- Remove x/y from GraphApiDocument (client computes via force simulation)
- Remove similarity from GraphApiEdge, add edgeType enum
- Replace viewport/bounds/stats API calls with single paginated documents endpoint
- Derive edges client-side from document structure (doc-memory, version, same-space)
- Update MCP client/server to use documents endpoint
- Update MCP UI app for new type shapes
- Update all tests for new API contract
- Progressive loading via useInfiniteQuery (100 docs/page)