fix: 修复前端导航和页面跳转问题

- 添加统一的导航菜单到所有页面
- 修复页面路由映射和高亮状态
- 创建 navigation.js 统一管理页面跳转
- 添加 test_navigation.py 路由测试工具
- 支持仪表板、预警管理、智能对话、HTTP对话页面间无缝切换

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

convert_encoding.bat

@@ -0,0 +1,94 @@
+@echo off
+setlocal enabledelayedexpansion
+chcp 65001 >nul 2>&1
+echo ========================================
+echo 代码文件编码批量转换工具
+echo ========================================
+echo.
+
+:: 设置要扫描的文件扩展名
+set "extensions=*.py *.java *.js *.ts *.html *.css *.xml *.json *.md *.txt *.bat *.cmd *.ps1 *.sh *.yml *.yaml *.ini *.cfg *.conf *.properties"
+
+:: 设置目标目录（默认为当前目录）
+set "target_dir=%cd%"
+if not "%~1"=="" set "target_dir=%~1"
+
+echo 目标目录: %target_dir%
+echo.
+
+:: 检查目录是否存在
+if not exist "%target_dir%" (
+    echo 错误：指定的目录不存在
+    pause
+    exit /b 1
+)
+
+:: 创建临时目录
+set "temp_dir=%temp%\encoding_convert_%random%"
+mkdir "%temp_dir%"
+
+:: 统计变量
+set "total_files=0"
+set "converted_files=0"
+set "skipped_files=0"
+
+echo 开始扫描文件...
+echo.
+
+:: 遍历所有指定扩展名的文件
+for %%e in (%extensions%) do (
+    for /r "%target_dir%" %%f in (%%e) do (
+        set /a total_files+=1
+        call :process_file "%%f"
+    )
+)
+
+echo.
+echo ========================================
+echo 转换完成
+echo ========================================
+echo 总文件数: %total_files%
+echo 已转换: %converted_files%
+echo 已跳过: %skipped_files%
+echo.
+
+:: 清理临时目录
+rd /s /q "%temp_dir%" 2>nul
+
+pause
+exit /b
+
+:process_file
+set "file=%~1"
+set "is_utf8=0"
+
+:: 检查文件是否已经是UTF-8编码
+powershell -Command "try { $content = [System.IO.File]::ReadAllText('%file%', [System.Text.Encoding]::UTF8); $content | Out-Null; exit 0 } catch { exit 1 }" >nul 2>&1
+if %errorlevel% equ 0 set "is_utf8=1"
+
+if %is_utf8% equ 1 (
+    echo [跳过] %file% (已经是UTF-8)
+    set /a skipped_files+=1
+) else (
+    echo [转换] %file%
+    
+    :: 尝试检测并转换编码
+    powershell -Command ^
+        "$path = '%file%'; ^
+        try { ^
+            $bytes = [System.IO.File]::ReadAllBytes($path); ^
+            $encoding = [System.Text.Encoding]::GetEncoding('GB2312'); ^
+            $content = $encoding.GetString($bytes); ^
+            [System.IO.File]::WriteAllText($path, $content, [System.Text.Encoding]::UTF8); ^
+            exit 0 ^
+        } catch { ^
+            exit 1 ^
+        }"
+    
+    if %errorlevel% equ 0 (
+        set /a converted_files+=1
+    ) else (
+        echo [警告] 无法转换 %file%
+    )
+)
+goto :eof