Knowledge Extraction Engine

Self-contained server (port 4000). Modes: MCP stdio, HTTP REST, HTTP/SSE, CLI index.

Knowledge Graph: 11 node types (module, class, interface, function, method, variable, constant, type, enum, import, export), 9 edge types (contains, calls, imports, exports, extends, implements, references, returns, parameter). Immutable snapshots with SHA256 dedup. Startup recovery for stale jobs/repos.

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