/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_20260113_150130/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: c459e80e 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 149 models to OpenCode configuration Added openrouter standard provider with 348 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 2026-01-13T16:41:52 +661ms service=default version=1.1.17 args=["run","--print-logs"] opencode INFO 2026-01-13T16:41:52 +2ms service=default directory=/app/input creating instance INFO 2026-01-13T16:41:52 +1ms service=project directory=/app/input fromDirectory INFO 2026-01-13T16:41:52 +16ms service=storage index=0 running migration ERROR 2026-01-13T16:41:52 +8ms service=storage index=0 failed to run migration INFO 2026-01-13T16:41:52 +3ms service=storage index=1 running migration INFO 2026-01-13T16:41:52 +11ms service=default directory=/app/input bootstrapping INFO 2026-01-13T16:41:52 +11ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2026-01-13T16:41:52 +84ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2026-01-13T16:41:52 +10ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2026-01-13T16:41:52 +4ms 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 2026-01-13T16:41:52 +553ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed @opencode-ai/plugin@1.1.17 3 packages installed [534.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2026-01-13T16:41:52 +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 2026-01-13T16:41:52 +13ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd) Checked 3 installs across 4 packages (no changes) [3.00ms] stderr= done INFO 2026-01-13T16:41:52 +15ms service=plugin name=CodexAuthPlugin loading internal plugin INFO 2026-01-13T16:41:52 +1ms service=plugin path=opencode-copilot-auth@0.0.12 loading plugin INFO 2026-01-13T16:41:52 +1ms service=bun pkg=opencode-copilot-auth version=0.0.12 installing package using Bun's default registry resolution INFO 2026-01-13T16:41:52 +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 2026-01-13T16:41:53 +117ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed opencode-copilot-auth@0.0.12 1 package installed [103.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [4] Saved lockfile done INFO 2026-01-13T16:41:53 +7ms service=plugin path=opencode-anthropic-auth@0.0.8 loading plugin INFO 2026-01-13T16:41:53 +4ms service=bun pkg=opencode-anthropic-auth version=0.0.8 installing package using Bun's default registry resolution INFO 2026-01-13T16:41:53 +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 2026-01-13T16:41:53 +643ms 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 [632.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2026-01-13T16:41:53 +78ms service=bus type=* subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=session.updated subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=message.updated subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=message.part.updated subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=session.updated subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=message.updated subscribing INFO 2026-01-13T16:41:53 +2ms service=bus type=message.part.updated subscribing INFO 2026-01-13T16:41:53 +0ms service=bus type=session.diff subscribing INFO 2026-01-13T16:41:53 +1ms service=format init INFO 2026-01-13T16:41:53 +0ms service=bus type=file.edited subscribing INFO 2026-01-13T16:41:53 +2ms 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 2026-01-13T16:41:53 +8ms service=bus type=command.executed subscribing INFO 2026-01-13T16:41:53 +70ms service=server method=POST path=/session request INFO 2026-01-13T16:41:53 +0ms service=server status=started method=POST path=/session request INFO 2026-01-13T16:41:53 +3ms service=session id=ses_447c3c42effe4Y0GsCTxDnNPF0 version=1.1.17 projectID=global directory=/app/input title=New session - 2026-01-13T16:41:53.873Z time={"created":1768322513873,"updated":1768322513873} created INFO 2026-01-13T16:41:53 +9ms service=bus type=session.created publishing INFO 2026-01-13T16:41:53 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:53 +8ms service=server status=completed duration=21 method=POST path=/session request INFO 2026-01-13T16:41:53 +1ms service=server method=GET path=/config request INFO 2026-01-13T16:41:53 +0ms service=server status=started method=GET path=/config request INFO 2026-01-13T16:41:53 +3ms service=server status=completed duration=3 method=GET path=/config request INFO 2026-01-13T16:41:53 +11ms service=server method=GET path=/event request INFO 2026-01-13T16:41:53 +0ms service=server status=started method=GET path=/event request INFO 2026-01-13T16:41:53 +3ms service=server method=POST path=/session/ses_447c3c42effe4Y0GsCTxDnNPF0/message request INFO 2026-01-13T16:41:53 +0ms service=server status=started method=POST path=/session/ses_447c3c42effe4Y0GsCTxDnNPF0/message request INFO 2026-01-13T16:41:53 +1ms service=server event connected INFO 2026-01-13T16:41:53 +4ms service=bus type=* subscribing INFO 2026-01-13T16:41:53 +10ms service=server status=completed duration=17 method=GET path=/event request INFO 2026-01-13T16:41:53 +1ms service=server status=completed duration=16 method=POST path=/session/ses_447c3c42effe4Y0GsCTxDnNPF0/message request INFO 2026-01-13T16:41:53 +20ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:53 +5ms service=provider status=started state INFO 2026-01-13T16:41:53 +5ms service=models.dev file={} refreshing INFO 2026-01-13T16:41:53 +34ms service=provider init INFO 2026-01-13T16:41:54 +24ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:54 +7ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:54 +17ms service=bus type=session.status publishing INFO 2026-01-13T16:41:54 +0ms service=session.prompt step=0 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:41:54 +12ms service=provider providerID=openrouter found INFO 2026-01-13T16:41:54 +0ms service=provider providerID=opencode found INFO 2026-01-13T16:41:54 +0ms service=provider providerID=litellm found INFO 2026-01-13T16:41:54 +0ms service=provider status=completed duration=99 state INFO 2026-01-13T16:41:54 +6ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:54 +1ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-13T16:41:54 +0ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider INFO 2026-01-13T16:41:54 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK INFO 2026-01-13T16:41:54 +4ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:54 +4ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:41:54 +33ms service=tool.registry status=started invalid INFO 2026-01-13T16:41:54 +2ms service=tool.registry status=started question INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:41:54 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started read INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started write INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started task INFO 2026-01-13T16:41:54 +2ms service=tool.registry status=started webfetch INFO 2026-01-13T16:41:54 +1ms service=tool.registry status=started todowrite INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:41:54 +1ms service=tool.registry status=started skill INFO 2026-01-13T16:41:54 +3ms service=tool.registry status=completed duration=10 invalid INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=8 question INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=7 read INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=7 glob INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=7 grep INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=7 edit INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=7 write INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=5 webfetch INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=4 todowrite INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=4 todoread INFO 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=8 bash INFO 2026-01-13T16:41:54 +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 2026-01-13T16:41:54 +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 2026-01-13T16:41:54 +0ms service=tool.registry status=completed duration=10 task INFO 2026-01-13T16:41:54 +13ms service=tool.registry status=completed duration=19 skill INFO 2026-01-13T16:41:54 +22ms service=session.prompt status=completed duration=81 resolveTools INFO 2026-01-13T16:41:54 +12ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:54 +2ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:54 +0ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:54 +4ms service=bus type=session.diff publishing INFO 2026-01-13T16:41:54 +4ms service=session.processor process INFO 2026-01-13T16:41:54 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:41:54 +0ms service=provider status=started providerID=openrouter getSDK INFO 2026-01-13T16:41:54 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2026-01-13T16:41:54 +12ms service=bus type=session.status publishing INFO 2026-01-13T16:41:54 +685ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:54 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:54 +45ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:54 +57ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +177ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +103ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +139ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +15ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +26ms service=bus type=message.part.updated publishing I understand the task. I need to fix a subtle bug in each of the eight provided C++ files to ensure they compile without warnings, pass sanitizer checks, and produce the correct output. I will work on each file independently and modify them in place. I will start by listing the files to confirm their presence and then read the content of each file one by one to identify and fix the bug. First, let's confirm the files are present in the current working directory. INFO 2026-01-13T16:41:55 +38ms service=permission permission=bash pattern=ls *.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 2026-01-13T16:41:55 +0ms service=permission permission=bash pattern=ls *.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:41:55 +12ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +8ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +10ms service=bus type=message.part.updated publishing |  Bash List all C++ files in the current directory dangling_cstr.cpp init_order.cpp int_overflow.cpp iterator_invalidation.cpp off_by_one.cpp reference_to_temporary.cpp unsigned_underflow.cpp virtual_destructor.cpp INFO 2026-01-13T16:41:55 +9ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:55 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:55 +11ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:55 +2ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:55 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:55 +3ms service=bus type=session.diff publishing INFO 2026-01-13T16:41:55 +13ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:55 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:41:55 +0ms service=session.prompt step=1 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:41:55 +54ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:55 +3ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:41:55 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started question INFO 2026-01-13T16:41:55 +1ms service=tool.registry status=started bash INFO 2026-01-13T16:41:55 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started read INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started write INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started task INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:41:55 +1ms service=tool.registry status=started todoread INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-13T16:41:55 +5ms service=tool.registry status=completed duration=5 skill INFO 2026-01-13T16:41:55 +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 2026-01-13T16:41:55 +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 2026-01-13T16:41:55 +0ms service=tool.registry status=completed duration=7 task INFO 2026-01-13T16:41:55 +23ms service=session.prompt status=completed duration=32 resolveTools INFO 2026-01-13T16:41:55 +35ms service=session.processor process INFO 2026-01-13T16:41:55 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:41:55 +25ms service=bus type=session.status publishing INFO 2026-01-13T16:41:56 +631ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +104ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +116ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +108ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +106ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +95ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +64ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +1ms 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 2026-01-13T16:41:56 +2ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:41:56 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +5ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-01-13T16:41:56 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/virtual_destructor.cpp read INFO 2026-01-13T16:41:56 +7ms service=bus type=message.part.updated publishing |  Read app/input/virtual_destructor.cpp INFO 2026-01-13T16:41:56 +6ms service=bus type=message.part.updated publishing I have confirmed the list of files. I will proceed with reading and fixing them in the order they were provided in the prompt. 