fix: factory falls back to design-time dummy; remove CI dummy-file step and creds-env cp lines

.gitea/workflows/deploy-api.yml

@@ -45,14 +45,6 @@ jobs:
             --no-build \
             -o DeepDrftAPI/publish
 
-      # DeepDrftContextFactory reads environment/connections.json at design time.
-      # Write a parseable dummy so the factory does not throw during bundle construction.
-      # The bundle only needs the provider type, not a live database connection.
-      - name: Write dummy connections file for EF bundle
-        run: |
-          mkdir -p DeepDrftAPI/environment
-          echo '{"ConnectionStrings":{"DefaultConnection":"Host=localhost;Database=dummy;Username=dummy","Auth":"Host=localhost;Database=dummy;Username=dummy"}}' > DeepDrftAPI/environment/connections.json
-
       # EF bundle: self-contained binary that applies DeepDrftContext migrations on the host
       # without the .NET SDK. AuthBlocks' Identity DB is NOT covered here — it self-migrates
       # via UseAuthBlocksStartupAsync() on first boot.