fix: 语义化页面身份识别修复——create_meeting url_patterns 收紧 + meeting_detail fingerprint 修正

步骤15「点击取消会议」报"选择器不能为空"根因：create_meeting 万能 url_pattern
`meetingV3` 与详情页 `meetingV3.*Detail` 双命中（meetingDetail 含大写 Detail）
→ fingerprint 判存失败（详情页实测 0 个 .room、0 个 .topic_item input）
→ recognize_current_page 返回 None → scope 软更新失败 → 语义解析链中断。

修复（page_url_mapping.json）：
- create_meeting url_patterns: ["meetingV3"] → ["meetingV3.*CreateMeeting", "meetingV3.*createMeeting"]
- meeting_detail fingerprint: .room:has-text('会议') → .detail_top（详情页 1 / 新建页 0，天然区分）

配套：
- semantic_resolver.py: scope 软更新重识别当前页面后与期望 scope 比对
- test_page_url_service.py: 新增 3 条回归测试（详情页识别/新建页不误判/列表页 None）

验证：语义化验证版用例（16步，剔除 finally 清理）真实执行连跑两次全绿
（exec_1ff18a20 / exec_2eb7c625，约 92s/次），5.44 会议列表零残留。
参考 _PRD_复杂用例通用执行机制_语义化用例执行.md
Co-Authored-By: Claude <noreply@anthropic.com>

backend/app/data/page_url_mapping.json

@@ -7,7 +7,8 @@
       "name": "新建会议",
       "url": "https://192.168.5.44/#/meetingV3?meetingV3=%2FmeetingV3%2F%23%2FCreateMeeting",
       "url_patterns": [
-        "meetingV3"
+        "meetingV3.*CreateMeeting",
+        "meetingV3.*createMeeting"
       ],
       "fingerprint": [
         {"selector": ".topic_item input", "min_count": 1}
@@ -54,7 +55,7 @@
         "MeetingDetail"
       ],
       "fingerprint": [
-        {"selector": ".room:has-text('会议')", "min_count": 1}
+        {"selector": ".detail_top", "min_count": 1}
       ]
     }
   ]

backend/app/services/semantic_resolver.py

@@ -26,6 +26,7 @@ from typing import Any, Dict, List, Optional
 from app.config import settings
 from app.services.element_mapping_service import get_element_mapping_service
 from app.services.claude_service import get_claude_service
+from app.services.page_url_service import get_page_url_service
 from app.services.keyword_matcher import (
     extract_keywords,
     match_element_by_keywords,
@@ -119,13 +120,30 @@ class SemanticResolver:
             contains = ctx.render(contains)
             contains = str(contains).strip() if contains else None
 
-        # 2. scope 校验：期望 scope 与实际不符 → 不覆盖（零行为变化）
+        # 2. scope 校验：期望 scope 与实际不符 → 软处理。
+        #    执行器 _current_scope 只在登录/URL直达后同步，普通 click 跳转（如
+        #    「查看详情」→会议详情页）后不更新 → 这里重新识别当前页面一次：
+        #    页面确实已跳转到期望 scope 则更新继续解析；否则才拦截（防跨页误配）。
         expected_scope = target.get("scope")
         if expected_scope and scope and expected_scope != scope:
-            logger.debug(
-                f"[semantic] scope 不符，跳过语义解析: 期望 {expected_scope}, 实际 {scope}"
-            )
-            return None
+            fresh_scope = None
+            try:
+                rec = get_page_url_service().recognize_current_page(page)
+                fresh_scope = rec["id"] if rec else None
+            except Exception:
+                fresh_scope = None
+            if fresh_scope and fresh_scope == expected_scope:
+                logger.info(
+                    f"[semantic] scope 软更新: 期望 {expected_scope}, 页面实际识别为 "
+                    f"{fresh_scope}（原 {scope}），继续解析"
+                )
+                scope = fresh_scope
+            else:
+                logger.debug(
+                    f"[semantic] scope 不符，跳过语义解析: 期望 {expected_scope}, "
+                    f"实际 {scope}, 重识别 {fresh_scope or '未识别'}"
+                )
+                return None
 