1. `virtual_destructor.cpp` 2. `reference_to_temporary.cpp` 3. `iterator_invalidation.cpp` 4. `unsigned_underflow.cpp` 5. `dangling_cstr.cpp` 6. `init_order.cpp` 7. `off_by_one.cpp` 8. `int_overflow.cpp` Starting with `virtual_destructor.cpp`. INFO 2026-01-13T16:41:56 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:56 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:56 +4ms service=lsp.server downloading clangd from GitHub releases INFO 2026-01-13T16:41:56 +10ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:56 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:41:56 +1ms service=session.prompt step=2 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:41:56 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:56 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:56 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:56 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:41:56 +14ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:56 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:41:56 +2ms service=tool.registry status=started invalid INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=started question INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:41:56 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=started read INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=started grep INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started write INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=started task INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=started todowrite INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=completed duration=7 invalid INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=6 question INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=4 read INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=completed duration=5 glob INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=4 grep INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=4 edit INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=completed duration=5 write INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=4 webfetch INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=3 todowrite INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=3 todoread INFO 2026-01-13T16:41:56 +1ms service=tool.registry status=completed duration=9 bash INFO 2026-01-13T16:41:56 +0ms service=tool.registry status=completed duration=4 skill INFO 2026-01-13T16:41:56 +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 2026-01-13T16:41:56 +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 2026-01-13T16:41:56 +3ms service=tool.registry status=completed duration=9 task INFO 2026-01-13T16:41:57 +7ms service=session.prompt status=completed duration=23 resolveTools INFO 2026-01-13T16:41:57 +9ms service=session.processor process INFO 2026-01-13T16:41:57 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:41:57 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:41:57 +665ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:57 +5ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:57 +33ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:57 +187ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:57 +34ms service=bus type=message.part.updated publishing ERROR 2026-01-13T16:41:58 +167ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive INFO 2026-01-13T16:41:58 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +130ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +58ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +167ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +30ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +8ms 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 2026-01-13T16:41:58 +0ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:41:58 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:41:58 +1ms service=format file=/app/input/virtual_destructor.cpp formatting INFO 2026-01-13T16:41:58 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:41:58 +2ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:41:58 +8ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:41:58 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:41:58 +8ms service=bus type=message.part.updated publishing The bug in `virtual_destructor.cpp` is a classic case of a missing `virtual` destructor in the base class `Plugin`. When `delete p` is called on line 52, the static type of `p` is `Plugin*`. If the base class destructor is not virtual, only the base class destructor (`Plugin::~Plugin()`) is called, leading to a memory leak because the derived class destructor (`ImagePlugin::~ImagePlugin()`) which deletes `imageData_` is skipped. The fix is to change `~Plugin()` to `virtual ~Plugin()` on line 12. ```cpp 00012| ~Plugin() { // BUG: Missing virtual ``` Change to: ```cpp 00012| virtual ~Plugin() { ``` INFO 2026-01-13T16:41:58 +4ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/virtual_destructor.cpp read INFO 2026-01-13T16:41:58 +1ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-01-13T16:41:58 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +12ms service=bus type=message.part.updated publishing |  Edit app/input/virtual_destructor.cpp INFO 2026-01-13T16:41:58 +4ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:58 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:58 +7ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:58 +2ms service=bus type=session.status publishing INFO 2026-01-13T16:41:58 +0ms service=session.prompt step=3 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:41:58 +22ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:58 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:58 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:58 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:41:58 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started question INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:41:58 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started read INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started write INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started task INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 invalid INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 question INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-13T16:41:58 +0ms service=tool.registry status=completed duration=0 bash INFO 2026-01-13T16:41:58 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:41:58 +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 2026-01-13T16:41:58 +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 2026-01-13T16:41:58 +1ms service=tool.registry status=completed duration=2 task INFO 2026-01-13T16:41:58 +1ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-13T16:41:58 +3ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:58 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:41:58 +20ms service=session.processor process INFO 2026-01-13T16:41:58 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:41:58 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:41:59 +748ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +12ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +108ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +0ms 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 2026-01-13T16:41:59 +0ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:41:59 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +0ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-13T16:41:59 +0ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/reference_to_temporary.cpp read INFO 2026-01-13T16:41:59 +6ms service=bus type=message.part.updated publishing |  Read app/input/reference_to_temporary.cpp INFO 2026-01-13T16:41:59 +22ms service=bus type=message.part.updated publishing Next, I will work on `reference_to_temporary.cpp`. INFO 2026-01-13T16:41:59 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:41:59 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:59 +13ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:59 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:41:59 +0ms service=session.prompt step=4 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:41:59 +40ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:59 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=true agent=title stream INFO 2026-01-13T16:41:59 +0ms service=bus type=session.updated publishing INFO 2026-01-13T16:41:59 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:41:59 +5ms service=bus type=message.updated publishing INFO 2026-01-13T16:41:59 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started question INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:41:59 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:41:59 +1ms service=tool.registry status=started read INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:41:59 +3ms service=tool.registry status=started edit INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started write INFO 2026-01-13T16:41:59 +1ms service=tool.registry status=started task INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:41:59 +1ms service=tool.registry status=completed duration=6 invalid INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=6 question INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=5 read INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=5 glob INFO 2026-01-13T16:41:59 +1ms service=tool.registry status=completed duration=6 grep INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=3 edit INFO 2026-01-13T16:41:59 +1ms service=tool.registry status=completed duration=4 write INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=3 webfetch INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=3 todowrite INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=3 todoread INFO 2026-01-13T16:41:59 +0ms service=tool.registry status=completed duration=8 bash 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":"*","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 2026-01-13T16:41:59 +1ms service=tool.registry status=completed duration=5 task INFO 2026-01-13T16:41:59 +3ms service=session.prompt status=completed duration=13 resolveTools INFO 2026-01-13T16:41:59 +16ms service=session.processor process INFO 2026-01-13T16:41:59 +2ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:41:59 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:42:00 +555ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:00 +64ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +61ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +41ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +130ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +120ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:00 +245ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:01 +211ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:01 +230ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:01 +61ms service=session.summary title=Fixing subtle C++ bugs title INFO 2026-01-13T16:42:01 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:01 +229ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:01 +245ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +192ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +268ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +248ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +264ms service=session.summary title=Debugging C++ subtle bugs title INFO 2026-01-13T16:42:02 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:02 +4ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +147ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:02 +16ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +204ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +3ms 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 2026-01-13T16:42:03 +0ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:03 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:03 +1ms service=format file=/app/input/reference_to_temporary.cpp formatting INFO 2026-01-13T16:42:03 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:03 +1ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:03 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:03 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/reference_to_temporary.cpp read INFO 2026-01-13T16:42:03 +1ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-01-13T16:42:03 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +8ms service=bus type=message.part.updated publishing The bug in `reference_to_temporary.cpp` is a dangling reference on line 20. The function `Config::getAppName()` on line 8 returns a `const std::string&` (a reference) to a temporary `std::string` created on line 9 (`std::string("MyApplication")`). This temporary object is destroyed immediately after the full expression on line 9 is evaluated, leaving the reference `appName` on line 20 dangling. Accessing it later (e.g., line 23) leads to Undefined Behavior (though sometimes it "works" due to implementation details). In C++, a temporary bound to a `const` reference has its lifetime extended to the lifetime of the reference. However, the temporary returned by line 9 is destroyed immediately after line 9 is executed, **before** the reference `appName` on line 20 is bound. The fix is to change the function signature to return a `std::string` by value, ensuring a copy is made and the temporary's lifetime is managed correctly. Change line 8: ```cpp 00008| const std::string& getAppName() { ``` To: ```cpp 00008| std::string getAppName() { ``` And remove the `const` from the return type since we are returning by value. In fact, if we return by value, the line 20 `const std::string& appName = config.getAppName();` will extend the lifetime of the temporary created by the return value, but it's more idiomatic to just return by value and not return a reference to a temporary. However, since `getAppName()` is returning a reference to a temporary, changing the return type to `std::string` by value is the correct fix to prevent the dangling reference. Change line 8: ```cpp 00008| const std::string& getAppName() { ``` To: ```cpp 00008| std::string getAppName() { ``` And line 20 should also be changed to: ```cpp 00020| std::string appName = config.getAppName(); // No more dangling reference ``` But since the task is to fix the bug in the file, and the problem lies in the function returning a reference to a temporary, I will only change the function signature. If I change the return type to `std::string` on line 8, then on line 20, the temporary returned by the function is bound to a const reference, extending its lifetime. This is a common and valid C++ technique. Let's check the code: ```cpp 00020| const std::string& appName = config.getAppName(); // Dangling reference! ``` If `getAppName` returns by value, the temporary return value is then bound to `appName`, extending its lifetime until the end of `main`. So, the fix is to change the return type on line 8 to `std::string` by value. ```cpp 00008| const std::string& getAppName() { ``` Change to: ```cpp 00008| std::string getAppName() { ``` INFO 2026-01-13T16:42:03 +3ms service=bus type=message.part.updated publishing |  Edit app/input/reference_to_temporary.cpp INFO 2026-01-13T16:42:03 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:03 +4ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:03 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:03 +1ms service=session.prompt step=5 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:03 +23ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:03 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:03 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:03 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:03 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:03 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:03 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:03 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=started todowrite INFO 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duration=0 todoread INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:03 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-13T16:42:03 +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 2026-01-13T16:42:03 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:03 +1ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-01-13T16:42:03 +9ms service=session.processor process INFO 2026-01-13T16:42:03 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:03 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:42:03 +590ms service=session.summary title=C++ bug hunt: fix subtle errors title INFO 2026-01-13T16:42:03 +0ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:03 +57ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:03 +26ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +106ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +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 2026-01-13T16:42:04 +1ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:04 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +3ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-13T16:42:04 +0ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/iterator_invalidation.cpp read INFO 2026-01-13T16:42:04 +1ms service=bus type=message.part.updated publishing |  Read app/input/iterator_invalidation.cpp INFO 2026-01-13T16:42:04 +20ms service=bus type=message.part.updated publishing Next, I will work on `iterator_invalidation.cpp`. INFO 2026-01-13T16:42:04 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:04 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:04 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:04 +1ms service=session.prompt step=6 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:04 +11ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:04 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:04 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:04 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:04 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:04 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:04 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:04 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:04 +1ms service=tool.registry status=started write INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-13T16:42:04 +1ms service=tool.registry status=completed duration=2 read INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 glob INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 grep INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 edit INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-01-13T16:42:04 +1ms service=tool.registry status=completed duration=2 skill INFO 2026-01-13T16:42:04 +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 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2026-01-13T16:42:04 +0ms service=tool.registry status=completed duration=2 task INFO 2026-01-13T16:42:04 +3ms service=session.prompt status=completed duration=8 resolveTools INFO 2026-01-13T16:42:04 +59ms service=session.processor process INFO 2026-01-13T16:42:04 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:04 +14ms service=bus type=session.status publishing INFO 2026-01-13T16:42:04 +603ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +68ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +45ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +71ms service=session.summary title=C++ subtle bug fixes title INFO 2026-01-13T16:42:04 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:04 +43ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:04 +1ms service=session.summary title=Fix C++ subtle bugs title INFO 2026-01-13T16:42:04 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:05 +232ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:05 +229ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:05 +215ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:06 +351ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:06 +367ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:06 +315ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:06 +282ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:07 +165ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:07 +176ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:07 +178ms 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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 2026-01-13T16:42:09 +0ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:09 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:09 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-01-13T16:42:09 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:09 +1ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:09 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:09 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/iterator_invalidation.cpp read INFO 2026-01-13T16:42:09 +1ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-13T16:42:09 +5ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:09 +3ms service=bus type=message.part.updated publishing The bug in `iterator_invalidation.cpp` is iterator invalidation during a `std::vector` iteration. On line 21, `events_.push_back("log_analytics")` is called while iterating over `events_` (lines 16-23). Since `std::vector::push_back` might reallocate the underlying array, any operation that modifies the vector's size can invalidate all iterators and pointers to elements, including the `it` iterator and the `events_.end()` end-iterator. The immediate fix is to change the container from `std::vector` to one that doesn't invalidate iterators upon element insertion, like `std::list` (doubly linked list) or `std::deque`. However, since `std::list` is not a very common container, and it is usually more performant to keep the container the same, I will use a different approach. Another fix, specific to this case where elements are only added at the end, is to iterate with indices instead of iterators, and be careful with the loop bounds. However, a much simpler fix that respects the vector iteration structure is to avoid the modification during iteration. In this specific scenario, since `push_back` only invalidates iterators if a reallocation occurs, and only invalidates the `end()` iterator if no reallocation occurs, the loop structure is dangerous. The simplest fix is to defer the additions until after the iteration is complete, or, if the added events *must* be processed in the current loop, to use a structure that supports it. Since the problem is subtle, using a structure that avoids iterator invalidation is the most robust fix. I will use indices, and since the loop logic is simple, I will modify the loop to handle the growth of the vector. The existing loop iterates from `begin()` to `end()`, and `end()` changes if the vector grows. If I use `std::vector::size_type i = 0; i < events_.size(); ++i`, the `events_.size()` will be re-evaluated on each iteration, which should handle the growth. Change lines 16-23: ```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| } ``` To: ```cpp 00016| for (size_t i = 0; i < events_.size(); ++i) { 00017| std::cout << "Event: " << events_[i] << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (events_[i] == "user_login") { 00021| events_.push_back("log_analytics"); 00022| } 00023| } ``` Wait, `events_.size()` is evaluated once at the beginning of the `for` loop if it's a range-based for loop. Here it is a classic for loop, and `events_.size()` is called at the beginning of each iteration to check the loop condition. This should work. I need to make sure I use `std::vector::size_type` (which is aliased as `size_t` from `` or the included ``) for the loop counter to avoid warnings about signed/unsigned comparisons or potential overflow if the size is very large (though unlikely here). Since I'm using `size_t`, which is standard, it should be fine. I will perform the edit. I also need to change `events_.begin()`, `events_.end()`, and dereferencing the iterator. Let's change line 16, 17, and 20. First, I'll change the loop condition and iteration variable on line 16. ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { ``` to ```cpp 00016| for (size_t i = 0; i < events_.size(); ++i) { ``` Then I'll change the use of the iterator to array access on line 17 and 20. ```cpp 00017| std::cout << "Event: " << *it << std::endl; ``` to ```cpp 00017| std::cout << "Event: " << events_[i] << std::endl; ``` ```cpp 00020| if (*it == "user_login") { ``` to ```cpp 00020| if (events_[i] == "user_login") { ``` INFO 2026-01-13T16:42:09 +9ms service=bus type=message.part.updated publishing |  Edit app/input/iterator_invalidation.cpp INFO 2026-01-13T16:42:09 +7ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:09 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:09 +9ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:09 +4ms service=bus type=session.status publishing INFO 2026-01-13T16:42:09 +0ms service=session.prompt step=7 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:09 +41ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:09 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:09 +3ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:09 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:09 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:09 +2ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:09 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=started grep INFO 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status=completed duration=1 edit INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-13T16:42:09 +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 2026-01-13T16:42:09 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:09 +2ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-01-13T16:42:09 +3ms service=session.processor process INFO 2026-01-13T16:42:09 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:09 +8ms service=bus type=session.status publishing INFO 2026-01-13T16:42:10 +701ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +6ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +49ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +186ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +14ms 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 2026-01-13T16:42:10 +1ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:10 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:10 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-01-13T16:42:10 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:10 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:10 +4ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/iterator_invalidation.cpp read INFO 2026-01-13T16:42:10 +1ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-13T16:42:10 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +1ms service=bus type=message.part.updated publishing Now, I will apply the second and third edits to `iterator_invalidation.cpp`. INFO 2026-01-13T16:42:10 +6ms service=bus type=message.part.updated publishing |  Edit app/input/iterator_invalidation.cpp INFO 2026-01-13T16:42:10 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:10 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:10 +4ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:10 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:10 +1ms service=session.prompt step=8 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:10 +42ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:10 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:10 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:10 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:10 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:10 +1ms service=tool.registry status=started invalid INFO 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service=tool.registry status=completed duration=1 invalid INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-13T16:42:10 +1ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:10 +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 2026-01-13T16:42:10 +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 2026-01-13T16:42:10 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:10 +8ms service=session.prompt status=completed duration=11 resolveTools INFO 2026-01-13T16:42:10 +11ms service=session.processor process INFO 2026-01-13T16:42:10 +2ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:10 +6ms service=bus type=session.status publishing INFO 2026-01-13T16:42:11 +818ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:11 +4ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:11 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:11 +6ms 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 2026-01-13T16:42:11 +0ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:11 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:11 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-01-13T16:42:11 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:11 +5ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:11 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:11 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/iterator_invalidation.cpp read INFO 2026-01-13T16:42:11 +3ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-01-13T16:42:11 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:11 +13ms service=bus type=message.part.updated publishing |  Edit app/input/iterator_invalidation.cpp INFO 2026-01-13T16:42:11 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:11 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:11 +5ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:11 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:11 +1ms service=session.prompt step=9 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:11 +28ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:11 +3ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:11 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:11 +24ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:11 +6ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:11 +2ms service=tool.registry status=started question INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:11 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=started edit INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=3 invalid INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=completed duration=2 question INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=2 read INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=2 glob INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=2 grep INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=completed duration=2 edit INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=completed duration=3 write INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=3 webfetch INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=3 todowrite INFO 2026-01-13T16:42:11 +1ms service=tool.registry status=completed duration=4 todoread INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=5 bash INFO 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=4 skill INFO 2026-01-13T16:42:11 +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 2026-01-13T16:42:11 +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 2026-01-13T16:42:11 +0ms service=tool.registry status=completed duration=4 task INFO 2026-01-13T16:42:11 +2ms service=session.prompt status=completed duration=10 resolveTools INFO 2026-01-13T16:42:11 +25ms service=session.processor process INFO 2026-01-13T16:42:11 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:11 +5ms service=bus type=session.status publishing INFO 2026-01-13T16:42:12 +708ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +14ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +45ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +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 2026-01-13T16:42:12 +0ms service=permission permission=read pattern=/app/input/unsigned_underflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:12 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +3ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-01-13T16:42:12 +2ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/unsigned_underflow.cpp read INFO 2026-01-13T16:42:12 +7ms service=bus type=message.part.updated publishing |  Read app/input/unsigned_underflow.cpp INFO 2026-01-13T16:42:12 +2ms service=bus type=message.part.updated publishing Next, I will work on `unsigned_underflow.cpp`. INFO 2026-01-13T16:42:12 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:12 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:12 +0ms service=session.prompt step=10 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:12 +24ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:12 +4ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:12 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:12 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=0 invalid INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=0 question INFO 2026-01-13T16:42:12 +1ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:12 +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 2026-01-13T16:42:12 +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 2026-01-13T16:42:12 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:12 +1ms service=session.prompt status=completed duration=2 resolveTools INFO 2026-01-13T16:42:12 +1ms service=session.processor process INFO 2026-01-13T16:42:12 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:12 +3ms service=bus type=session.status publishing INFO 2026-01-13T16:42:12 +588ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:12 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +67ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +78ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +105ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +135ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +297ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:13 +188ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:14 +340ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:14 +269ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:14 +365ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:15 +317ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:15 +282ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:15 +236ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:15 +301ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:16 +251ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:16 +264ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:16 +217ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:16 +296ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:17 +244ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:17 +276ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:17 +329ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:18 +194ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:18 +286ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:18 +265ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:18 +307ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:19 +329ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:19 +301ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:19 +284ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:20 +264ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:20 +308ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:20 +300ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:20 +166ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:21 +254ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:21 +261ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:21 +258ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:21 +218ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +209ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +243ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +76ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +199ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +197ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:22 +176ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +236ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +20ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +24ms service=permission permission=edit 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 2026-01-13T16:42:23 +0ms service=permission permission=edit pattern=app/input/unsigned_underflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:23 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:23 +0ms service=format file=/app/input/unsigned_underflow.cpp formatting INFO 2026-01-13T16:42:23 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=air 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ext=.cpp checking INFO 2026-01-13T16:42:23 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:23 +8ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/unsigned_underflow.cpp read INFO 2026-01-13T16:42:23 +1ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-01-13T16:42:23 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +3ms service=bus type=message.part.updated publishing The bug in `unsigned_underflow.cpp` is in the `available()` function (line 16), which is supposed to calculate the number of elements in the ring buffer. The current implementation of `available()` is: ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` Since `head_` and `tail_` are unsigned (`size_t`), when `tail_ < head_` (meaning the buffer has wrapped around), this subtraction results in an unsigned integer underflow, yielding a very large number instead of the true available space. However, based on the implementation of `push()`, the current design of this "RingBuffer" is flawed and doesn't actually use `buffer_` as a fixed-size ring buffer: 1. `push()` uses `buffer_.push_back(value)`, which grows the vector, not wrap around. 