/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_20260128_150105/task9_cpp_footguns/openrouter-google-gemini-2.5-flash-lite-preview-09-2025/workspace to /app
No project_name provided - skipping configuration directory setup.
Session created successfully!
Session ID: bfb5a3ea
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 153 models to OpenCode configuration
Added openrouter standard provider with 347 models to OpenCode configuration
Set default model to openrouter/google/gemini-2.5-flash-lite-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  2026-01-28T16:35:36 +783ms service=default version=1.1.17 args=["run","--print-logs"] opencode
INFO  2026-01-28T16:35:36 +4ms service=default directory=/app/input creating instance
INFO  2026-01-28T16:35:36 +2ms service=project directory=/app/input fromDirectory
INFO  2026-01-28T16:35:36 +2ms service=storage index=0 running migration
ERROR 2026-01-28T16:35:36 +5ms service=storage index=0 failed to run migration
INFO  2026-01-28T16:35:36 +0ms service=storage index=1 running migration
INFO  2026-01-28T16:35:36 +5ms service=default directory=/app/input bootstrapping
INFO  2026-01-28T16:35:36 +7ms service=config path=/home/cubbi/.config/opencode/config.json loading
INFO  2026-01-28T16:35:36 +133ms service=config path=/home/cubbi/.config/opencode/opencode.json loading
INFO  2026-01-28T16:35:36 +0ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading
INFO  2026-01-28T16:35:36 +15ms 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  2026-01-28T16:35:37 +1065ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed @opencode-ai/plugin@1.1.17

3 packages installed [1037.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [12]
Saved lockfile
 done
INFO  2026-01-28T16:35:37 +2ms 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  2026-01-28T16:35:37 +33ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd)

Checked 3 installs across 4 packages (no changes) [4.00ms]
 stderr= done
INFO  2026-01-28T16:35:37 +20ms service=plugin name=CodexAuthPlugin loading internal plugin
INFO  2026-01-28T16:35:37 +1ms service=plugin path=opencode-copilot-auth@0.0.12 loading plugin
INFO  2026-01-28T16:35:37 +2ms service=bun pkg=opencode-copilot-auth version=0.0.12 installing package using Bun's default registry resolution
INFO  2026-01-28T16:35:37 +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  2026-01-28T16:35:38 +153ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed opencode-copilot-auth@0.0.12

1 package installed [130.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [4]
Saved lockfile
 done
INFO  2026-01-28T16:35:38 +5ms service=plugin path=opencode-anthropic-auth@0.0.8 loading plugin
INFO  2026-01-28T16:35:38 +1ms service=bun pkg=opencode-anthropic-auth version=0.0.8 installing package using Bun's default registry resolution
INFO  2026-01-28T16:35:38 +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  2026-01-28T16:35:38 +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 [611.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [50]
Saved lockfile
 done
INFO  2026-01-28T16:35:38 +68ms service=bus type=* subscribing
INFO  2026-01-28T16:35:38 +0ms service=bus type=session.updated subscribing
INFO  2026-01-28T16:35:38 +1ms service=bus type=message.updated subscribing
INFO  2026-01-28T16:35:38 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-28T16:35:38 +0ms service=bus type=session.updated subscribing
INFO  2026-01-28T16:35:38 +1ms service=bus type=message.updated subscribing
INFO  2026-01-28T16:35:38 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-28T16:35:38 +0ms service=bus type=session.diff subscribing
INFO  2026-01-28T16:35:38 +0ms service=format init
INFO  2026-01-28T16:35:38 +0ms service=bus type=file.edited subscribing
INFO  2026-01-28T16:35:38 +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  2026-01-28T16:35:38 +9ms service=bus type=command.executed subscribing
INFO  2026-01-28T16:35:38 +51ms service=server method=POST path=/session request
INFO  2026-01-28T16:35:38 +0ms service=server status=started method=POST path=/session request
INFO  2026-01-28T16:35:38 +8ms service=session id=ses_3fa8a18efffeM30OqD0J4FVKh4 version=1.1.17 projectID=global directory=/app/input title=New session - 2026-01-28T16:35:38.896Z time={"created":1769618138896,"updated":1769618138896} created
INFO  2026-01-28T16:35:38 +8ms service=bus type=session.created publishing
INFO  2026-01-28T16:35:38 +0ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:38 +3ms service=server status=completed duration=19 method=POST path=/session request
INFO  2026-01-28T16:35:38 +1ms service=server method=GET path=/config request
INFO  2026-01-28T16:35:38 +0ms service=server status=started method=GET path=/config request
INFO  2026-01-28T16:35:38 +3ms service=server status=completed duration=2 method=GET path=/config request
INFO  2026-01-28T16:35:38 +15ms service=server method=GET path=/event request
INFO  2026-01-28T16:35:38 +1ms service=server status=started method=GET path=/event request
INFO  2026-01-28T16:35:38 +4ms service=server method=POST path=/session/ses_3fa8a18efffeM30OqD0J4FVKh4/message request
INFO  2026-01-28T16:35:38 +0ms service=server status=started method=POST path=/session/ses_3fa8a18efffeM30OqD0J4FVKh4/message request
INFO  2026-01-28T16:35:38 +1ms service=server event connected
INFO  2026-01-28T16:35:38 +4ms service=bus type=* subscribing
INFO  2026-01-28T16:35:38 +21ms service=server status=completed duration=30 method=GET path=/event request
INFO  2026-01-28T16:35:38 +2ms service=server status=completed duration=28 method=POST path=/session/ses_3fa8a18efffeM30OqD0J4FVKh4/message request
INFO  2026-01-28T16:35:39 +59ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:39 +4ms service=provider status=started state
INFO  2026-01-28T16:35:39 +18ms service=models.dev file={} refreshing
INFO  2026-01-28T16:35:39 +55ms service=provider init
INFO  2026-01-28T16:35:39 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:39 +24ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:39 +13ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:39 +1ms service=session.prompt step=0 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:39 +23ms service=provider providerID=openrouter found
INFO  2026-01-28T16:35:39 +0ms service=provider providerID=opencode found
INFO  2026-01-28T16:35:39 +0ms service=provider providerID=litellm found
INFO  2026-01-28T16:35:39 +0ms service=provider status=completed duration=153 state
INFO  2026-01-28T16:35:39 +18ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:39 +3ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-28T16:35:39 +1ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider
INFO  2026-01-28T16:35:39 +0ms service=provider status=completed duration=1 providerID=openrouter getSDK
INFO  2026-01-28T16:35:39 +3ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:39 +3ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:39 +51ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:39 +1ms service=tool.registry status=started question
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:39 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:39 +3ms service=tool.registry status=started read
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:39 +2ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:39 +2ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:39 +1ms service=tool.registry status=completed duration=9 invalid
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=8 question
INFO  2026-01-28T16:35:39 +1ms service=tool.registry status=completed duration=6 read
INFO  2026-01-28T16:35:39 +3ms service=tool.registry status=completed duration=9 glob
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=9 grep
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=9 edit
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=9 write
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=7 webfetch
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=7 todowrite
INFO  2026-01-28T16:35:39 +1ms service=tool.registry status=completed duration=8 todoread
INFO  2026-01-28T16:35:39 +0ms service=tool.registry status=completed duration=13 bash
INFO  2026-01-28T16:35:39 +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  2026-01-28T16:35:39 +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  2026-01-28T16:35:39 +1ms service=tool.registry status=completed duration=12 task
INFO  2026-01-28T16:35:39 +3ms service=tool.registry status=completed duration=11 skill
INFO  2026-01-28T16:35:39 +34ms service=session.prompt status=completed duration=104 resolveTools
INFO  2026-01-28T16:35:39 +17ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:39 +4ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:39 +0ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:39 +14ms service=session.processor process
INFO  2026-01-28T16:35:39 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:39 +0ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-28T16:35:39 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK
INFO  2026-01-28T16:35:39 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:39 +13ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:39 +473ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:39 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:39 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:39 +88ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +95ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +30ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +5ms service=permission permission=glob pattern=*.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:35:40 +0ms service=permission permission=glob pattern=*.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:40 +16ms service=bus type=message.part.updated publishing

This is a multi-file bug-fixing task. I will create a structured plan to address each file sequentially, starting with an initial exploration of the files present in the current directory and then tackling each bug one by one. Since I cannot ask questions, I must rely on my analysis of the code to identify and fix the bugs while adhering to the compilation and sanitizer requirements.

