feat: 完善登录验证码、订单同步和打包功能

- 添加验证码登录支持（图形验证码显示和输入）
- 修复订单同步，正确解析收件人信息（从logisticses合并）
- 修复API端点配置（user.api.it120.cc）
- 添加Costura.Fody实现单文件EXE打包
- 添加应用图标（app.ico）
- 添加Inno Setup安装脚本（支持Win7+）
- 暂时禁用导入发货功能
- 添加.gitignore文件

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

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

build_installer.bat

@@ -0,0 +1,58 @@
+@echo off
+chcp 936 >nul
+echo ========================================
+echo   PackagingMallShipper - Build Installer
+echo ========================================
+echo.
+
+set "ISCC="
+if exist "C:\Program Files (x86)\Inno Setup 6\ISCC.exe" (
+    set "ISCC=C:\Program Files (x86)\Inno Setup 6\ISCC.exe"
+)
+if exist "C:\Program Files\Inno Setup 6\ISCC.exe" (
+    set "ISCC=C:\Program Files\Inno Setup 6\ISCC.exe"
+)
+
+if "%ISCC%"=="" (
+    echo [Error] Inno Setup 6 not found
+    echo.
+    echo Please download and install Inno Setup 6:
+    echo https://jrsoftware.org/isdl.php
+    echo.
+    pause
+    exit /b 1
+)
+
+echo [Info] Found Inno Setup: %ISCC%
+echo.
+
+if not exist "publish\PackagingMallShipper.exe" (
+    echo [Error] publish\PackagingMallShipper.exe not found
+    echo.
+    echo Please build Release version first:
+    echo   dotnet build -c Release
+    echo.
+    pause
+    exit /b 1
+)
+
+echo [Info] Compiling installer...
+echo.
+
+"%ISCC%" setup.iss
+
+if %ERRORLEVEL% EQU 0 (
+    echo.
+    echo ========================================
+    echo [Success] Installer created!
+    echo.
+    echo Location: installer\PackagingMallShipper_Setup_v1.0.0.exe
+    echo ========================================
+    echo.
+    if exist "installer" explorer "installer"
+) else (
+    echo.
+    echo [Error] Build failed, error code: %ERRORLEVEL%
+)
+
+pause