feat(db): Datenmodell, erste Migration und Seed (#003)

Prisma 7.10 mit Postgres-Adapter, 23 Modelle inklusive Rechnungen mit Positionen,
Seed fuer Administrator, Warnregeln und Demo-Daten, Testdatenbank fuer Vitest.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-09-17 20:32:04 +02:00
co-authored by Claude Opus 5
parent 090396f6c0
commit 293bcf4b5a
22 changed files with 4121 additions and 36 deletions
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# PostgreSQL für die lokale Entwicklung. Die vollständige Compose-Datei
# (App + Worker + Datenbank) entsteht in #014.
services:
postgres:
image: postgres:17-alpine
container_name: proxledger-postgres-dev
restart: unless-stopped
environment:
POSTGRES_USER: proxledger
POSTGRES_PASSWORD: proxledger
POSTGRES_DB: proxledger
ports:
- "5433:5432"
volumes:
- proxledger-dev-db:/var/lib/postgresql/data
healthcheck:
test: ["CMD-SHELL", "pg_isready -U proxledger"]
interval: 5s
timeout: 3s
retries: 10
volumes:
proxledger-dev-db: