增加数据同步功能，支持从 akshare 拉取合约日线并自动计算振幅

ft-app/app/routers/admin.py

@@ -3,6 +3,7 @@ from fastapi.responses import HTMLResponse, RedirectResponse
 from sqlalchemy.orm import Session
 from app.database import get_db
 from app.models import Product, Contract
+from app.collector import sync_active_contracts, sync_one_contract
 
 router = APIRouter(prefix="/admin", tags=["admin"])
 
@@ -105,3 +106,17 @@ def delete_product(product_id: int, db: Session = Depends(get_db)):
         db.delete(p)
         db.commit()
     return RedirectResponse("/admin/", status_code=303)
+
+
+@router.post("/sync")
+def sync_all(request: Request):
+    results = sync_active_contracts()
+    total = sum(results.values())
+    print(f"[sync] Synced {total} bars across {len(results)} contracts: {results}")
+    return RedirectResponse("/admin/?synced=" + str(total), status_code=303)
+
+
+@router.post("/sync/{contract_code}")
+def sync_single(contract_code: str):
+    count = sync_one_contract(contract_code.upper())
+    return RedirectResponse(f"/admin/?synced={count}", status_code=303)