2. `tail_` and `head_` are only used for indexing logic, but `push` just appends to `buffer_`. 3. The class doesn't seem to implement `pop` or any way to decrease the size. If this is meant to be a simple ring buffer that hasn't wrapped, then `available()` should return `buffer_.size()`. The use of `head_` and `tail_` seems to imply a fixed-size buffer where `capacity_` is the actual size. Let's assume the intent of this file is to demonstrate the unsigned underflow bug, and that `head_` and `tail_` are intended to track the indices within a wrapped buffer. Given the implementation of `main()` only calls `push()`, and never implements wrapping or `pop()`, the most sensible interpretation that works *without* modifying the underlying storage structure is that `head_` is 0 and `tail_` tracks the size of the contents. If the buffer has not wrapped (which is the case in `main` since we only call `push`), the size is simply `tail_ - head_`. Since `head_` is initialized to 0 and never changes, and `tail_` increments with each push, and `capacity_` is 10, the subtraction is correct *unless* the buffer has wrapped around. Looking at the code again, **if** this were a true ring buffer where `head_` could be greater than `tail_`, the correct calculation for available items would be: ```cpp // If tail_ >= head_, items = tail_ - head_ // If tail_ < head_, items = (capacity_ - head_) + tail_ // Which can be written as: return (tail_ - head_ + capacity_) % capacity_; ``` But in this simplified example, if we assume the buffer never wraps (i.e., we are only using the vector's growth), the size is simply `buffer_.size()`. However, the problem explicitly calls out the `tail_ - head_` bug. Since `push` never respects `capacity_` and always calls `buffer_.push_back`, the actual size is `buffer_.size()`. If I assume the bug is *just* the unsigned underflow as indicated in the comment, and that the author intended to implement a correct `available` for a ring buffer **which they failed to do in the other functions**, I should fix the underflow in `available()`. However, the main function calls: ```cpp 00033| buffer.push(1); 00034| buffer.push(2); 00035| buffer.push(3); ``` `capacity_` is 10. `head_` is 0. `tail_` is 3. `available()` returns $3 - 0 = 3$. This is correct. The underflow doesn't happen here. To make the underflow happen, `tail_` must be smaller than `head_`. This can only happen if elements are popped (and `head_` advances). The fact that `buffer_` is a `std::vector` and not a fixed array, and `push` just uses `push_back`, means this class is fundamentally broken as a RingBuffer. But I am asked to fix **one subtle bug**. The most subtle bug *in the code as written* is the assumption that `tail_ - head_` works for unsigned types. The actual number of elements in this broken implementation is simply `buffer_.size()`. If I use that, I fix the underlying logic error, which is probably the intended fix, as it works with the rest of the class implementation. If I fix it to `return buffer_.size();`, it's not a fix for "unsigned underflow", it's a fix for "wrong logic given the container type". Let's assume the entire `head_`/`tail_`/`capacity_` machinery is meant to track the size of the logical data (3), but the implementation of `push` is still flawed. Since the actual number of elements is **always** `buffer_.size()` in this code, I will use that. This is the fix that makes the code work as intended based on the actual storage. Change line 16: ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` To: ```cpp 00016| return buffer_.size(); ``` This is because `push` uses `buffer_.push_back`, so `buffer_.size()` is the actual number of elements. The `head_`/`tail_` logic is a red herring or a mistake by the original author, making the size calculation fundamentally incorrect. The smallest change that fixes the *actual* available count is using `buffer_.size()`. Wait, the prompt says "Ring buffer implementation" and points out an "unsigned underflow". If I ignore the `head_`/`tail_` logic, I'm ignoring the context of the bug. If I assume a pop operation was implicitly missing from `main` or the intention was to show the underflow: Example where underflow occurs: `capacity=10, head=5, tail=3`. `available()` should be 8. `tail_ - head_` is $3 - 5$, which is a huge number. The correct, robust implementation for a ring buffer's size using indices is: ```cpp return (tail_ - head_ + capacity_) % capacity_; ``` But the current code has `buffer_` as a `std::vector` which grows indefinitely and is completely disconnected from `head_`, `tail_`, and `capacity_` (except in `push` where `tail_` is updated but not used for anything). Given the constraint to fix the bug and produce correct output: In `main`, `push` is called 3 times. Output should be 3. Current `available()` returns 3. Output is 3. The code *works* for the current `main()` body. The bug is **latent** and only surfaces if `head_` is allowed to advance, which it is not. The bug is the **logic** which is only correct when `tail_ >= head_`. The most minimal fix that prevents the underflow when `tail_ < head_` is to explicitly check: ```cpp 00016| return tail_ >= head_ ? tail_ - head_ : (capacity_ - head_) + tail_; ``` But this formula is equivalent to `(tail_ - head_ + capacity_) % capacity_` if the capacity is respected. Since the capacity is *not* respected in `push`, the most correct and simple fix for the *intended* ring buffer size logic is the modular arithmetic: ```cpp return (tail_ + capacity_ - head_) % capacity_; ``` This handles both wrapped and non-wrapped cases, and uses the variables the comment suggests should be used for the calculation. I will use this as the fix for the unsigned underflow bug, assuming the logic around `head_`, `tail_`, and `capacity_` is the intended way to calculate the size, even if `push` is wrong. Change line 16: ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` To: ```cpp 00016| return (tail_ + capacity_ - head_) % capacity_; ``` This formula is the canonical way to calculate the distance between two indices in a circular buffer, avoiding underflow. Wait, `head_` and `tail_` are of type `size_t` (unsigned). In the current formula `(tail_ - head_ + capacity_) % capacity_`, if `tail_ < head_`, then `tail_ - head_` will underflow to a huge number, and adding `capacity_` might not fix it before the modulo. For unsigned types, the expression `tail_ - head_` is safe if we cast to a signed type and then calculate, but it's simpler to do: ```cpp return (head_ <= tail_) ? (tail_ - head_) : (capacity_ - head_ + tail_); ``` This is cleaner than the one line modular arithmetic on unsigned types to avoid the large intermediate number. Since I don't know the exact size of `size_t` and `capacity_`, I will use the conditional approach to be safe and avoid the underflow entirely. I will use the conditional approach on line 16. Change line 16: ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` To: ```cpp 00016| return (tail_ >= head_) ? (tail_ - head_) : (capacity_ - head_ + tail_); ``` I'll use the ternary operator to make it a single line change. Wait, I should use `size_t` on the left side of the ternary operator as well, not `tail_ >= head_` as a boolean. The correct syntax is: ```cpp 00016| return (tail_ >= head_) ? (tail_ - head_) : (capacity_ - head_ + tail_); ``` This is correct. I'll perform the edit.The bug in `unsigned_underflow.cpp` is a potential unsigned integer underflow in the `available()` function when calculating the size of the ring buffer, which happens when `tail_ < head_`. Since `head_` and `tail_` are unsigned (`size_t`), direct subtraction `tail_ - head_` when `tail_ < head_` results in a large number due to wrap-around, leading to incorrect results. The fix is to use conditional logic to correctly calculate the distance between indices in a circular buffer without causing an underflow on unsigned types. ```cpp 00016| return tail_ - head_; // Wraps around to huge number! ``` Change to: ```cpp 00016| return (tail_ >= head_) ? (tail_ - head_) : (capacity_ - head_ + tail_); ``` INFO 2026-01-13T16:42:23 +10ms service=bus type=message.part.updated publishing |  Edit app/input/unsigned_underflow.cpp INFO 2026-01-13T16:42:23 +6ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:23 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:23 +18ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:23 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:23 +0ms service=session.prompt step=11 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:23 +80ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:23 +19ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:23 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:23 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:23 +2ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:23 +1ms 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INFO 2026-01-13T16:42:24 +4ms service=bus type=message.part.updated publishing |  Read app/input/dangling_cstr.cpp INFO 2026-01-13T16:42:24 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:24 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:24 +22ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:24 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:24 +0ms service=session.prompt step=12 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:24 +40ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:24 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:24 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:24 +7ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:24 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:24 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:24 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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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2026-01-13T16:42:25 +190ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:25 +134ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +248ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +194ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +257ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +85ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +284ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +4ms service=permission permission=edit pattern=app/input/dangling_cstr.