feat: improve first-turn and delayed-image replies

core/orchestrator.py

@@ -256,6 +256,15 @@ class SystemOrchestrator:
             sanitized.append(normalized)
         return sanitized
 
+    @staticmethod
+    def _ensure_first_reply_presence(text: str) -> str:
+        cleaned = str(text or "").strip()
+        if not cleaned:
+            return "在呢"
+        if cleaned.startswith(("在呢", "在哈", "在的", "在哦", "在")):
+            return cleaned
+        return f"在呢，{cleaned}"
+
     @staticmethod
     def _extract_designer_name(transfer_cmd: str) -> str:
         text = str(transfer_cmd or "").strip()
@@ -625,12 +634,19 @@ class SystemOrchestrator:
                     total_elapsed = time.time() - process_start
                     logger.info(f"[计时] user={user_id} AI思考: {ai_elapsed:.1f}s | 总耗时: {total_elapsed:.1f}s")
 
+                is_new_customer_first_turn = len(ai_history) == 0
+
                 # F. 发送并记录时间
                 if std_res.should_reply:
                     std_res.reply_content = self._sanitize_outbound_text(std_res.reply_content)
                     meta = dict(std_res.metadata or {})
                     meta.update({"acc_id": acc_id, "acc_type": acc_type})
+                    if is_new_customer_first_turn and "[转移会话]" in std_res.reply_content:
+                        if not str(meta.get("transfer_prelude") or "").strip():
+                            meta["transfer_prelude"] = "在呢，我叫设计师看下哈"
                     std_res.metadata = meta
+                    if is_new_customer_first_turn and "[转移会话]" not in std_res.reply_content and int(std_res.msg_type or 0) == 0:
+                        std_res.reply_content = self._ensure_first_reply_presence(std_res.reply_content)
 
                     # 转接场景：先发一句安抚话，再发转接指令
                     if "[转移会话]" in std_res.reply_content: