功能：交互Agent支持图片驱动的手动工单创建流程

app/services/session_manager.py

@@ -18,13 +18,18 @@ class UserSession:
 
     def __init__(self, user_id: str):
         self.user_id = user_id
-        self.state = "idle"  # idle / waiting_close_photo
+        self.state = "idle"  # idle / waiting_close_photo / waiting_manual_order_area / waiting_manual_order_remark / waiting_manual_order_confirm
         self.pending_image_url = ""      # 暂存的图片 COS key
         self.pending_analysis = ""       # VLM 分析结果描述
         self.pending_alarm_type = ""     # VLM 识别的告警类型
         self.pending_order_id = ""       # 待结单的工单 ID
         self.pending_alarm_id = ""       # 关联的告警 ID
         self.pending_images: List[str] = []  # 暂存用户上传的图片 URL（用于工单结单）
+        self.pending_manual_order_images: List[str] = []
+        self.pending_manual_order_area_id = ""
+        self.pending_manual_order_area_name = ""
+        self.pending_manual_order_area_options: List[Dict] = []
+        self.pending_manual_order_remark = ""
         self.history: List[Dict] = []    # 对话历史 [{"role": "user/assistant", "content": ...}]
         self.updated_at = time.time()
 
@@ -43,6 +48,11 @@ class UserSession:
         self.pending_order_id = ""
         self.pending_alarm_id = ""
         self.pending_images = []
+        self.pending_manual_order_images = []
+        self.pending_manual_order_area_id = ""
+        self.pending_manual_order_area_name = ""
+        self.pending_manual_order_area_options = []
+        self.pending_manual_order_remark = ""
 
     def add_history(self, role: str, content):
         """添加对话记录，content 可以是 str 或 list（多模态）"""