┌─────────────────┐
│  MCP Client     │  Claude Desktop, Claude Code, CLI
│  (HTTP/SSE)     │
└────────┬────────┘
         │ http://localhost:17300/
         ▼
┌─────────────────┐
│   Go Server     │  Session registry, worker manager, watchdog
│   (MCP Tools)   │
└────────┬────────┘
         │ Connect RPC over Unix socket
         ▼
┌─────────────────┐
│ Python Worker   │  IDA + idalib (one per session)
│ (per session)   │
└─────────────────┘