Initial commit with Phase 0 Scaffolding

backend/app/api/__init__.py

@@ -0,0 +1 @@
+# API v1 package init

backend/app/api/v1/__init__.py

@@ -0,0 +1,10 @@
+"""API v1 router — aggregates all sub-routers."""
+
+from fastapi import APIRouter
+
+from app.api.v1.health import router as health_router
+
+router = APIRouter(prefix="/api/v1")
+
+# Health (unauthenticated)
+router.include_router(health_router)

backend/app/api/v1/health.py

@@ -0,0 +1,13 @@
+"""Health check endpoint — unauthenticated."""
+
+from fastapi import APIRouter
+
+from app.config import settings
+
+router = APIRouter(tags=["health"])
+
+
+@router.get("/health")
+def health_check() -> dict[str, str]:
+    """Return service health status and version."""
+    return {"status": "ok", "version": settings.APP_VERSION}