[WalkerTech15]

Summary

Implements Phase 2 chat and provider functionality for Local Agent.

Included

• Mock chat foundation
• Provider registry and normalized errors
• Secure OpenAI-compatible provider integration
• GLM and Ollama provider adapters
• Streaming responses
• Timeout and cancellation handling
• Secure main-process network access
• Validated IPC and preload boundaries
• Provider and streaming tests
• Electron asset-loading fix

Security

• API keys remain in the encrypted main-process secret store.
• Renderer code cannot access network APIs directly.
• Provider output cannot execute tools or actions.
• Requests and responses are bounded and schema-validated.
• Existing permission, audit, emergency-stop, sandbox, and CSP protections remain active.

Verification

• Unit tests passed
• E2E tests passed
• Build passed
• Typecheck passed
• Lint passed
• Formatting passed
• npm audit reported 0 vulnerabilities