Task 002: add shared domain contracts

apps/backend/src/presentation/main.py

@@ -1,10 +1,15 @@
+from typing import Any
+
 from fastapi import FastAPI
+from fastapi.openapi.utils import get_openapi
 from fastapi.responses import JSONResponse
 
-from src.infrastructure.dependencies import check_dependencies
+from src.domain.contracts.openapi import inject_contract_schemas
+from src.presentation.routes.articles import router as articles_router
 
 
 app = FastAPI(title="AI Content Pipeline Backend")
+app.include_router(articles_router)
 
 
 @app.get("/health")
@@ -14,6 +19,8 @@ def health() -> dict[str, str]:
 
 @app.get("/health/dependencies")
 def dependency_health() -> JSONResponse:
+    from src.infrastructure.dependencies import check_dependencies
+
     dependencies = check_dependencies()
     is_ok = all(status == "ok" for status in dependencies.values())
 
@@ -25,3 +32,20 @@ def dependency_health() -> JSONResponse:
             "dependencies": dependencies,
         },
     )
+
+
+def custom_openapi() -> dict[str, Any]:
+    if app.openapi_schema:
+        return app.openapi_schema
+
+    openapi_schema = get_openapi(
+        title=app.title,
+        version=app.version,
+        routes=app.routes,
+    )
+    inject_contract_schemas(openapi_schema)
+    app.openapi_schema = openapi_schema
+    return app.openapi_schema
+
+
+app.openapi = custom_openapi