## Summary Implements epic [#42](#42) (children #43–#53) and advances [#11](#11). - **Entitlement:** `allows_rag` on plans (founders / backer / pro / business; not standard); exposed as `features.rag` - **Gates:** document REST + WS `PromptType.RAG` use `assert_feature_allowed(..., "rag")` - **Lifecycle:** dedupe ingest, delete vectors by `document_id`, honor `active`, fix document detail PATCH/DELETE - **Workspaces:** auto-create default company workspace; fail-closed scoping - **Drive:** personal + company Google/Microsoft connect (`link_drive` / `link_company_drive`), resource selection, sync, webhooks stubs, `sync_drive_connections` management command - **Docs/env:** README + `.env*.example` updated Companion FE: `chat_web_app` branch `feature/rag-epic-42-ui` (#81–#85). ## Test plan - [x] `SKIP_RAG_INIT=1 uv run python manage.py test` (457 OK) - [ ] Migrate finance `0004` + chat_backend `0028` on beta - [ ] Verify Standard user: Documents API 403 + no RAG retrieval - [ ] Verify Founders/Pro: upload + list + active toggle - [ ] Connect Google/Microsoft Drive (incremental scopes) and Sync - [ ] Company manager: `link_company_drive`; non-manager 403 - [ ] Run `manage.py sync_drive_connections`Reviewed-on: #54