airweave-ai/slack-knowledge-assistant

Built on FastAPI with Claude integration, it executes a multi-step pipeline: contextualizing follow-up questions using thread history, performing hybrid semantic+keyword search via Airweave's unified connector layer (50+ sources including GitHub, Notion, Linear, Jira, Confluence), then polishing results into source-aware Slack messages with confidence-graded citations. The architecture verifies Slack signatures synchronously while delegating the search-and-generation work to background threads, preventing timeout violations on the 3-second event acknowledgment window.