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 2026-01-13T16:42:26 +1ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:26 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:26 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-01-13T16:42:26 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:26 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:26 +6ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/dangling_cstr.cpp read INFO 2026-01-13T16:42:26 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-13T16:42:26 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +0ms service=bus type=message.part.updated publishing The bug in `dangling_cstr.cpp` is a dangling pointer problem in `formatMessage()` (line 10). The function `formatMessage` creates a local `std::string` named `formatted` on line 9, and then returns a pointer to its internal C-style string representation using `formatted.c_str()`. The local string `formatted` is destroyed when `formatMessage` returns, leaving the returned `const char*` pointer pointing to invalid memory. The fix is to change the return type of `formatMessage` from `const char*` to `std::string`. This allows the function to return the `std::string` by value (or using move semantics), ensuring the data remains valid. Change line 8: ```cpp 00008| const char* formatMessage(const std::string& msg) { ``` To: ```cpp 00008| std::string formatMessage(const std::string& msg) { ``` And then the `log` function must be updated to use `std::string` instead of `const char*`. Change line 14: ```cpp 00014| const char* formatted = formatMessage(msg); ``` To: ```cpp 00014| std::string formatted = formatMessage(msg); ``` And line 15: ```cpp 00015| std::cout << formatted << std::endl; ``` This line is fine as `std::cout` has an overload for `std::string`. However, the variable `formatted` on line 14 should probably be `const std::string` since it's not modified. Since the goal is to fix the subtle bug, and changing the return type to `std::string` is the correct fix: 1. Change line 8. 2. Change line 14. I will perform the two edits. INFO 2026-01-13T16:42:26 +18ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-13T16:42:26 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:26 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:26 +40ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:26 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:26 +0ms service=session.prompt step=13 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:26 +29ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:26 +2ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:26 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:26 +1ms service=tool.registry status=started question INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:26 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:26 +1ms service=tool.registry status=started skill INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-13T16:42:26 +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 2026-01-13T16:42:26 +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 2026-01-13T16:42:26 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:26 +4ms service=session.prompt status=completed duration=7 resolveTools INFO 2026-01-13T16:42:27 +40ms service=session.processor process INFO 2026-01-13T16:42:27 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:27 +15ms service=bus type=session.status publishing INFO 2026-01-13T16:42:27 +73ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:27 +0ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:27 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:27 +827ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:27 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:27 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:27 +2ms service=permission permission=edit pattern=app/input/dangling_cstr.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 2026-01-13T16:42:27 +1ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:27 +1ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:27 +0ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-01-13T16:42:27 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:27 +1ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:27 +2ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:27 +4ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:27 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:27 +2ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/dangling_cstr.cpp read INFO 2026-01-13T16:42:27 +3ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-01-13T16:42:27 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:27 +30ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-01-13T16:42:27 +5ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:27 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:28 +12ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:28 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:28 +1ms service=session.prompt step=14 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:28 +116ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:28 +5ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:28 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:28 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:28 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:28 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-13T16:42:28 +1ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:28 +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 2026-01-13T16:42:28 +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 2026-01-13T16:42:28 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:28 +2ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-01-13T16:42:28 +3ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:28 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:28 +25ms service=session.processor process INFO 2026-01-13T16:42:28 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:28 +19ms service=bus type=session.status publishing INFO 2026-01-13T16:42:28 +639ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +28ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +134ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +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 2026-01-13T16:42:28 +0ms service=permission permission=read pattern=/app/input/init_order.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:28 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +7ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-13T16:42:28 +0ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/init_order.cpp read INFO 2026-01-13T16:42:28 +6ms service=bus type=message.part.updated publishing |  Read app/input/init_order.cpp INFO 2026-01-13T16:42:28 +2ms service=bus type=message.part.updated publishing Next, I will work on `init_order.cpp`. INFO 2026-01-13T16:42:28 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:28 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:29 +10ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:29 +2ms service=bus type=session.status publishing INFO 2026-01-13T16:42:29 +0ms service=session.prompt step=15 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:29 +38ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:29 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:29 +2ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:29 +14ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:29 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:29 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:29 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:29 +1ms service=tool.registry status=started grep INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:29 +2ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:29 +1ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:29 +0ms service=tool.registry status=completed duration=5 invalid INFO 2026-01-13T16:42:29 +0ms service=tool.registry 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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 2026-01-13T16:42:34 +0ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:34 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:34 +1ms service=format file=/app/input/init_order.cpp formatting INFO 2026-01-13T16:42:34 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:34 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:34 +2ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/init_order.cpp read INFO 2026-01-13T16:42:34 +1ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-13T16:42:34 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:34 +4ms service=bus type=message.part.updated publishing The bug in `init_order.cpp` is a classic member initialization order issue. C++ guarantees that class members are initialized in the order of their declaration, not the order in the initializer list. In `Point` class: 1. `x_` is declared (line 21). 2. `y_` is declared (line 22). 3. `scale_` is declared (line 23). In the constructor's initializer list (lines 6-9), `scale_` is initialized first, but `x_` and `y_` are initialized next, and they use `scale_`. Since `x_` is initialized first (declaration order), `x_` uses the value of `scale_` which hasn't been initialized yet. Wait, no. 1. Initialization happens: `x_`, then `y_`, then `scale_`. 2. In the initializer list: - `x_` is initialized with `x * scale_`. **At this point, `scale_` is uninitialized.** This is Undefined Behavior. - `y_` is initialized with `y * scale_`. **At this point, `scale_` is uninitialized.** This is Undefined Behavior. - `scale_` is initialized with `scale`. To fix this, the members must be declared in the order they are needed for initialization, which means `scale_` must be declared before `x_` and `y_`. I need to reorder the member declarations on lines 21-23. ```cpp 00021| private: 00021| double x_; // Initialized first (declaration order) 00022| double y_; // Initialized second 00023| double scale_; // Initialized third, but used in x_ and y_ init! ``` To: ```cpp 00021| private: 00021| double scale_; 00022| double x_; 00023| double y_; ``` This ensures that `scale_` is initialized first (from the initializer list) before its value is used to initialize `x_` and `y_`. I will use two edits to swap `scale_` and `x_` on lines 21 and 23. 1. Swap line 21 and 23: ```cpp 00021| double x_; // Initialized first (declaration order) ... 00023| double scale_; // Initialized third, but used in x_ and y_ init! ``` to ```cpp 00021| double scale_; // Initialized first (declaration order) ... 00023| double x_; // Initialized third, but used in x_ and y_ init! ``` Wait, I only need to move `scale_` above `x_` and `y_`. I will do this by deleting line 23 and inserting it above line 21, then fixing the comments. Simpler: just change the order of the declarations in the file. ```cpp 00021| double x_; // Initialized first (declaration order) 00022| double y_; // Initialized second 00023| double scale_; // Initialized third, but used in x_ and y_ init! ``` Change to: ```cpp 00021| double scale_; 00022| double x_; 00023| double y_; ``` I will apply a single edit that encompasses all three lines. ```cpp 00021| private: 00021| double x_; // Initialized first (declaration order) 00022| double y_; // Initialized second 00023| double scale_; // Initialized third, but used in x_ and y_ init! ``` To: ```cpp 00021| private: 00021| double scale_; 00022| double x_; 00023| double y_; ``` Since the comments describe the bug, I should remove them as well. Change lines 21-23 to: ```cpp 00021| double scale_; 00022| double x_; 00023| double y_; ``` I will apply a sequence of edits. 1. Change line 21 to `double scale_;` 2. Change line 22 to `double x_;` 3. Change line 23 to `double y_;` But line 22 should be `double y_;`. The desired final order is `scale_`, `x_`, `y_`. Wait, the constructor initializer list is: ```cpp 00007| : scale_(scale), 00008| x_(x * scale_), 00009| y_(y * scale_) ``` This order is fine, as long as `scale_` is declared first. I will change line 21 to `double scale_;` and line 23 to `double y_;` Wait, that would result in: ```cpp 00021| double scale_; 00022| double y_; 00023| double y_; // oops ``` I need to swap the lines. Line 21: `double x_;` Line 22: `double y_;` Line 23: `double scale_;` Target: Line 21: `double scale_;` Line 22: `double x_;` Line 23: `double y_;` This means: 1. Change line 21 to `double scale_;` 2. Change line 22 to `double x_;` 3. Change line 23 to `double y_;` I will apply the edits in sequence, making the member declarations match the initialization order in the constructor. I will keep the existing indentation. 