feat: add confluence/slack search tools, chat history, cloud Qdrant support, sync trigger fixes

fix: update user roles to include 'org_admin' in Sidebar and UserInvite types

fix: enhance admin functionality and error handling in ingestion and analytics processes

feat: enhance analytics API with freshness computation and coverage gaps endpoint

feat: channel RBAC through ingest, graph stream, admin endpoints, email invite

fix: type errors, merge OAuth branch, upgrade BM25Store

feat: implement Google OAuth2 SSO integration with user management and callback handling

User Settings (/settings) — 3 tabs:

feat: enhance UI state management with graph collapse functionality and improve error handling in API requests

feat: implement sidebar component with navigation and recent queries

Fix force-graph mount: use ForceGraph2D()(element) not ForceGraph2D(element)

Fix inline code rendering in Answer: distinguish inline vs block code

Fix graph panel race: push pending data after force-graph async init

Fix WebSocket reconnect loop and SSE false 'incomplete' error

Fix CSS @import order: move highlight.js import before @tailwind directives

Fix npm install: remove non-existent radix badge pkg; fix nullish coalescing syntax error; fix pydantic extra fields

feat: enhance agent event structure and improve SearchBox functionality

feat: add Zustand stores for filters and UI state management