refactor: simplify gemini flow and tighten human-like short replies

qingjian_cs/app/client.py

@@ -113,8 +113,13 @@ class QingjianClient:
         t = self._humanize_reply(t)
         if len(t) <= max_len:
             return t
+        # 优先按句号切，避免把一句话硬腰斩成“AI半句”
         parts = re.split(r"[。！？!?]", t)
-        head = next((p.strip() for p in parts if p and p.strip()), t)
+        head = next((p.strip() for p in parts if p and p.strip()), "")
+        if not head:
+            # 无句号时按逗号切第一短分句
+            sub_parts = re.split(r"[，,；;：:]", t)
+            head = next((p.strip() for p in sub_parts if p and p.strip()), t)
         if len(head) > max_len:
             head = head[:max_len].rstrip("，,;；:： ")
         return head or t[:max_len]
@@ -122,6 +127,15 @@ class QingjianClient:
     @staticmethod
     def _humanize_reply(text: str) -> str:
         t = str(text or "").strip()
+        # 去AI腔常见口癖
+        t = re.sub(r"^(亲亲|宝子|宝贝|您好呀|您好哦)[，,]?\s*", "", t)
+        t = t.replace("我这边", "我")
+        t = t.replace("请问", "")
+        t = t.replace("可以先帮您评估看看哦", "我先看下")
+        t = t.replace("服务质量有保障", "质量没问题")
+        t = t.replace("这个价格已经是很优惠的啦", "这价已经很低了")
+        t = re.sub(r"(哈~|哦~|呀~|啦~)$", "", t)
+        t = re.sub(r"\s+", "", t)
         return t
 
     @staticmethod