I will begin by listing the files to confirm the scope.

INFO  2026-01-28T16:35:40 +31ms service=bus type=message.part.updated publishing
|  Glob     app/input
INFO  2026-01-28T16:35:40 +20ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +3ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:40 +23ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:40 +3ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:40 +0ms service=session.prompt step=1 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:40 +16ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:40 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:40 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:40 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:40 +27ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:40 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:40 +2ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:40 +1ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:40 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:40 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:35:40 +3ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:40 +1ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:40 +1ms service=tool.registry status=completed duration=9 invalid
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=8 question
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=5 read
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=2 glob
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:35:40 +1ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=8 bash
INFO  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-28T16:35:40 +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  2026-01-28T16:35:40 +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  2026-01-28T16:35:40 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-28T16:35:40 +5ms service=session.prompt status=completed duration=16 resolveTools
INFO  2026-01-28T16:35:40 +34ms service=session.processor process
INFO  2026-01-28T16:35:40 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:40 +55ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:40 +458ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:40 +111ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +134ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +30ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +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  2026-01-28T16:35:41 +0ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:41 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +46ms service=lsp file=/app/input/virtual_destructor.cpp touching file
INFO  2026-01-28T16:35:41 +2ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/virtual_destructor.cpp read
INFO  2026-01-28T16:35:41 +12ms service=bus type=message.part.updated publishing

I have identified the 8 C++ files that require fixing. I will now start with the first file, `virtual_destructor.cpp`.

## Plan
1.  Read `virtual_destructor.cpp`.
2.  Analyze the code for memory management issues, especially related to polymorphism and destructors, which is the likely bug given the filename.
3.  Fix the bug in place.
4.  Repeat for all other files in the list.

Starting with `virtual_destructor.cpp`.

INFO  2026-01-28T16:35:41 +2ms service=bus type=message.part.updated publishing
|  Read     app/input/virtual_destructor.cpp
INFO  2026-01-28T16:35:41 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:41 +16ms service=lsp.server downloading clangd from GitHub releases
INFO  2026-01-28T16:35:41 +8ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:41 +3ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:41 +0ms service=session.prompt step=2 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:41 +23ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:41 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:41 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:41 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:41 +36ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:41 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:41 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:41 +1ms service=tool.registry status=started question
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:41 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:41 +2ms service=tool.registry status=started read
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:41 +1ms service=tool.registry status=started task
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:41 +1ms service=tool.registry status=completed duration=5 invalid
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=4 question
INFO  2026-01-28T16:35:41 +1ms service=tool.registry status=completed duration=4 read
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=3 glob
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=3 grep
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=3 edit
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=3 write
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=2 webfetch
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=2 todowrite
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-28T16:35:41 +2ms service=tool.registry status=completed duration=7 bash
INFO  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=4 skill
INFO  2026-01-28T16:35:41 +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  2026-01-28T16:35:41 +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  2026-01-28T16:35:41 +0ms service=tool.registry status=completed duration=5 task
INFO  2026-01-28T16:35:41 +4ms service=session.prompt status=completed duration=14 resolveTools
INFO  2026-01-28T16:35:41 +58ms service=session.processor process
INFO  2026-01-28T16:35:41 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:41 +4ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:41 +684ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:41 +12ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +125ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +579ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:42 +47ms 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  2026-01-28T16:35:42 +2ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:42 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:35:42 +1ms service=format file=/app/input/virtual_destructor.cpp formatting
INFO  2026-01-28T16:35:42 +6ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:35:42 +2ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +1ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:35:42 +1ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:35:42 +4ms service=bus type=message.part.updated publishing

The bug in `virtual_destructor.cpp` is clearly identified on line 12: the base class destructor `Plugin::~Plugin()` is missing the `virtual` keyword. This leads to undefined behavior (and likely a memory leak or crash) when deleting a derived class object (like `ImagePlugin`) through a base class pointer, as only the base class destructor will be called.

Fixing line 12.

INFO  2026-01-28T16:35:42 +13ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:35:42 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:35:42 +1ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/virtual_destructor.cpp read
INFO  2026-01-28T16:35:42 +1ms service=lsp file=/app/input/virtual_destructor.cpp touching file
INFO  2026-01-28T16:35:42 +0ms service=bus type=message.part.updated publishing
ERROR 2026-01-28T16:35:43 +276ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive
INFO  2026-01-28T16:35:43 +6ms service=bus type=message.part.updated publishing
|  Edit     app/input/virtual_destructor.cpp
INFO  2026-01-28T16:35:43 +10ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:43 +43ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:43 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:43 +0ms service=session.prompt step=3 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:43 +42ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:43 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:43 +6ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:43 +15ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:43 +74ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:43 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:43 +5ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:43 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:43 +1ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-28T16:35:43 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:35:43 +1ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-28T16:35:43 +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  2026-01-28T16:35:43 +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  2026-01-28T16:35:43 +1ms service=tool.registry status=completed duration=3 task
INFO  2026-01-28T16:35:43 +1ms service=session.prompt status=completed duration=9 resolveTools
INFO  2026-01-28T16:35:43 +54ms service=session.processor process
INFO  2026-01-28T16:35:43 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:43 +16ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:43 +479ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +67ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +6ms 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  2026-01-28T16:35:43 +5ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:43 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:43 +58ms service=lsp file=/app/input/reference_to_temporary.cpp touching file
INFO  2026-01-28T16:35:43 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/reference_to_temporary.cpp read
INFO  2026-01-28T16:35:44 +25ms service=bus type=message.part.updated publishing

Next file: `reference_to_temporary.cpp`.

INFO  2026-01-28T16:35:44 +22ms service=bus type=message.part.updated publishing
|  Read     app/input/reference_to_temporary.cpp
INFO  2026-01-28T16:35:44 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:44 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:44 +94ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:44 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:44 +0ms service=session.prompt step=4 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:44 +95ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:44 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=true agent=title stream
INFO  2026-01-28T16:35:44 +4ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:44 +3ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:44 +87ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:44 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:44 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:44 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:44 +7ms service=tool.registry status=started read
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:44 +1ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=8 invalid
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=8 question
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-28T16:35:44 +1ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=9 bash
INFO  2026-01-28T16:35:44 +1ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-28T16:35:44 +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  2026-01-28T16:35:44 +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  2026-01-28T16:35:44 +0ms service=tool.registry status=completed duration=4 task
INFO  2026-01-28T16:35:44 +7ms service=session.prompt status=completed duration=19 resolveTools
INFO  2026-01-28T16:35:44 +77ms service=session.processor process
INFO  2026-01-28T16:35:44 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:44 +13ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:44 +484ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:44 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:44 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +102ms service=session.summary title=C++ subtle bug fixes title
INFO  2026-01-28T16:35:45 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:45 +50ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +32ms 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  2026-01-28T16:35:45 +2ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:45 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:35:45 +0ms service=format file=/app/input/reference_to_temporary.cpp formatting
INFO  2026-01-28T16:35:45 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:35:45 +1ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:35:45 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:35:45 +7ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/reference_to_temporary.cpp read
INFO  2026-01-28T16:35:45 +1ms service=lsp file=/app/input/reference_to_temporary.cpp touching file
INFO  2026-01-28T16:35:45 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +2ms service=bus type=message.part.updated publishing

The bug in `reference_to_temporary.cpp` is on lines 8-9. The function `getAppName` returns a reference (`const std::string&`) to a temporary `std::string` object created within the function. This results in a dangling reference when the caller tries to use it.

Fix: Change the return type to return by value (`std::string`) instead of by reference. This is safe for small strings due to Return Value Optimization (RVO) or move semantics.

Fixing lines 8-9.

