sync: workflow CI self-contained + imagen Harbor t-<short> (ADR-061)

Workflow <app>-build.yaml self-contained — sin uses: cross-repo al repo
privado coralware/IDP. requirements-dev.txt inline. image.repository apunta
al proyecto Harbor dedicado del tenant t-<tenant-id-short> (ADR-019 D-03).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

code/app/main.py

@@ -56,7 +56,9 @@ def create_app() -> FastAPI:
     app = FastAPI(
         title="__APP_NAME__",
         version="0.1.0",
-        dependencies=[Depends(_require_auth_dep)] if settings.OPENAPI_REQUIRE_AUTH else [],
+        dependencies=(
+            [Depends(_require_auth_dep)] if settings.OPENAPI_REQUIRE_AUTH else []
+        ),
     )
 
     @app.middleware("http")