Add app scaffold and workflows

app/backend/features/__init__.py

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+"""Domain feature modules."""

app/backend/features/auth/__init__.py

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+"""Auth feature placeholder."""

app/backend/features/auth/adapters/__init__.py

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+"""Adapters for auth integrations."""

app/backend/features/auth/adapters/fastapi_users.py

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+"""Placeholder for FastAPI Users integration."""
+
+# Add glue code for FastAPI Users when adopting that library.

app/backend/features/auth/dependencies.py

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+"""Authentication dependencies placeholder."""
+
+# Add FastAPI dependencies (e.g., current_user) when auth is implemented.

app/backend/features/auth/models.py

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+"""Authentication models placeholder."""
+
+# Add ORM models (e.g., SQLAlchemy) when auth is implemented.

app/backend/features/auth/permissions.py

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+"""Authentication permission placeholder."""
+
+# Define scopes/roles when auth is implemented.

app/backend/features/auth/router.py

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+"""Authentication router placeholder."""
+
+from fastapi import APIRouter
+
+router = APIRouter(prefix="/auth", tags=["auth"])
+
+
+@router.get("/noop", include_in_schema=False)
+def auth_not_implemented() -> dict:
+    """Placeholder endpoint to keep router wired."""
+    return {"status": "not_implemented"}

app/backend/features/auth/schemas.py

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+"""Authentication schemas placeholder."""
+
+# Add Pydantic models for auth requests/responses when implemented.

app/backend/features/auth/service.py

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+"""Authentication service placeholder."""
+
+# Add token generation/verification logic here.