/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_20260112_150043/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: 4b0a3ec8
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 151 models to OpenCode configuration
Added openrouter standard provider with 348 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  2026-01-12T16:04:07 +616ms service=default version=1.0.212 args=["run","--print-logs"] opencode
INFO  2026-01-12T16:04:07 +1ms service=default directory=/app/input creating instance
INFO  2026-01-12T16:04:07 +1ms service=project directory=/app/input fromDirectory
INFO  2026-01-12T16:04:07 +25ms service=storage index=0 running migration
ERROR 2026-01-12T16:04:07 +8ms service=storage index=0 failed to run migration
INFO  2026-01-12T16:04:07 +9ms service=storage index=1 running migration
INFO  2026-01-12T16:04:07 +9ms service=default directory=/app/input bootstrapping
INFO  2026-01-12T16:04:07 +20ms service=config path=/home/cubbi/.config/opencode/config.json loading
INFO  2026-01-12T16:04:07 +35ms service=config path=/home/cubbi/.config/opencode/opencode.json loading
INFO  2026-01-12T16:04:07 +0ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading
INFO  2026-01-12T16:04:07 +8ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.0.212","--exact"] cwd=/home/cubbi/.config/opencode running
INFO  2026-01-12T16:04:08 +632ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed @opencode-ai/plugin@1.0.212

3 packages installed [614.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [12]
Saved lockfile
 done
INFO  2026-01-12T16:04:08 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","install"] cwd=/home/cubbi/.config/opencode running
INFO  2026-01-12T16:04:08 +13ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd)

Checked 3 installs across 4 packages (no changes) [2.00ms]
 stderr= done
INFO  2026-01-12T16:04:08 +11ms service=plugin path=opencode-copilot-auth@0.0.9 loading plugin
INFO  2026-01-12T16:04:08 +1ms service=bun pkg=opencode-copilot-auth version=0.0.9 installing package using Bun's default registry resolution
INFO  2026-01-12T16:04:08 +1ms 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@0.0.9"] cwd=/home/cubbi/.cache/opencode running
INFO  2026-01-12T16:04:08 +190ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

installed opencode-copilot-auth@0.0.9

1 package installed [177.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [4]
Saved lockfile
 done
INFO  2026-01-12T16:04:08 +7ms service=plugin path=opencode-anthropic-auth@0.0.5 loading plugin
INFO  2026-01-12T16:04:08 +1ms service=bun pkg=opencode-anthropic-auth version=0.0.5 installing package using Bun's default registry resolution
INFO  2026-01-12T16:04:08 +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@0.0.5"] cwd=/home/cubbi/.cache/opencode running
INFO  2026-01-12T16:04:09 +1001ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd)

+ opencode-copilot-auth@0.0.9

installed opencode-anthropic-auth@0.0.5

14 packages installed [989.00ms]
 stderr=Resolving dependencies
Resolved, downloaded and extracted [50]
Saved lockfile
 done
INFO  2026-01-12T16:04:09 +57ms service=bus type=* subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=session.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=message.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=session.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=message.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=message.part.updated subscribing
INFO  2026-01-12T16:04:09 +0ms service=bus type=session.diff subscribing
INFO  2026-01-12T16:04:09 +0ms service=format init
INFO  2026-01-12T16:04:09 +0ms service=bus type=file.edited subscribing
INFO  2026-01-12T16:04:09 +1ms service=lsp serverIds=deno, typescript, vue, eslint, oxlint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, fsharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, yaml-ls, lua-ls, php intelephense, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam, clojure-lsp, nixd, tinymist, haskell-language-server enabled LSP servers
INFO  2026-01-12T16:04:09 +4ms service=bus type=command.executed subscribing
INFO  2026-01-12T16:04:09 +49ms service=server method=POST path=/session request
INFO  2026-01-12T16:04:09 +0ms service=server status=started method=POST path=/session request
INFO  2026-01-12T16:04:09 +4ms service=session id=ses_44d0cad60fferfsu2pVb7l3udO version=1.0.212 projectID=global directory=/app/input title=New session - 2026-01-12T16:04:09.503Z time={"created":1768233849503,"updated":1768233849503} created
INFO  2026-01-12T16:04:09 +2ms service=bus type=session.created publishing
INFO  2026-01-12T16:04:09 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:09 +6ms service=server status=completed duration=13 method=POST path=/session request
INFO  2026-01-12T16:04:09 +1ms service=server method=GET path=/config request
INFO  2026-01-12T16:04:09 +0ms service=server status=started method=GET path=/config request
INFO  2026-01-12T16:04:09 +1ms service=server status=completed duration=1 method=GET path=/config request
INFO  2026-01-12T16:04:09 +5ms service=server method=GET path=/event request
INFO  2026-01-12T16:04:09 +0ms service=server status=started method=GET path=/event request
INFO  2026-01-12T16:04:09 +0ms service=server event connected
INFO  2026-01-12T16:04:09 +3ms service=bus type=* subscribing
INFO  2026-01-12T16:04:09 +1ms service=server status=completed duration=4 method=GET path=/event request
INFO  2026-01-12T16:04:09 +7ms service=server method=POST path=/session/ses_44d0cad60fferfsu2pVb7l3udO/message request
INFO  2026-01-12T16:04:09 +1ms service=server status=started method=POST path=/session/ses_44d0cad60fferfsu2pVb7l3udO/message request
INFO  2026-01-12T16:04:09 +5ms service=server status=completed duration=5 method=POST path=/session/ses_44d0cad60fferfsu2pVb7l3udO/message request
INFO  2026-01-12T16:04:09 +29ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:09 +6ms service=provider status=started state
INFO  2026-01-12T16:04:09 +6ms service=models.dev file={} refreshing
INFO  2026-01-12T16:04:09 +34ms service=provider init
INFO  2026-01-12T16:04:09 +11ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:09 +11ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:09 +6ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:09 +0ms service=session.prompt step=0 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:09 +17ms service=provider providerID=openrouter found
INFO  2026-01-12T16:04:09 +0ms service=provider providerID=opencode found
INFO  2026-01-12T16:04:09 +0ms service=provider providerID=litellm found
INFO  2026-01-12T16:04:09 +0ms service=provider status=completed duration=85 state
INFO  2026-01-12T16:04:09 +6ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:09 +1ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-12T16:04:09 +1ms service=provider providerID=openrouter pkg=@ai-sdk/openai-compatible using bundled provider
INFO  2026-01-12T16:04:09 +0ms service=provider status=completed duration=1 providerID=openrouter getSDK
INFO  2026-01-12T16:04:09 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:09 +2ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:09 +3ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:09 +20ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:09 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:09 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:09 +1ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:09 +2ms service=tool.registry status=completed duration=5 invalid
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 read
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 glob
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 grep
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 edit
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 write
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=3 webfetch
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=2 todowrite
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-12T16:04:09 +0ms service=tool.registry status=completed duration=5 bash
INFO  2026-01-12T16:04:09 +1ms service=tool.registry status=completed duration=4 task
INFO  2026-01-12T16:04:09 +9ms service=tool.registry status=completed duration=12 skill
INFO  2026-01-12T16:04:09 +7ms service=session.prompt status=completed duration=45 resolveTools
INFO  2026-01-12T16:04:09 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:09 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:09 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:09 +6ms service=session.processor process
INFO  2026-01-12T16:04:09 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:09 +0ms service=provider status=started providerID=openrouter getSDK
INFO  2026-01-12T16:04:09 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK
INFO  2026-01-12T16:04:09 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:09 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:09 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:09 +2ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:10 +470ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +36ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +107ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +123ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:10 +41ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:10 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:10 +105ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +130ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +42ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +32ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:10 +1ms service=bus type=message.updated publishing
|  Todo     0 todos

This is a multi-file bug-fixing task. I will start by listing all files to confirm their presence and then begin analyzing and fixing each one sequentially. Since I cannot ask for clarification, I must rely on identifying the common C++ subtle bugs mentioned in the file names.

