Knowledge Graph API

Base path: /api/knowledge-graph

Get Graph Data

GET /api/knowledge-graph

Response: Graph node and edge data for frontend visual rendering.

Build Graph

POST /api/knowledge-graph/build

Triggers LLM-powered intelligent knowledge graph building. Supports:

• Full rebuild: Re-extract concepts and relationships from all notes
• Incremental update: Only process newly added or modified notes

Get Build Status

GET /api/knowledge-graph/status

Response:

{
  "status": "idle|building|completed|failed",
  "progress": 75,
  "message": "Processing..."
}

The frontend polls this endpoint in real time to get build progress.

Node-Note Association

Graph nodes can be linked to their corresponding notes. Clicking a node displays the related note content.