chore: save WIP before workstation switch

.gitea/WORKFLOW_ARCHITECTURE.md

@@ -132,11 +132,11 @@ When a PR is merged to `main`:
 
 ## Database Configuration for CI
 
-### SQLite for CI Acceptance Tests
-- **Why SQLite**: No database server required, perfect for CI environments
-- **Usage**: PR workflow runs acceptance tests with SQLite database
-- **Configuration**: `DATABASE_PROVIDER=sqlite`, `DATABASE_URL=file:./prisma/ci.db`
-- **Benefits**: Fast, isolated, no external dependencies
+### PostgreSQL for CI Acceptance Tests
+- **Why PostgreSQL**: Matches production database, catches PG-specific issues
+- **Usage**: PR workflow runs acceptance tests with PostgreSQL database
+- **Configuration**: `CI_DATABASE_URL` secret, set as `DATABASE_URL` env var
+- **Benefits**: Production-like environment, consistent with dev and prod
 
 ### PostgreSQL for Production
 - **Usage**: Release workflow runs tests in Docker with PostgreSQL