I will use the `todoread` tool first to check if there are any existing tasks, and then list the files present to start the process.

I will then start by creating a comprehensive todo list for all 8 bug fixes, as this is a complex, multi-file task.

First, I will check the existing todo list.

INFO  2026-01-12T16:04:10 +10ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:10 +12ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:10 +0ms service=session.prompt step=1 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:10 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:10 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:10 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:10 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:10 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:10 +8ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:10 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:10 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:10 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:10 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:10 +1ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:10 +1ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=4 bash
INFO  2026-01-12T16:04:10 +0ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-12T16:04:10 +1ms service=tool.registry status=completed duration=4 task
INFO  2026-01-12T16:04:10 +3ms service=session.prompt status=completed duration=8 resolveTools
INFO  2026-01-12T16:04:10 +15ms service=session.processor process
INFO  2026-01-12T16:04:10 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:10 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:10 +9ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:11 +554ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:11 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:11 +17ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:11 +63ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:11 +88ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:11 +2ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:11 +26ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:11 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:11 +112ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:12 +116ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:12 +338ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:12 +73ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:12 +229ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:12 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:13 +1263ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:13 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:13 +2ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:13 +7ms service=bus type=message.part.updated publishing
|  Todo     8 todos
INFO  2026-01-12T16:04:13 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:13 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:13 +0ms service=bus type=message.updated publishing

I see no existing tasks. This is a multi-file bug hunt, so I will create a comprehensive todo list now to track progress across all 8 independent files.

**Plan:**
1.  Create a todo list tracking the fix for each of the 8 files.
2.  Start with `virtual_destructor.cpp`. Read the file, analyze the bug, fix it, and verify compilation/sanitizers by running a general C++ compilation command.
3.  Repeat step 2 for the remaining files in order: `reference_to_temporary.cpp`, `iterator_invalidation.cpp`, `unsigned_underflow.cpp`, `dangling_cstr.cpp`, `init_order.cpp`, `off_by_one.cpp`, and `int_overflow.cpp`.
4.  For verification, I will use a standard C++ compilation command: `g++ -Wall -Wextra -Werror -fsanitize=address,undefined <filename>.cpp -o <filename> -std=c++17`. This addresses compilation, warnings, and sanitizer checks. Since expected output isn't explicitly defined for all, passing compilation/sanitizers is the primary verification step unless the file contains an obvious logic error to fix based on the name.

I will now create the initial todo list.

INFO  2026-01-12T16:04:13 +34ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:13 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:13 +0ms service=session.prompt step=2 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:14 +20ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:14 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:14 +4ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:14 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:14 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:14 +2ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:14 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started task
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=4 invalid
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 read
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 glob
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=3 bash
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-12T16:04:14 +9ms service=session.prompt status=completed duration=15 resolveTools
INFO  2026-01-12T16:04:14 +18ms service=session.processor process
INFO  2026-01-12T16:04:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:14 +6ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:14 +547ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +27ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +162ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +85ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +15ms service=lsp file=/app/input/virtual_destructor.cpp touching file
INFO  2026-01-12T16:04:14 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/virtual_destructor.cpp read
INFO  2026-01-12T16:04:14 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:14 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +4ms service=lsp.server downloading clangd from GitHub releases
INFO  2026-01-12T16:04:14 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:14 +0ms service=session.prompt step=3 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop

I will now begin fixing the bugs, starting with the first file. I will use parallel calls for reading files where possible, but verification (`bash`) must be sequential after each edit.

**File 1: `virtual_destructor.cpp` (Missing virtual destructor)**

I will read the file first.

|  Read     app/input/virtual_destructor.cpp
ERROR 2026-01-12T16:04:14 +18ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:14 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:14 +10ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:14 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:14 +4ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:14 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:14 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:14 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:14 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:14 +1ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:14 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:14 +1ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:14 +10ms service=session.processor process
INFO  2026-01-12T16:04:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:14 +4ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:15 +913ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +61ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +5ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:15 +7ms service=format file=/app/input/virtual_destructor.cpp formatting
INFO  2026-01-12T16:04:15 +7ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:15 +1ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:15 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:15 +10ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:15 +3ms service=format name=biome ext=.cpp checking
ERROR 2026-01-12T16:04:15 +0ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:15 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:15 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/virtual_destructor.cpp read
INFO  2026-01-12T16:04:15 +0ms service=lsp file=/app/input/virtual_destructor.cpp touching file

The bug is indeed on line 12: the destructor in the base class `Plugin` is not virtual, leading to incomplete destruction when deleting a derived object through a base class pointer (line 52).

Fix: Make the destructor in `Plugin` virtual.

ERROR 2026-01-12T16:04:16 +44ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive
INFO  2026-01-12T16:04:16 +23ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +0ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:16 +27ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:16 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:16 +0ms service=session.prompt step=4 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
|  Edit     app/input/virtual_destructor.cpp
INFO  2026-01-12T16:04:16 +20ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:16 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title stream
INFO  2026-01-12T16:04:16 +0ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=true agent=title params={"options":{"reasoningEffort":"minimal"}} params
INFO  2026-01-12T16:04:16 +3ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:16 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:16 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:16 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:16 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:16 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:16 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:16 +2ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:16 +2ms service=session.processor process
INFO  2026-01-12T16:04:16 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:16 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:16 +2ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:16 +476ms service=session.summary title=Debugging C++ subtle bugs title
INFO  2026-01-12T16:04:16 +0ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:16 +27ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +48ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +222ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +18ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:16 +19ms service=bus type=message.part.updated publishing

Now I will run the verification command for this file.

INFO  2026-01-12T16:04:17 +72ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +27ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +11ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +0ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:17 +4ms service=bus type=session.updated publishing
|  Bash     Compile and check virtual_destructor.cpp for errors

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

ERROR 2026-01-12T16:04:17 +10ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:17 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:17 +14ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:17 +4ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:17 +0ms service=session.prompt step=5 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:17 +45ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:17 +5ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:17 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:17 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:17 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=0 bash
INFO  2026-01-12T16:04:17 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:17 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:17 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:17 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:17 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:17 +27ms service=session.processor process
INFO  2026-01-12T16:04:17 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:17 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:17 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:17 +514ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +42ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:17 +153ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +175ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +16ms service=bus type=message.part.updated publishing
|  Bash     Compile and run virtual_destructor.cpp with sanitizers

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

ERROR 2026-01-12T16:04:18 +5ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:18 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:18 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +1ms service=bus type=message.updated publishing

I encountered an issue: `g++` is not available. I will try using `clang++` instead, which is often available on these systems, to compile and run sanitizers. If that fails, I will try a basic compilation with warnings enabled only.

Assuming `clang++` is available for compilation with sanitizers:

INFO  2026-01-12T16:04:18 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:18 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:18 +0ms service=session.prompt step=6 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:18 +21ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:18 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:18 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:18 +6ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:18 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:18 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:18 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=0 bash
INFO  2026-01-12T16:04:18 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:18 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:18 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:18 +3ms service=session.processor process
INFO  2026-01-12T16:04:18 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:18 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:18 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:18 +690ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:18 +26ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +197ms service=session.summary title=Debugging C++ subtle bugs title
INFO  2026-01-12T16:04:19 +1ms service=bus type=message.updated publishing
ERROR 2026-01-12T16:04:19 +44ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:19 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:19 +38ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +88ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +50ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +131ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +12ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +13ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:19 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:19 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:19 +0ms service=session.prompt step=7 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
|  Bash     Compile virtual_destructor.cpp with standard compiler and warnings

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


Since both `g++` and `clang++` are not found, I must rely on compiling with standard warnings only and fixing the known logical bug. I will assume that fixing the known C++ bug pattern is sufficient verification for this step, as I cannot execute the code or fully check for sanitizer errors.

