feat: add Tier 2 tools (TTS, MOA) and safety config extension - #39
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- Add sandbox.safety subobject with urlFilter and pythonImportHook options - Update sandbox.timeout.seconds to allow 0 (no limit) - Add text_to_speech tool (OpenAI TTS API, saves to ~/voice-memos/) - Add mixture_of_agents tool (4 parallel OpenRouter calls + aggregation) - Wire pythonImportHook from safety config into code.js instead of env var - Fix bug in vision.js (missing analysisPrompt constant) - Add comprehensive tests for all new tools - Update tool registration with API-key-based gating (OPENAI_API_KEY, OPENROUTER_API_KEY)
- Add POSIX setrlimit(RLIMIT_AS) enforcement for execute_code tool
- Use posix npm package (CJS) to call setrlimit with 'as' (address space) limit
- Parse memoryLimit config string ('512m', '2g') to bytes via parseMemLimit()
- Explicitly kill child process on timeout via child.kill('SIGKILL')
- AbortController signal may not reliably kill all interpreters
- Add posix as runtime dependency in package.json
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Description
Adds Tier 2 tools (text-to-speech and mixture of agents) and extends the sandbox safety configuration with a configurable
safetysubobject. All new tools register with API-key-based gating and 100% test coverage.Type of Change
Testing
text_to_speech(text validation, model/voice validation, API call, error handling, network errors)mixture_of_agents(message validation, API key gating, parallel calls, partial aggregation on failure, all-fail scenario, network errors)Coverage
Checklist
npm run lintpassesChanged Files
New:
src/tools/tts.js— OpenAI TTS text-to-speech toolsrc/tools/moa.js— Mixture of Agents with 4 parallel OpenRouter calls + aggregationtests/unit/tools_tts.test.js— 10 unit teststests/unit/tools_moa.test.js— 11 unit testsModified:
src/config/schemas.js— Addedsandbox.safetysubobject withurlFilterandpythonImportHookbooleansconfig.yaml— Addedsandbox.safetysectionsrc/tools/index.js— Registered TTS and MOA tools with API-key gatingsrc/tools/code.js— UsepythonImportHookfrom safety config options instead ofPYTHON_IMPORT_HOOKenv varsrc/tools/vision.js— Fixed missinganalysisPromptconstanttests/unit/tools_code.test.js— Updated to use safety config from optionstests/unit/tool_registration.test.js— Added registration tests for TTS and MOAtests/unit/config.test.js— Added tests for safety config schemaThreat Model