INFO  2026-01-28T16:35:45 +36ms service=bus type=message.part.updated publishing
|  Edit     app/input/reference_to_temporary.cpp
INFO  2026-01-28T16:35:45 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +6ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:45 +37ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:45 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:45 +0ms service=session.prompt step=5 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:45 +65ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:45 +4ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:45 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:45 +7ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:45 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:45 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:45 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:35:45 +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  2026-01-28T16:35:45 +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  2026-01-28T16:35:45 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-28T16:35:45 +2ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-28T16:35:45 +2ms service=session.processor process
INFO  2026-01-28T16:35:45 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:45 +4ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:45 +410ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +33ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:45 +3ms 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  2026-01-28T16:35:45 +0ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:45 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +31ms service=lsp file=/app/input/iterator_invalidation.cpp touching file
INFO  2026-01-28T16:35:46 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/iterator_invalidation.cpp read
INFO  2026-01-28T16:35:46 +8ms service=bus type=message.part.updated publishing

Next file: `iterator_invalidation.cpp`.

INFO  2026-01-28T16:35:46 +0ms service=bus type=message.part.updated publishing
|  Read     app/input/iterator_invalidation.cpp
INFO  2026-01-28T16:35:46 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:46 +37ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:46 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:46 +0ms service=session.prompt step=6 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:46 +37ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:46 +2ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:46 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:46 +11ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:46 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:46 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:46 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 question
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 bash
INFO  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:35:46 +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  2026-01-28T16:35:46 +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  2026-01-28T16:35:46 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:35:46 +5ms service=session.prompt status=completed duration=7 resolveTools
INFO  2026-01-28T16:35:46 +24ms service=session.processor process
INFO  2026-01-28T16:35:46 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:46 +16ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:46 +576ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +113ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:46 +108ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:47 +81ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +188ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +86ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +176ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +110ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +114ms service=session.summary title=C++ subtle bugs fix title
INFO  2026-01-28T16:35:47 +2ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:47 +25ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:47 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +196ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +194ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +66ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +20ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +10ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +105ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +139ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:48 +166ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +136ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +59ms service=session.summary title=C++ subtle bug fixes title
INFO  2026-01-28T16:35:49 +0ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:49 +102ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +149ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +131ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +353ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:49 +90ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +142ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +100ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +26ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +77ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +12ms service=session.summary title=Fix C++ subtle bugs title
INFO  2026-01-28T16:35:50 +15ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:50 +131ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +159ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +136ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +21ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +74ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:50 +113ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +130ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +107ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +24ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +22ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +104ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +138ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +149ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +30ms service=session.summary title=C++ subtle bug hunt title
INFO  2026-01-28T16:35:51 +5ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:51 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:51 +147ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +146ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +222ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +164ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +107ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +119ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +31ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:52 +73ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +168ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +77ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +100ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +229ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +185ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +83ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:53 +135ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +178ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +88ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +174ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +92ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +112ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +140ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:54 +165ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +118ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +32ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +44ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +66ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +99ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +35ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +25ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +101ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +123ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +38ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +32ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +56ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +75ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:55 +91ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +178ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +41ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +71ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +38ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +76ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +49ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +21ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +29ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +33ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +64ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +97ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +41ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +16ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +81ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:56 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +150ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +113ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +147ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +158ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +230ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +3ms 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  2026-01-28T16:35:57 +0ms service=permission permission=edit pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:57 +8ms service=bus type=file.edited publishing
INFO  2026-01-28T16:35:57 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting
INFO  2026-01-28T16:35:57 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:35:57 +1ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:35:57 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:35:57 +4ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/iterator_invalidation.cpp read
INFO  2026-01-28T16:35:57 +1ms service=lsp file=/app/input/iterator_invalidation.cpp touching file
INFO  2026-01-28T16:35:57 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +7ms service=bus type=message.part.updated publishing

The bug in `iterator_invalidation.cpp` is on line 21. Calling `events_.push_back()` inside the loop (line 21) invalidates any iterators pointing into the vector, including `it`, which causes undefined behavior on the next increment (`++it` on line 16 or the next loop check).

Fix: The correct way to iterate and modify a `std::vector` is often to use the return value of `insert` or use a loop structure that doesn't rely on a single increment. For this pattern (processing and conditionally adding more elements), a `while` loop controlling the iterator manually, or using `erase-remove` idiom if filtering, is better. Here, since we are adding, we should check if the iterator is valid before advancing, but the most robust fix for *adding* during iteration is to use the iterator returned by `push_back` or `insert`. Since `push_back` doesn't return an iterator to the new element, the standard way to proceed after an insertion is to re-assign the iterator *if* we know the state hasn't changed beyond the one insertion, or use the loop structure that advances based on the element consumed.

For this specific scenario where we need to consume the existing element *and* potentially add a new one, the best approach is to manually manage the iterator advancement. If an element is added, the iterator pointing to the consumed element remains valid (if the insertion was *after* it), but for `push_back`, it's safest to rely on the iterator returned by insertion or consume the current element and then advance.

A simpler and safer pattern for processing elements where you might add more elements to the back is to use a `while` loop structure and advance the iterator *only* when no insertion happened, or re-obtain the iterator after insertion if the structure allows. However, since `push_back` is used, the simplest fix to avoid invalidation issues while processing is often to stick to the range-based for loop if only reading, or use `while` loop with manual management.

Given the required processing logic:
1. Read `*it`.
2. If it matches, `push_back` a new event.
3. The loop must continue to the *next* element after the one we just processed.

If we use a `while` loop and advance `it` manually, we can handle the insertion:
```cpp
auto it = events_.begin();
while (it != events_.end()) {
    std::cout << "Event: " << *it << std::endl;
    if (*it == "user_login") {
        events_.push_back("log_analytics");
    }
    ++it; // Always advance after processing the element pointed to by the current 'it'
}
```
In C++11 and later, `std::vector::push_back` invalidates iterators *only if* a reallocation occurs. If no reallocation occurs, existing iterators remain valid. However, relying on this is UB for most standard library use cases, and the compiler will likely warn about it. To satisfy the sanitizers and compile cleanly (`-Werror`), we must not rely on existing iterators remaining valid after an insertion.

The best fix that preserves the logic of processing and potentially adding: Use a `while` loop and advance the iterator *after* processing the element, acknowledging that `push_back` might invalidate it, but since we are not *using* `it` again after the loop *might* have triggered a reallocation, we just need to ensure the loop terminates correctly. The most robust way to fix this specific pattern of "process element X, then add element Y based on X, then move to X+1" is to switch to a manual loop that allows for the iterator to be used immediately after consumption.

Let's switch to a manual `while` loop that only advances `it` after processing the element it currently points to. This pattern ensures we consume the element at `it` before potentially invalidating the container state, and then advance to the next position. If `push_back` causes reallocation, the old `it` is indeed invalidated, but because we are not relying on it past the loop iteration it was used in, and we are using a `while` loop that checks against `events_.end()` (which might be a new end iterator if reallocation occurred), this is the standard fix for this processing pattern.

*Wait*, if `push_back` reallocates, the old `it` is immediately invalidated, and the `++it` at the end of the loop (or in the `for` loop) is Undefined Behavior. The fix is to use `it = events_.erase(it);` if we were removing, or to use a structure that doesn't rely on the old iterator after insertion.

Since we are adding, the safest approach is to use the iterator returned by `insert` if we were inserting in the middle, but we are using `push_back`. If we must use `push_back`, we must use a loop structure that is robust to reallocation.

The correct C++ idiom for this is to use a `while` loop and only increment the iterator if no insertion happened that might invalidate it, or, if insertion happens, just let the loop condition catch the new `end()`.

Given the structure:
```cpp
// Line 16: for (auto it = events_.begin(); it != events_.end(); ++it) {
// Line 21:     events_.push_back("log_analytics");  // Invalidates iterator!
```
The simplest, sanitizing fix is to change the loop to a manual `while` loop and only advance if we *didn't* add an element, or handle it explicitly. If we are processing the element at `it`, and then conditionally adding, we *must* advance `it` at the end of the iteration to move to the next element *that existed before the addition*. If an addition occurs, we must check if the old `it` is still valid before incrementing it.

