Architecture diagrams

High-level C4 context diagram.

C4 container diagram showing service components, repositories, YDB client, and YDB with one-table layout.

REST API server components: Express app, request logger, health endpoint, collections and points routers.

Repository layer: collections/points repositories with one-table layout, tenant utilities, and schema manager.

YDB integration components: YDB driver, helpers, schema manager, environment config, logger, and database.

ER diagram: qdr__collections metadata, qdrant_all_points global table, and qdrant_points_by_file path lookup.