Add backend and frontend skeleton

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.

app/backend/features/health/__init__.py

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+"""Health check feature."""

app/backend/features/health/router.py

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+"""Health endpoints."""
+
+from fastapi import APIRouter, Depends
+
+from core.config import Settings, get_settings
+from features.health.schemas import HealthResponse
+
+router = APIRouter(prefix="/health", tags=["health"])
+
+
+def build_health_payload(settings: Settings) -> HealthResponse:
+    """Build health response payload."""
+    return HealthResponse(
+        status="ok",
+        service=settings.service_name,
+        environment=settings.environment,
+    )
+
+
+@router.get("/", response_model=HealthResponse)
+def health(settings: Settings = Depends(get_settings)) -> HealthResponse:
+    """Return lightweight health status."""
+    return build_health_payload(settings)

app/backend/features/health/schemas.py

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+"""Pydantic schemas for health responses."""
+
+from pydantic import BaseModel, Field
+
+
+class HealthResponse(BaseModel):
+    status: str = Field(default="ok", description="Overall service status.")
+    service: str = Field(default="backend", description="Service name.")
+    environment: str = Field(default="development", description="Runtime environment.")