1. Change line 21. INFO 2026-01-13T16:42:34 +14ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2026-01-13T16:42:34 +6ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:34 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:34 +6ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:34 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:34 +0ms service=session.prompt step=16 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:34 +82ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:34 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:34 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:34 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:34 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:34 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:34 +0ms 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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 2026-01-13T16:42:35 +1ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:35 +1ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:35 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2026-01-13T16:42:35 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:35 +1ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:35 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:35 +1ms service=bus type=message.part.updated publishing 2. Change line 22. INFO 2026-01-13T16:42:35 +3ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/init_order.cpp read INFO 2026-01-13T16:42:35 +1ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-13T16:42:35 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:35 +11ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2026-01-13T16:42:35 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:35 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:35 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:35 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:35 +0ms service=session.prompt step=17 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:36 +46ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:36 +0ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:36 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:36 +14ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:36 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:36 +1ms service=tool.registry status=started bash INFO 2026-01-13T16:42:36 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:36 +1ms service=tool.registry status=started edit INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=2 question INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:36 +1ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-01-13T16:42:36 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:36 +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 2026-01-13T16:42:36 +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 2026-01-13T16:42:36 +1ms service=tool.registry status=completed duration=2 task INFO 2026-01-13T16:42:36 +4ms service=session.prompt status=completed duration=8 resolveTools INFO 2026-01-13T16:42:36 +25ms service=session.processor process INFO 2026-01-13T16:42:36 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:36 +6ms service=bus type=session.status publishing INFO 2026-01-13T16:42:36 +655ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +23ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +201ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +2ms 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 2026-01-13T16:42:36 +2ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:36 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:36 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2026-01-13T16:42:36 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:36 +1ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:36 +1ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:36 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:36 +2ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/init_order.cpp read INFO 2026-01-13T16:42:36 +0ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-01-13T16:42:36 +3ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:36 +4ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2026-01-13T16:42:36 +7ms service=bus type=message.part.updated publishing 3. Change line 23. INFO 2026-01-13T16:42:37 +6ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:37 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:37 +21ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:37 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:37 +0ms service=session.prompt step=18 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:37 +259ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:37 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:37 +3ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:37 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:37 +2ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:37 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:37 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:37 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:37 +2ms service=tool.registry status=started grep INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:37 +1ms service=tool.registry status=started write INFO 2026-01-13T16:42:37 +2ms service=tool.registry status=started task INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=6 invalid INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=6 question INFO 2026-01-13T16:42:37 +1ms service=tool.registry status=completed duration=6 read INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=6 glob INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=4 grep INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=4 edit INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=3 write INFO 2026-01-13T16:42:37 +1ms service=tool.registry status=completed duration=2 webfetch INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=2 todoread INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=8 bash INFO 2026-01-13T16:42:37 +0ms service=tool.registry status=completed duration=2 skill INFO 2026-01-13T16:42:37 +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 2026-01-13T16:42:37 +2ms 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 2026-01-13T16:42:37 +1ms service=tool.registry status=completed duration=5 task INFO 2026-01-13T16:42:37 +8ms service=session.prompt status=completed duration=20 resolveTools INFO 2026-01-13T16:42:37 +25ms service=session.processor process INFO 2026-01-13T16:42:37 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:37 +11ms service=bus type=session.status publishing INFO 2026-01-13T16:42:37 +620ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:37 +4ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:38 +23ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:38 +90ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:38 +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 2026-01-13T16:42:38 +0ms service=permission permission=read pattern=/app/input/off_by_one.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:38 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:38 +3ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-13T16:42:38 +0ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/off_by_one.cpp read INFO 2026-01-13T16:42:38 +3ms service=bus type=message.part.updated publishing |  Read app/input/off_by_one.cpp INFO 2026-01-13T16:42:38 +10ms service=bus type=message.part.updated publishing Next, I will work on `off_by_one.cpp`. INFO 2026-01-13T16:42:38 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:38 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:38 +17ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:38 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:38 +0ms service=session.prompt step=19 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:38 +168ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:38 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:38 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:38 +16ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:38 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:38 +1ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:38 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=0 invalid INFO 2026-01-13T16:42:38 +1ms service=tool.registry status=completed duration=1 question INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:38 +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 2026-01-13T16:42:38 +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 2026-01-13T16:42:38 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:38 +5ms service=session.prompt status=completed duration=7 resolveTools INFO 2026-01-13T16:42:38 +34ms service=session.processor process INFO 2026-01-13T16:42:38 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:38 +15ms service=bus type=session.status publishing INFO 2026-01-13T16:42:39 +620ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +91ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +63ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +126ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +98ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +142ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +260ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:39 +172ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +79ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +210ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +14ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +19ms service=permission permission=edit 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 2026-01-13T16:42:40 +0ms service=permission permission=edit pattern=app/input/off_by_one.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:40 +0ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:40 +0ms service=format file=/app/input/off_by_one.cpp formatting INFO 2026-01-13T16:42:40 +1ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=air ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=prettier ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=mix ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=gleam ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=dart ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-01-13T16:42:40 +1ms service=format name=cargofmt ext=.cpp checking INFO 2026-01-13T16:42:40 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:40 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/off_by_one.cpp read INFO 2026-01-13T16:42:40 +0ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-01-13T16:42:40 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +12ms service=bus type=message.part.updated publishing The bug in `off_by_one.cpp` is a clear out-of-bounds array access in `printTopRow()`. The matrix `data_` is declared as `int data_[5][5]` (line 24), meaning valid column indices are 0 through 4. The loop on line 17 iterates from `i = 0` to `i <= 5`: ```cpp 00017| for (int i = 0; i <= 5; i++) { // Off-by-one! 00018| std::cout << data_[0][i] << " "; 00019| } ``` When `i` reaches 5, `data_[0][5]` is accessed, which is one element past the end of the array, leading to Undefined Behavior and failing sanitizer checks (ASan/UBSan). The fix is to change the loop condition from `i <= 5` to `i < 5`. Change line 17: ```cpp 00017| for (int i = 0; i <= 5; i++) { // Off-by-one! ``` To: ```cpp 00017| for (int i = 0; i < 5; i++) { ``` INFO 2026-01-13T16:42:40 +3ms service=bus type=message.part.updated publishing |  Edit app/input/off_by_one.cpp INFO 2026-01-13T16:42:40 +6ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:40 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:40 +47ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:40 +4ms service=bus type=session.status publishing INFO 2026-01-13T16:42:40 +0ms service=session.prompt step=20 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:40 +185ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:40 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:40 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:40 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:40 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:40 +2ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:40 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:40 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=1 question INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 read INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 write INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-01-13T16:42:40 +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 2026-01-13T16:42:40 +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 2026-01-13T16:42:40 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:40 +6ms service=session.prompt status=completed duration=10 resolveTools INFO 2026-01-13T16:42:40 +4ms service=session.processor process INFO 2026-01-13T16:42:40 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:40 +7ms service=bus type=session.status publishing INFO 2026-01-13T16:42:41 +702ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +45ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +72ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +3ms 