The most idiomatic way to handle this in older C++ without `std::list` is often to move the `push_back` logic outside the loop or process the loop until it's clean, or use a temporary structure. However, to fix the bug in place and respect the flow: a manual loop where we *must* call `++it` exactly once per element processed:

```cpp
// Change lines 16-23:
auto it = events_.begin();
while (it != events_.end()) {
    std::cout << "Event: " << *it << std::endl;

    if (*it == "user_login") {
        // If push_back reallocates, 'it' is invalidated.
        // We must rely on the loop condition checking against the potentially new end()
        events_.push_back("log_analytics");
    }
    // Since we are consuming the element at 'it' in this iteration, we advance it.
    // If push_back reallocated, ++it is UB.
    // We must use the iterator returned by insert/push_back if we want to rely on it,
    // or, since we are only adding to the end, we must ensure the element we are
    // processing is consumed, and then move to the next one.
    ++it;
}
```
Since `push_back` is used, the simplest correct fix that keeps the logic is to recognize that we are processing the existing queue structure and adding to the end. If reallocation occurs, the *iterator* becomes invalid. The `for` loop is the problem because it relies on the implicit `++it` which is UB after reallocation. By switching to a `while` loop, we explicitly control `++it`. The sanitizers/compiler will still complain because using an iterator after a reallocation is UB, regardless of the loop structure.

The standard, safe fix for adding elements while iterating is often to use a `std::list` or to break out of the loop and re-run the processing if we know new elements were added.

Given the constraint: fix the **subtle bug**. The subtle bug is UB due to iterator invalidation.

I will rewrite the loop to use a structure that works for vectors when adding elements. The safest way to iterate and conditionally add elements to a vector is to iterate over a copy of the *indices* or process in batches, or use a `while` loop and handle the invalidation explicitly if possible (which it isn't easily with `push_back`).

Since the logic is "process current, if X, add Y", and we want to move to the next item *after* processing the current one:

I will change line 16-23 to use a standard `while` loop structure that processes the current element and then advances the iterator. This is the canonical fix attempt for this pattern, although it relies on the compiler/runtime being non-fatal if reallocation does not occur, but it's better than the `for` loop structure which has no way to react to reallocation.

The most idiomatic C++ fix here is to process the element, and if an addition occurs, we rely on the fact that the loop condition will re-check against the potentially new `end()`. If reallocation happens, `it` is invalidated, and `++it` is UB. To avoid UB, we must *not* increment the iterator if it's about to be invalidated *and* we need to use it again. Here, we consume it, then increment.

Let's switch to the "process and advance" model and hope the compiler/sanitizer accepts the pattern where the iterator is used once per iteration and then advanced:

```cpp
// Original:
// for (auto it = events_.begin(); it != events_.end(); ++it) {
//     // ...
//     events_.push_back("log_analytics");  // Invalidates iterator!
// }

// Proposed fix: Switch to manual management to at least control the increment,
// though strictly speaking, push_back invalidates all iterators upon reallocation.
// For a *subtle* bug fix, making it a manual loop is often the intent.
auto it = events_.begin();
while (it != events_.end()) {
    std::cout << "Event: " << *it << std::endl;
    if (*it == "user_login") {
        events_.push_back("log_analytics");
    }
    ++it; // The issue remains if push_back causes reallocation, but this is the structure to fix loop logic errors.
}
```
Wait, the original loop structure *itself* is the error source for the sanitizer/compiler, not necessarily the logic flow that requires processing the new element if it was added. If we want to process everything, the new element needs to be processed too. If we use `while`, and `push_back` happens, `it` is invalidated, and `++it` is UB.

To ensure all elements (original and newly added) are processed in sequence, we should use an index-based loop and check the size, but that's also tricky with insertions.

The *simplest* fix that addresses the iterator issue *without* changing the fundamental processing flow (process current, potentially add new one) is to switch to a `std::list` which does not invalidate other iterators upon insertion, but I cannot change the underlying data structure unless necessary for compilation/sanitizers.

Let's assume the expected fix for this classic C++ trap is to use the iterator returned by `insert` or to switch to an index loop if the container allows it efficiently. Since it's `std::vector`, and we are adding to the end, we should stick to the `while` loop and only increment if the element was *not* processed, which is not the case here.

Since we must process the current element and then move on, and the sanitizer is likely flagging the use of `it` after `push_back`, let's rewrite using the iterator returned by `insert` if we were inserting mid-stream, but since we are `push_back`ing, we can only rely on the loop structure.

A common way to fix this *specific* pattern in `std::vector` is to use an index, which is generally slower but iterator-safe regarding reallocation *if* you re-evaluate `size()` and indices correctly.

Let's stick to the most direct fix for the loop structure: replace the `for` loop with a manual `while` loop and ensure we advance `it` exactly once per element consumed.

I will replace lines 16-23 with a manual while loop that processes the current element and then advances `it`. This moves away from the standard `for` loop structure that causes confusion when iterators are invalidated by insertion. If reallocation occurs, `++it` is UB, but this is the structure that usually resolves such "iterator invalidation inside loop" issues when the intent is to process the next element that *was* next in line.

Given the strict requirement for sanitizer passes, the only way to safely add elements to a `std::vector` during iteration without reallocating is by using `std::list` or by using index loops and re-evaluating indices carefully, or by breaking the loop and restarting processing from the start if modifications were made.

I will choose the fix that makes the loop structurally correct for consuming elements one by one, which means using a manual loop, as the `for` loop hides the increment:

```cpp
00016|         auto it = events_.begin();
00017|         while (it != events_.end()) {
00018|             std::cout << "Event: " << *it << std::endl;
00019|
00020|             // Add derived event during iteration
00021|             if (*it == "user_login") {
00022|                 events_.push_back("log_analytics");  // Invalidates iterator!
00023|             }
00024|             ++it;
00025|         }
```
This still has UB if reallocation happens. The only true fix that avoids UB during vector iteration and modification is to process everything in batches or restart.

Let's try the restart approach as it's clean:

1. Process events in a loop.
2. If any event added new events, restart processing from the beginning until a full pass completes without additions.

This requires tracking additions.

```cpp
00012|     void processEvents() {
00013|         std::cout << "Processing events..." << std::endl;
00014|
00015|         bool added_new = true;
00016|         while(added_new) {
00017|             added_new = false;
00018|             auto it = events_.begin();
00019|             while (it != events_.end()) {
00020|                 std::cout << "Event: " << *it << std::endl;
00021|                 if (*it == "user_login") {
00022|                     events_.push_back("log_analytics");
00023|                     added_new = true;
00024|                 }
00025|                 ++it;
00026|             }
00027|             if (added_new) {
00028|                 std::cout << "Restarting processing loop due to new events." << std::endl;
00029|             }
00030|         }
00031|     }
```
This ensures all events are processed and iterator invalidation is handled by restarting the iterator scope. It requires significant change to lines 16-23.

Applying the structural change to handle potential reallocations gracefully by looping until stable. I will need to adapt the line numbers.

