feat: 添加日历批量操作与客户端时区感知功能，优化前端 UI 交互体验

apps/lib/features/chat/ui/widgets/ui_schema_renderer.dart

@@ -94,18 +94,18 @@ class UiSchemaRenderer {
     final status = _asString(node['status']);
     final style = switch (role) {
       'title' => const TextStyle(
-        fontSize: 22,
+        fontSize: 18,
         fontWeight: FontWeight.w700,
         color: AppColors.slate900,
         height: 1.2,
       ),
       'subtitle' => const TextStyle(
-        fontSize: 16,
+        fontSize: 14,
         fontWeight: FontWeight.w600,
         color: AppColors.slate800,
       ),
       'caption' => const TextStyle(
-        fontSize: 12,
+        fontSize: 11,
         color: AppColors.slate500,
         height: 1.4,
       ),
@@ -115,9 +115,9 @@ class UiSchemaRenderer {
         fontFamily: 'monospace',
       ),
       _ => const TextStyle(
-        fontSize: 15,
+        fontSize: 13,
         color: AppColors.slate700,
-        height: 1.45,
+        height: 1.35,
       ),
     };
     return Text(
@@ -131,7 +131,7 @@ class UiSchemaRenderer {
   static Widget _renderIcon(Map<String, dynamic> node) {
     final value = _asString(node['value']);
     if (_asString(node['source']) == 'emoji' && value.isNotEmpty) {
-      return Text(value, style: const TextStyle(fontSize: 20));
+      return Text(value, style: const TextStyle(fontSize: 18));
     }
     return Icon(Icons.bubble_chart_rounded, color: _statusTextColor('', null));
   }
@@ -179,7 +179,7 @@ class UiSchemaRenderer {
             elevation: 0,
             padding: const EdgeInsets.symmetric(
               horizontal: AppSpacing.lg,
-              vertical: AppSpacing.md,
+              vertical: AppSpacing.sm,
             ),
             backgroundColor: style == 'primary'
                 ? AppColors.authPrimaryButton
@@ -196,7 +196,7 @@ class UiSchemaRenderer {
           ),
           child: Text(
             _asString(node['label'], fallback: '操作'),
-            style: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600),
+            style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w600),
           ),
         );
       },
@@ -223,7 +223,7 @@ class UiSchemaRenderer {
             width: double.infinity,
             padding: const EdgeInsets.symmetric(
               horizontal: AppSpacing.md,
-              vertical: AppSpacing.sm,
+              vertical: AppSpacing.xs,
             ),
             decoration: BoxDecoration(
               color: AppColors.surfaceSecondary,
@@ -237,7 +237,7 @@ class UiSchemaRenderer {
                   child: Text(
                     label,
                     style: const TextStyle(
-                      fontSize: 12,
+                      fontSize: 11,
                       color: AppColors.slate500,
                     ),
                   ),
@@ -248,7 +248,7 @@ class UiSchemaRenderer {
                   child: Text(
                     value,
                     style: const TextStyle(
-                      fontSize: 13,
+                      fontSize: 12,
                       color: AppColors.slate800,
                       fontWeight: FontWeight.w600,
                     ),
@@ -290,16 +290,16 @@ class UiSchemaRenderer {
     };
     return Container(
       width: double.infinity,
-      padding: const EdgeInsets.all(AppSpacing.xl),
+      padding: const EdgeInsets.all(AppSpacing.md),
       decoration: BoxDecoration(
         color: bg,
-        borderRadius: BorderRadius.circular(AppRadius.xl),
+        borderRadius: BorderRadius.circular(AppRadius.lg),
         border: Border.all(color: borderColor),
         boxShadow: [
           BoxShadow(
-            color: AppColors.slate200.withValues(alpha: 0.6),
-            blurRadius: 20,
-            offset: const Offset(0, 10),
+            color: AppColors.slate200.withValues(alpha: 0.35),
+            blurRadius: 12,
+            offset: const Offset(0, 6),
           ),
         ],
       ),