落地海运协同群：测服靠会话存档听群话，报价单能带上协同字段。

Co-authored-by: Cursor <cursoragent@cursor.com>

inquiry-agent/agent/routing/group_intent.py

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+"""
+海运协同群文字意图：DeepSeek A 判断补字段 / 产品报价 / 解散 / 其它。
+
+本文件职责：只分类，不写主账、不发企微。
+禁止：把「解散群」写成唯一口令；私聊按钮不走这里。
+"""
+
+from __future__ import annotations
+
+import logging
+from typing import Optional
+
+from agent.llm.extract_text import extract_collab_fields
+
+logger = logging.getLogger(__name__)
+
+INTENT_FIELDS = "collab_fields"
+INTENT_QUOTE = "product_quote"
+INTENT_DISSOLVE = "dissolve"
+INTENT_OTHER = "other"
+
+_VALID = {INTENT_FIELDS, INTENT_QUOTE, INTENT_DISSOLVE, INTENT_OTHER}
+
+
+def classify_group_text(
+    text: str,
+    *,
+    injected: str = "",
+    allow_network: Optional[bool] = None,
+) -> str:
+    """
+    群里一句文字的意图。单测可注入；正式走模型。
+
+    模型不可用时：只认带标签的协同字段（键：值是合同，不是口令），其余当其它。
+    """
+    hint = (injected or "").strip()
+    if hint in _VALID:
+        return hint
+    raw = (text or "").strip()
+    if not raw:
+        return INTENT_OTHER
+    try:
+        from agent.config import get_settings
+
+        settings = get_settings()
+        use_net = (
+            allow_network
+            if allow_network is not None
+            else bool(getattr(settings, "llm_allow_network", False))
+        )
+        if use_net and getattr(settings, "llm_data_usage_confirmed", False):
+            got = _classify_with_model(raw, settings)
+            if got in _VALID:
+                return got
+    except Exception:
+        logger.exception("群意图模型失败，回退标签字段")
+    if extract_collab_fields(raw):
+        return INTENT_FIELDS
+    from agent.llm.extract_text import extract_product_quote
+
+    if extract_product_quote(raw):
+        return INTENT_QUOTE
+    return INTENT_OTHER
+
+
+def _classify_with_model(text: str, settings) -> str:
+    """DeepSeek 只回一个意图词。失败空串。"""
+    from agent.llm.http_client import LlmHttpClient
+    from agent.llm.modes import LlmMode
+
+    client = LlmHttpClient.from_settings(settings)
+    system = (
+        "你是海运协同群意图分类。只回复一个英文词，不要解释。"
+        "collab_fields=在补贸易条款/货好时间/商品海关编码/含油含电含磁；"
+        "product_quote=产品在报价格或费用；"
+        "dissolve=要把这个协同群解散；"
+        "other=闲聊、问候、对询价港口的随口更正（不当改单）。"
+        "一句话里既补字段又报价，回 product_quote。"
+    )
+    data = client.chat(
+        mode=LlmMode.ORDERED_ACTIONS,
+        messages=[
+            {"role": "system", "content": system},
+            {"role": "user", "content": text[:2000]},
+        ],
+    )
+    content = str(getattr(data, "content", "") or "").strip().lower()
+    for token in (INTENT_QUOTE, INTENT_DISSOLVE, INTENT_FIELDS, INTENT_OTHER):
+        if token in content:
+            return token
+    return ""