feat: 屏蔽接口3(B端生发)

网关层直接拦截返回 1007，不再转发到 worker 池；worker 侧路由同步标记
deprecated 并短路返回，保留原参数签名避免老客户端裸 404。

Co-authored-by: Cursor <cursoragent@cursor.com>

app.py

@@ -808,6 +808,7 @@ async def hair_grow_v2():
     "/api/v1/hair/grow-b",
     summary="接口3 B端生发（医生/操作端）",
     tags=["生发"],
+    deprecated=True,
     description="""
 医生/操作端在用户照片上**手动用马克笔划线标注**目标发际线后，**只需上传这一张划线图**，返回：
 - 生发后效果图（系统检测划线 → 据此生成「植发 3 个月」效果）
@@ -849,34 +850,9 @@ async def hair_grow_b(
     use_mask: bool = Form(default=True, description="是否画发际线（测试对比用）。false 时跳过划线检测、直接送划线图"),
     prompt: str = Form(default="填充遮罩区域的头发，皮肤加一点磨皮，再加一点美颜", description="ComfyUI 提示词，会替换工作流节点60的文本"),
 ):
-    # 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)
-    if e is not None:
-        return e
-
-    marked = cv2.imdecode(np.frombuffer(marked_raw, np.uint8), cv2.IMREAD_COLOR)
-    if marked is None:
-        return err(1008, "图片格式不支持（仅 JPG / PNG）")
-
-    try:
-        from fastapi.concurrency import run_in_threadpool
-        from hairline.service import generate_grow_b
-
-        res = await run_in_threadpool(generate_grow_b, marked, use_mask, prompt)
-        if res["status"] == "no_face":
-            return err(1001, "无法识别人像")
-        if res["status"] == "no_line":
-            return err(1001, "未检测到发际线划线，请确认划线图额头有清晰的手绘发际线")
-
-        grown_b64 = _png_to_jpg_b64(res["grown_png"]) if res["grown_png"] else None  # 生发图 JPG
-        data = {
-            "hair_growth_image_base64": grown_b64,
-            "hairline_type": "custom",
-        }
-        return ok(data)
-    except Exception as ex:  # noqa: BLE001
-        logger.exception("接口3 处理异常")
-        return err(1007, f"处理失败：{ex}")
+    """接口3 已屏蔽：调用直接返回错误，不再执行生发/ComfyUI 逻辑。
+    保留路由（含原参数签名）避免老客户端裸 404，multipart 入参仍被接受但不处理。"""
+    return err(1007, "接口3（/api/v1/hair/grow-b）已屏蔽，暂不提供服务")
 
 
 # ---------------------------------------------------------------------------

gateway/app.py

@@ -539,10 +539,15 @@ async def hair_grow(request: Request):
     return await _proxy(request, "/api/v1/hair/grow")
 
 
-@app.post("/api/v1/hair/grow-b", tags=["生发"])
+@app.post("/api/v1/hair/grow-b", tags=["生发"], deprecated=True)
 async def hair_grow_b(request: Request):
-    """接口3：B端生发"""
-    return await _proxy(request, "/api/v1/hair/grow-b")
+    """接口3：B端生发（已屏蔽）"""
+    # 在网关层直接拦截，不转发到 worker 池——对所有上游 worker 立即生效。
+    import uuid as _uuid
+    return JSONResponse(status_code=200, content={
+        "code": 1007, "message": "接口3（/api/v1/hair/grow-b）已屏蔽，暂不提供服务",
+        "request_id": f"gw-{_uuid.uuid4().hex[:8]}", "data": None,
+    })
 
 
 @app.post("/api/v1/face/features", tags=["人脸分析"])