feat: add one-click sync for website group bindings

backend/app/routers/websites.py

@@ -30,7 +30,9 @@ from app.schemas.website import (
     WebsiteResponse,
     WebsiteSyncLogResponse,
     WebsiteUpdate,
+    WebsiteBatchSyncResponse,
 )
+
 from app.services.website_client import Sub2ApiWebsiteClient
 from app.services.website_sync import binding_sources, sync_binding, build_rate_priority_map
 from app.utils.auth import get_current_user
@@ -669,6 +671,69 @@ def list_bindings(db: Session = Depends(get_db), _=Depends(get_current_user)):
     return [_binding_response(db, row) for row in rows]
 
 
+@router.post("/api/websites/{wid}/group-bindings/sync-now", response_model=WebsiteBatchSyncResponse)
+def sync_website_group_bindings(
+    wid: int,
+    db: Session = Depends(get_db),
+    _=Depends(get_current_user),
+):
+    """一键同步网站下所有分组绑定。"""
+    website = db.query(Website).filter(Website.id == wid).first()
+    if not website:
+        raise HTTPException(404, "website not found")
+
+    bindings = db.query(WebsiteGroupBinding).filter(WebsiteGroupBinding.website_id == wid).order_by(WebsiteGroupBinding.id.asc()).all()
+    if not bindings:
+        return WebsiteBatchSyncResponse(
+            total=0, success=0, failed=0, skipped=0,
+            message="暂无绑定可同步",
+            logs=[],
+        )
+
+    results: list[WebsiteSyncLog] = []
+    for binding in bindings:
+        try:
+            log = sync_binding(db, binding, write=True)
+            results.append(log)
+        except Exception as exc:
+            logger.exception("batch sync failed for binding %s", binding.id)
+            # Create and persist a synthetic failed log if sync_binding crashed before creating one
+            synthetic_log = WebsiteSyncLog(
+                website_id=wid,
+                binding_id=binding.id,
+                target_group_id=binding.target_group_id,
+                target_group_name=binding.target_group_name,
+                algorithm=binding.algorithm,
+                percent=binding.percent,
+                source_rates_json="[]",
+                status="failed",
+                message=str(exc),
+                created_at=datetime.now(timezone.utc),
+            )
+            db.add(synthetic_log)
+            db.commit()
+            db.refresh(synthetic_log)
+            results.append(synthetic_log)
+
+    success_count = sum(1 for r in results if r.status == "success")
+    failed_count = sum(1 for r in results if r.status == "failed")
+    skipped_count = sum(1 for r in results if r.status == "skipped")
+    
+    msg_parts = []
+    if success_count: msg_parts.append(f"成功 {success_count}")
+    if failed_count: msg_parts.append(f"失败 {failed_count}")
+    if skipped_count: msg_parts.append(f"跳过 {skipped_count}")
+    
+    return WebsiteBatchSyncResponse(
+        total=len(bindings),
+        success=success_count,
+        failed=failed_count,
+        skipped=skipped_count,
+        message=f"同步完成：{'、'.join(msg_parts)}" if msg_parts else "同步完成",
+        logs=[_log_response(r) for r in results],
+    )
+
+
 @router.post("/api/group-bindings", response_model=BindingResponse, status_code=201)
 def create_binding(body: BindingCreate, db: Session = Depends(get_db), _=Depends(get_current_user)):
     website = db.query(Website).filter(Website.id == body.website_id).first()

backend/app/schemas/website.py

@@ -178,3 +178,12 @@ class ImportAccountsResponse(BaseModel):
     success: bool
     message: str
     items: list[ImportAccountItem]
+
+
+class WebsiteBatchSyncResponse(BaseModel):
+    total: int
+    success: int
+    failed: int
+    skipped: int
+    message: str
+    logs: list[WebsiteSyncLogResponse]