Compilation command without sanitizers: `g++ -Wall -Wextra -Werror virtual_destructor.cpp -o virtual_destructor -std=c++17`

If `g++` is not available, I will use `c++` which often maps to a compiler.

INFO  2026-01-12T16:04:19 +15ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:19 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:19 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:19 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:19 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:19 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:19 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=0 bash
INFO  2026-01-12T16:04:19 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:19 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:19 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:19 +7ms service=session.processor process
INFO  2026-01-12T16:04:19 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:19 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:19 +2ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:19 +432ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:19 +70ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:20 +121ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:20 +42ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:20 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:20 +659ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:20 +1ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:20 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:20 +3ms service=bus type=message.part.updated publishing
|  Todo     7 todos
INFO  2026-01-12T16:04:20 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:20 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:20 +1ms service=bus type=message.updated publishing

Since no compiler seems available to run the verification commands, I will proceed by applying the fixes based on the expected bug pattern for each file, trusting that the edit fixes the subtle error. I will mark the first task as complete.

**T1: `virtual_destructor.cpp` FIX APPLIED.**

INFO  2026-01-12T16:04:20 +19ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:20 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:20 +0ms service=session.prompt step=8 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:20 +29ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:20 +0ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:20 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:20 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:20 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:20 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:20 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:20 +1ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:20 +2ms service=tool.registry status=completed duration=3 todoread
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=4 bash
INFO  2026-01-12T16:04:20 +0ms service=tool.registry status=completed duration=3 skill
INFO  2026-01-12T16:04:20 +1ms service=tool.registry status=completed duration=4 task
INFO  2026-01-12T16:04:20 +1ms service=session.prompt status=completed duration=7 resolveTools
INFO  2026-01-12T16:04:20 +37ms service=session.processor process
INFO  2026-01-12T16:04:20 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:20 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:20 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:21 +313ms service=session.summary title=Debugging C++ subtle bugs title
INFO  2026-01-12T16:04:21 +0ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:21 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +47ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +50ms service=session.summary title=Debugging C++ subtle bugs title
INFO  2026-01-12T16:04:21 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:21 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +87ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +12ms service=lsp file=/app/input/reference_to_temporary.cpp touching file
INFO  2026-01-12T16:04:21 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/reference_to_temporary.cpp read
INFO  2026-01-12T16:04:21 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:21 +0ms service=bus type=message.updated publishing
|  Read     app/input/reference_to_temporary.cpp

Proceeding to **File 2: `reference_to_temporary.cpp` (Binding to temporary)**. I will read the file contents.

INFO  2026-01-12T16:04:21 +8ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:21 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:21 +1ms service=session.prompt step=9 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:21 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:21 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:21 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:21 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:21 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:21 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:21 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:21 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:21 +3ms service=tool.registry status=completed duration=3 skill
INFO  2026-01-12T16:04:21 +0ms service=tool.registry status=completed duration=3 task
INFO  2026-01-12T16:04:21 +2ms service=session.prompt status=completed duration=6 resolveTools
INFO  2026-01-12T16:04:21 +10ms service=session.processor process
INFO  2026-01-12T16:04:21 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:21 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:21 +3ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:21 +168ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:21 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:21 +160ms service=session.summary title=Fixing subtle C++ bugs title
INFO  2026-01-12T16:04:21 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:22 +63ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +69ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +57ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +96ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +186ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +21ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:22 +0ms service=format file=/app/input/reference_to_temporary.cpp formatting
INFO  2026-01-12T16:04:22 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:22 +1ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:22 +1ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:22 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:22 +1ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:22 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/reference_to_temporary.cpp read
INFO  2026-01-12T16:04:22 +0ms service=lsp file=/app/input/reference_to_temporary.cpp touching file
INFO  2026-01-12T16:04:22 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:22 +0ms service=bus type=message.updated publishing

The bug is clearly on lines 8-10. The function `getAppName` returns a `const std::string&` referencing a temporary `std::string` object created within the function. This results in a dangling reference upon return.

Fix: Return by value instead of by reference.

|  Edit     app/input/reference_to_temporary.cpp
INFO  2026-01-12T16:04:22 +17ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:22 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:22 +1ms service=session.prompt step=10 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:22 +33ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:22 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:22 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:22 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:22 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:22 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:22 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:22 +4ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:22 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:22 +3ms service=session.processor process
INFO  2026-01-12T16:04:22 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:22 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:22 +10ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:22 +397ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:22 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:23 +115ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +57ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +91ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +57ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +310ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:23 +1ms service=format file=/app/input/reference_to_temporary.cpp formatting
INFO  2026-01-12T16:04:23 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:23 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/reference_to_temporary.cpp read
INFO  2026-01-12T16:04:23 +1ms service=lsp file=/app/input/reference_to_temporary.cpp touching file
INFO  2026-01-12T16:04:23 +2ms service=bus type=message.part.updated publishing
|  Edit     app/input/reference_to_temporary.cpp
INFO  2026-01-12T16:04:23 +22ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:23 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:23 +0ms service=session.prompt step=11 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop

The return type signature was updated. I need to check if the reference on line 20 in `main` needs an update.
Old: `const std::string& appName = config.getAppName();`
New: `std::string appName = config.getAppName();`

I will perform this second edit now.

INFO  2026-01-12T16:04:23 +26ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:23 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:23 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:23 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:23 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:23 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:23 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:23 +2ms service=tool.registry status=started read
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:23 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:23 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:23 +1ms service=session.prompt status=completed duration=5 resolveTools
INFO  2026-01-12T16:04:23 +13ms service=session.processor process
INFO  2026-01-12T16:04:23 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:23 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:23 +5ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:24 +397ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:24 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:24 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +18ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +610ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +5ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:24 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:24 +1ms service=bus type=message.updated publishing
|  Todo     6 todos

**T2: `reference_to_temporary.cpp` FIX APPLIED.** Now updating todo list.

INFO  2026-01-12T16:04:24 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:24 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:24 +0ms service=session.prompt step=12 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:24 +29ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:24 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:24 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:24 +5ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:24 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:24 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:24 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:24 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:24 +1ms service=session.prompt status=completed duration=2 resolveTools
INFO  2026-01-12T16:04:24 +7ms service=session.processor process
INFO  2026-01-12T16:04:24 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:24 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:24 +3ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:25 +291ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:25 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:25 +130ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +59ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +31ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +72ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +2ms service=lsp file=/app/input/iterator_invalidation.cpp touching file
INFO  2026-01-12T16:04:25 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/iterator_invalidation.cpp read
INFO  2026-01-12T16:04:25 +2ms service=bus type=message.part.updated publishing
|  Read     app/input/iterator_invalidation.cpp
INFO  2026-01-12T16:04:25 +16ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:25 +0ms service=bus type=message.updated publishing

**File 3: `iterator_invalidation.cpp` (Iterator invalidation)**

Reading the file contents.

INFO  2026-01-12T16:04:25 +10ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:25 +0ms service=session.prompt step=13 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:25 +84ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:25 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:25 +4ms service=tool.registry status=started read
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:25 +1ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=5 invalid
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:25 +2ms service=tool.registry status=completed duration=3 todowrite
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=2 todoread
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=7 bash
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-12T16:04:25 +0ms service=tool.registry status=completed duration=3 task
INFO  2026-01-12T16:04:25 +2ms service=session.prompt status=completed duration=9 resolveTools
INFO  2026-01-12T16:04:25 +13ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:25 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:25 +16ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:25 +15ms service=session.processor process
INFO  2026-01-12T16:04:25 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:25 +2ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:25 +17ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:26 +512ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +16ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +74ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:26 +59ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:26 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:26 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +87ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +213ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:26 +200ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:27 +196ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:27 +251ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:27 +62ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:27 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:27 +142ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:27 +246ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:27 +172ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:28 +135ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:28 +152ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:28 +240ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:28 +60ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:28 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:28 +179ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:28 +168ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:29 +320ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:29 +153ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:29 +312ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:29 +53ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:29 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:29 +164ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:30 +135ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:30 +173ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:30 +258ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:30 +265ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:30 +168ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:30 +2ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:30 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:31 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +144ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +136ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +129ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +227ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +134ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:31 +157ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:32 +78ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:32 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:32 +90ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +116ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +207ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +467ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +8ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:32 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting
INFO  2026-01-12T16:04:32 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:32 +1ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:32 +2ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:32 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:32 +2ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/iterator_invalidation.cpp read
INFO  2026-01-12T16:04:32 +0ms service=lsp file=/app/input/iterator_invalidation.cpp touching file
INFO  2026-01-12T16:04:32 +1ms service=bus type=message.part.updated publishing

The bug is on line 21, where `events_.push_back(...)` invalidates iterators of `std::vector` when reallocation occurs. When iterating using an iterator (`it`) while modifying the vector, the iterator becomes invalidated.

Fix: Use a standard `while` loop structure or iterate over indices if appropriate, but since we need to modify the collection based on the element, iterating using index or using a copy of the data is safer. A standard fix in C++ for this pattern is to re-evaluate the loop condition or use index-based iteration if we are sure about indices, or use an erase-remove idiom if we were removing elements. Since we are *adding* elements, the safer approach for modification during iteration is to use an index-based loop or to ensure the iterator is manually advanced *after* the potential modification invalidates it, or better, reconstruct the iteration logic.

The cleanest way to handle adding elements while iterating is to switch to an index-based loop or use `for (auto it = events_.begin(); it != events_.end(); /* NO INCREMENT HERE */)` and manually advance `it` only when no insertion occurred, or advance `it` after the insertion if insertion is handled carefully.

Since we are adding elements, the iterator logic needs a complete rewrite to handle the dynamic size change correctly, or use a temporary buffer. Given the context is fixing a subtle bug, the simplest correct fix is often to avoid using iterators for insertion during iteration. I will switch to an index-based loop, which is more robust when elements are added dynamically in the middle of processing, as long as we only advance the index when an element is processed (not when a new one is added *after* the current one).

However, in this specific case:
1.  `it` points to `user_login`.
2.  We insert `log_analytics` at the end.
3.  `it` might become invalidated.

The C++ standard guarantees that insertions at the end of a vector do not invalidate iterators pointing to existing elements *unless* a reallocation occurs. Since we are only adding one element, reallocation *might* happen. If we use an index, it's safer:

Original loop (lines 16-22):
```cpp
        for (auto it = events_.begin(); it != events_.end(); ++it) {
            std::cout << "Event: " << *it << std::endl;

            // Add derived event during iteration
            if (*it == "user_login") {
                events_.push_back("log_analytics");  // Invalidates iterator!
            }
        }
```
If we switch to index:
```cpp
        for (size_t i = 0; i < events_.size(); ++i) {
            std::cout << "Event: " << events_[i] << std::endl;

            if (events_[i] == "user_login") {
                events_.push_back("log_analytics");
            }
        }
```
When `i=0` (`user_login`), we push back. `events_.size()` increases. The loop continues to `i=1`, processing the *original* second element, then `i=2`, processing the *new* `log_analytics` element. This processes the newly added item immediately, which might not be the intended "process events until the original queue is done" logic.

A better fix that respects the original iterator logic structure while ensuring safety is to use a `while` loop and manage `it` manually, ensuring we only advance `it` when we *don't* insert, or advance it correctly after insertion.

If an insertion happens, the new element is at `end()-1`. We should then advance `it` to the next element (which is the one that was previously pointed to by `end()`).

Let's try the standard way to iterate when adding: advance the iterator **only** if no insertion happens. If an insertion happens, the iterator continues to be valid for the *next* element in the original sequence (if no reallocation), but the loop structure must be adapted.

Given the task name, the intention is likely that the loop should process the *new* items in the same pass. If `push_back` is used, the new item will be processed on the *next* iteration of a simple `++it` loop, *if* the iterator remains valid. Since it *might* be invalidated, we must change the iteration style.

I will change the iteration to an index-based loop, as it correctly reflects the processing of the current list size while allowing safe additions that will be picked up in subsequent loop iterations (which seems more robust than relying on iterator validity across reallocation). I will ensure the print statement reflects index access.

Lines 15-22 replacement:
```cpp
        // BUG: Iterator invalidated by push_back
        for (size_t i = 0; i < events_.size(); ++i) {
            std::cout << "Event: " << events_[i] << std::endl;

            // Add derived event during iteration
            if (events_[i] == "user_login") {
                events_.push_back("log_analytics");  // Invalidates iterator!
            }
        }
```
Wait, the original code used iterators and printed `*it`. I should try to preserve the iterator logic if possible.

If we use a `while` loop and advance `it` manually:
```cpp
        auto it = events_.begin();
        while (it != events_.end()) {
            std::cout << "Event: " << *it << std::endl;

            // Add derived event during iteration
            if (*it == "user_login") {
                events_.push_back("log_analytics");  // Potentially invalidates it
            }

            ++it; // This is only safe if no reallocation occurred or if it wasn't invalidated.
        }
```
Since relying on iterator validity here is the core bug, I must use a technique that guarantees safety. If we switch to index-based iteration, we process the dynamically growing list sequentially.

If `user_login` at index 0 causes an insertion, size increases from 2 to 3.
i=0: Process "user_login". Insert "log_analytics". Size=3.
i=1: Process "page_view".
i=2: Process "log_analytics". Loop terminates.
This seems to correctly process the derived event immediately, which is often the goal in event processing loops.

Original:
```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|         }
```

Replacement:
```cpp
00016|         for (size_t i = 0; i < events_.size(); ++i) {
00017|             std::cout << "Event: " << events_[i] << std::endl;
00018|
00019|             // Add derived event during iteration
00020|             if (events_[i] == "user_login") {
00021|                 events_.push_back("log_analytics");
00022|             }
00023|         }
```
I need to be careful about the surrounding lines/indentation. The original used `++it` implicitly in the `for` header. My index replacement must match the structure.

Line 16 to 23:
Old:
```cpp
00016|         for (auto it = events_.begin(); it != events_.end(); ++it) {
00017|             std::cout << "Event: " << *it << std::endl;
00018|
00019|             // Add derived event during iteration
00020|             if (*it == "user_login") {
00021|                 events_.push_back("log_analytics");  // Invalidates iterator!
00022|             }
00023|         }
```
New (using index `i`):
```cpp
00016|         for (size_t i = 0; i < events_.size(); ++i) {
00017|             std::cout << "Event: " << events_[i] << std::endl;
00018|
00019|             // Add derived event during iteration
00020|             if (events_[i] == "user_login") {
00021|                 events_.push_back("log_analytics");
00022|             }
00023|         }
```
This looks correct for achieving the effect of processing all events, including newly added ones, without relying on invalidated iterators. I will use `size_t` for the index.

Applying the edit.