         # 3. 映射表 v2 精确键（阶段 5 提供 lookup_by_key；未实现时走规则）
         v2 = self._mapping_v2_lookup(target, text, ctype)

backend/scripts/create_and_run_semantic_verify.py

+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+模块名称：create_and_run_semantic_verify.py
+模块描述：创建「新建会议-语义化验证版」用例（去掉 finally 步骤）并触发真实执行
+
+阶段 6 真实执行验证用：正式示范用例的 finally 清理端点（POST /api/meeting/query）
+是 PRD 占位，5.44 走 MQTT 无 HTTP 端点，直接跑必失败并把主流程翻 failed。
+本脚本复制 build_steps() 但弹出 finally 步骤，先验证 16 步主流程 UI 链路。
+
+用法：python scripts/create_and_run_semantic_verify.py
+输出：case_id + execution_id（随后轮询 /api/executions/{id}）
+
+作者：czj
+创建日期：2026-08-18
+"""
+
+import asyncio
+import sys
+import io
+import os
+
+import httpx
+
+# 确保可从 scripts 目录 import 到 create_semantic_meeting_case
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+from create_semantic_meeting_case import (  # noqa: E402
+    BASE_URL,
+    MEETING_MODULE_ID,
+    CASE_PARAMETERS,
+    DEFAULT_CONFIG,
+    build_steps,
+)
+
+# 验证版用例名（与正式版区分，幂等先删后建）
+VERIFY_CASE_NAME = "新建会议-语义化验证版（临时-无finally）"
+
+
+def build_verify_steps() -> list:
+    """复制正式版步骤，弹出 finally 清理步骤（order 17）"""
+    steps = build_steps()
+    assert steps[-1].get("run_on") == "finally", "最后一步应为 finally 清理步骤"
+    verify_steps = steps[:-1]
+    print(f"  验证版步骤数: {len(verify_steps)}（已剔除 finally 清理步骤）")
+    return verify_steps
+
+
+async def delete_existing(client: httpx.AsyncClient) -> None:
+    r = await client.get(f"{BASE_URL}/api/cases", params={"limit": 100})
+    if r.status_code == 200:
+        items = r.json().get("items", [])
+        for item in items:
+            if item.get("name") == VERIFY_CASE_NAME:
+                await client.delete(f"{BASE_URL}/api/cases/{item['id']}")
+                print(f"  已删除旧验证版用例: {item['id']}")
+
+
+async def main() -> None:
+    async with httpx.AsyncClient(timeout=30) as client:
+        await delete_existing(client)
+
+        # 1. 创建验证版用例
+        payload = {
+            "module_id": MEETING_MODULE_ID,
+            "name": VERIFY_CASE_NAME,
+            "description": "阶段6真实执行验证版：与正式示范用例一致，剔除 finally 清理步骤，先验证16步主流程。",
+            "priority": "high",
+            "tags": ["语义化", "新建会议", "阶段6验证"],
+            "steps": build_verify_steps(),
+            "parameters": CASE_PARAMETERS,
+            "config": DEFAULT_CONFIG,
+        }
+        r = await client.post(f"{BASE_URL}/api/cases", json=payload)
+        if r.status_code != 201:
+            print(f"用例创建失败: HTTP {r.status_code}\n{r.text[:800]}")
+            return
+        case = r.json()
+        print(f"用例创建成功: {case['id']}")
+
+        # 2. 触发执行
+        r = await client.post(
+            f"{BASE_URL}/api/executions",
+            json={
+                "case_ids": [case["id"]],
+                "name": "语义化验证版-真实执行",
+                "trigger_type": "manual",
+                "trigger_by": "claude",
+            },
+        )
+        if r.status_code != 201:
+            print(f"执行创建失败: HTTP {r.status_code}\n{r.text[:800]}")
+            return
+        exec_data = r.json()
+        print(f"执行创建成功: {exec_data['id']}")
+
+
+if __name__ == "__main__":
+    sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
+    asyncio.run(main())

backend/tests/test_page_url_service.py

@@ -33,7 +33,8 @@ REGISTRY = {
             "id": "create_meeting",
             "name": "新建会议",
             "url": "https://192.168.5.44/#/meetingV3?meetingV3=%2FmeetingV3%2F%23%2FCreateMeeting",
-            "url_patterns": ["meetingV3"],
+            # 收紧：不再用万能 meetingV3，避免把会议详情/列表页误识别为新建页
+            "url_patterns": ["meetingV3.*CreateMeeting", "meetingV3.*createMeeting"],
             "fingerprint": [{"selector": ".topic_item input", "min_count": 1}],
             "match_rules": [{"type": "step_name_contains", "value": "新建会议"}],
         },
@@ -51,6 +52,14 @@ REGISTRY = {
             "url_patterns": ["#/home"],
             "fingerprint": [{"selector": ".home_nav_left", "min_count": 1}],
         },
+        {
+            "id": "meeting_detail",
+            "name": "会议详情",
+            "url": "",
+            "url_patterns": ["meetingV3.*Detail", "MeetingDetail"],
+            # 详情页独有标题元素（.room:has-text 在详情页不存在，实测 0 命中）
+            "fingerprint": [{"selector": ".detail_top", "min_count": 1}],
+        },
     ],
 }
 
@@ -111,6 +120,43 @@ def test_recognize_url_pattern_login():
     assert rec["id"] == "login"
 
 
+# ==================== 回归：详情页 vs 新建页识别（2026-08-18 修复） ====================
+
+
+def test_recognize_meeting_detail_page():
+    """会议详情页（meetingDetail 小写 + .detail_top 指纹）→ meeting_detail"""
+    svc = make_service()
+    page = FakePage(
+        url="https://192.168.5.44/#/meetingV3?meetingV3=%2FmeetingV3%2F%23%2FmeetingDetail%3FmId%25M2x",
+        matches={".detail_top": 1, ".topic_item input": 0},
+    )
+    rec = svc.recognize_current_page(page)
+    assert rec is not None
+    assert rec["id"] == "meeting_detail"
+
+
+def test_recognize_create_page_not_misjudged_as_detail():
+    """新建会议页（CreateMeeting 大写）→ create_meeting，绝不误判为 meeting_detail"""
+    svc = make_service()
+    page = FakePage(
+        url="https://192.168.5.44/#/meetingV3?meetingV3=%2FmeetingV3%2F%23%2FCreateMeeting",
+        matches={".detail_top": 0, ".topic_item input": 2},
+    )
+    rec = svc.recognize_current_page(page)
+    assert rec is not None
+    assert rec["id"] == "create_meeting"
+
+
+def test_recognize_meeting_list_page_returns_none():
+    """会议列表页（meetingAll）不属于任何 scope → None（修复前误判 create_meeting）"""
+    svc = make_service()
+    page = FakePage(
+        url="https://192.168.5.44/#/meetingV3?meetingV3=%2FmeetingV3%2F%23%2FmeetingAll",
+        matches={".detail_top": 0, ".topic_item input": 0},
+    )
+    assert svc.recognize_current_page(page) is None
+
+
 # ==================== recognize_current_page：fingerprint 兜底 ====================