feat: adaptive debounce and intent-driven quote trigger tuning

core/pydantic_ai_agent.py

@@ -1487,7 +1487,11 @@ class CustomerServiceAgent:
                 state.image_count = len(state.pending_image_urls)
                 self._sync_pending_quote_state(message.from_id, state)
 
-                if self._is_batch_finish_signal(customer_text):
+                if self._is_batch_finish_intent(
+                    text=customer_text,
+                    state=state,
+                    has_incoming_urls=bool(incoming_urls),
+                ):
                     quote_res = await self._quote_pending_images(state, message)
                     reply_text = quote_res.get("reply", "")
                     need_transfer = bool(quote_res.get("need_transfer"))
@@ -1509,7 +1513,11 @@ class CustomerServiceAgent:
                 if text_without_urls:
                     self._append_requirement(state, text_without_urls)
                     self._sync_pending_quote_state(message.from_id, state)
-                if self._is_batch_finish_signal(customer_text):
+                if self._is_batch_finish_intent(
+                    text=customer_text,
+                    state=state,
+                    has_incoming_urls=False,
+                ):
                     quote_res = await self._quote_pending_images(state, message)
                     reply_text = quote_res.get("reply", "")
                     need_transfer = bool(quote_res.get("need_transfer"))
@@ -2057,23 +2065,86 @@ class CustomerServiceAgent:
         ]
         return any(k in text for k in finish_keywords)
 
+    def _is_batch_finish_intent(
+        self,
+        text: str,
+        state: ConversationState,
+        has_incoming_urls: bool,
+    ) -> bool:
+        """
+        语义结束识别：
+        - 显式口令：发完了/统一报价
+        - 隐式意图：询价/砍价
+        - 单图需求明确：如“这个门头上面的字做一下”可直接进入报价
+        """
+        if not text:
+            return False
+        if self._is_batch_finish_signal(text):
+            return True
+        if has_incoming_urls:
+            return False
+        if not state.pending_image_urls:
+            return False
+
+        # 意图识别：询价/砍价通常意味着“可以报价了”
+        try:
+            from utils.intent_analyzer import detect_intent_embedding, detect_intent_keywords
+            intent = detect_intent_embedding(text) or detect_intent_keywords(text)
+        except Exception:
+            intent = ""
+        if intent in ("询价", "砍价"):
+            return True
+
+        msg = (text or "").strip()
+        if not msg:
+            return False
+        # 单图场景：客户给出明确加工指令，可直接报价
+        single_image_action_kw = (
+            "做一下", "改一下", "处理一下", "就这张", "按这个做", "照这个做",
+            "这个门头", "上面的字", "这个字", "这个图做", "能做吗",
+        )
+        multi_image_finish_kw = (
+            "就这些", "就这几张", "按这几张", "这几张一起做", "一起做一下",
+            "先按这些", "先按这几张", "直接报价", "现在报价", "看下报价",
+            "先报个总价", "总价多少", "一起多少钱", "先做这几张",
+        )
+        hold_kw = ("还有", "再发", "先等", "稍后", "等会", "回头")
+        if len(state.pending_image_urls) == 1:
+            if any(k in msg for k in single_image_action_kw) and not any(k in msg for k in hold_kw):
+                return True
+        elif len(state.pending_image_urls) >= 2:
+            if any(k in msg for k in multi_image_finish_kw) and not any(k in msg for k in hold_kw):
+                return True
+
+        return False
+
     def _build_collect_ack(self, count: int) -> str:
         if count <= 1:
-            return "收到这张图了，你还有图就继续发；发完我再一起给你报价。"
+            one_templates = [
+                "这张收到啦，还有图就继续发，我一起给你看。",
+                "图我看到了，后面还有就接着发，最后我一口价给你。",
+                "收到这张了，你有其他图也发来，我统一帮你算。",
+            ]
+            return random.choice(one_templates)
         templates = [
-            "收到，这边先记下了（已收{n}张）。你继续发，等你发完我再一起给你打包报价。",
-            "好的，当前这批先收到了（第{n}张）。还有图就继续发，发齐我一次性给你总价。",
-            "没问题，已记录到第{n}张。你把需求和图片都发完，我统一给你报更合适的价格。",
+            "这几张我都收到了（现在{n}张）。还有的话继续发，我一起给你报。",
+            "好嘞，先看到{n}张了。你可以继续发，或者直接说“就这些”我现在就报价。",
+            "收到哈（共{n}张）。你还要补图就继续发，不补的话我现在也可以直接给价。",
         ]
         return random.choice(templates).format(n=count)
 