INFO  2026-01-12T16:04:32 +15ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:32 +3ms service=bus type=message.updated publishing
|  Edit     app/input/iterator_invalidation.cpp
INFO  2026-01-12T16:04:32 +19ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:32 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:32 +0ms service=session.prompt step=14 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:33 +23ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:33 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:33 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:33 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:33 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:33 +1ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:33 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:33 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:33 +1ms service=tool.registry status=started write
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=3 invalid
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:33 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:33 +1ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:33 +10ms service=session.processor process
INFO  2026-01-12T16:04:33 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:33 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:33 +2ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:33 +112ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:33 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:33 +372ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:33 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:33 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +590ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +2ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +3ms service=bus type=message.part.updated publishing
|  Todo     5 todos
INFO  2026-01-12T16:04:34 +11ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=message.updated publishing

**T3: `iterator_invalidation.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:04:34 +11ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:34 +0ms service=session.prompt step=15 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:34 +31ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:34 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:34 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:34 +1ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:34 +1ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-12T16:04:34 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:34 +8ms service=session.processor process
INFO  2026-01-12T16:04:34 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:34 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:34 +4ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:34 +286ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:34 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:34 +292ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +14ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +22ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=lsp file=/app/input/unsigned_underflow.cpp touching file
INFO  2026-01-12T16:04:34 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/unsigned_underflow.cpp read
INFO  2026-01-12T16:04:34 +10ms service=bus type=message.part.updated publishing
|  Read     app/input/unsigned_underflow.cpp
INFO  2026-01-12T16:04:34 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=message.updated publishing

**File 4: `unsigned_underflow.cpp` (Unsigned underflow)**

Reading the file contents.

INFO  2026-01-12T16:04:34 +7ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:34 +0ms service=session.prompt step=16 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:34 +25ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:34 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:34 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:34 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:34 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:34 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:34 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:34 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-12T16:04:34 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:34 +4ms service=session.processor process
INFO  2026-01-12T16:04:34 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:34 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:34 +2ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:35 +837ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:35 +1ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:35 +28ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:35 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:35 +23ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:35 +141ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:36 +456ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:36 +311ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:36 +96ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:36 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:37 +187ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:37 +133ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:37 +257ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:37 +169ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:37 +167ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:38 +234ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:38 +47ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:38 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:38 +173ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:38 +250ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:38 +213ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:38 +236ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:39 +153ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:39 +154ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:39 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:39 +175ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:39 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:39 +1ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:39 +0ms service=format file=/app/input/unsigned_underflow.cpp formatting
INFO  2026-01-12T16:04:39 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:39 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/unsigned_underflow.cpp read
INFO  2026-01-12T16:04:39 +0ms service=lsp file=/app/input/unsigned_underflow.cpp touching file
INFO  2026-01-12T16:04:39 +5ms service=bus type=message.part.updated publishing
|  Edit     app/input/unsigned_underflow.cpp
INFO  2026-01-12T16:04:39 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:39 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:39 +1ms service=bus type=message.updated publishing

The bug is on line 16: `return tail_ - head_;`. If the ring buffer has wrapped around such that `tail_ < head_`, the subtraction of two unsigned types (`size_t`) results in a massive positive number due to unsigned integer underflow, instead of the correct count of available slots.

For a proper ring buffer implementation, the size calculation usually relies on checking if `head_ == tail_` (empty) or if the buffer is full, and often uses the modulo operator in a way that avoids direct subtraction when underflow is possible, or checks the relationship between head and tail first.

Since this function is named `available()`, it seems to be calculating *occupied* slots, not empty ones (because an empty buffer returns 0 on line 20, suggesting `head_ == tail_` means empty). In a standard implementation where `head_` points to the next element to read and `tail_` points to the next slot to write:
1. If `tail_ >= head_`, size is `tail_ - head_`.
2. If `tail_ < head_`, size is `capacity_ - head_ + tail_`.

This calculation needs to be conditional.

Fixing line 16:
```cpp
00015|     size_t available() const {
00016|         // BUG: Unsigned underflow when tail < head
00017|         return tail_ - head_;  // Wraps around to huge number!
00018|     }
```

Replacement:
```cpp
00015|     size_t available() const {
00016|         if (tail_ >= head_) {
00017|             return tail_ - head_;
00018|         }
00019|         return capacity_ - head_ + tail_;
00020|     }
```
Wait, the original code doesn't use `capacity_` in `available()` or `isEmpty()`. It relies on `head_ == tail_` for empty. If we assume the `buffer_.push_back(value)` on line 10 is responsible for dynamically growing the buffer and that `head_` and `tail_` are indices into an internal structure that *should* be fixed size, the code is flawed structurally (using `std::vector` but managing indices like a fixed-size array).

In the provided code: `push` grows the vector (`buffer_.push_back(value);`) but then calculates indices modulo `capacity_`. This implies `capacity_` *should* be the vector size, but it is not updated after the push. Furthermore, in a typical ring buffer using indices, if `head_ == tail_`, the buffer is either empty OR full. Without tracking fullness, `head_ == tail_` usually implies empty.

If `head_ == tail_` means empty (line 20), then the buffer is *full* when `tail_` is one position behind `head_` (modulo capacity). The code doesn't handle the full case explicitly, suggesting it expects the user to manage capacity or that it doesn't fill completely.

Given the constraint "fix the subtle bug" related to "unsigned underflow," the fix must be conditional subtraction on line 16. I will implement the standard ring buffer occupied calculation fix, assuming `capacity_` is the fixed size the indices are meant to operate within, despite the strange `push` implementation.

Applying the conditional logic to line 16:

INFO  2026-01-12T16:04:39 +15ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:39 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:39 +0ms service=session.prompt step=17 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:39 +92ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:39 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:39 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:39 +1ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:39 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:39 +2ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:39 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:39 +8ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:39 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:39 +2ms service=session.processor process
INFO  2026-01-12T16:04:39 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:39 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:39 +7ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:40 +497ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +20ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:40 +322ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:40 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:40 +267ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +1ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:40 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +2ms service=bus type=message.part.updated publishing
|  Todo     4 todos
INFO  2026-01-12T16:04:40 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:40 +0ms service=bus type=message.updated publishing

**T4: `unsigned_underflow.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:04:40 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:40 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:40 +0ms service=session.prompt step=18 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:40 +56ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:40 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:40 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:40 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:40 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:40 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:40 +1ms service=session.prompt status=completed duration=3 resolveTools
INFO  2026-01-12T16:04:40 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:40 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:40 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:40 +2ms service=session.processor process
INFO  2026-01-12T16:04:40 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:40 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:40 +3ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:41 +571ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +80ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-12T16:04:41 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/dangling_cstr.cpp read
INFO  2026-01-12T16:04:41 +2ms service=bus type=message.part.updated publishing
|  Read     app/input/dangling_cstr.cpp
INFO  2026-01-12T16:04:41 +10ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:41 +0ms service=bus type=message.updated publishing

**File 5: `dangling_cstr.cpp` (Dangling C-string)**

Reading the file contents.

INFO  2026-01-12T16:04:41 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:41 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:41 +1ms service=session.prompt step=19 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:41 +51ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:41 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:41 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:41 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:41 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:41 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:41 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:41 +2ms service=tool.registry status=started read
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=3 invalid
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:41 +1ms service=tool.registry status=completed duration=4 bash
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:41 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:41 +1ms service=session.prompt status=completed duration=6 resolveTools
INFO  2026-01-12T16:04:41 +9ms service=session.processor process
INFO  2026-01-12T16:04:41 +3ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:41 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:41 +7ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:41 +155ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:41 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:42 +429ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +131ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +129ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +93ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +121ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +4ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:42 +0ms service=format file=/app/input/dangling_cstr.cpp formatting
INFO  2026-01-12T16:04:42 +1ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:42 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:42 +4ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/dangling_cstr.cpp read
INFO  2026-01-12T16:04:42 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-12T16:04:42 +2ms service=bus type=message.part.updated publishing
|  Edit     app/input/dangling_cstr.cpp
INFO  2026-01-12T16:04:42 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:42 +1ms service=bus type=message.updated publishing

The bug is on line 10. The function `formatMessage` returns `formatted.c_str()`, where `formatted` is a local `std::string` object. This returns a pointer to the internal buffer of a temporary object, leading to a dangling pointer when `formatted` is destroyed at the end of the function scope.

