feat: add copy button to code generation codeblock

lib/dashbot/core/common/widgets/dashbot_action_buttons/dashbot_generate_codeblock.dart

@@ -1,32 +1,95 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:apidash_design_system/apidash_design_system.dart';
 
 import '../../../../features/chat/models/chat_action.dart';
 import '../dashbot_action.dart';
 
-class DashbotGeneratedCodeBlock extends StatelessWidget
+class DashbotGeneratedCodeBlock extends StatefulWidget with DashbotActionMixin {
-    with DashbotActionMixin {
   @override
   final ChatAction action;
   const DashbotGeneratedCodeBlock({super.key, required this.action});
 
+  @override
+  State<DashbotGeneratedCodeBlock> createState() =>
+      _DashbotGeneratedCodeBlockState();
+}
+
+class _DashbotGeneratedCodeBlockState extends State<DashbotGeneratedCodeBlock> {
+  bool _isCopied = false;
+
+  Future<void> _copyCode(String code) async {
+    await Clipboard.setData(ClipboardData(text: code));
+    setState(() {
+      _isCopied = true;
+    });
+
+    // Reset the icon back to copy after 1.5 seconds
+    Future.delayed(const Duration(milliseconds: 1500), () {
+      if (mounted) {
+        setState(() {
+          _isCopied = false;
+        });
+      }
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
-    final code = (action.value is String) ? action.value as String : '';
+    final code =
+        (widget.action.value is String) ? widget.action.value as String : '';
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    final codeTheme = isDark ? kDarkCodeTheme : kLightCodeTheme;
+
     return Container(
       width: double.infinity,
-      padding: const EdgeInsets.all(12),
       decoration: BoxDecoration(
-        color: Theme.of(context).colorScheme.surface,
+        color: codeTheme['root']?.backgroundColor ??
+            Theme.of(context).colorScheme.surface,
         borderRadius: BorderRadius.circular(8),
         border: Border.all(
           color: Theme.of(context).colorScheme.outlineVariant,
         ),
       ),
-      child: SelectableText(
+      child: Stack(
-        code.isEmpty ? '// No code returned' : code,
+        children: [
-        style: Theme.of(context).textTheme.bodySmall?.copyWith(
+          GestureDetector(
-              fontFamily: 'monospace',
+            onTap: code.isNotEmpty ? () => _copyCode(code) : null,
+            child: Container(
+              width: double.infinity,
+              padding: const EdgeInsets.all(12),
+              child: Text(
+                code.isEmpty ? '// No code returned' : code,
+                style: kCodeStyle.copyWith(
+                  fontSize: Theme.of(context).textTheme.bodySmall?.fontSize,
+                  color: codeTheme['root']?.color ??
+                      Theme.of(context).colorScheme.onSurface,
+                ),
+              ),
             ),
+          ),
+          if (code.isNotEmpty)
+            Positioned(
+              top: 8,
+              right: 8,
+              child: AnimatedSwitcher(
+                duration: const Duration(milliseconds: 200),
+                child: ADIconButton(
+                  key: ValueKey(_isCopied),
+                  icon: _isCopied ? Icons.check : Icons.content_copy,
+                  iconSize: 16,
+                  tooltip: _isCopied ? 'Copied!' : 'Copy',
+                  color: _isCopied
+                      ? Theme.of(context).colorScheme.primary
+                      : (codeTheme['root']?.color ??
+                              Theme.of(context).colorScheme.onSurface)
+                          .withValues(alpha: 0.6),
+                  visualDensity: VisualDensity.compact,
+                  onPressed: () => _copyCode(code),
+                ),
+              ),
+            ),
+        ],
       ),
     );
   }