feat: Implement MCP client and internal tools for agentic LLM
Add complete tool calling infrastructure for Claude Code-like functionality:
Internal Tools (via GroveEngine IIO):
- Scheduler: get_current_task, list_tasks, start_task, complete_task, start_break
- Monitoring: get_focus_stats, get_current_app
- Storage: save_note, query_notes, get_session_history
- Voice: speak
MCP Client (for external servers):
- StdioTransport for fork/exec JSON-RPC communication
- MCPClient for multi-server orchestration
- Support for filesystem, brave-search, fetch servers
Architecture:
- IOBridge for sync request/response over async IIO pub/sub
- Tool handlers added to all modules (SchedulerModule, MonitoringModule, StorageModule, VoiceModule)
- LLMService unifies internal tools + MCP tools in ToolRegistry
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
StillHammer
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