     def _build_collect_remind(self, count: int) -> str:
         if count <= 1:
-            return "需求我记下了。你如果还有图继续发，发完回我“发完了”，我给你报价。"
+            one_templates = [
+                "这个要求我记住了。你还有图就继续发，不补图我就按这张给你报价。",
+                "明白，这个需求我加上了。你继续发图也行，想直接报价也可以。",
+                "收到，我按你这个要求做。你要是就这张，我现在就能给你报价。",
+            ]
+            return random.choice(one_templates)
         templates = [
-            "需求我记下了（当前共{n}张图）。你继续发齐，发完回我“发完了”，我一次性给你总价。",
-            "好的，这条需求也加上了（现在{n}张）。等你说发完，我立刻统一报价。",
-            "收到，这个要求我也记住了（共{n}张）。你发完我就给你打包价。",
+            "需求我记下了（当前{n}张）。你继续补图，或者直接说“就这些”我现在报价。",
+            "好，这个要求也加上了（现在{n}张）。不再补图的话我立刻给你打包价。",
+            "收到（共{n}张）。你还发就继续，不发的话我现在就给总价。",
         ]
         return random.choice(templates).format(n=count)
 
@@ -2149,19 +2220,34 @@ class CustomerServiceAgent:
         # 单图时不要使用“分图/这批/A-B方案”措辞，避免客户误解为多图。
         if len(results) == 1:
             line = detail_lines[0].replace("图1：", "这张：")
-            lines = [f"给你报下这张：{line.split('：', 1)[1]}"]
+            heads = [
+                "这张我看过了，先给你报下：",
+                "这张可以做，价格给你报下：",
+                "看了这张图，报价如下：",
+            ]
+            lines = [f"{random.choice(heads)}{line.split('：', 1)[1]}"]
             if req_hit:
                 lines.append(f"按你的需求另加{extra}元（{req_hit}）。")
-            lines.append(f"这张做下来共{single_total}元，可以的话我马上安排。")
+            tails = [
+                f"这张做下来共{single_total}元，定了我马上开工。",
+                f"合下来是{single_total}元，你点头我这边立刻安排。",
+                f"总价{single_total}元，可以的话我现在就给你做。",
+            ]
+            lines.append(random.choice(tails))
             return "\n".join(lines)
 
-        lines = ["先给你分图报下："]
+        heads = [
+            "我先按这几张给你报一下：",
+            "这几张我都看过了，价格给你列一下：",
+            "我把每张价格先给你说清楚：",
+        ]
+        lines = [random.choice(heads)]
         lines.extend(detail_lines)
         if req_hit:
             lines.append(f"需求加价：+{extra}元（{req_hit}）")
-        option_line = f"可选：A按单张做共{single_total}元；B打包一起做{bundle_price}元（更划算）。"
+        option_line = f"可选：按单张做（共{single_total}元），或打包做（{bundle_price}元，会更省一点）。"
         lines.append(option_line)
-        lines.append("你定一个方案，我这边马上安排。")
+        lines.append("你定一个，我这边马上开工。")
         return "\n".join(lines)
 
     def _prepare_batch_intake(self, state: ConversationState) -> Dict[str, Any]:

core/websocket_client.py

@@ -4,6 +4,7 @@ import json
 import re
 import logging
 import random
+import secrets
 import time
 import hashlib
 from collections import deque
@@ -88,6 +89,7 @@ class QingjianAPIClient:
 