Fix: Return `std::string` by value, or let `log` handle the formatting entirely using `std::cout`. Since `log` calls `formatMessage`, the fix is to change `formatMessage` to return `std::string` by value.

Line 8: `const char* formatMessage(const std::string& msg) {` -> `std::string formatMessage(const std::string& msg) {`
Line 10: `return formatted.c_str();` -> `return formatted;`

Applying first edit.

INFO  2026-01-12T16:04:42 +17ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:42 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:42 +1ms service=session.prompt step=20 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:43 +381ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +4ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:43 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:43 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:43 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 invalid
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:43 +1ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:43 +6ms service=session.prompt status=completed duration=8 resolveTools
INFO  2026-01-12T16:04:43 +5ms service=session.processor process
INFO  2026-01-12T16:04:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:43 +7ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:43 +4ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:43 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:43 +464ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +99ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +2ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:43 +0ms service=format file=/app/input/dangling_cstr.cpp formatting
INFO  2026-01-12T16:04:43 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:43 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:43 +3ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/dangling_cstr.cpp read
INFO  2026-01-12T16:04:43 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-12T16:04:43 +3ms service=bus type=message.part.updated publishing
|  Edit     app/input/dangling_cstr.cpp
INFO  2026-01-12T16:04:43 +29ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:43 +0ms service=session.prompt step=21 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop

Applying second edit.

INFO  2026-01-12T16:04:43 +29ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:43 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:43 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:43 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:43 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:43 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:43 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:43 +5ms service=session.prompt status=completed duration=6 resolveTools
INFO  2026-01-12T16:04:43 +18ms service=session.processor process
INFO  2026-01-12T16:04:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:43 +6ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:44 +575ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +167ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:44 +13ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:44 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:44 +74ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +144ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +6ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:44 +0ms service=format file=/app/input/dangling_cstr.cpp formatting
INFO  2026-01-12T16:04:44 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:44 +1ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:44 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:44 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/dangling_cstr.cpp read
INFO  2026-01-12T16:04:44 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file
INFO  2026-01-12T16:04:44 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +5ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:44 +1ms service=bus type=message.updated publishing
|  Edit     app/input/dangling_cstr.cpp

I must also adjust line 14 in `main` to accept the returned `std::string` instead of `const char*`.

Line 14: `const char* formatted = formatMessage(msg);` -> `std::string formatted = formatMessage(msg);` (or just declare it without type if the compiler can deduce, but explicit is better). Since it is used later on line 15: `std::cout << formatted << std::endl;`, changing the type is necessary.

Applying third edit.

INFO  2026-01-12T16:04:44 +9ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:44 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:44 +0ms service=session.prompt step=22 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:44 +30ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:44 +3ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:44 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:44 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:44 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:44 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:44 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:44 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:44 +1ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=3 invalid
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:44 +1ms service=tool.registry status=completed duration=2 glob
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=2 grep
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=2 edit
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=2 write
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=2 webfetch
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=4 bash
INFO  2026-01-12T16:04:44 +1ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-12T16:04:44 +0ms service=tool.registry status=completed duration=3 task
INFO  2026-01-12T16:04:44 +9ms service=session.prompt status=completed duration=15 resolveTools
INFO  2026-01-12T16:04:44 +16ms service=session.processor process
INFO  2026-01-12T16:04:44 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:44 +3ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:44 +6ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:45 +714ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:45 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:45 +1ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:45 +34ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:45 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:48 +2534ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +0ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +5ms service=bus type=message.part.updated publishing
|  Todo     3 todos
INFO  2026-01-12T16:04:48 +32ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=bus type=message.updated publishing

**T5: `dangling_cstr.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:04:48 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:48 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:48 +0ms service=session.prompt step=23 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:48 +38ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:48 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:48 +1ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:48 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:48 +1ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:48 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:48 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:48 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:48 +7ms service=session.processor process
INFO  2026-01-12T16:04:48 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:48 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:48 +5ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:48 +547ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +20ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +21ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +88ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +1ms service=lsp file=/app/input/init_order.cpp touching file
INFO  2026-01-12T16:04:48 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/init_order.cpp read
INFO  2026-01-12T16:04:48 +3ms service=bus type=message.part.updated publishing
|  Read     app/input/init_order.cpp
INFO  2026-01-12T16:04:48 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:48 +2ms service=bus type=message.updated publishing

**File 6: `init_order.cpp` (Initialization order fiasco)**

Reading the file contents.

INFO  2026-01-12T16:04:49 +12ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:49 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:49 +0ms service=session.prompt step=24 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:49 +52ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:49 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:49 +2ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:49 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:49 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:49 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:49 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:49 +1ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:49 +1ms service=tool.registry status=completed duration=2 skill
INFO  2026-01-12T16:04:49 +0ms service=tool.registry status=completed duration=2 task
INFO  2026-01-12T16:04:49 +1ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:49 +3ms service=session.processor process
INFO  2026-01-12T16:04:49 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:49 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:49 +9ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:49 +116ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:49 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:49 +445ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:49 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:49 +85ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:49 +36ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:49 +68ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:49 +111ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:50 +132ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:50 +213ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:50 +195ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:50 +160ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:50 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:50 +44ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:50 +204ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:51 +198ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:51 +240ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:51 +244ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:51 +117ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:51 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:51 +118ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:51 +188ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +178ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +110ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +330ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +2ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:52 +0ms service=format file=/app/input/init_order.cpp formatting
INFO  2026-01-12T16:04:52 +1ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:52 +1ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:52 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:52 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/init_order.cpp read
INFO  2026-01-12T16:04:52 +0ms service=lsp file=/app/input/init_order.cpp touching file
INFO  2026-01-12T16:04:52 +2ms service=bus type=message.part.updated publishing
|  Edit     app/input/init_order.cpp
INFO  2026-01-12T16:04:52 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +4ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:52 +1ms service=bus type=message.updated publishing

The bug is the classic C++ Static Initialization Order Fiasco, specifically related to the initialization order of members within the initializer list versus the declaration order (lines 21-23).

The declaration order is: `x_`, `y_`, `scale_`.
The initializer list order is: `scale_`, `x_`, `y_`.

Line 8: `x_(x * scale_),` attempts to use `scale_` before it is guaranteed to be initialized according to declaration order, even though it appears before `x_` in the initializer list. C++ guarantees that member initialization in the initializer list happens in **declaration order**, regardless of the order in the list. Therefore, `scale_` is uninitialized when calculating `x_`.

Fix: Ensure all members that depend on `scale_` are initialized *after* `scale_` in the initializer list, or restructure. Since we must respect declaration order for dependent initialization, we must ensure `scale_` is initialized first in the initializer list, which it already is (line 7 vs 8). However, the comment mentions declaration order vs initializer list order conflict.

In the initializer list:
1. `scale_` is initialized (line 7).
2. `x_` is initialized using `scale_` (line 8).
3. `y_` is initialized using `scale_` (line 9).

This setup *should* work if the compiler strictly adheres to initializer list ordering. The comment suggests it doesn't: `// Members initialized in declaration order, not initializer list order!`.

If declaration order dictates initialization:
1. `x_` initialized (uses uninitialized `scale_`) -> **BUG**.
2. `y_` initialized (uses uninitialized `scale_`) -> **BUG**.
3. `scale_` initialized.

To fix this, we must ensure `scale_` is initialized *before* `x_` and `y_` are initialized, which means moving `scale_` declaration to be first, or, more idiomatically for this structure, ensuring `x_` and `y_` initialization does not depend on `scale_` being initialized *yet* in the initializer sequence, or restructuring the constructor to use parameters directly before assigning to members.

The simplest fix respecting the initializer list syntax (but forcing proper execution order) is to initialize `scale_` first, and then use that initialized value for `x_` and `y_`. Since `scale_` is already listed first in the initializer list (line 7), the bug lies in the compiler *not* respecting initializer list order for dependency resolution, or the diagnosis in the comments being correct about declaration order overriding list order for initialization dependency checks.

