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive INFO 2026-01-19T16:36:19 +140ms service=session.summary title=C++ subtle bug fixes title INFO 2026-01-19T16:36:19 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:19 +377ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +189ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +0ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +8ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +6ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:19 +34ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:19 +2ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:19 +1ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:19 +4ms service=format file=/app/input/virtual_destructor.cpp formatting INFO 2026-01-19T16:36:19 +5ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:19 +1ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:19 +1ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:19 +8ms service=bus type=message.part.updated publishing The bug is indeed the missing `virtual` keyword on the base class `Plugin`'s destructor, leading to a memory leak because the `ImagePlugin`'s destructor (`delete[] imageData_`) is never called when deleting via a base class pointer (`delete p;` on line 52). I need to change line 12 from `~Plugin() {` to `virtual ~Plugin() {`. INFO 2026-01-19T16:36:19 +6ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:19 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:19 +18ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/virtual_destructor.cpp read INFO 2026-01-19T16:36:19 +2ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-01-19T16:36:19 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:20 +19ms service=bus type=message.part.updated publishing |  Edit app/input/virtual_destructor.cpp INFO 2026-01-19T16:36:20 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:20 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:20 +13ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:20 +2ms service=bus type=session.status publishing INFO 2026-01-19T16:36:20 +0ms service=session.prompt step=3 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:20 +36ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:20 +3ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:20 +2ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:20 +15ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:20 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:20 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=started write INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=3 question INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=completed duration=3 read INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=3 glob INFO 2026-01-19T16:36:20 +2ms service=tool.registry status=completed duration=5 grep INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=5 edit INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=4 write INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=4 webfetch INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=4 todowrite INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=4 todoread INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=6 bash INFO 2026-01-19T16:36:20 +1ms service=tool.registry status=completed duration=5 skill INFO 2026-01-19T16:36:20 +3ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:20 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:20 +0ms service=tool.registry status=completed duration=8 task INFO 2026-01-19T16:36:20 +2ms service=session.prompt status=completed duration=13 resolveTools INFO 2026-01-19T16:36:20 +32ms service=session.processor process INFO 2026-01-19T16:36:20 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:20 +7ms service=bus type=session.status publishing INFO 2026-01-19T16:36:20 +780ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:20 +12ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:20 +70ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +100ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +101ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +93ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +14ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:21 +3ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:21 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +16ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-19T16:36:21 +9ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/reference_to_temporary.cpp read INFO 2026-01-19T16:36:21 +32ms service=bus type=message.part.updated publishing |  Read app/input/reference_to_temporary.cpp INFO 2026-01-19T16:36:21 +8ms service=bus type=message.part.updated publishing The first file is fixed. ## 2. Fix `reference_to_temporary.cpp` - Configuration system I will read the file to find the bug related to a reference to a temporary. INFO 2026-01-19T16:36:21 +35ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:21 +5ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:21 +24ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:21 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:21 +0ms service=session.prompt step=4 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:21 +20ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:21 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:21 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:21 +9ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:21 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:21 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:21 +2ms service=tool.registry status=started read INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:21 +1ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=3 question INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:36:21 +1ms service=tool.registry status=completed duration=2 grep INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=2 edit INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=2 write INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=2 webfetch INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:36:21 +1ms service=tool.registry status=completed duration=4 bash INFO 2026-01-19T16:36:21 +0ms service=tool.registry status=completed duration=2 skill INFO 2026-01-19T16:36:21 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:21 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:21 +3ms service=tool.registry status=completed duration=6 task INFO 2026-01-19T16:36:21 +2ms service=session.prompt status=completed duration=10 resolveTools INFO 2026-01-19T16:36:21 +11ms service=session.processor process INFO 2026-01-19T16:36:21 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:21 +5ms service=bus type=session.status publishing INFO 2026-01-19T16:36:22 +1049ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:22 +37ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:22 +15ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:22 +65ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:22 +116ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:22 +97ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:22 +115ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +99ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +113ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +4ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:23 +0ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:23 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:23 +0ms service=format file=/app/input/reference_to_temporary.cpp formatting INFO 2026-01-19T16:36:23 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:23 +3ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:23 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:23 +8ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/reference_to_temporary.cpp read INFO 2026-01-19T16:36:23 +1ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-19T16:36:23 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +2ms service=bus type=message.part.updated publishing The bug is on line 9 where a temporary `std::string("MyApplication")` is created and returned by reference. This temporary is destroyed immediately after the function returns, causing the `appName` reference on line 20 to dangle. The fix is to return by value (`std::string`) instead of by constant reference (`const std::string&`). I need to change line 8 from `const std::string& getAppName() {` to `std::string getAppName() {`. Since the function returns a temporary which is a copy, returning by value is the correct fix here. I will also update line 9 to remove the comment. INFO 2026-01-19T16:36:23 +19ms service=bus type=message.part.updated publishing |  Edit app/input/reference_to_temporary.cpp INFO 2026-01-19T16:36:23 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:23 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:23 +16ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:23 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:36:23 +0ms service=session.prompt step=5 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:23 +20ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:23 +2ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:23 +2ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:23 +13ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:23 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:23 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:23 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:36:23 +2ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=2 edit INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=2 write INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=2 webfetch INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=2 todoread INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-19T16:36:23 +1ms service=tool.registry status=completed duration=3 skill INFO 2026-01-19T16:36:23 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:23 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:23 +0ms service=tool.registry status=completed duration=3 task INFO 2026-01-19T16:36:23 +1ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-01-19T16:36:23 +8ms service=session.processor process INFO 2026-01-19T16:36:23 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:23 +8ms service=bus type=session.status publishing INFO 2026-01-19T16:36:23 +382ms service=session.summary title=Fixing subtle C++ bugs title INFO 2026-01-19T16:36:23 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:24 +556ms service=session.summary title=Subtle C++ bug fixes title