feat: seed données initiales (114 produits + 9 magasins) au démarrage

backend/app/data/seed.py

@@ -0,0 +1,42 @@
+"""
+Lance le seed uniquement si la table shopping.stores est vide.
+Usage : python -m app.data.seed
+"""
+import asyncio
+import json
+from pathlib import Path
+
+from sqlalchemy import select
+
+from app.core.database import AsyncSessionLocal
+from app.models.shopping import Product, Store
+
+DATA_DIR = Path(__file__).parent
+
+
+async def run_seed() -> None:
+    async with AsyncSessionLocal() as session:
+        count = await session.scalar(select(Store).limit(1))
+        if count is not None:
+            print("Seed déjà chargé — rien à faire.")
+            return
+
+        stores_raw = json.loads((DATA_DIR / "seed_stores.json").read_text())
+        for s in stores_raw:
+            session.add(Store(name=s["name"], location=s.get("location")))
+
+        products_raw = json.loads((DATA_DIR / "seed_products.json").read_text())
+        for p in products_raw:
+            session.add(Product(
+                name=p["name"],
+                category=p.get("category"),
+                default_unit=p.get("default_unit"),
+                frequency_score=p.get("frequency_score", 0),
+            ))
+
+        await session.commit()
+        print(f"Seed : {len(stores_raw)} magasins, {len(products_raw)} produits chargés.")
+
+
+if __name__ == "__main__":
+    asyncio.run(run_seed())

backend/app/main.py

@@ -1,10 +1,19 @@
+from contextlib import asynccontextmanager
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from app.api.health import router as health_router
 from app.api.media import router as media_router
 from app.core.config import settings
+from app.data.seed import run_seed
 
-app = FastAPI(title="HomeHub API", version="0.1.0")
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    await run_seed()
+    yield
+
+
+app = FastAPI(title="HomeHub API", version="0.1.0", lifespan=lifespan)
 
 app.add_middleware(
     CORSMiddleware,