         # 消息防抖：同一客户连续发消息时，等待 N 秒后合并处理
         self._DEBOUNCE_SECONDS = MESSAGE_DEBOUNCE_SECONDS if isinstance(MESSAGE_DEBOUNCE_SECONDS, int) else 8
+        self._adaptive_debounce_enabled = os.getenv("ADAPTIVE_DEBOUNCE_ENABLED", "true").lower() in ("1", "true", "yes")
         self._debounce_tasks: dict = {}    # customer_key -> asyncio.Task
         self._pending_msgs: dict = {}      # customer_key -> list[data]
         self._image_enabled = IMAGE_MODULE_ENABLED
@@ -436,9 +438,11 @@ class QingjianAPIClient:
         if old_task and not old_task.done():
             old_task.cancel()
 
+        debounce_seconds = self._pick_debounce_seconds(data, msg_body)
+
         # 创建新的延迟处理任务
-        async def _delayed(capture_key, capture_data):
-            await asyncio.sleep(self._DEBOUNCE_SECONDS)
+        async def _delayed(capture_key, capture_data, wait_s: float):
+            await asyncio.sleep(wait_s)
             msgs = self._pending_msgs.pop(capture_key, [])
             if not msgs:
                 return
@@ -451,9 +455,88 @@ class QingjianAPIClient:
             merged_data['msg'] = merged_msg
             await self._agent_reply_serialized(merged_data)
 
-        task = asyncio.create_task(_delayed(key, data))
+        task = asyncio.create_task(_delayed(key, data, debounce_seconds))
         self._debounce_tasks[key] = task
 
+    @staticmethod
+    def _rand_between(low: float, high: float) -> float:
+        if high <= low:
+            return float(low)
+        # 使用 secrets 增强随机性，避免固定周期导致机械感
+        span = high - low
+        return round(low + span * (secrets.randbelow(1000) / 1000.0), 2)
+
+    def _guess_intent_for_debounce(self, msg: str) -> str:
+        text = (msg or "").strip()
+        if not text:
+            return "unknown"
+        if self._msg_has_image_url(text):
+            return "image"
+        try:
+            from utils.intent_analyzer import detect_intent_keywords
+            intent = detect_intent_keywords(text)
+        except Exception:
+            intent = ""
+        if intent:
+            return intent
+        lower = text.lower()
+        if any(k in lower for k in ["报价", "多少钱", "价格", "贵", "优惠"]):
+            return "询价"
+        if any(k in lower for k in ["做一下", "改一下", "需求", "门头", "上面的字", "处理"]):
+            return "修改"
+        if any(k in lower for k in ["在吗", "你好", "有人"]):
+            return "打招呼"
+        return "unknown"
+
+    @staticmethod
+    def _looks_like_requirement_text(msg: str) -> bool:
+        text = (msg or "").strip().lower()
+        if not text:
+            return False
+        req_kw = (
+            "做一下", "改一下", "处理一下", "这个字", "上面的字", "门头", "去背景", "抠图",
+            "换色", "调色", "清晰", "高清", "尺寸", "比例", "横版", "竖版", "排版", "改字",
+            "按这个做", "照这个做", "就这张", "看看做", "弄一下",
+        )
+        return any(k in text for k in req_kw)
+
+    def _pick_debounce_seconds(self, data: dict, msg: str) -> float:
+        """意图驱动防抖：不同意图不同等待区间，并引入轻微随机。"""
+        base = max(1.0, float(self._DEBOUNCE_SECONDS))
+        if not self._adaptive_debounce_enabled:
+            return base
+
+        intent = self._guess_intent_for_debounce(msg)
+        is_req = self._looks_like_requirement_text(msg)
+        has_img = self._msg_has_image_url(msg)
+        # 区间策略：越明确、越短消息，等待越短；需求描述类稍长
+        if intent == "打招呼":
+            low, high = 1.0, min(3.0, base)
+        elif intent in ("询价", "砍价"):
+            low, high = 2.0, min(5.0, base)
+        elif intent in ("修改", "批量"):
+            low, high = max(3.0, base * 0.65), min(18.0, base + 2.0)
+        elif intent == "转接":
+            low, high = 1.0, 2.5
+        else:
+            low, high = max(2.0, base * 0.5), base
+
+        # 发图后的需求描述，优先“多等一点”收集完整需求，减少半句回复
+        if is_req and not has_img:
+            low = max(low, min(10.0, base * 0.8))
+            high = max(high, min(20.0, base + 4.0))
+
+        # 短句更快，长句稍慢，避免把连续半句拆开
+        text_len = len((msg or "").strip())
+        if text_len <= 4:
+            high = min(high, max(low + 0.2, 2.5))
+        elif text_len >= 18:
+            low = min(high, low + 0.6)
+
+        wait_s = self._rand_between(low, high)
+        logger.info(f"防抖等待 {wait_s}s | intent={intent} | len={text_len}")
+        return wait_s
+
     def _msg_has_image_url(self, msg: str) -> bool:
         """判断文本消息里是否包含图片URL（客户粘贴了图片链接，可能带前缀文字如 有吗#*#https://...）"""
         if not msg:

tests/test_regression_pipeline.py

@@ -61,6 +61,58 @@ class RegressionPipelineTest(unittest.IsolatedAsyncioTestCase):
         self.assertIn("15", resp.reply)
         agent._quote_pending_images.assert_awaited()
 
+    async def test_single_image_requirement_intent_triggers_quote(self):
+        agent = CustomerServiceAgent()
+        st = agent._get_conversation_state(self.customer_id)
+        st.pending_image_urls = ["https://img.alicdn.com/a.jpg"]
+        st.pending_requirements = []
+        agent._sync_pending_quote_state(self.customer_id, st)
+        agent._quote_pending_images = AsyncMock(return_value={"reply": "这张20元，定了我马上做", "need_transfer": False})
+
+        msg = CustomerMessage(
+            msg_id="m3",
+            acc_id="test_shop",
+            msg="这个门头上面的字做一下",
+            from_id=self.customer_id,
+            from_name="t",
+            cy_id=self.customer_id,
+            acc_type="AliWorkbench",
+            msg_type=0,
+            cy_name="t",
+            goods_name="专业找图",
+            goods_order="",
+        )
+        resp = await agent.process_message(msg)
+        self.assertTrue(resp.should_reply)
+        self.assertIn("20", resp.reply)
+        agent._quote_pending_images.assert_awaited()
+
+    async def test_multi_image_finish_intent_triggers_quote(self):
+        agent = CustomerServiceAgent()
+        st = agent._get_conversation_state(self.customer_id)
+        st.pending_image_urls = ["https://img.alicdn.com/a.jpg", "https://img.alicdn.com/b.jpg"]
+        st.pending_requirements = ["改字"]
+        agent._sync_pending_quote_state(self.customer_id, st)
+        agent._quote_pending_images = AsyncMock(return_value={"reply": "两张打包45，定了我就开做", "need_transfer": False})
+
+        msg = CustomerMessage(
+            msg_id="m4",
+            acc_id="test_shop",
+            msg="就这几张，先按这些报个价",
+            from_id=self.customer_id,
+            from_name="t",
+            cy_id=self.customer_id,
+            acc_type="AliWorkbench",
+            msg_type=0,
+            cy_name="t",
+            goods_name="专业找图",
+            goods_order="",
+        )
+        resp = await agent.process_message(msg)
+        self.assertTrue(resp.should_reply)
+        self.assertIn("45", resp.reply)
+        agent._quote_pending_images.assert_awaited()
+
     async def test_pending_state_restore(self):
         db.update_pending_quote_state(self.customer_id, ["u1", "u2"], ["r1"])
         agent = CustomerServiceAgent()