feat: 2026-07-11 全量更新 - 代办集成+会议室预定+知识迭代修复+UI统一+Bug修复

== 已部署上线 (9项) ==
- 代办事项真实数据源集成 (企微审批API 8bug修复链)
- H5/坐席端 Logo样式统一+绿色背景
- 视频引导页修复 (localStorage key v2)
- 坐席端 v9 Vue版本修复 (ElMessage._context)
- 截图按钮 v10 修复 (getDisplayMedia user gesture)
- 扫码样式恢复+H5扫码登录跳转修复
- H5截图快捷键提示

== 代码完成待部署 (3项) ==
- 知识迭代3Bug修复 (#8 POST端点/#7 MERGE幂等/#6 过期检查)
- 会议室预定-小鱼易联终端 (40文件, 40/40测试通过)
- IT资产升级审批推送 (asset_service.py)

== 需求文档 (2项) ==
- 坐席端AI辅助消息框-PRD (4项新功能确认)
- 坐席端布局优化建议 v2.0 (7天计划)

== 新增文档 ==
- 日报-2026-07-11.md
- 知识迭代Bug修复报告-20260711.md
- 会议室预定-部署指南.md
- CHANGELOG.md 更新

== 测试 ==
- test_todo_integration.py: 40/40
- test_meetingroom.py: 40/40
- test_bugfix_ki_suggestions.py: 21/21

test_dify_models.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+"""Test Dify API with different model parameter formats."""
+import json
+import httpx
+
+BASE_URL = "http://yw-dify.dc.servyou-it.com/dify2openai"
+API_KEY = "app-JWI7u1LTn9XPVe95KL6dHzPx"
+url = f"{BASE_URL.rstrip('/')}/v1/chat/completions"
+
+headers = {
+    "Authorization": f"Bearer {API_KEY}",
+    "Content-Type": "application/json",
+}
+
+# Test different model parameter formats
+test_models = [
+    "dify",
+    "",           # empty string
+    "gpt-3.5-turbo",
+    "deepseek-chat",
+    "default",
+]
+
+for model in test_models:
+    body = {
+        "model": model,
+        "messages": [
+            {"role": "user", "content": "我要申请VPN"},
+        ],
+        "temperature": 0,
+    }
+    print(f"\n=== model={repr(model)} ===")
+    try:
+        resp = httpx.post(url, json=body, headers=headers, timeout=15.0)
+        print(f"  HTTP Status: {resp.status_code}")
+        body_text = resp.text[:500]
+        print(f"  Response: {body_text}")
+    except Exception as e:
+        print(f"  ERROR: {type(e).__name__}: {e}")
+
+# Also test without model parameter at all
+print(f"\n=== No model parameter ===")
+body = {
+    "messages": [
+        {"role": "user", "content": "我要申请VPN"},
+    ],
+    "temperature": 0,
+}
+try:
+    resp = httpx.post(url, json=body, headers=headers, timeout=15.0)
+    print(f"  HTTP Status: {resp.status_code}")
+    print(f"  Response: {resp.text[:500]}")
+except Exception as e:
+    print(f"  ERROR: {type(e).__name__}: {e}")
+
+# Test with the main AI chat API key to compare
+# First, check what API key the main Dify uses
+print(f"\n=== Check main Dify config ===")
+import os
+main_key = os.environ.get("DIFY_API_KEY", "")
+main_base = os.environ.get("DIFY_BASE_URL", "")
+print(f"  DIFY_API_KEY: {main_key[:20]}..." if main_key else "  DIFY_API_KEY: not set")
+print(f"  DIFY_BASE_URL: {main_base}")
+
+if main_key:
+    main_url = f"{main_base.rstrip('/')}/v1/chat/completions" if main_base else url
+    main_headers = {"Authorization": f"Bearer {main_key}", "Content-Type": "application/json"}
+    body = {
+        "model": "dify",
+        "messages": [{"role": "user", "content": "你好"}],
+        "temperature": 0,
+    }
+    print(f"\n=== Test main Dify API with model='dify' ===")
+    try:
+        resp = httpx.post(main_url, json=body, headers=main_headers, timeout=15.0)
+        print(f"  HTTP Status: {resp.status_code}")
+        print(f"  Response: {resp.text[:500]}")
+    except Exception as e:
+        print(f"  ERROR: {type(e).__name__}: {e}")