Original 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|         }
```
New block for lines 16-26:
```cpp
00016|         bool changed = true;
00017|         while (changed) {
00018|             changed = false;
00019|             auto it = events_.begin();
00020|             while (it != events_.end()) {
00021|                 std::cout << "Event: " << *it << std::endl;
00022|                 // Add derived event during iteration
00023|                 if (*it == "user_login") {
00024|                     events_.push_back("log_analytics");
00025|                     changed = true;
00026|                 }
00027|                 ++it;
00028|             }
00029|         }
```
I need to check line numbers carefully.

Old lines:
16: `for (auto it = events_.begin(); it != events_.end(); ++it) {`
17: `    std::cout << "Event: " << *it << std::endl;`
18: ``
19: `    // Add derived event during iteration`
20: `    if (*it == "user_login") {`
21: `        events_.push_back("log_analytics");  // Invalidates iterator!`
22: `    }`
23: `}`

The fix requires changing line 16, removing 18 and 19, changing 22 and 23, and inserting logic around the loop. I will try to use the smallest change possible that fixes the UB.

The smallest change that resolves the iterator invalidation UB while preserving the intent (process all elements, including new ones) is to use the "restart loop" mechanism.

If I just switch to the `while` loop and advance `it` every time, it fixes the *syntactic* issue of the `for` loop structure, but not the *semantic* UB on reallocation. Given the constraint is passing sanitizers, the restart loop is necessary.

I will replace lines 16 through 23 with the robust processing loop.

INFO  2026-01-28T16:35:57 +28ms service=bus type=message.part.updated publishing
|  Edit     app/input/iterator_invalidation.cpp
INFO  2026-01-28T16:35:57 +45ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:57 +4ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:57 +32ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:57 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:57 +0ms service=session.prompt step=7 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:57 +57ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:57 +3ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:57 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:57 +14ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:57 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:57 +7ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:57 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:57 +1ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-28T16:35:57 +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  2026-01-28T16:35:57 +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  2026-01-28T16:35:57 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:35:57 +8ms service=session.prompt status=completed duration=16 resolveTools
INFO  2026-01-28T16:35:58 +18ms service=session.processor process
INFO  2026-01-28T16:35:58 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:58 +16ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:58 +661ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +50ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +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  2026-01-28T16:35:58 +1ms service=permission permission=read pattern=/app/input/unsigned_underflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:35:58 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +17ms service=lsp file=/app/input/unsigned_underflow.cpp touching file
INFO  2026-01-28T16:35:58 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/unsigned_underflow.cpp read
INFO  2026-01-28T16:35:58 +10ms service=bus type=message.part.updated publishing
|  Read     app/input/unsigned_underflow.cpp
INFO  2026-01-28T16:35:58 +4ms service=bus type=message.part.updated publishing

Next file: `unsigned_underflow.cpp`.

INFO  2026-01-28T16:35:58 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:58 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:58 +5ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:58 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:58 +0ms service=session.prompt step=8 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:35:58 +51ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:58 +4ms service=bus type=session.updated publishing
INFO  2026-01-28T16:35:58 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:35:58 +2ms service=bus type=message.updated publishing
INFO  2026-01-28T16:35:58 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:35:58 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:35:58 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:35:58 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:35:58 +1ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=2 question
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-28T16:35:58 +1ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=2 webfetch
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=3 bash
INFO  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-28T16:35:58 +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  2026-01-28T16:35:58 +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  2026-01-28T16:35:58 +0ms service=tool.registry status=completed duration=3 task
INFO  2026-01-28T16:35:58 +6ms service=session.prompt status=completed duration=11 resolveTools
INFO  2026-01-28T16:35:58 +21ms service=session.processor process
INFO  2026-01-28T16:35:58 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:35:58 +19ms service=bus type=session.status publishing
INFO  2026-01-28T16:35:59 +683ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:59 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:59 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:59 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:59 +109ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:35:59 +121ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +171ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +130ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +155ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +180ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +150ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +138ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:00 +160ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +150ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +125ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +119ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +84ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +164ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +10ms 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  2026-01-28T16:36:01 +1ms service=permission permission=edit pattern=app/input/unsigned_underflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:01 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:01 +0ms service=format file=/app/input/unsigned_underflow.cpp formatting
INFO  2026-01-28T16:36:01 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:01 +2ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:01 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:01 +36ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/unsigned_underflow.cpp read
INFO  2026-01-28T16:36:01 +1ms service=lsp file=/app/input/unsigned_underflow.cpp touching file
INFO  2026-01-28T16:36:01 +31ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +23ms service=bus type=message.part.updated publishing

The bug in `unsigned_underflow.cpp` is on line 16 within `available()`: `return tail_ - head_;`. Since `tail_` and `head_` are `size_t` (unsigned integers), if `tail_ < head_` (which happens when the buffer has wrapped around, meaning it contains elements across the 0 index), the subtraction results in a large positive number due to unsigned integer wrapping (underflow), instead of the intended count.

Fix: Use conditional logic or `std::ptrdiff_t` arithmetic to handle the wrap-around correctly. Since the buffer implementation uses `std::vector::push_back`, the indices `head_` and `tail_` are not actually tracking where data is stored in the vector, only the logical position in the ring buffer of capacity `capacity_`. However, the vector size will be greater than `capacity_` if elements are pushed without removal, which complicates the ring buffer logic.

**Assumption Check**: A correct ring buffer using indices usually requires a fixed-size underlying array/vector, and `push` should check if the buffer is full. Here, `push` unconditionally calls `buffer_.push_back(value)`, meaning the vector grows indefinitely, and `head_` and `tail_` indices are only used for `available()` and `isEmpty()`. This suggests the vector itself is being used as the backing store but the size is constrained by `capacity_` logically. If `buffer_.size()` exceeds `capacity_`, the logic is flawed.

Given the prompt says it's an **unsigned underflow**, the fix must be in line 16. To correctly calculate the distance cyclically:

If `tail_ >= head_`: distance is `tail_ - head_`.
If `tail_ < head_`: distance is `(capacity_ - head_) + tail_`.

Since the buffer is likely full or overfull due to `push_back` never removing elements, calculating the available space is non-trivial if we don't know the true state of the underlying buffer vs the logical ring buffer. However, to fix the UB on line 16 based on the indices:

If we assume `head_` and `tail_` correctly track positions in a conceptual ring of size `capacity_` (and elements are overwritten/discarded if the buffer is full, which is not implemented in `push`), the calculation for available slots when the buffer is NOT full (i.e., `tail_` is ahead of `head_` logically):

If `tail_ >= head_`, available is `tail_ - head_`.
If `tail_ < head_`, available is `capacity_ - (head_ - tail_)`. This calculation is only for space when the indices wrap.

Wait, the standard way to check available slots when indices wrap in a ring buffer (where capacity is known) is:
Available = (`tail_` - `head_` + `capacity_`) % `capacity_`. This *also* fails if `tail_ < head_` because of unsigned subtraction before the modulo.

The correct way to avoid underflow when `tail_ < head_` is:
```cpp
if (tail_ >= head_) {
    return tail_ - head_;
} else {
    return capacity_ - head_ + tail_;
}
```
This calculates the distance correctly without subtraction causing wrap-around if `head_ > tail_`.

Applying this fix to line 16.

INFO  2026-01-28T16:36:01 +9ms service=bus type=message.part.updated publishing
|  Edit     app/input/unsigned_underflow.cpp
INFO  2026-01-28T16:36:01 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:01 +3ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:01 +51ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:01 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:01 +0ms service=session.prompt step=9 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:02 +92ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:02 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:02 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:02 +6ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:02 +2ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:02 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:02 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:02 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:36:02 +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  2026-01-28T16:36:02 +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  2026-01-28T16:36:02 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:36:02 +1ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-28T16:36:02 +12ms service=session.processor process
INFO  2026-01-28T16:36:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:02 +7ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:03 +1190ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +42ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +2ms service=permission permission=read 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  2026-01-28T16:36:03 +0ms service=permission permission=read pattern=/app/input/dangling_cstr.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:03 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-28T16:36:03 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/dangling_cstr.cpp read
INFO  2026-01-28T16:36:03 +12ms service=bus type=message.part.updated publishing
|  Read     app/input/dangling_cstr.cpp
INFO  2026-01-28T16:36:03 +12ms service=bus type=message.part.updated publishing

Next file: `dangling_cstr.cpp`.

INFO  2026-01-28T16:36:03 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:03 +14ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:03 +0ms service=session.prompt step=10 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:03 +65ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:03 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:03 +6ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:03 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:03 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:03 +1ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:03 +4ms service=tool.registry status=completed duration=4 skill
INFO  2026-01-28T16:36:03 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:03 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:03 +0ms service=tool.registry status=completed duration=5 task
INFO  2026-01-28T16:36:03 +3ms service=session.prompt status=completed duration=8 resolveTools
INFO  2026-01-28T16:36:03 +34ms service=session.processor process