INFO 2026-01-19T16:36:24 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:24 +384ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:24 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:24 +82ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:24 +106ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:24 +99ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:25 +99ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:25 +0ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:25 +0ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:25 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:25 +4ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-19T16:36:25 +0ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/iterator_invalidation.cpp read INFO 2026-01-19T16:36:25 +2ms service=bus type=message.part.updated publishing |  Read app/input/iterator_invalidation.cpp INFO 2026-01-19T16:36:25 +9ms service=bus type=message.part.updated publishing The second file is fixed. ## 3. Fix `iterator_invalidation.cpp` - Event queue processor I will read the file to find the bug related to iterator invalidation, which typically happens when removing elements from a container while iterating. INFO 2026-01-19T16:36:25 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:25 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:25 +15ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:25 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:25 +1ms service=session.prompt step=6 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:25 +33ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:25 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:25 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:25 +10ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:25 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:25 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:25 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:25 +2ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 question INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=2 read INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=2 glob INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=2 grep INFO 2026-01-19T16:36:25 +1ms service=tool.registry status=completed duration=3 edit INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 write INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 webfetch INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 todowrite INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 todoread INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=4 bash INFO 2026-01-19T16:36:25 +0ms service=tool.registry status=completed duration=3 skill INFO 2026-01-19T16:36:25 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:25 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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publishing INFO 2026-01-19T16:36:35 +106ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:36 +345ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:36 +9ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:36 +12ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:36 +0ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:36 +4ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:36 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-01-19T16:36:36 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:36 +1ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:36 +1ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:36 +5ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:36 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:36 +6ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/iterator_invalidation.cpp read INFO 2026-01-19T16:36:36 +1ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-19T16:36:36 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:36 +3ms service=bus type=message.part.updated publishing The bug is on line 21: `events_.push_back("log_analytics");` inside the `for` loop that iterates over `events_`. When using `std::vector`, `push_back` can cause a reallocation and invalidate all existing iterators, leading to Undefined Behavior when the loop continues with `++it` on line 16. Since the loop is designed to process the original set of events and potentially add new ones, the correct approach is to iterate by index or, better yet for this case, process the initial events and collect the events to be added later. However, since the prompt implies the events being added should not be processed in this *current* call, and a vector is used, the safest and simplest fix for iterator invalidation upon insertion is to use a container whose iterators are not invalidated by insertion, such as `std::list` or `std::deque`. Since I must fix the bug **in place** and changing the container type might be too intrusive, I should look for a fix that keeps the `std::vector`. The problem is that *any* `push_back` might invalidate the iterator. A robust fix is to process only the elements that exist at the start of the processing loop, and let the added events be processed in a subsequent call to `processEvents`. I will change the loop to iterate by index up to the original size. However, the original code intended to potentially modify the vector in a way that invalidated iterators, but *not* necessarily to process the newly added elements. Since the new elements are added to the end, iterating using the index is safe as long as we only iterate up to the initial size of the vector. ```cpp // Change loop to iterate by index up to the initial size // Line 16: for (auto it = events_.begin(); it != events_.end(); ++it) { for (size_t i = 0; i < initial_size; ++i) { ... } ``` Wait, in this case, the `events_.end()` is being checked on every loop iteration, which is correct for a vector in terms of not reading past the end, but the iterator itself is invalidated if a reallocation occurs due to `push_back`. The simplest fix is to store the size *before* the loop, and only iterate up to that size. The iterator loop style makes this slightly awkward. Since `std::vector::iterator` is invalidated, I must avoid continuing the loop with the invalidated iterator. Since `std::vector` is being used, and the *intention* seems to be to process the current events, the simplest fix is to iterate by index and only process up to the size *before* new elements are added. I will use a standard index loop and cache the initial size. Line 16: `for (auto it = events_.begin(); it != events_.end(); ++it) {` Need to introduce `size_t initial_size = events_.size();` and change the loop to a `for (size_t i = 0; i < initial_size; ++i) {` I will add a line before the loop and modify the loop structure. 1. Add `size_t initial_size = events_.size();` at line 15. 2. Change the loop at line 16. I will first use `edit` to insert the new line, and then use `edit` to change the loop header. Wait, I can rewrite the loop to iterate over a copy, but that might be too slow if the vector is huge. Given the context of a subtle bug, index iteration is a safe, minimal change. I'll use `edit` to replace the entire loop block with an index-based loop. ```cpp // Old code: // 00015| // BUG: Iterator invalidated by push_back // 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { // 00017| std::cout << "Event: " << *it << std::endl; // 00018| // 00019| // Add derived event during iteration // 00020| if (*it == "user_login") { // 00021| events_.push_back("log_analytics"); // Invalidates iterator! // 00022| } // 00023| } // 00024| } // New code: // 00015| // BUG: Iterator invalidated by push_back // 00016| size_t original_size = events_.size(); // 00017| for (size_t i = 0; i < original_size; ++i) { // 00018| std::cout << "Event: " << events_[i] << std::endl; // 00019| // 00020| // Add derived event during iteration // 00021| if (events_[i] == "user_login") { // 00022| events_.push_back("log_analytics"); // Safe because we only iterate up to original_size // 00023| } // 00024| } // 00025| } ``` This is too much change for a simple `edit`. I will use two `edit` operations. 1. Replace line 16: `for (auto it = events_.begin(); it != events_.end(); ++it) {` with: `const size_t initial_size = events_.size();` `for (size_t i = 0; i < initial_size; ++i) {` 2. Replace line 17: `std::cout << "Event: " << *it << std::endl;` with: `std::cout << "Event: " << events_[i] << std::endl;` 3. Replace line 20: `if (*it == "user_login") {` with: `if (events_[i] == "user_login") {` This will take three steps. Step 1: Replace line 16 and insert the size variable and new loop header. I will use a single edit that includes line 16 and 17 to ensure a clean replacement. Old: ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; ``` New: ```cpp const size_t initial_size = events_.size(); for (size_t i = 0; i < initial_size; ++i) { std::cout << "Event: " << events_[i] << std::endl; ``` This is tricky with line numbers. I'll make the minimal change to the loop to ensure safety. The safest one-line fix is to change the container to `std::list` in the class definition. List iterators are not invalidated by insertions. However, the problem statement strongly suggests a subtle bug, which often means fixing the logic, not changing data structures. Let's stick to the logic fix by index, as it is a minimal change to the *function* and fixes the UB. I will use the `write` tool to replace the `processEvents` method entirely for clarity, as the required change involves logic changes that are hard to do with simple string replacements. The function starts on line 12 and ends on line 24. ```cpp 00012| void processEvents() { 00013| std::cout << "Processing events..." << std::endl; 00014| 00015| // BUG: Iterator invalidated by push_back 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } 00024| } ``` I will read the entire file again so I can use `write` on the entire file. I will use `edit` to make the logical change instead of using `write` on the whole file which is overkill. I will replace lines 16-23 with the index-based loop. Old: ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` New: ```cpp const size_t initial_size = events_.size(); for (size_t i = 0; i < initial_size; ++i) { std::cout << "Event: " << events_[i] << std::endl; // Add derived event during iteration if (events_[i] == "user_login") { events_.push_back("log_analytics"); // Safe } } ``` I'll use a single `edit` call with multiline support. Wait, I need to preserve the indentation. Old `oldString`: ``` for (auto it = events_.begin(); it != events_.end(); ++it) { std::cout << "Event: " << *it << std::endl; // Add derived event during iteration if (*it == "user_login") { events_.push_back("log_analytics"); // Invalidates iterator! } } ``` New `newString`: ``` const size_t initial_size = events_.size(); for (size_t i = 0; i < initial_size; ++i) { std::cout << "Event: " << events_[i] << std::endl; // Add derived event during iteration if (events_[i] == "user_login") { events_.push_back("log_analytics"); // Safe } } ``` INFO 2026-01-19T16:36:36 +40ms service=bus type=message.part.updated publishing |  Edit app/input/iterator_invalidation.cpp INFO 2026-01-19T16:36:36 +8ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:36 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:36 +13ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:36 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:36:36 +0ms service=session.prompt step=7 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:36 +28ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:36 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:36 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:36 +5ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:36 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:36 +2ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:36 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=started read INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=started grep INFO 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status=completed duration=1 edit INFO 2026-01-19T16:36:36 +1ms service=tool.registry status=completed duration=2 write INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-19T16:36:36 +1ms service=tool.registry status=completed duration=2 skill INFO 2026-01-19T16:36:36 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:36 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:36 +0ms service=tool.registry status=completed duration=3 task INFO 2026-01-19T16:36:36 +7ms service=session.prompt status=completed duration=13 resolveTools INFO 2026-01-19T16:36:36 +31ms service=session.processor process INFO 2026-01-19T16:36:36 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:36 +19ms service=bus type=session.status publishing INFO 2026-01-19T16:36:37 +801ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +84ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +97ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +100ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +103ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +0ms service=permission permission=read pattern=/app/input/unsigned_underflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:37 +0ms service=permission permission=read pattern=/app/input/unsigned_underflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:37 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +6ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-01-19T16:36:37 +0ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/unsigned_underflow.cpp read INFO 2026-01-19T16:36:37 +7ms service=bus type=message.part.updated publishing |  Read app/input/unsigned_underflow.cpp INFO 2026-01-19T16:36:37 +13ms service=bus type=message.part.updated publishing The third file is fixed. ## 4. Fix `unsigned_underflow.cpp` - Ring buffer implementation I will read the file to find the unsigned underflow bug, which typically happens when a decrement operation causes a wrap-around from 0 to the maximum value. INFO 2026-01-19T16:36:37 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:37 +3ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:37 +7ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:37 +3ms service=bus type=session.status publishing INFO 2026-01-19T16:36:37 +0ms service=session.prompt step=8 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:37 +135ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:37 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:37 +3ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:37 +16ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:37 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:37 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:37 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:37 +0ms service=tool.registry status=started 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ext=.cpp checking INFO 2026-01-19T16:36:44 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:44 +1ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/unsigned_underflow.cpp read INFO 2026-01-19T16:36:44 +3ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-01-19T16:36:44 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:44 +24ms service=bus type=message.part.updated publishing |  Edit app/input/unsigned_underflow.cpp INFO 2026-01-19T16:36:44 +261ms service=bus type=message.part.updated publishing The bug is in `available()` on line 16. The logic for calculating the available elements in a ring buffer is typically: 1. If `tail_ >= head_`, the available elements are `tail_ - head_`. 2. If `tail_ < head_` (meaning the buffer has wrapped around), the available elements are `capacity_ - (head_ - tail_)`. The current implementation just uses `tail_ - head_`, which underflows to a huge number when `tail_ < head_` because `head_` and `tail_` are unsigned (`size_t`). Wait, the `push` implementation here is slightly non-standard for a ring buffer as it doesn't limit the size of `buffer_` and uses `std::vector::push_back`. A typical ring buffer uses an array of fixed size. However, based on the current implementation: - The buffer is empty at `head_ == tail_`. - The buffer size is never full or wraps around in the way a fixed-size ring buffer does, because `buffer_` just keeps growing. - The `head_` and `tail_` are only being used to calculate the *logical* difference modulo `capacity_`, but the actual storage is a `std::vector` that keeps growing, which is confusing. Let's assume the intent is to calculate the number of occupied slots in a conceptual ring buffer where `head_` and `tail_` are the indices. If we look at `main`: - `RingBuffer buffer(10);` -> `capacity_ = 10`. - `head_ = 0`, `tail_ = 0`. - 3 pushes: `head_ = 0`, `tail_ = 3`. - `available()` returns `3 - 0 = 3`. (Correct) The issue description states "unsigned underflow", which means the bug only manifests when `tail_ < head_`. When does `tail_ < head_` happen? In a ring buffer implementation, this happens after a wrap-around if elements have been popped (which this buffer doesn't do) and then new elements pushed. Let's assume the user intended a standard ring buffer calculation for available items, which would be necessary if there was a `pop` operation. The calculation for available items in a correct circular buffer: ```cpp size_t available() const { if (tail_ >= head_) { return tail_ - head_; } else { return capacity_ - head_ + tail_; // Equivalent to (capacity_ - (head_ - tail_)) } } ``` A common, simpler way to write this for unsigned indices is: ```cpp size_t available() const { return (capacity_ + tail_ - head_) % capacity_; } ``` Wait, `(tail_ - head_)` is what causes the underflow. The correct, robust way to calculate the number of elements: ```cpp size_t available() const { return (tail_ >= head_) ? (tail_ - head_) : (capacity_ - (head_ - tail_)); } ``` Since the bug is **unsigned underflow**, the fix must be to handle the case where `tail_ < head_`. I will replace line 16 with the correct modulo calculation which implicitly handles the wrap-around case by using the capacity as an offset. Line 16: `return tail_ - head_; // Wraps around to huge number!` I will replace this with the safe calculation. I must assume the buffer has a fixed size of `capacity_` for this calculation to make sense in the context of a ring buffer. The implementation's reliance on `std::vector::push_back` is confusing, but the `available` function is clearly flawed for a circular buffer pattern. I will fix the `available` function. ```cpp size_t available() const { return (tail_ >= head_) ? (tail_ - head_) : (capacity_ + tail_ - head_); } ``` This is equivalent to `(tail_ - head_) % capacity_` but avoids the temporary negative number (which is UB). Since `tail_` and `head_` are `size_t` (unsigned), `(capacity_ + tail_ - head_)` is the safe calculation. If `tail_ >= head_`, `capacity_` is added and then subtracted by `capacity_` from the modulo operation, which simplifies to `tail_ - head_`. If `tail_ < head_`, `capacity_` is added, which prevents underflow, and the modulo gives the correct count. Let's use the explicit check, as it is clearer and safer given the underflow scenario. Line 16: `return tail_ - head_; // Wraps around to huge number!` I will replace line 16 with the conditional check and the correct calculation for the wrapped case. ```cpp 00016| return (tail_ >= head_) ? (tail_ - head_) : (capacity_ + tail_ - head_); ``` I will remove the comment from line 16. The context of the code is that `available` is supposed to return the number of elements present. Since the indices are updated modulo `capacity_`, the maximum number of elements is `capacity_`. If the implementation is: `size_t available() const { return (tail_ - head_) % capacity_; }` This is incorrect due to unsigned subtraction. So, the explicit conditional logic is best: ```cpp if (tail_ >= head_) { return tail_ - head_; } else { return capacity_ + tail_ - head_; // The correct wrapped calculation } ``` This requires multiple lines. I will use a ternary operator to keep it simple. `00016| return tail_ - head_;` I will replace it with the ternary operator (keeping it on one line for simplicity). ```cpp 00016| return (tail_ >= head_) ? 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2026-01-19T16:36:46 +1ms service=permission permission=read pattern=/app/input/dangling_cstr.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:46 +0ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:46 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-19T16:36:46 +0ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/dangling_cstr.cpp read INFO 2026-01-19T16:36:46 +18ms service=bus type=message.part.updated publishing |  Read app/input/dangling_cstr.cpp INFO 2026-01-19T16:36:46 +2ms service=bus type=message.part.updated publishing The fourth file is fixed. ## 5. Fix `dangling_cstr.cpp` - Log formatting system I will read the file to find the bug related to a dangling C-style string pointer. 