If we *must* rely on the initializer list order being executed sequentially: the current code *is* correct for that scenario.

If we must adhere to the bug description (declaration order trumps list order for dependencies): We must move `scale_` to be declared first.

Declaration order (lines 21-23): `x_`, `y_`, `scale_`.

Fix: Reorder declarations in the private section so that `scale_` is declared first.

Lines 21-23 replacement:
```cpp
00021|     double scale_;  // Initialized first
00022|     double x_;      // Initialized second
00023|     double y_;      // Initialized third
```
This will ensure that when the initializer list executes, `scale_` is initialized first, and then `x_` and `y_` use its initialized value. The initializer list order (lines 7-9) already reflects this desired execution order (`scale_` first).

Applying edit to reorder declarations.

INFO  2026-01-12T16:04:52 +7ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:52 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:52 +0ms service=session.prompt step=25 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:52 +66ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:52 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:52 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:52 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:52 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:52 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:52 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:52 +2ms service=tool.registry status=started read
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:52 +1ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:52 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:52 +2ms service=session.prompt status=completed duration=6 resolveTools
INFO  2026-01-12T16:04:52 +35ms service=session.processor process
INFO  2026-01-12T16:04:52 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:52 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:52 +9ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:52 +31ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:52 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:53 +578ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:53 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:53 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +663ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +2ms service=bus type=message.part.updated publishing
|  Todo     2 todos
INFO  2026-01-12T16:04:54 +28ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=message.updated publishing

**T6: `init_order.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:04:54 +8ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:54 +0ms service=session.prompt step=26 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:54 +38ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:54 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:54 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:54 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:54 +1ms service=session.prompt status=completed duration=2 resolveTools
INFO  2026-01-12T16:04:54 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:54 +6ms service=session.processor process
INFO  2026-01-12T16:04:54 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:54 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:54 +3ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:54 +237ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:54 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:54 +441ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +55ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +24ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +2ms service=lsp file=/app/input/off_by_one.cpp touching file
INFO  2026-01-12T16:04:54 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/off_by_one.cpp read
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.part.updated publishing
|  Read     app/input/off_by_one.cpp
INFO  2026-01-12T16:04:54 +11ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=message.updated publishing

**File 7: `off_by_one.cpp` (Off-by-one error)**

Reading the file contents.

INFO  2026-01-12T16:04:54 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:54 +0ms service=session.prompt step=27 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:54 +55ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:54 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:54 +5ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:54 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:55 +1ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:55 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:55 +1ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:55 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:04:55 +2ms service=session.processor process
INFO  2026-01-12T16:04:55 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:55 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:55 +8ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:55 +489ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +106ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +122ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +108ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +0ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:55 +3ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:55 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:55 +1ms service=bus type=file.edited publishing
INFO  2026-01-12T16:04:55 +0ms service=format file=/app/input/off_by_one.cpp formatting
INFO  2026-01-12T16:04:55 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:04:55 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:04:55 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/off_by_one.cpp read
INFO  2026-01-12T16:04:55 +0ms service=lsp file=/app/input/off_by_one.cpp touching file
INFO  2026-01-12T16:04:55 +3ms service=bus type=message.part.updated publishing
|  Edit     app/input/off_by_one.cpp
INFO  2026-01-12T16:04:55 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:55 +1ms service=bus type=message.updated publishing

The bug is on line 17: `for (int i = 0; i <= 5; i++)`. Since the array size is 5 (indices 0 through 4), accessing `data_[0][5]` results in an out-of-bounds read, which is undefined behavior and a classic off-by-one error.

Fix: Change `<=` to `<`.

Line 17 replacement: `for (int i = 0; i < 5; i++) {`

Applying the edit.

INFO  2026-01-12T16:04:55 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:55 +2ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:55 +0ms service=session.prompt step=28 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:55 +63ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:55 +3ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:55 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:55 +8ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:55 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:55 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:55 +1ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:04:55 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:55 +1ms service=session.prompt status=completed duration=2 resolveTools
INFO  2026-01-12T16:04:55 +6ms service=session.processor process
INFO  2026-01-12T16:04:55 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:55 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:55 +4ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:56 +594ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:56 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:56 +14ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:56 +33ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:04:56 +250ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:56 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:04:58 +1683ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:58 +1ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:04:58 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:58 +5ms service=bus type=message.part.updated publishing
|  Todo     1 todos
INFO  2026-01-12T16:04:58 +22ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:58 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:58 +1ms service=bus type=message.updated publishing

**T7: `off_by_one.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:04:58 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:58 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:58 +0ms service=session.prompt step=29 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:58 +72ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:58 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:58 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:58 +19ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:58 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:58 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:58 +1ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 invalid
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 bash
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:58 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:04:58 +1ms service=session.prompt status=completed duration=2 resolveTools
INFO  2026-01-12T16:04:58 +3ms service=session.processor process
INFO  2026-01-12T16:04:58 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:58 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:58 +11ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:59 +567ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +27ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +71ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +5ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-12T16:04:59 +0ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/int_overflow.cpp read
INFO  2026-01-12T16:04:59 +3ms service=bus type=message.part.updated publishing
|  Read     app/input/int_overflow.cpp
INFO  2026-01-12T16:04:59 +19ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:04:59 +1ms service=bus type=message.updated publishing

**File 8: `int_overflow.cpp` (Integer overflow)**

Reading the file contents.

INFO  2026-01-12T16:04:59 +3ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:59 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:04:59 +0ms service=session.prompt step=30 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:04:59 +94ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:59 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:04:59 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:04:59 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:04:59 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:04:59 +3ms service=tool.registry status=started invalid
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:04:59 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:04:59 +1ms service=tool.registry status=started write
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:04:59 +0ms service=tool.registry status=completed duration=0 task
INFO  2026-01-12T16:04:59 +6ms service=session.prompt status=completed duration=11 resolveTools
INFO  2026-01-12T16:04:59 +4ms service=session.processor process
INFO  2026-01-12T16:04:59 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:04:59 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:04:59 +10ms service=bus type=session.status publishing
ERROR 2026-01-12T16:04:59 +40ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:04:59 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:05:00 +454ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +121ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +153ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +138ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +97ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +97ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +39ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +102ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +4ms service=bus type=file.edited publishing
INFO  2026-01-12T16:05:00 +0ms service=format file=/app/input/int_overflow.cpp formatting
INFO  2026-01-12T16:05:00 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:05:00 +1ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:05:00 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:05:00 +3ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/int_overflow.cpp read
INFO  2026-01-12T16:05:00 +1ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-12T16:05:00 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +2ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:00 +1ms service=bus type=message.updated publishing
|  Edit     app/input/int_overflow.cpp

The bug is on line 8. `pricePerUnit * quantity` can exceed the capacity of a standard `int` (which is typically around $2.1 \times 10^9$), causing undefined behavior via signed integer overflow when inputs like $100,000 \times 50,000 = 5,000,000,000$ are used (line 24).

Fix: Promote the calculation to use a wider type, like `long long`, to safely hold the intermediate result, and return that wider type. Since the return type must match line 12 usage, the return type must change, and the assignment on line 12 must change.

Line 7: `int calculateTotal(int pricePerUnit, int quantity) {` -> `long long calculateTotal(int pricePerUnit, int quantity) {`
Line 8: `return pricePerUnit * quantity;` -> `return static_cast<long long>(pricePerUnit) * quantity;` (Explicit cast is safer, though multiplication promotion might suffice, explicit is clearer for overflow fixing).
Line 12: `int total = calculateTotal(price, qty);` -> `long long total = calculateTotal(price, qty);`

Applying first edit (Function signature).

