refactor(xxm): use [YOU] prefix for TUI context (align with Hermes)

gateway/scripts/chat_bridge.py

@@ -393,6 +393,19 @@ class SessionBridge:
         except Exception:
             return ""
 
+    def _format_tui_context(self, raw_ctx: str) -> str:
+        """Mark bot's own TUI messages with [YOU] so LLM recognises itself."""
+        lines = []
+        for line in raw_ctx.split("\n"):
+            line = line.strip()
+            if not line:
+                continue
+            if "小小莫" in line:
+                lines.append(f"[YOU] {line}")
+            else:
+                lines.append(line)
+        return "\n".join(lines)
+
     def _append_to_log(self, role: str, content: str, source: str = "bridge"):
         try:
             entry = json.dumps(
@@ -693,12 +706,7 @@ class SessionBridge:
                     from session_router import extract_session_context
                     tui_ctx = extract_session_context(tui_sid, limit=50)
                     if tui_ctx:
-                        sys_prompt += (
+                        sys_prompt += f"\n\n{self._format_tui_context(tui_ctx)}"
-                            "\n\n【你的 TUI 工作台最近对话】"
-                            f"\n（老莫在 TUI 和你讨论这些时，转发了群聊消息，"
-                            f"请结合下面的 TUI 对话理解他在群里的意图。"
-                            f"群聊和 TUI 是同一个人，两份上下文关联看）\n{tui_ctx}"
-                        )
                 except Exception:
                     pass