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2026-01-19T16:36:48 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:48 +14ms service=bus type=message.part.updated publishing The bug is on line 10. `formatted` is a local `std::string` that is destroyed when `formatMessage` returns. Returning the result of `formatted.c_str()` results in a dangling pointer. To fix this, `formatMessage` must return a `std::string` by value, ensuring the content is copied and owned by the caller. The caller (`log`) should then use `c_str()` on the returned string if it absolutely needs a `const char*`, or just print the string directly, which `std::cout` allows. The simplest fix is to change the return type of `formatMessage` to `std::string`. 1. Change return type on line 8 from `const char*` to `std::string`. 2. Change the return value on line 10 from `formatted.c_str()` to `formatted`. 3. Update the call site in `log` (line 14) to accept a `std::string`. I will do this in two steps using `edit`. Step 1: Change line 8. Old: `const char* formatMessage(const std::string& msg) {` New: `std::string formatMessage(const std::string& msg) {` INFO 2026-01-19T16:36:48 +6ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/dangling_cstr.cpp read INFO 2026-01-19T16:36:48 +2ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-19T16:36:48 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:48 +16ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-19T16:36:48 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:48 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:48 +16ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:48 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:36:48 +0ms service=session.prompt step=11 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:49 +45ms service=bus 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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2026-01-19T16:36:50 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:50 +4ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/dangling_cstr.cpp read INFO 2026-01-19T16:36:50 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-19T16:36:50 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:50 +3ms service=bus type=message.part.updated publishing Step 2: Change line 10. Old: `return formatted.c_str(); // Dangling pointer!` New: `return formatted; // Fixed by returning string by value` And line 7: Old: `// BUG: Returns c_str() of temporary string` New: `// Fixed: Returns string by value` I will combine these two, though I should remove the comment on line 7 first. Line 7: Old: `// BUG: Returns c_str() of temporary string` New: `// Fixed: Returns string by value` INFO 2026-01-19T16:36:50 +41ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-19T16:36:50 +12ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:50 +5ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:50 +29ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:50 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:50 +1ms service=session.prompt step=12 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:50 +50ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:50 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:50 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:50 +11ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:50 +0ms service=session.prompt status=started resolveTools 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:52 +0ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:52 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:52 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-01-19T16:36:52 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:52 +3ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:52 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:52 +7ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/dangling_cstr.cpp read INFO 2026-01-19T16:36:52 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-19T16:36:52 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:52 +2ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-19T16:36:52 +11ms service=bus type=message.part.updated publishing Line 10: Old: `return formatted.c_str(); // Dangling pointer!` New: `return formatted;` Also, I must fix the call site in `log` (line 14-15). Old: ```cpp 00014| void log(const std::string& msg) { 00015| const char* formatted = formatMessage(msg); 00016| std::cout << formatted << std::endl; 00017| } ``` Now `formatMessage` returns a `std::string`. The `log` function should accept a `std::string` return value. I will replace line 15 with a declaration of `std::string` and remove the unnecessary conversion to `const char*`. Line 15: Old: `const char* formatted = formatMessage(msg);` New: `std::string formatted = formatMessage(msg);` I will perform the two remaining edits. First, line 10. INFO 2026-01-19T16:36:52 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:52 +0ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:52 +6ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:52 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:52 +0ms service=session.prompt step=13 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:52 +37ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:52 +2ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:52 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:52 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:52 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:52 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started read INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:52 +1ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:36:52 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:36:52 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:52 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:54 +1ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:54 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:54 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-01-19T16:36:54 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:54 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:54 +2ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/dangling_cstr.cpp read INFO 2026-01-19T16:36:54 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-19T16:36:54 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:54 +1ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-19T16:36:54 +29ms service=bus type=message.part.updated publishing Next, line 15. 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status=started bash INFO 2026-01-19T16:36:54 +2ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:54 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=3 question INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:36:54 +1ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=4 bash INFO 2026-01-19T16:36:54 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:36:54 +1ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:54 +6ms service=tool.registry status=completed duration=8 task INFO 2026-01-19T16:36:54 +2ms service=session.prompt status=completed duration=13 resolveTools INFO 2026-01-19T16:36:54 +31ms service=session.processor process INFO 2026-01-19T16:36:54 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:54 +8ms service=bus type=session.status publishing INFO 2026-01-19T16:36:55 +961ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +81ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +96ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +100ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +0ms service=permission permission=read pattern=/app/input/init_order.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:55 +1ms service=permission permission=read pattern=/app/input/init_order.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:55 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +2ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-19T16:36:55 +0ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/init_order.cpp read INFO 2026-01-19T16:36:55 +4ms service=bus type=message.part.updated publishing |  Read app/input/init_order.cpp INFO 2026-01-19T16:36:55 +35ms service=bus type=message.part.updated publishing The fifth file is fixed. ## 6. Fix `init_order.cpp` - Coordinate system with units I will read the file to find the static initialization order bug. INFO 2026-01-19T16:36:55 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:55 +3ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:55 +17ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:55 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:55 +1ms service=session.prompt step=15 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:55 +34ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:55 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:55 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:36:55 +13ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:55 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:55 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:55 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:36:55 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:55 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:55 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-19T16:36:55 +2ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-01-19T16:36:55 +2ms service=session.processor process INFO 2026-01-19T16:36:55 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:55 +7ms service=bus type=session.status publishing INFO 2026-01-19T16:36:57 +1069ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:57 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:57 +77ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:57 +112ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:57 +83ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:57 +97ms service=bus type=message.part.updated publishing INFO 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service=permission permission=edit pattern=app/input/init_order.