Supports chat_web_app#31: public settings + /user/create/ create company/user and return JWTs for Stripe Checkout. Document flag in env/secret templates.
## Summary - Closes #21 — new Django `finance` app with Stripe as payment provider - Subscription price defaults to **$10 USD / month** via `SUBSCRIPTION_PRICE_AMOUNT_CENTS = 1000` in `settings.py` (env-overridable) - Persists **Invoice** and **Payment** rows; both registered in Django admin (with payment inline on invoices) - Checkout Session API redirects users to Stripe hosted payment; webhook verifies signatures and upserts ledger idempotently ## API - `POST /api/finance/checkout/` — JWT auth → `{ checkout_url, session_id }` - `GET /api/finance/invoices/` / `GET /api/finance/payments/` — own records - `POST /api/finance/webhooks/stripe/` — Stripe signature-verified webhook ## Config Documented in `.env.example` / `.env.prod.example`: `STRIPE_SECRET_KEY`, `STRIPE_PUBLISHABLE_KEY`, `STRIPE_WEBHOOK_SECRET`, optional `STRIPE_PRICE_ID`, `FRONTEND_BASE_URL` ## Test plan - [x] `uv run python manage.py test finance` (17 tests) - [ ] Set Stripe test keys locally; create checkout session; complete payment in Stripe test mode - [ ] Confirm Invoice/Payment appear in `/admin/` - [ ] Point Stripe webhook to `/api/finance/webhooks/stripe/` and verify `checkout.session.completed` / `invoice.paid`Reviewed-on: #23
## Summary Implements [chat_backend#6](#6) Part A: - **uv** packaging (`pyproject.toml` + `uv.lock`), Docker/compose (dev + prod), entrypoint/validate-env, Gitea unit-test + auto-deploy workflows (mirror `scha`) - Env-driven Django settings (`DJANGO_*`, `DATABASE_URL`, CSRF/CORS) - **`OLLAMA_BASE_URL`** wired through all Ollama/LangChain clients (prod → `http://10.0.0.128:11434`) - **DatabaseStorage** — prompt/document file blobs in Postgres (`StoredFile`), not container FS; RAG materializes temp paths for loaders - ASGI via `gunicorn` + `UvicornWorker` (HTTP + WebSockets) Companion server-infra PR registers `app_catalog` / `host_apps` (port **8003**). ## Test plan - [ ] `uv sync && cd llm_be && SKIP_RAG_INIT=1 uv run python manage.py test` - [ ] `docker compose build && docker compose up` against bundled Postgres - [ ] Confirm Ollama calls use `OLLAMA_BASE_URL` (not hardcoded localhost) - [ ] Upload a document / prompt file → row in `chat_backend_storedfile`, no disk under `media/` - [ ] After server-infra merge + secret/Postgres/NPM: deploy via `deploy.sh --app chat_backend --env prod`Reviewed-on: #7