Adds trashCalendarSyncJob.ts, which pulls Restmüll/Biomüll/Gelbe Tonne/
Papiertonne dates for Nackenheim (CityId 35, Verbandsgemeinde Bodenheim)
from the public, keyless API behind lk.kaw-mainz-bingen.de's official
waste calendar, and upserts them into trash_schedule. Adds a unique
(type, date) constraint to prevent duplicate entries on reruns. Run via
`npm run trash-sync:run`, same standalone-script pattern as the other
reminder jobs.
Prisma 5.22's generator wants the explicit output to point at the
internal .prisma/client directory (which @prisma/client forwards to),
not the @prisma/client package directory itself — pointing it there
directly made `prisma generate` fail outright ("replace ... with
../backend/node_modules/.prisma/client").
Implements the previously-deferred "Bewertungssystem für Zwischenmieter"
requirement, which existed only as a vague idea with no model, route, or
UI. Design (confirmed with user): any authenticated user can rate any
tenant (1-5 + optional comment), freestanding (not tied to a contract,
creatable any time), visible only to LANDLORD/ADMIN — tenants can submit
ratings but not view them, to keep WG-internal friction out of the open.
- prisma: TenantRating model + User relations. Also pins the Prisma
Client `output` path explicitly: since schema.prisma lives at the repo
root (no package.json there) while node_modules only exists under
backend/, `prisma generate`'s root-inference walked up past the repo
and wrote into an unrelated ancestor directory when invoked from a
fresh checkout. The explicit relative output keeps repo-root schema +
backend-only deps working the same locally and in Docker.
- backend: GET/POST /v1/ratings (role-gated read), GET /v1/ratings/tenants
(name+room only, any authenticated user, for the picker).
- dashboard: rating form for everyone, landlord-only ratings/summary view.
