Components

API layer (api/)

• Registers HTTP routes under /api.
• Implements RAG endpoints, AskAI, sync, users/nodes, and admin settings.

Server entry (cmd/rag-server)

• Loads config and log level.
• Applies auth middleware and CORS.
• Wires routes and starts HTTP server.

RAG service (internal/rag/)

• Embedding providers: OpenAI-compatible, Ollama, Chutes, BGE.
• Storage: Postgres with pgvector + full-text search.
• Chunking and ingestion pipeline.

Auth (internal/auth/)

• JWT validation middleware.
• Token cache backed by Postgres hstore table.

Cache (internal/cache/)

• Postgres-backed cache store for tokens.

Sync (internal/rag/sync/)

• Git repo sync with go-git, shallow clone + reset.

CLI (cmd/rag-cli, cmd/ingest)

• rag-cli: sync + ingest and upsert via API.
• ingest: direct ingestion into Postgres (batch utility).