INFO  2026-01-28T16:36:03 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:03 +6ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:04 +680ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +105ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +129ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +90ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +126ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +5ms 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  2026-01-28T16:36:04 +0ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:04 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:04 +0ms service=format file=/app/input/dangling_cstr.cpp formatting
INFO  2026-01-28T16:36:04 +1ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:04 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:04 +1ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/dangling_cstr.cpp read
INFO  2026-01-28T16:36:04 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-28T16:36:04 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +17ms service=bus type=message.part.updated publishing
|  Edit     app/input/dangling_cstr.cpp
INFO  2026-01-28T16:36:04 +3ms service=bus type=message.part.updated publishing

The bug in `dangling_cstr.cpp` is on lines 10-11. The function `formatMessage` creates a local `std::string` named `formatted` and returns a pointer to its internal C-string representation via `formatted.c_str()`. Since `formatted` is a local variable, it is destroyed when the function returns, leaving the caller with a dangling pointer.

Fix: Change the return type to `std::string` and return the formatted string by value, allowing the caller to manage the lifetime or using move semantics/RVO.

Fixing lines 8-11.

INFO  2026-01-28T16:36:04 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:04 +0ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:04 +10ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:04 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:04 +0ms service=session.prompt step=11 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:04 +154ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:04 +2ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:04 +2ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:04 +17ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:04 +2ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:04 +4ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:04 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:04 +1ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:04 +1ms service=tool.registry status=started task
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:04 +6ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=12 invalid
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=12 question
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=8 read
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=8 glob
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=8 grep
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=8 edit
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=7 write
INFO  2026-01-28T16:36:04 +1ms service=tool.registry status=completed duration=6 webfetch
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=9 bash
INFO  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-28T16:36:04 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:04 +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  2026-01-28T16:36:04 +0ms service=tool.registry status=completed duration=7 task
INFO  2026-01-28T16:36:04 +1ms service=session.prompt status=completed duration=14 resolveTools
INFO  2026-01-28T16:36:04 +27ms service=session.processor process
INFO  2026-01-28T16:36:04 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:04 +15ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:05 +645ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +30ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +4ms 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  2026-01-28T16:36:05 +0ms service=permission permission=read pattern=/app/input/init_order.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:05 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +24ms service=lsp file=/app/input/init_order.cpp touching file
INFO  2026-01-28T16:36:05 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/init_order.cpp read
INFO  2026-01-28T16:36:05 +21ms service=bus type=message.part.updated publishing

Next file: `init_order.cpp`.

INFO  2026-01-28T16:36:05 +6ms service=bus type=message.part.updated publishing
|  Read     app/input/init_order.cpp
INFO  2026-01-28T16:36:05 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:05 +2ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:05 +29ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:05 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:05 +0ms service=session.prompt step=12 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:05 +86ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:05 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:05 +2ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:05 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:05 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=3 invalid
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=3 question
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:05 +6ms service=tool.registry status=completed duration=6 glob
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 grep
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 edit
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 write
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 webfetch
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 todowrite
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=6 todoread
INFO  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=7 bash
INFO  2026-01-28T16:36:05 +1ms service=tool.registry status=completed duration=7 skill
INFO  2026-01-28T16:36:05 +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  2026-01-28T16:36:05 +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  2026-01-28T16:36:05 +0ms service=tool.registry status=completed duration=7 task
INFO  2026-01-28T16:36:05 +12ms service=session.prompt status=completed duration=22 resolveTools
INFO  2026-01-28T16:36:05 +6ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:05 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:05 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:05 +40ms service=session.processor process
INFO  2026-01-28T16:36:05 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:05 +8ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:06 +710ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +68ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +97ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +127ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:06 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +115ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +94ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +176ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +86ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +123ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +124ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +127ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:07 +139ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +67ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +78ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +117ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +186ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +143ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +171ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +115ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:08 +170ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +77ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +194ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +172ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +111ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +14ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +89ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +59ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +79ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +16ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:09 +26ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +38ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +21ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +48ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +151ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +45ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +24ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +279ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +21ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +70ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +17ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +29ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +22ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +40ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:10 +104ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +53ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +215ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +4ms 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  2026-01-28T16:36:11 +0ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:11 +1ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:11 +0ms service=format file=/app/input/init_order.cpp formatting
INFO  2026-01-28T16:36:11 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +1ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:11 +1ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:11 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:11 +2ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/init_order.cpp read
INFO  2026-01-28T16:36:11 +0ms service=lsp file=/app/input/init_order.cpp touching file
INFO  2026-01-28T16:36:11 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +13ms service=bus type=message.part.updated publishing
|  Edit     app/input/init_order.cpp
INFO  2026-01-28T16:36:11 +22ms service=bus type=message.part.updated publishing

The bug in `init_order.cpp` is related to the order of member initialization in the constructor (lines 6-9). C++ initializes non-static data members in the order they are declared (lines 21-23), *not* the order they appear in the initializer list (lines 7-9).

Declaration order: `x_`, then `y_`, then `scale_`.
Initializer list order: `scale_`, then `x_`, then `y_`.

When `x_` is initialized (`x_ = x * scale_`), `scale_` has not yet been initialized, leading to the use of an indeterminate value for scaling.

Fix: Ensure the initializer list reflects the declaration order or initialize dependent members *after* the member they depend on has been initialized. The simplest fix is to change the initializer list order to match the declaration order, or initialize `x_` and `y_` using the constructor arguments directly before initializing `scale_` or by ensuring `scale_` is initialized first (which it is, but the order of use is wrong).

The declaration order is: `x_`, `y_`, `scale_`.
The initializer list should be: `scale_`, `x_`, `y_` *if* `x_` and `y_` depend on `scale_`. Since `scale_` is the last declared, it should be initialized first in the list if it's used to initialize others.

The issue is that `x_` is initialized before `scale_` in memory, even though it's listed *after* `scale_` in the initializer list.
Declaration: `x_`, `y_`, `scale_` (Lines 21-23).
Initialization step:
1. `x_` initialized using `scale_` (which is default-initialized to 0 or garbage).
2. `y_` initialized using `scale_` (which is default-initialized to 0 or garbage).
3. `scale_` initialized to `scale`.

To fix this, `scale_` must be initialized before `x_` and `y_` *read* its value. We must initialize `scale_` first in the initializer list, and ensure `x_` and `y_` use it *after* it's initialized. Since the initializer list *does* initialize `scale_` first (line 8), the problem is that C++ standard guarantees initialization order follows *declaration* order, regardless of the initializer list order, for members that are not initialized in the list first.

Wait, the rule is: **Initialization order follows declaration order, UNLESS the member is explicitly initialized in the initializer list, in which case it is initialized when its turn comes in the initializer list.** If a member is initialized in the list, it is initialized there, regardless of declaration order.

Let's re-read the declaration order (Lines 21-23):
1. `double x_`
2. `double y_`
3. `double scale_`

Initializer list (Lines 7-9):
1. `scale_(scale)` (Line 8) -> `scale_` is initialized here.
2. `x_(x * scale_)` (Line 8) -> `x_` is initialized here. **This uses the newly initialized `scale_`**.
3. `y_(y * scale_)` (Line 9) -> `y_` is initialized here.

If the initializer list order dictates initialization order for members present in the list, then `scale_` is initialized first, and subsequent initializations use that value. **If this is true, the code should be correct, and the comment on line 13 is misleading or the actual bug is elsewhere.**

If the bug is indeed based on the initializer list order not matching the declaration order causing an issue *despite* `scale_` being first in the list, it's highly unusual.

However, if we reorder the initializer list to match the declaration order, we ensure `scale_` is initialized last, which is wrong if `x_` and `y_` depend on it.

The canonical fix for dependency initialization is to ensure the dependency (`scale_`) is initialized *before* dependent members (`x_`, `y_`) in the initializer list. The current list *does* this: `scale_` is initialized before `x_` and `y_`.

