修改接口3 加入是否用遮罩接口

app.py

@@ -594,6 +594,7 @@ async def hair_grow_b(
     marked_image_file: Optional[UploadFile] = File(default=None, description="划线图片文件（JPG/PNG，≤ 1 MB）"),
     marked_image_url: Optional[str] = Form(default=None, description="划线图片 URL"),
     marked_image_base64: Optional[str] = Form(default=None, description="划线图片 base64"),
+    use_mask: bool = Form(default=True, description="是否启用自动检测遮罩（测试对比用）。false 时跳过检测、直接送划线图（空遮罩）"),
 ):
     # 划线图三选一取图（只需这一张）
     marked_raw, e = await resolve_image_bytes(marked_image_file, marked_image_url, marked_image_base64)
@@ -615,7 +616,7 @@ async def hair_grow_b(
         from fastapi.concurrency import run_in_threadpool
         from hairline.service import generate_grow_b
 
-        res = await run_in_threadpool(generate_grow_b, marked)
+        res = await run_in_threadpool(generate_grow_b, marked, use_mask)
         if res["status"] == "no_face":
             return err(1001, "无法识别人像")
         if res["status"] == "no_line":