chore: 优化本地开发环境配置

- 添加 .env.local 支持，app.sh 和 dev-migrate.sh 自动覆盖
- Docker Compose 使用 profiles 区分 dev/prod 环境
- 改进认证 dev session 判断逻辑，使用 test account 配置
- 修复 CoinPackageCard 重复代码问题
- 清理 opencode 配置，移除敏感信息
- 新增 infra/docker/README.md 文档
- 修复 ruff/pyright/flutter lint 错误
- 更新测试用例移除已删除的 country 字段

apps/lib/features/settings/presentation/widgets/settings_section_widgets.dart

@@ -445,74 +445,6 @@ class CoinPackageCard extends StatelessWidget {
       shape: RoundedRectangleBorder(
         borderRadius: BorderRadius.circular(AppRadius.xl),
       ),
-      child: Padding(
-        padding: const EdgeInsets.all(AppSpacing.lg),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        title,
-                        style: Theme.of(context).textTheme.titleMedium,
-                      ),
-                      const SizedBox(height: AppSpacing.xs),
-                      Text(
-                        l10n.settingsCoinAmount(amount),
-                        style: Theme.of(context).textTheme.bodyMedium,
-                      ),
-                    ],
-                  ),
-                ),
-                if (badge != null)
-                  Container(
-                    padding: const EdgeInsets.symmetric(
-                      horizontal: AppSpacing.sm,
-                      vertical: AppSpacing.xs,
-                    ),
-                    decoration: BoxDecoration(
-                      color: palette.historyGoldBg,
-                      borderRadius: BorderRadius.circular(AppRadius.full),
-                    ),
-                    child: Text(
-                      badge!,
-                      style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                        color: palette.historyGoldText,
-                        fontWeight: FontWeight.w700,
-                      ),
-                    ),
-                  ),
-              ],
-            ),
-            const SizedBox(height: AppSpacing.lg),
-            if (!isAvailable && unavailableMessage != null)
-              Text(
-                unavailableMessage!,
-                style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                  color: colors.error,
-                ),
-              )
-            else
-              Row(
-                children: [
-                  Text(
-                    price,
-                    style: Theme.of(
-                      context,
-                    ).textTheme.headlineMedium?.copyWith(color: colors.primary),
-                  ),
-                  const Spacer(),
-                  FilledButton(
-                    onPressed: isPurchasing || !isAvailable ? null : onPurchase,
-                    style: FilledButton.styleFrom(
-                      shape: RoundedRectangleBorder(
-                        borderRadius: BorderRadius.circular(AppRadius.full),
-                      ),
-                    ),
       child: Padding(
         padding: const EdgeInsets.all(AppSpacing.lg),
         child: Column(