移除全部合约同步按钮，改为单合约后台同步带进度条

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ft-app/app/routers/admin.py

@@ -4,8 +4,7 @@ from sqlalchemy.orm import Session
 from app.database import get_db
 from app.models import Product, Contract, DailyBar, PositionRanking
 from app.collector import (
-    sync_active_contracts, sync_one_contract, sync_position_rankings,
-    start_sync_positions_background, get_sync_progress,
+    sync_one_contract, sync_contract_bars_bg, sync_positions_bg, get_progress,
 )
 
 router = APIRouter(prefix="/admin", tags=["admin"])
@@ -134,31 +133,27 @@ def delete_product(product_id: int, db: Session = Depends(get_db)):
     return RedirectResponse("/admin/?tab=product", 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(f"/admin/?tab=sync&synced={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/?tab=sync&synced={count}", status_code=303)
 
 
-@router.post("/sync-positions")
-def sync_positions(request: Request):
-    started = start_sync_positions_background()
-    if not started:
-        return JSONResponse({"error": "同步正在进行中，请等待完成"})
-    return JSONResponse({"started": True})
+@router.post("/sync/{contract_code}/bg")
+def sync_single_bg(contract_code: str):
+    ok = sync_contract_bars_bg(contract_code.upper())
+    return JSONResponse({"ok": ok})
+
+
+@router.post("/sync-positions/{contract_code}/bg")
+def sync_positions_bg_ep(contract_code: str):
+    ok = sync_positions_bg(contract_code.upper())
+    return JSONResponse({"ok": ok})
 
 
 @router.get("/sync-status")
 def sync_status():
-    return JSONResponse(get_sync_progress())
+    return JSONResponse(get_progress())
 
 
 @router.post("/sync/product/{product_id}")