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 2026-01-13T16:42:41 +0ms service=permission permission=read pattern=/app/input/int_overflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:41 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +1ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-13T16:42:41 +0ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/int_overflow.cpp read INFO 2026-01-13T16:42:41 +4ms service=bus type=message.part.updated publishing |  Read app/input/int_overflow.cpp INFO 2026-01-13T16:42:41 +13ms service=bus type=message.part.updated publishing Next, I will work on `int_overflow.cpp`. INFO 2026-01-13T16:42:41 +1ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:41 +3ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:41 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:41 +1ms service=bus type=session.status publishing INFO 2026-01-13T16:42:41 +0ms service=session.prompt step=21 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:41 +34ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:41 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:41 +0ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started question INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started bash INFO 2026-01-13T16:42:41 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started read INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started glob INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=started skill INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=0 invalid INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=0 question INFO 2026-01-13T16:42:41 +1ms service=tool.registry status=completed duration=1 read INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 write INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-01-13T16:42:41 +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 2026-01-13T16:42:41 +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 2026-01-13T16:42:41 +0ms service=tool.registry status=completed duration=1 task INFO 2026-01-13T16:42:41 +2ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-01-13T16:42:41 +2ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:41 +1ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:41 +43ms service=session.processor process INFO 2026-01-13T16:42:41 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:41 +24ms service=bus type=session.status publishing INFO 2026-01-13T16:42:42 +650ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +61ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +95ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +119ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +116ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:42 +197ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +377ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +12ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +196ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +292ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +194ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:43 +123ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:44 +211ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:44 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:44 +6ms 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 2026-01-13T16:42:44 +0ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-01-13T16:42:44 +1ms service=bus type=file.edited publishing INFO 2026-01-13T16:42:44 +0ms service=format file=/app/input/int_overflow.cpp formatting INFO 2026-01-13T16:42:44 +0ms service=format name=zig ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=uv format ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=terraform ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=ruff ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-01-13T16:42:44 +0ms service=format name=air ext=.cpp checking 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2026-01-13T16:42:44 +0ms service=format name=biome ext=.cpp checking INFO 2026-01-13T16:42:44 +1ms service=file.time sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 file=/app/input/int_overflow.cpp read INFO 2026-01-13T16:42:44 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-01-13T16:42:44 +0ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:44 +7ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-13T16:42:44 +16ms service=bus type=message.part.updated publishing The bug in `int_overflow.cpp` is a signed integer overflow in `calculateTotal()` (line 8). The function takes two `int` parameters and returns their product, also as an `int`. For the large order test case on line 24, `100000 * 50000 = 5,000,000,000`, which exceeds the maximum value of a standard 32-bit signed integer (approx. 2.1 billion). This results in signed integer overflow, which is Undefined Behavior and would be caught by sanitizer checks (UBSan). The fix is to perform the calculation using a wider integer type, such as `long long`, which is guaranteed to be at least 64-bit and can safely store the result. 1. Change the return type of `calculateTotal` to `long long` (line 7). 2. Cast at least one operand of the multiplication to `long long` before the multiplication (line 8). Change line 7: ```cpp 00007| int calculateTotal(int pricePerUnit, int quantity) { ``` To: ```cpp 00007| long long calculateTotal(int pricePerUnit, int quantity) { ``` Change line 8: ```cpp 00008| return pricePerUnit * quantity; // Can overflow! ``` To: ```cpp 00008| return (long long)pricePerUnit * quantity; ``` Also, the function `printOrder` needs to be updated to accept a `long long` for `total` (line 12), and `total` should be declared as `long long`. Wait, the function `printOrder` calls `calculateTotal`, and `calculateTotal` will return `long long`. The variable `total` in `printOrder` needs to be `long long` to store the result. Change line 12: ```cpp 00012| int total = calculateTotal(price, qty); ``` To: ```cpp 00012| long long total = calculateTotal(price, qty); ``` I will apply these three edits. 1. Change return type of `calculateTotal`. 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Change calculation in `calculateTotal`. 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Change `total` variable declaration in `printOrder`. INFO 2026-01-13T16:42:46 +25ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-01-13T16:42:46 +5ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:46 +4ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:46 +15ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:46 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:46 +0ms service=session.prompt step=24 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:46 +59ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:46 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:46 +3ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:46 +2ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:46 +1ms service=session.prompt status=started resolveTools INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started invalid INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started question INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started bash INFO 2026-01-13T16:42:46 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started read INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started glob INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started grep INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started edit INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started write INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started task INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started webfetch INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started todowrite INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=started todoread INFO 2026-01-13T16:42:46 +1ms service=tool.registry status=started skill INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=6 invalid INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=5 question INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=3 read INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=2 glob INFO 2026-01-13T16:42:46 +2ms service=tool.registry status=completed duration=4 grep INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=4 edit INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=4 write INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=4 webfetch INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=3 todowrite INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=3 todoread INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=6 bash INFO 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=2 skill INFO 2026-01-13T16:42:46 +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 2026-01-13T16:42:46 +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 2026-01-13T16:42:46 +0ms service=tool.registry status=completed duration=5 task INFO 2026-01-13T16:42:46 +4ms service=session.prompt status=completed duration=14 resolveTools INFO 2026-01-13T16:42:46 +6ms service=session.processor process INFO 2026-01-13T16:42:46 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-preview-09-2025 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 small=false agent=build stream INFO 2026-01-13T16:42:46 +9ms service=bus type=session.status publishing INFO 2026-01-13T16:42:47 +638ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +5ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +58ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +58ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +111ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +88ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +141ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:47 +121ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:48 +194ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:48 +196ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:48 +35ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:48 +14ms service=bus type=message.part.updated publishing Finally, I will work on `iterator_invalidation.cpp` again. I realized I haven't fully fixed it yet as I skipped one file in the initial list. I already fixed `virtual_destructor.cpp`, `reference_to_temporary.cpp`, `iterator_invalidation.cpp`, `unsigned_underflow.cpp`, `dangling_cstr.cpp`, `init_order.cpp`, `off_by_one.cpp`, and `int_overflow.cpp`. I just need to verify the list of files I've fixed. The list of files to fix: 1. `virtual_destructor.cpp` - **Fixed** (Added `virtual` destructor) 2. `reference_to_temporary.cpp` - **Fixed** (Changed return type to `std::string`) 3. `iterator_invalidation.cpp` - **Fixed** (Changed to index-based iteration) 4. `unsigned_underflow.cpp` - **Fixed** (Used conditional expression for size calculation) 5. `dangling_cstr.cpp` - **Fixed** (Changed return type to `std::string` and updated calls) 6. `init_order.cpp` - **Fixed** (Reordered member declarations) 7. `off_by_one.cpp` - **Fixed** (Changed loop condition from `<= 5` to `< 5`) 8. `int_overflow.cpp` - **Fixed** (Changed to `long long` for calculation and return type) I have fixed all 8 files. I will output my final statement. INFO 2026-01-13T16:42:48 +2ms service=bus type=message.part.updated publishing INFO 2026-01-13T16:42:48 +1ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:48 +6ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:48 +12ms service=bus type=session.status publishing INFO 2026-01-13T16:42:48 +0ms service=session.prompt step=25 sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 loop INFO 2026-01-13T16:42:48 +233ms service=bus type=message.updated publishing INFO 2026-01-13T16:42:48 +1ms service=bus type=session.updated publishing INFO 2026-01-13T16:42:48 +0ms service=bus type=session.diff publishing INFO 2026-01-13T16:42:48 +11ms service=session.prompt sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 exiting loop INFO 2026-01-13T16:42:48 +1ms service=session.compaction pruning INFO 2026-01-13T16:42:48 +2ms service=session.prompt sessionID=ses_447c3c42effe4Y0GsCTxDnNPF0 cancel INFO 2026-01-13T16:42:48 +0ms service=bus type=session.status publishing INFO 2026-01-13T16:42:48 +1ms service=bus type=session.idle publishing INFO 2026-01-13T16:42:48 +2ms service=default directory=/app/input disposing instance INFO 2026-01-13T16:42:48 +3ms service=state key=/app/input waiting for state disposal to complete INFO 2026-01-13T16:42:48 +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.