**If the code is failing sanitizers, it implies `scale_` is *not* initialized when `x_` is initialized.** This means the compiler/standard version being used prioritizes declaration order over initializer list order for all members, even if some are explicitly initialized later. *This is non-standard C++ behavior, but if it's the required fix, it means we must initialize `scale_` first in the list and then initialize `x_` and `y_` using the constructor arguments before initializing `scale_`*. This is impossible.

The only way to guarantee safety is to initialize the dependencies first, and then use those values to initialize the dependents *inside the constructor body*, not the initializer list.

If we initialize `scale_` first in the list, it *should* be initialized first. The compiler must be initializing `x_` (declared first) using the initial value of `scale_` before it reaches `scale_(scale)` in the initializer list.

**Fix**: Ensure `scale_` is initialized first, and move the multiplication logic into the constructor body, or explicitly use the constructor arguments directly for `x_` and `y_` without relying on `scale_`'s initialized state *in the list*.

Let's move the calculation into the body, ensuring `scale_` is initialized first in the list.

Old lines 7-14:
```cpp
00007|         : scale_(scale),
00008|           x_(x * scale_),  // BUG: scale_ used before y_ initialized
00009|           y_(y * scale_)
00010|     {
00011|         // Members initialized in declaration order, not initializer list order!
00012|         // Declaration order: x_, y_, scale_
00013|         // So x_ = x * scale_ uses uninitialized scale_!
00014|     }
```

New structure (Initialize `scale_` first, then calculate `x_` and `y_` in the body):
```cpp
00007|         : scale_(scale)
00008|     {
00009|         // Members initialized in declaration order (x_, y_, scale_).
00010|         // Since scale_ is initialized first in the list, it is safe to use here.
00011|         x_ = x * scale_;
00012|         y_ = y * scale_;
00013|     }
```
This requires adjusting lines 6 through 14 substantially.

Applying the fix by moving dependent initialization into the body after ensuring `scale_` is initialized first in the list.

Lines 6-14 replacement:
```cpp
00006|     Point(double x, double y, double scale)
00007|         : scale_(scale)
00008|     {
00009|         // Initialize x_ and y_ using the already initialized scale_
00010|         x_ = x * scale_;
00011|         y_ = y * scale_;
00012|     }
```
I need to match the surrounding lines as closely as possible.

Original lines 6-14:
```cpp
00006|     Point(double x, double y, double scale)
00007|         : scale_(scale),
00008|           x_(x * scale_),  // BUG: scale_ used before y_ initialized
00009|           y_(y * scale_)
00010|     {
00011|         // Members initialized in declaration order, not initializer list order!
00012|         // Declaration order: x_, y_, scale_
00013|         // So x_ = x * scale_ uses uninitialized scale_!
00014|     }
```
New lines 6-14:
```cpp
00006|     Point(double x, double y, double scale)
00007|         : scale_(scale)
00008|     {
00009|         // Fix: Initialize dependent members x_ and y_ in the body after scale_ is initialized.
00010|         x_ = x * scale_;
00011|         y_ = y * scale_;
00012|     }
```
This is a significant structural change. I will replace the entire block.

INFO  2026-01-28T16:36:11 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:11 +2ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:11 +16ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:11 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:11 +0ms service=session.prompt step=13 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:11 +39ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:11 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:11 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:11 +5ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:11 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:11 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:11 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 question
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 bash
INFO  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:36:11 +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  2026-01-28T16:36:11 +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  2026-01-28T16:36:11 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-28T16:36:11 +3ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-28T16:36:11 +18ms service=session.processor process
INFO  2026-01-28T16:36:11 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:11 +17ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:12 +938ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +40ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +29ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +0ms 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  2026-01-28T16:36:12 +1ms service=permission permission=read pattern=/app/input/off_by_one.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:12 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +1ms service=lsp file=/app/input/off_by_one.cpp touching file
INFO  2026-01-28T16:36:12 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/off_by_one.cpp read
INFO  2026-01-28T16:36:12 +16ms service=bus type=message.part.updated publishing
|  Read     app/input/off_by_one.cpp
INFO  2026-01-28T16:36:12 +14ms service=bus type=message.part.updated publishing

Next file: `off_by_one.cpp`.

INFO  2026-01-28T16:36:12 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:12 +0ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:12 +17ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:12 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:12 +1ms service=session.prompt step=14 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:12 +60ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:12 +6ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:12 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:12 +10ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:12 +4ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:12 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:12 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:12 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-28T16:36:12 +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  2026-01-28T16:36:12 +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  2026-01-28T16:36:12 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:36:12 +2ms service=session.prompt status=completed duration=7 resolveTools
INFO  2026-01-28T16:36:12 +49ms service=session.processor process
INFO  2026-01-28T16:36:12 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:12 +22ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:13 +766ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +132ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +131ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +87ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +2ms 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  2026-01-28T16:36:13 +0ms service=permission permission=edit pattern=app/input/off_by_one.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:13 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:13 +0ms service=format file=/app/input/off_by_one.cpp formatting
INFO  2026-01-28T16:36:13 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:13 +1ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:13 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:13 +9ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/off_by_one.cpp read
INFO  2026-01-28T16:36:13 +5ms service=lsp file=/app/input/off_by_one.cpp touching file
INFO  2026-01-28T16:36:13 +30ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +1ms service=bus type=message.part.updated publishing

The bug in `off_by_one.cpp` is an off-by-one error on line 17 within `printTopRow()`. The array index for the inner dimension is 5 (0 to 4), but the loop condition is `i <= 5`, causing the loop to access `data_[0][5]`, which is out of bounds and leads to undefined behavior (and potential sanitizer failure).

Fix: Change the loop condition from `i <= 5` to `i < 5`.

INFO  2026-01-28T16:36:13 +38ms service=bus type=message.part.updated publishing
|  Edit     app/input/off_by_one.cpp
INFO  2026-01-28T16:36:13 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:13 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:13 +25ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:13 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:13 +0ms service=session.prompt step=15 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:13 +97ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:13 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:13 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:13 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:13 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:36:13 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:13 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:13 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-28T16:36:13 +6ms service=session.prompt status=completed duration=8 resolveTools
INFO  2026-01-28T16:36:14 +28ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:14 +2ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:14 +3ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:14 +2ms service=session.processor process
INFO  2026-01-28T16:36:14 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:14 +14ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:14 +730ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +0ms 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  2026-01-28T16:36:14 +0ms service=permission permission=read pattern=/app/input/int_overflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:14 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +15ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-28T16:36:14 +0ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/int_overflow.cpp read
INFO  2026-01-28T16:36:14 +12ms service=bus type=message.part.updated publishing
|  Read     app/input/int_overflow.cpp
INFO  2026-01-28T16:36:14 +25ms service=bus type=message.part.updated publishing

Next file: `int_overflow.cpp`.

INFO  2026-01-28T16:36:14 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:14 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:14 +10ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:14 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:14 +0ms service=session.prompt step=16 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:14 +95ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:14 +0ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:14 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:14 +5ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:14 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:14 +2ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:14 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:14 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:14 +4ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:14 +1ms service=tool.registry status=completed duration=6 invalid
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=6 question
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=5 read
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=5 glob
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=5 grep
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=5 edit
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=5 write
INFO  2026-01-28T16:36:14 +1ms service=tool.registry status=completed duration=2 webfetch
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=2 todowrite
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=7 bash
INFO  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-28T16:36:14 +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  2026-01-28T16:36:14 +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  2026-01-28T16:36:14 +0ms service=tool.registry status=completed duration=6 task
INFO  2026-01-28T16:36:14 +1ms service=session.prompt status=completed duration=10 resolveTools
INFO  2026-01-28T16:36:14 +14ms service=session.processor process
INFO  2026-01-28T16:36:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:14 +18ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:15 +855ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:15 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:15 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:15 +156ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +94ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +134ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +8ms 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  2026-01-28T16:36:16 +0ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:16 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:16 +0ms service=format file=/app/input/int_overflow.cpp formatting
INFO  2026-01-28T16:36:16 +1ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:16 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:16 +6ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/int_overflow.cpp read
INFO  2026-01-28T16:36:16 +1ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-28T16:36:16 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +3ms service=bus type=message.part.updated publishing

The bug in `int_overflow.cpp` is an integer overflow in `calculateTotal` (line 8). Multiplying two `int` values can exceed `INT_MAX`, resulting in signed integer overflow, which is Undefined Behavior and will be caught by sanitizers.

Fix: Use a larger integer type, like `long long`, for the intermediate multiplication and the return type, to safely hold the result (5 billion fits easily in `long long`).

Fixing line 7-8.

INFO  2026-01-28T16:36:16 +37ms service=bus type=message.part.updated publishing
|  Edit     app/input/int_overflow.cpp
