修改calman灰阶点击异常、修改色准结果显示异常

app/views/panels/ai_image_panel.py

@@ -803,17 +803,22 @@ def _on_upload_done(self: "PQAutomationApp", name: str, url: str, exc):
 
 
 def _clear_reference_image(self: "PQAutomationApp"):
-    """清除手动上传的参考图，同时清除当前会话的自动链路参考。"""
+    """清除手动上传的参考图。
+
+    v2.1 规则要求：从第二轮开始应使用最近一次成功生成图作为输入，
+    因此这里不清除会话级自动链路参考；若需彻底重置，请点“新对话”。
+    """
     if getattr(self, "_ai_image_requesting", False):
         return
     self._ai_image_pending_ref_url = ""
     self._ai_image_pending_ref_name = ""
-    sid = _svc.get_session_id()
-    refs = getattr(self, "_ai_image_session_refs", None)
-    if isinstance(refs, dict):
-        refs.pop(sid, None)
     _refresh_ref_label(self)
-    self.ai_image_status_var.set("已清除参考图，切换为文生图模式")
+    sid = _svc.get_session_id()
+    refs = getattr(self, "_ai_image_session_refs", None) or {}
+    if (refs.get(sid) or "").strip():
+        self.ai_image_status_var.set("已清除手动参考图，当前会话仍沿用上一轮生成图")
+    else:
+        self.ai_image_status_var.set("已清除参考图，当前为文生图模式")
 
 
 def _session_id_for_item(self: "PQAutomationApp", item_id: str) -> str: