feat: 发布v5.3.0正式版本，完善跨平台适配与功能优化

本次更新包含多项核心改进：
1. 新增统一跨平台导航扩展，替换原有GoRouter调用，适配鸿蒙平台路由逻辑
2. 重构状态初始化逻辑，使用Future.microtask避免BuildContext异常
3. 完善Linux桌面端支持，添加桌面文件、AppData配置与WSL构建脚本
4. 修复鸿蒙平台动画渲染异常问题，移除平台特判逻辑
5. 优化NFC配对扫描参数，精简不必要的配置项
6. 更新依赖版本与项目版本号
7. 修复Drift数据库缓存问题，移除冗余的表检测逻辑
8. 添加路由观察者日志，优化鸿蒙端路由调试体验
9. 完善签到与文章发布后的用户数据刷新逻辑
10. 删除冗余的子模块与日志文件，清理项目结构

linux/packaging/setup_wsl.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+# ============================================================
+# 闲言APP — WSL环境初始化脚本
+# 创建时间: 2026-05-18
+# 更新时间: 2026-05-18
+# 作用: 在Windows WSL中初始化Flutter Linux构建环境
+# 上次更新: 初始创建
+# ============================================================
+
+set -e
+
+echo "=========================================="
+echo "  闲言 — WSL 构建环境初始化"
+echo "=========================================="
+echo ""
+
+echo "📦 更新系统包..."
+sudo apt update && sudo apt upgrade -y
+
+echo "📦 安装构建工具和系统依赖..."
+sudo apt install -y \
+  clang cmake ninja-build pkg-config \
+  libgtk-3-dev liblzma-dev libstdc++-12-dev \
+  libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev \
+  libgstreamer-plugins-good1.0-dev \
+  libgstreamer-plugins-bad1.0-dev \
+  libgstreamer1.0-libav \
+  libasound2-dev libsecret-1-dev libbluetooth-dev \
+  libnotify-dev libmpv-dev libx11-dev \
+  curl unzip xz-utils zip dpkg-dev fakeroot \
+  fonts-noto-cjk fonts-noto-color-emoji \
+  git wget
+
+echo ""
+echo "🔍 检查 Flutter SDK..."
+if command -v flutter &> /dev/null; then
+  echo "✅ Flutter 已安装: $(flutter --version | head -1)"
+else
+  echo "📥 安装 Flutter SDK..."
+  git clone https://github.com/flutter/flutter.git -b stable --depth 1 "$HOME/flutter"
+  echo "" >> "$HOME/.bashrc"
+  echo "export PATH=\"\$HOME/flutter/bin:\$PATH\"" >> "$HOME/.bashrc"
+  export PATH="$HOME/flutter/bin:$PATH"
+  flutter doctor
+fi
+
+echo ""
+echo "🔧 启用 Linux 桌面支持..."
+flutter config --enable-linux-desktop
+
+echo ""
+echo "📋 Flutter Doctor..."
+flutter doctor -v
+
+echo ""
+echo "=========================================="
+echo "  ✅ WSL 环境初始化完成!"
+echo "=========================================="
+echo ""
+echo "下一步:"
+echo "  1. 将项目复制到WSL本地(加速构建):"
+echo "     cp -r /mnt/e/project/flutter/f/xianyan ~/xianyan"
+echo ""
+echo "  2. 进入项目目录:"
+echo "     cd ~/xianyan"
+echo ""
+echo "  3. 一键构建打包:"
+echo "     bash linux/packaging/build_all.sh"
+echo ""
+echo "  或者分步执行:"
+echo "     flutter pub get"
+echo "     flutter build linux --release"
+echo "     bash linux/packaging/build_tarball.sh"
+echo "     bash linux/packaging/build_deb.sh"
+echo "     bash linux/packaging/build_appimage.sh"