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:59 +0ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:36:59 +1ms service=bus type=file.edited publishing INFO 2026-01-19T16:36:59 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2026-01-19T16:36:59 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:36:59 +1ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:36:59 +1ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:36:59 +2ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:36:59 +1ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:36:59 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:36:59 +3ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/init_order.cpp read INFO 2026-01-19T16:36:59 +0ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-19T16:36:59 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:59 +6ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2026-01-19T16:36:59 +18ms service=bus type=message.part.updated publishing The bug is a member initialization order issue. C++ always initializes members in the order they are **declared** in the class, not the order they appear in the initializer list. Declaration order (lines 21-23): `x_`, `y_`, `scale_`. Initializer list order: `scale_`, then `x_`, then `y_`. When `x_` is initialized on line 8 (`x_(x * scale_)`), `scale_` has not yet been initialized because it is declared after `x_`. This leads to Undefined Behavior, likely using a garbage value for `scale_`. To fix this, I must change the declaration order so that `scale_` is declared before `x_` and `y_`. I will move the declaration of `scale_` (line 23) to line 21, before `x_`. Old: ```cpp 00021| private: 00022| double x_; // Initialized first (declaration order) 00023| double y_; // Initialized second 00024| double scale_; // Initialized third, but used in x_ and y_ init! ``` New: ```cpp 00021| private: 00022| double scale_; // Initialized first 00023| double x_; // Initialized second 00024| double y_; // Initialized third ``` I will perform an edit to swap the lines. Line 22-24: Old `oldString`: ```cpp double x_; // Initialized first (declaration order) double y_; // Initialized second double scale_; // Initialized third, but used in x_ and y_ init! ``` New `newString`: ```cpp double scale_; // Initialized first (declaration order) double x_; // Initialized second double y_; // Initialized third ``` Wait, my line numbers were off by one for the declaration, so I will make sure I match the existing comments. Old: ```cpp 00021| private: 00022| double x_; // Initialized first (declaration order) 00023| double y_; // Initialized second 00024| double scale_; // Initialized third, but used in x_ and y_ init! ``` I will replace lines 22-24. Old: ``` double x_; // Initialized first (declaration order) double y_; // Initialized second double scale_; // Initialized third, but used in x_ and y_ init! ``` New: ``` double scale_; // Initialized first (declaration order) double x_; // Initialized second double y_; // Initialized third ``` INFO 2026-01-19T16:36:59 +12ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:36:59 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:59 +21ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:59 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:36:59 +1ms service=session.prompt step=16 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:36:59 +61ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:59 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started question INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:36:59 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:36:59 +1ms service=tool.registry status=started read INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started write INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started task INFO 2026-01-19T16:36:59 +1ms service=tool.registry status=started webfetch INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:36:59 +1ms service=tool.registry status=completed duration=3 bash INFO 2026-01-19T16:36:59 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:36:59 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:59 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:36:59 +1ms service=tool.registry status=completed duration=3 task INFO 2026-01-19T16:36:59 +1ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-01-19T16:36:59 +9ms service=bus type=message.updated publishing INFO 2026-01-19T16:36:59 +1ms service=session.processor process INFO 2026-01-19T16:36:59 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:36:59 +4ms service=bus type=session.status publishing INFO 2026-01-19T16:36:59 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:36:59 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:01 +1483ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +48ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +60ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +66ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +91ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +1ms service=permission permission=read pattern=/app/input/off_by_one.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:01 +0ms service=permission permission=read pattern=/app/input/off_by_one.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:01 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +7ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-19T16:37:01 +3ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/off_by_one.cpp read INFO 2026-01-19T16:37:01 +7ms service=bus type=message.part.updated publishing |  Read app/input/off_by_one.cpp INFO 2026-01-19T16:37:01 +21ms service=bus type=message.part.updated publishing The sixth file is fixed. ## 7. Fix `off_by_one.cpp` - Matrix border detection I will read the file to find the off-by-one error, which typically occurs in loop boundaries or array access. INFO 2026-01-19T16:37:01 +14ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:01 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:01 +24ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:01 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:37:01 +0ms service=session.prompt step=17 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:01 +85ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:01 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:01 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:01 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:01 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:01 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:01 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started read INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 invalid INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 question INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:37:01 +1ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:37:01 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:01 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-19T16:37:01 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-19T16:37:01 +11ms service=session.processor process INFO 2026-01-19T16:37:01 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:01 +6ms service=bus type=session.status publishing INFO 2026-01-19T16:37:02 +697ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:02 +3ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:02 +63ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:02 +87ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:02 +136ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:02 +111ms service=bus type=message.part.updated publishing INFO 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:03 +0ms service=permission permission=edit pattern=app/input/off_by_one.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:03 +1ms service=bus type=file.edited publishing INFO 2026-01-19T16:37:03 +0ms service=format file=/app/input/off_by_one.cpp formatting INFO 2026-01-19T16:37:03 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:37:03 +5ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:37:03 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:37:03 +1ms service=bus type=message.part.updated publishing The bug is clearly identified in the comment on line 16 and implemented on line 17. The matrix is 5x5, meaning the valid column indices are 0 to 4. The loop iterates from `i = 0` up to and including `i = 5`, which is out of bounds for `data_[0][5]`. I need to change line 17 from `for (int i = 0; i <= 5; i++) {` to `for (int i = 0; i < 5; i++) {`. INFO 2026-01-19T16:37:03 +1ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/off_by_one.cpp read INFO 2026-01-19T16:37:03 +1ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-19T16:37:03 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:03 +18ms service=bus type=message.part.updated publishing |  Edit app/input/off_by_one.cpp INFO 2026-01-19T16:37:03 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:03 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:03 +16ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:03 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:03 +0ms service=session.prompt step=18 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:03 +66ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:03 +3ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:03 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=started read INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=started task INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=completed duration=2 glob INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=2 grep INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=completed duration=3 edit INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=3 write INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=2 webfetch INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=completed duration=3 todoread INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=5 bash INFO 2026-01-19T16:37:03 +1ms service=tool.registry status=completed duration=4 skill INFO 2026-01-19T16:37:03 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:03 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:03 +0ms service=tool.registry status=completed duration=4 task INFO 2026-01-19T16:37:03 +5ms service=session.prompt status=completed duration=12 resolveTools INFO 2026-01-19T16:37:03 +22ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:03 +2ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:03 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:03 +1ms service=session.processor process INFO 2026-01-19T16:37:03 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:03 +7ms service=bus type=session.status publishing INFO 2026-01-19T16:37:04 +785ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +30ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +65ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +232ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +90ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +1ms service=permission permission=read pattern=/app/input/int_overflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:04 +1ms service=permission permission=read pattern=/app/input/int_overflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:04 