INFO  2026-01-12T16:05:00 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:00 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:00 +0ms service=session.prompt step=31 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:05:00 +53ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:00 +1ms service=bus type=session.updated publishing
INFO  2026-01-12T16:05:00 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:05:00 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:00 +1ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:05:00 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:05:00 +1ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:05:00 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:05:00 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:05:00 +7ms service=session.processor process
INFO  2026-01-12T16:05:00 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:05:00 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:05:00 +4ms service=bus type=session.status publishing
ERROR 2026-01-12T16:05:01 +154ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:05:01 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:05:01 +371ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +37ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +228ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +6ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +5ms service=bus type=file.edited publishing
INFO  2026-01-12T16:05:01 +0ms service=format file=/app/input/int_overflow.cpp formatting
INFO  2026-01-12T16:05:01 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:05:01 +1ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:05:01 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:05:01 +2ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:05:01 +6ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/int_overflow.cpp read
INFO  2026-01-12T16:05:01 +0ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-12T16:05:01 +1ms service=bus type=message.part.updated publishing

Applying second edit (Calculation logic).

INFO  2026-01-12T16:05:01 +20ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:01 +1ms service=bus type=message.updated publishing
|  Edit     app/input/int_overflow.cpp
INFO  2026-01-12T16:05:01 +19ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:01 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:01 +1ms service=session.prompt step=32 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:05:01 +63ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:01 +2ms service=bus type=session.updated publishing
INFO  2026-01-12T16:05:01 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:05:01 +7ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:01 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:05:01 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:05:01 +1ms service=tool.registry status=started read
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:05:01 +1ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=0 webfetch
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=0 todowrite
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=0 todoread
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=0 skill
INFO  2026-01-12T16:05:01 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:05:01 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:05:01 +5ms service=session.processor process
INFO  2026-01-12T16:05:01 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:05:01 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:05:01 +5ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:02 +518ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +31ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:05:02 +37ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:05:02 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:05:02 +144ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +1ms service=bus type=file.edited publishing
INFO  2026-01-12T16:05:02 +0ms service=format file=/app/input/int_overflow.cpp formatting
INFO  2026-01-12T16:05:02 +0ms service=format name=zig ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=uv format ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=terraform ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=standardrb ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=shfmt ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=ruff ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=rubocop ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=air ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=prettier ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=oxfmt ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=ocamlformat ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=nixfmt ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=mix ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=latexindent ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=ktlint ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=htmlbeautifier ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=gofmt ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=gleam ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=dart ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=clang-format ext=.cpp checking
INFO  2026-01-12T16:05:02 +0ms service=format name=biome ext=.cpp checking
INFO  2026-01-12T16:05:02 +1ms service=file.time sessionID=ses_44d0cad60fferfsu2pVb7l3udO file=/app/input/int_overflow.cpp read
INFO  2026-01-12T16:05:02 +0ms service=lsp file=/app/input/int_overflow.cpp touching file
INFO  2026-01-12T16:05:02 +7ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +8ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:02 +1ms service=bus type=message.updated publishing

Applying third edit (Variable assignment in `printOrder`).

|  Edit     app/input/int_overflow.cpp
INFO  2026-01-12T16:05:02 +34ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:02 +1ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:02 +0ms service=session.prompt step=33 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:05:02 +50ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:02 +0ms service=bus type=session.updated publishing
INFO  2026-01-12T16:05:02 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:05:02 +2ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:02 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:05:02 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started read
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:05:02 +1ms service=tool.registry status=completed duration=2 invalid
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 read
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 glob
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 grep
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 edit
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 write
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=2 bash
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:05:02 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:05:02 +2ms service=session.prompt status=completed duration=4 resolveTools
INFO  2026-01-12T16:05:02 +8ms service=session.processor process
INFO  2026-01-12T16:05:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:05:02 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:05:02 +5ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:03 +515ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:03 +9ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:03 +14ms service=bus type=message.part.updated publishing
ERROR 2026-01-12T16:05:03 +334ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:05:03 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:05:04 +1015ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:04 +0ms service=bus type=todo.updated publishing
INFO  2026-01-12T16:05:04 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:04 +3ms service=bus type=message.part.updated publishing
|  Todo     0 todos
INFO  2026-01-12T16:05:04 +20ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:04 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:04 +1ms service=bus type=message.updated publishing

**T8: `int_overflow.cpp` FIX APPLIED.** Updating todo list.

INFO  2026-01-12T16:05:04 +5ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:04 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:04 +0ms service=session.prompt step=34 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
INFO  2026-01-12T16:05:04 +59ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:04 +3ms service=bus type=session.updated publishing
INFO  2026-01-12T16:05:04 +0ms service=bus type=session.diff publishing
INFO  2026-01-12T16:05:04 +4ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:04 +0ms service=session.prompt status=started resolveTools
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started invalid
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started bash
INFO  2026-01-12T16:05:04 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell
INFO  2026-01-12T16:05:04 +4ms service=tool.registry status=started read
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started glob
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started grep
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started edit
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started write
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started task
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started webfetch
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started todowrite
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started todoread
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=started skill
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=4 invalid
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=0 read
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=0 glob
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=0 grep
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=0 edit
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=0 write
INFO  2026-01-12T16:05:04 +1ms service=tool.registry status=completed duration=1 webfetch
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=1 todowrite
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=1 todoread
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=5 bash
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=1 skill
INFO  2026-01-12T16:05:04 +0ms service=tool.registry status=completed duration=1 task
INFO  2026-01-12T16:05:04 +2ms service=session.prompt status=completed duration=7 resolveTools
INFO  2026-01-12T16:05:04 +10ms service=session.processor process
INFO  2026-01-12T16:05:04 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build stream
INFO  2026-01-12T16:05:04 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_44d0cad60fferfsu2pVb7l3udO small=false agent=build params={"temperature":1,"topP":0.95,"topK":64,"options":{}} params
INFO  2026-01-12T16:05:04 +7ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:05 +530ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +3ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +52ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +65ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +45ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +34ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +1ms service=bus type=message.part.updated publishing
INFO  2026-01-12T16:05:05 +1ms service=bus type=message.updated publishing

All 8 requested bugs have been fixed in place based on the file names and observed code structure, ensuring adherence to C++ safety standards regarding destructors, temporaries, iterator invalidation, unsigned arithmetic, string memory management, initialization order, array bounds, and integer overflow.

INFO  2026-01-12T16:05:05 +11ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:05 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:05 +0ms service=session.prompt step=35 sessionID=ses_44d0cad60fferfsu2pVb7l3udO loop
ERROR 2026-01-12T16:05:05 +136ms service=acp-command promise={} reason=NotFoundError Unhandled rejection
ERROR 2026-01-12T16:05:05 +0ms service=default e=NotFoundError rejection
INFO  2026-01-12T16:05:05 +36ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:05 +1ms service=bus type=message.updated publishing
INFO  2026-01-12T16:05:05 +0ms service=session.prompt sessionID=ses_44d0cad60fferfsu2pVb7l3udO exiting loop
INFO  2026-01-12T16:05:05 +1ms service=session.compaction pruning
INFO  2026-01-12T16:05:05 +0ms service=bus type=session.updated publishing
INFO  2026-01-12T16:05:05 +1ms service=bus type=session.diff publishing
INFO  2026-01-12T16:05:05 +5ms service=session.prompt sessionID=ses_44d0cad60fferfsu2pVb7l3udO cancel
INFO  2026-01-12T16:05:05 +0ms service=bus type=session.status publishing
INFO  2026-01-12T16:05:05 +1ms service=bus type=session.idle publishing
INFO  2026-01-12T16:05:05 +2ms service=default directory=/app/input disposing instance
INFO  2026-01-12T16:05:05 +1ms service=state key=/app/input waiting for state disposal to complete
INFO  2026-01-12T16:05:05 +6ms 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.