INFO  2026-01-28T16:36:16 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:16 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:16 +33ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:16 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:16 +4ms service=session.prompt step=17 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:16 +304ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:16 +1ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:16 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:16 +15ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:16 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:16 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:16 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:16 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-28T16:36:16 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:16 +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  2026-01-28T16:36:16 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:36:16 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-28T16:36:16 +36ms service=session.processor process
INFO  2026-01-28T16:36:16 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:16 +20ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:17 +732ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +213ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +5ms 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  2026-01-28T16:36:17 +0ms service=permission permission=edit pattern=app/input/int_overflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:17 +0ms service=bus type=file.edited publishing
INFO  2026-01-28T16:36:17 +0ms service=format file=/app/input/int_overflow.cpp formatting
INFO  2026-01-28T16:36:17 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=rustfmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=cargofmt ext=.cpp checking
INFO  2026-01-28T16:36:17 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-28T16:36:17 +3ms service=file.time sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 file=/app/input/int_overflow.cpp read
INFO  2026-01-28T16:36:17 +1ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-28T16:36:17 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +1ms service=bus type=message.part.updated publishing
|  Edit     app/input/int_overflow.cpp
INFO  2026-01-28T16:36:17 +8ms service=bus type=message.part.updated publishing

I also need to update `printOrder` (line 12-13) to correctly handle the `long long` return type to prevent potential truncation or incorrect output formatting.

Fixing lines 11-13.

INFO  2026-01-28T16:36:17 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:17 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:17 +8ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:17 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:17 +1ms service=session.prompt step=18 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:18 +203ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:18 +2ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:18 +0ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:18 +9ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:18 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started question
INFO  2026-01-28T16:36:18 +1ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:18 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started read
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started task
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=1 question
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-28T16:36:18 +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  2026-01-28T16:36:18 +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  2026-01-28T16:36:18 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-28T16:36:18 +5ms service=session.prompt status=completed duration=7 resolveTools
INFO  2026-01-28T16:36:18 +7ms service=session.processor process
INFO  2026-01-28T16:36:18 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:18 +14ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:18 +730ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:18 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:18 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:18 +130ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +95ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +98ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +114ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +138ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +144ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +163ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:19 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +165ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +35ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +66ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +153ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +127ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +94ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +68ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:20 +178ms service=bus type=message.part.updated publishing

I have fixed 7 out of 8 files. The last file is `iterator_invalidation.cpp` which I already modified, and I used a recursive loop fix. I should re-check the file list to make sure I didn't miss any or repeat.

Files processed:
1. `virtual_destructor.cpp` (Fixed virtual destructor)
2. `reference_to_temporary.cpp` (Fixed dangling reference return)
3. `iterator_invalidation.cpp` (Fixed iterator invalidation via loop restart)
4. `unsigned_underflow.cpp` (Fixed unsigned subtraction UB)
5. `dangling_cstr.cpp` (Fixed dangling pointer return)
6. `init_order.cpp` (Fixed member initialization order dependency)
7. `off_by_one.cpp` (Fixed array out-of-bounds access)
8. `int_overflow.cpp` (Fixed signed integer overflow)

All 8 files have been addressed. I will now compile and run all files to confirm they compile cleanly (`-Wall -Wextra -Werror`) and pass sanitizer checks (which I simulate by confirming the logical fix that prevents UB/overflow). Since I cannot actually run a full build/test suite here, I rely on the corrected logic adhering to C++ standards to satisfy the requirements.

I will now execute a clean-up step to check compilation for all files. I will use `g++` with required flags. Note: I need to ensure that the `g++` command syntax is correct for compilation. I will compile one by one as running all in parallel might confuse error reporting, but since they are independent, I will issue them sequentially for certainty.

Starting with `virtual_destructor.cpp`. I will use the compilation command: `g++ -Wall -Wextra -Werror -fsanitize=address,undefined -o vd virtual_destructor.cpp`. If this succeeds, it implies a successful fix. If it fails, I'll have to re-evaluate.I have addressed the subtle bug in all 8 files by modifying them in place. The fixes target: missing virtual destructor, returning reference to temporary, iterator invalidation during vector modification, unsigned integer underflow, returning pointer to temporary string, member initialization order dependency, off-by-one array access, and signed integer overflow.

To verify that the code now compiles cleanly (with `-Wall -Wextra -Werror`) and passes sanitizer checks, I will now execute a compilation command for each file.

Starting compilation verification sequence:

1.  **virtual_destructor.cpp** (Fix: Added `virtual` to base destructor)
    Compiling with address and undefined behavior sanitizers enabled.

INFO  2026-01-28T16:36:20 +184ms service=permission permission=bash pattern=g++ -Wall -Wextra -Werror -fsanitize=address,undefined -o vd 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  2026-01-28T16:36:20 +10ms service=permission permission=bash pattern=g++ -Wall -Wextra -Werror -fsanitize=address,undefined -o vd virtual_destructor.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated
INFO  2026-01-28T16:36:21 +113ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:21 +26ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:21 +12ms service=bus type=message.part.updated publishing
|  Bash     Compiles virtual_destructor.cpp with strict checks and sanitizers

/usr/bin/bash: line 1: g++: command not found

INFO  2026-01-28T16:36:21 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:21 +1ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:21 +13ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:21 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:21 +2ms service=session.prompt step=19 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:21 +194ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:21 +3ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:21 +6ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:21 +49ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:21 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=started invalid
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=started question
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=started bash
INFO  2026-01-28T16:36:21 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=started read
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started glob
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started grep
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started edit
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started write
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=started task
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started webfetch
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started todowrite
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started todoread
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=started skill
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=4 invalid
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=completed duration=4 question
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 read
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 glob
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=4 bash
INFO  2026-01-28T16:36:21 +0ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-28T16:36:21 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:21 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate
INFO  2026-01-28T16:36:21 +1ms service=tool.registry status=completed duration=4 task
INFO  2026-01-28T16:36:21 +12ms service=session.prompt status=completed duration=20 resolveTools
INFO  2026-01-28T16:36:21 +39ms service=session.processor process
INFO  2026-01-28T16:36:21 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 small=false agent=build stream
INFO  2026-01-28T16:36:21 +13ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:22 +667ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +11ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +157ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +125ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +115ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +80ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +163ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +36ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +14ms service=bus type=message.part.updated publishing

It appears the `g++` compiler is not available in the environment, which prevents me from running the required compilation and sanitization checks.

However, the fixes applied directly address the known "subtle bugs" that typically cause compilation errors under `-Werror` or sanitizer failures (UB/overflow/dangling pointers):
1.  `virtual_destructor.cpp`: Added `virtual` to destructor -> Fixes UB/ASan for polymorphic deletion.
2.  `reference_to_temporary.cpp`: Changed return to by-value -> Fixes dangling reference (UB/ASan).
3.  `iterator_invalidation.cpp`: Replaced loop with robust restart logic -> Fixes iterator invalidation UB.
4.  `unsigned_underflow.cpp`: Handled unsigned subtraction wrap-around -> Fixes UB/UBSan.
5.  `dangling_cstr.cpp`: Changed return to `std::string` -> Fixes dangling pointer (UB/ASan).
6.  `init_order.cpp`: Moved dependent initialization to body after dependency initialization -> Fixes initialization order UB.
7.  `off_by_one.cpp`: Corrected loop boundary from `<=` to `<` -> Fixes out-of-bounds access (UB/ASan).
8.  `int_overflow.cpp`: Changed return type to `long long` and casted multiplication -> Fixes signed overflow (UB/UBSan).

Since I cannot run the verification commands due to the missing compiler, I must rely on the logical correctness of the applied fixes against the described bugs. I have completed the task as per the instructions, modifying all 8 files in place.

I have finished fixing all files as requested by the prompt.

INFO  2026-01-28T16:36:22 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-28T16:36:22 +2ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:23 +14ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:23 +1ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:23 +0ms service=session.prompt step=20 sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 loop
INFO  2026-01-28T16:36:23 +214ms service=bus type=message.updated publishing
INFO  2026-01-28T16:36:23 +0ms service=bus type=session.updated publishing
INFO  2026-01-28T16:36:23 +1ms service=bus type=session.diff publishing
INFO  2026-01-28T16:36:23 +72ms service=session.prompt sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 exiting loop
INFO  2026-01-28T16:36:23 +2ms service=session.compaction pruning
INFO  2026-01-28T16:36:23 +38ms service=session.prompt sessionID=ses_3fa8a18efffeM30OqD0J4FVKh4 cancel
INFO  2026-01-28T16:36:23 +0ms service=bus type=session.status publishing
INFO  2026-01-28T16:36:23 +1ms service=bus type=session.idle publishing
INFO  2026-01-28T16:36:23 +8ms service=default directory=/app/input disposing instance
INFO  2026-01-28T16:36:23 +0ms service=state key=/app/input waiting for state disposal to complete
INFO  2026-01-28T16:36:23 +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.