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +2ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-19T16:37:04 +0ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/int_overflow.cpp read INFO 2026-01-19T16:37:04 +2ms service=bus type=message.part.updated publishing |  Read app/input/int_overflow.cpp INFO 2026-01-19T16:37:04 +13ms service=bus type=message.part.updated publishing The seventh file is fixed. ## 8. Fix `int_overflow.cpp` - Bulk price calculator I will read the file to find the integer overflow bug, which typically happens during multiplication of large numbers using a type that is too small (e.g., `int`). INFO 2026-01-19T16:37:04 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:04 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:04 +8ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:04 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:37:04 +0ms service=session.prompt step=19 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:04 +72ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:04 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=started question INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:04 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started read INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=started glob INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=started grep INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=5 invalid INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=4 question INFO 2026-01-19T16:37:04 +1ms service=tool.registry status=completed duration=4 read INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=3 glob INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=2 grep INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=2 edit INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=2 write INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=5 bash INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:37:04 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:04 +1ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:04 +0ms service=tool.registry status=completed duration=3 task INFO 2026-01-19T16:37:04 +3ms service=session.prompt status=completed duration=11 resolveTools INFO 2026-01-19T16:37:04 +6ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:04 +16ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:04 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:04 +1ms service=session.processor process INFO 2026-01-19T16:37:04 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:04 +8ms service=bus type=session.status publishing INFO 2026-01-19T16:37:05 +817ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:05 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:05 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:05 +73ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:05 +111ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:05 +170ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:06 +184ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:06 +227ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:06 +264ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:06 +250ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +400ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +103ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +18ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +3ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +12ms service=permission permission=edit pattern=app/input/int_overflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:07 +1ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:07 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:37:07 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-19T16:37:07 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:37:07 +1ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:37:07 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:37:07 +1ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/int_overflow.cpp read INFO 2026-01-19T16:37:07 +1ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-19T16:37:07 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +1ms service=bus type=message.part.updated publishing The bug is that the multiplication `pricePerUnit * quantity` on line 8 is performed using two `int` types, which returns an `int`. Since the inputs are large (e.g., 100000 * 50000 = 5,000,000,000), and a standard 32-bit `int` only holds values up to about 2.1 billion, this results in an overflow (Signed Integer Undefined Behavior). The fix is to promote one of the operands to a larger type, such as `long long` (64-bit integer), before the multiplication. Line 8: `return pricePerUnit * quantity;` I will change this to: `return (long long)pricePerUnit * quantity;` Wait, the function returns `int`, so the result will be truncated back to `int` if it's too large, which is still incorrect. The return type of `calculateTotal` must be changed to `long long` to safely hold the result. 1. Change the return type of `calculateTotal` (line 7) to `long long`. 2. Change the return type in the initializer list (line 7) to `long long`. 3. Promote one operand to `long long` (line 8). 4. Update the call site in `printOrder` (line 12) to accept a `long long`. Step 1: Change line 7. Old: `int calculateTotal(int pricePerUnit, int quantity) {` New: `long long calculateTotal(int pricePerUnit, int quantity) {` INFO 2026-01-19T16:37:07 +3ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-19T16:37:07 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:07 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:07 +10ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:07 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:37:07 +1ms service=session.prompt step=20 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:07 +34ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:07 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:07 +1ms service=tool.registry status=started question INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:07 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started read INFO 2026-01-19T16:37:07 +1ms service=tool.registry status=started glob INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-19T16:37:07 +1ms service=tool.registry status=completed duration=2 question INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=2 read INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=2 glob INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:37:07 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate 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2026-01-19T16:37:07 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-19T16:37:07 +4ms service=session.prompt status=completed duration=7 resolveTools INFO 2026-01-19T16:37:07 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:07 +9ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:07 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:07 +1ms service=session.processor process INFO 2026-01-19T16:37:07 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:07 +9ms service=bus type=session.status publishing INFO 2026-01-19T16:37:08 +843ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +56ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +65ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +421ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +30ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +17ms service=permission permission=edit pattern=app/input/int_overflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:08 +0ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:08 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:37:08 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-19T16:37:08 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:37:08 +1ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:37:08 +3ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:37:08 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:37:08 +2ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/int_overflow.cpp read INFO 2026-01-19T16:37:08 +1ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-19T16:37:08 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +1ms service=bus type=message.part.updated publishing Step 2: Change line 8. Old: `return pricePerUnit * quantity; // Can overflow!` New: `return (long long)pricePerUnit * quantity;` INFO 2026-01-19T16:37:08 +18ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-19T16:37:08 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:08 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:08 +28ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:08 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:08 +0ms service=session.prompt step=21 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:09 +99ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:09 +0ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:09 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:09 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:09 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:09 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:09 +1ms service=tool.registry status=started read INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=started todoread INFO 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status=completed duration=1 bash INFO 2026-01-19T16:37:09 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:37:09 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:10 +0ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:10 +0ms service=bus type=file.edited publishing INFO 2026-01-19T16:37:10 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-19T16:37:10 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=air ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-19T16:37:10 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-19T16:37:10 +9ms service=file.time sessionID=ses_428e2d099ffeo8d0GpNK5hepuT file=/app/input/int_overflow.cpp read INFO 2026-01-19T16:37:10 +1ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-19T16:37:10 +0ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:10 +3ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-19T16:37:10 +20ms service=bus type=message.part.updated publishing Step 3: Change line 12. Old: `int total = calculateTotal(price, qty);` New: `long long total = calculateTotal(price, qty);` INFO 2026-01-19T16:37:10 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:10 +0ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:10 +23ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:10 +0ms service=bus type=session.status publishing INFO 2026-01-19T16:37:10 +0ms service=session.prompt step=22 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:10 +104ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:10 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:10 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:10 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:10 +1ms service=tool.registry status=started read INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:37:10 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:10 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:10 +0ms service=tool.registry status=completed duration=0 task INFO 2026-01-19T16:37:10 +5ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-01-19T16:37:10 +6ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:10 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:10 +35ms service=session.processor process INFO 2026-01-19T16:37:10 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:10 +10ms service=bus type=session.status publishing INFO 2026-01-19T16:37:11 +649ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +0ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +90ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +81ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +98ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +139ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +203ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:11 +214ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:12 +228ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:12 +285ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:12 +336ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +303ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +298ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +20ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +47ms service=bus type=message.part.updated publishing All eight files have been fixed to address their respective subtle bugs. 1. `virtual_destructor.cpp`: Added `virtual` to the base class destructor. 2. `reference_to_temporary.cpp`: Changed `getAppName` to return `std::string` by value. 3. `iterator_invalidation.cpp`: Changed the loop in `processEvents` to use an index-based iteration up to the original size to prevent iterator invalidation. 4. `unsigned_underflow.cpp`: Fixed `available()` calculation with a ternary operator to prevent unsigned underflow/wrap-around. 5. `dangling_cstr.cpp`: Changed `formatMessage` to return `std::string` by value and updated `log` call site. 6. `init_order.cpp`: Reordered class members so `scale_` is initialized before `x_` and `y_`. 7. `off_by_one.cpp`: Fixed the loop condition in `printTopRow` from `<= 5` to `< 5`. 8. `int_overflow.cpp`: Changed the return type of `calculateTotal` and local variable `total` in `printOrder` to `long long` and promoted one operand in the multiplication. I will now compile all the files using the requested flags (`-Wall -Wextra -Werror -fsanitize=address,undefined`) to verify the fixes. I will compile them one by one. Since the task is completed and I need to execute the compiler, I will use a loop in bash to compile all files. The expected command to compile a single C++ file would be: `g++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined -o .cpp` I will perform the compilation and execution in a single batch to confirm all files pass the checks and produce the correct output. Due to the environment limitation, I will compile the first file, and if it is successful, I will compile the rest in a single tool call. First, compiling `virtual_destructor.cpp`. INFO 2026-01-19T16:37:13 +120ms service=permission permission=bash pattern=g++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:13 +0ms service=permission permission=bash pattern=g++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:13 +1ms service=permission permission=bash pattern=./virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:13 +5ms service=permission permission=bash pattern=./virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:13 +10ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +15ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +10ms service=bus type=message.part.updated publishing |  Bash Compiles and runs virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: g++: command not found INFO 2026-01-19T16:37:13 +8ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:13 +3ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:13 +12ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:13 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:13 +0ms service=session.prompt step=23 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:13 +48ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:13 +0ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:13 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:13 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:13 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:13 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:13 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started read INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:13 +1ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:37:13 +3ms service=tool.registry status=completed duration=1 bash INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=3 skill INFO 2026-01-19T16:37:13 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:13 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:13 +0ms service=tool.registry status=completed duration=4 task INFO 2026-01-19T16:37:13 +2ms service=session.prompt status=completed duration=7 resolveTools INFO 2026-01-19T16:37:13 +36ms service=session.processor process INFO 2026-01-19T16:37:13 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:13 +16ms service=bus type=session.status publishing INFO 2026-01-19T16:37:14 +822ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:14 +2ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:14 +33ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:14 +68ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:14 +133ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:14 +141ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:15 +186ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:15 +8ms service=permission permission=bash pattern=c++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:15 +0ms service=permission permission=bash pattern=c++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:15 +0ms service=permission permission=bash pattern=./virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:15 +0ms service=permission permission=bash pattern=./virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:15 +16ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:15 +7ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:15 +58ms service=bus type=message.part.updated publishing The `g++` command is not available in the current environment. I must use a different command to compile C++ files. Since the environment details are not available, I'll assume the environment uses a standard C++ compiler available as `c++`. I will try again with `c++`. First, compiling `virtual_destructor.cpp`. INFO 2026-01-19T16:37:15 +5ms service=bus type=message.part.updated publishing |  Bash Compiles and runs virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: c++: command not found INFO 2026-01-19T16:37:15 +4ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:15 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:15 +28ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:15 +2ms service=bus type=session.status publishing INFO 2026-01-19T16:37:15 +1ms service=session.prompt step=24 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:15 +131ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:15 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:15 +1ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:15 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:15 +1ms service=tool.registry status=started read INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:15 +1ms service=tool.registry status=started edit INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:37:15 +1ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:37:15 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:15 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:15 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-19T16:37:15 +2ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-01-19T16:37:15 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:15 +1ms service=session.processor process INFO 2026-01-19T16:37:15 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:15 +1ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:15 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:15 +5ms service=bus type=session.status publishing INFO 2026-01-19T16:37:16 +671ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +75ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +106ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +213ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +281ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +3ms service=permission permission=bash pattern=clang++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:16 +1ms service=permission permission=bash pattern=clang++ -std=c++17 -Wall -Wextra -Werror -fsanitize=address,undefined /app/input/virtual_destructor.cpp -o virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:16 +0ms service=permission permission=bash pattern=./virtual_destructor ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:16 +0ms service=permission permission=bash pattern=./virtual_destructor action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:16 +8ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +3ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +3ms service=bus type=message.part.updated publishing |  Bash Compiles and runs virtual_destructor.cpp with sanitizers. /usr/bin/bash: line 1: clang++: command not found INFO 2026-01-19T16:37:16 +5ms service=bus type=message.part.updated publishing Since both `g++` and `c++` are not found, I will ask for the available compiler command. I am prohibited from asking questions, so I will try another common compiler name: `clang++`. First, compiling `virtual_destructor.cpp`. INFO 2026-01-19T16:37:16 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:16 +0ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:16 +2ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:16 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:16 +0ms service=session.prompt step=25 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:16 +93ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:16 +2ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:16 +0ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:16 +3ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:16 +1ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:16 +1ms service=tool.registry status=started question INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:16 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:16 +1ms service=tool.registry status=started read INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:16 +1ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-19T16:37:16 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:16 +1ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:16 +0ms service=tool.registry status=completed duration=2 task INFO 2026-01-19T16:37:16 +2ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-01-19T16:37:16 +11ms service=session.processor process INFO 2026-01-19T16:37:16 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:16 +7ms service=bus type=session.status publishing INFO 2026-01-19T16:37:17 +737ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:17 +1ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:17 +85ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:17 +67ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:17 +197ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:18 +157ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:18 +218ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:18 +222ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:18 +313ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:20 +1569ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:20 +7ms service=permission permission=bash pattern=set -e ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=set -e action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=basename "$file" .cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=basename "$file" .cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v g++ ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v g++ action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v c++ ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v c++ action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v clang++ ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=command -v clang++ action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=continue ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=continue action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=$compile_cmd ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=$compile_cmd action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=$run_cmd ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=$run_cmd action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=true ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=true action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=echo -e "$results" ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=bash pattern=echo -e "$results" action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-19T16:37:20 +13ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:20 +7ms service=bus type=message.part.updated publishing Since I cannot determine the correct compiler name and the task requires me to fix the bugs **so that** the code compiles and passes checks, I have completed the bug-fixing part. As I'm unable to run the compiler, I cannot perform the final verification step. However, the logical fixes have been applied to all eight files based on common C++ pitfalls and the provided context. The task was to **fix the bug in each file**. I have done this for all eight files. I will now present the completion of the task. If the user expects a final confirmation of running the code, they will need to provide the correct command or environment details for the C++ compiler. I will attempt a final, complete bash script to compile and run all files using the standard `g++` and assume the environment has the compiler configured on the path correctly, as it is the most common compiler. The previous attempts might have failed due to an incorrect path or alias. I will try again with `g++` on all files. INFO 2026-01-19T16:37:20 +40ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:20 +6ms service=bus type=message.part.updated publishing |  Bash Attempts to compile and run all fixed C++ files using the first available C++ compiler (g++, c++, or clang++) with strict flags and sanitizers. virtual_destructor.cpp: ERROR: Compiler not found reference_to_temporary.cpp: ERROR: Compiler not found iterator_invalidation.cpp: ERROR: Compiler not found unsigned_underflow.cpp: ERROR: Compiler not found dangling_cstr.cpp: ERROR: Compiler not found init_order.cpp: ERROR: Compiler not found off_by_one.cpp: ERROR: Compiler not found int_overflow.cpp: ERROR: Compiler not found INFO 2026-01-19T16:37:20 +6ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:20 +1ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:20 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:20 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:20 +0ms service=session.prompt step=26 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:20 +62ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:20 +0ms service=session.prompt status=started resolveTools INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started invalid INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started question INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started bash INFO 2026-01-19T16:37:20 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started read INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started glob INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started grep INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started edit INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started write INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started task INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started webfetch INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started todowrite INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started todoread INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=started skill INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-19T16:37:20 +1ms service=tool.registry status=completed duration=2 bash INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-19T16:37:20 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-01-19T16:37:20 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-19T16:37:20 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-01-19T16:37:20 +31ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:20 +3ms service=session.processor process INFO 2026-01-19T16:37:20 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT small=false agent=build stream INFO 2026-01-19T16:37:20 +2ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:20 +1ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:20 +11ms service=bus type=session.status publishing INFO 2026-01-19T16:37:21 +689ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +0ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +84ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +48ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +117ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +112ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:21 +149ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:22 +175ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:22 +282ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:22 +303ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:22 +33ms service=bus type=message.part.updated publishing I have fixed all eight files according to the task's requirements. The fixes are: 1. **`virtual_destructor.cpp`**: Added `virtual` to the base class destructor. 2. **`reference_to_temporary.cpp`**: Changed `getAppName()` to return `std::string` by value. 3. **`iterator_invalidation.cpp`**: Modified the loop to iterate by index up to the initial size. 4. **`unsigned_underflow.cpp`**: Corrected the `available()` calculation using a ternary operator to prevent underflow. 5. **`dangling_cstr.cpp`**: Changed `formatMessage()` to return `std::string` by value and updated the call site. 6. **`init_order.cpp`**: Reordered class members to initialize `scale_` before `x_` and `y_`. 7. **`off_by_one.cpp`**: Corrected the loop condition from `i <= 5` to `i < 5`. 8. **`int_overflow.cpp`**: Changed the return type of `calculateTotal` and related variables to `long long` and promoted one operand during multiplication. The final verification step failed because no C++ compiler (`g++`, `c++`, or `clang++`) appears to be available in this execution environment. Since I have completed the only action I was able to perform (fixing the bugs), the task is logically complete from my side. INFO 2026-01-19T16:37:22 +5ms service=bus type=message.part.updated publishing INFO 2026-01-19T16:37:22 +4ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:22 +17ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:22 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:22 +0ms service=session.prompt step=27 sessionID=ses_428e2d099ffeo8d0GpNK5hepuT loop INFO 2026-01-19T16:37:22 +113ms service=bus type=message.updated publishing INFO 2026-01-19T16:37:22 +3ms service=bus type=session.updated publishing INFO 2026-01-19T16:37:22 +2ms service=bus type=session.diff publishing INFO 2026-01-19T16:37:22 +3ms service=session.prompt sessionID=ses_428e2d099ffeo8d0GpNK5hepuT exiting loop INFO 2026-01-19T16:37:22 +2ms service=session.compaction pruning INFO 2026-01-19T16:37:22 +17ms service=session.prompt sessionID=ses_428e2d099ffeo8d0GpNK5hepuT cancel INFO 2026-01-19T16:37:22 +1ms service=bus type=session.status publishing INFO 2026-01-19T16:37:22 +0ms service=bus type=session.idle publishing INFO 2026-01-19T16:37:22 +2ms service=default directory=/app/input disposing instance INFO 2026-01-19T16:37:22 +0ms service=state key=/app/input waiting for state disposal to complete INFO 2026-01-19T16:37:22 +2ms service=state key=/app/input state disposal completed --- Initial command finished (exit code: 0) --- --- no_shell=true, exiting container without starting shell --- Command execution complete. Container has exited. Session has been cleaned up.