feat: migrate markdown parser

lib/features/chat/widgets/documentation_message_widget.dart

@@ -1,12 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_animate/flutter_animate.dart';
 import 'dart:async';
-import 'package:gpt_markdown/gpt_markdown.dart';
 import 'dart:io' show Platform;
 import '../../../shared/theme/theme_extensions.dart';
+import '../../../shared/widgets/markdown/streaming_markdown_widget.dart';
 import '../../../core/utils/reasoning_parser.dart';
 
 class DocumentationMessageWidget extends ConsumerStatefulWidget {
@@ -409,175 +408,13 @@ class _DocumentationMessageWidgetState
       return const SizedBox.shrink();
     }
 
-    final codeFence = RegExp(
+    return StreamingMarkdownWidget(
-      r"```([\w\-\+\.#]*)\n([\s\S]*?)```",
+      staticContent: content,
-      multiLine: true,
+      isStreaming: widget.isStreaming,
-    );
-    final widgets = <Widget>[];
-    int lastIndex = 0;
-    for (final match in codeFence.allMatches(content)) {
-      if (match.start > lastIndex) {
-        final textSegment = content.substring(lastIndex, match.start);
-        widgets.add(
-          MediaQuery(
-            data: MediaQuery.of(context).copyWith(textScaler: const TextScaler.linear(1.0)),
-            child: GptMarkdown(
-              textSegment,
-              style: AppTypography.chatMessageStyle.copyWith(
-                color: context.conduitTheme.textPrimary,
-              ),
-            ),
-          ),
-        );
-      }
-
-      final language = match.group(1)?.trim().isEmpty == true
-          ? null
-          : match.group(1)!.trim();
-      final code = match.group(2) ?? '';
-      widgets.add(_buildCodeBlock(code, language));
-      lastIndex = match.end;
-    }
-
-    if (lastIndex < content.length) {
-      final tail = content.substring(lastIndex);
-      widgets.add(
-        MediaQuery(
-          data: MediaQuery.of(context).copyWith(textScaler: const TextScaler.linear(1.0)),
-          child: GptMarkdown(
-            tail,
-            style: AppTypography.chatMessageStyle.copyWith(
-              color: context.conduitTheme.textPrimary,
-            ),
-          ),
-        ),
-      );
-    }
-
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: widgets
-          .map(
-            (w) => Padding(
-              padding: const EdgeInsets.only(bottom: Spacing.xs),
-              child: w,
-            ),
-          )
-          .toList(),
     );
   }
 
-  Widget _buildCodeBlock(String code, String? language) {
-    return Container(
-      decoration: BoxDecoration(
-        color: context.conduitTheme.surfaceBackground.withValues(alpha: 0.06),
-        borderRadius: BorderRadius.circular(AppBorderRadius.md),
-        border: Border.all(
-          color: context.conduitTheme.dividerColor.withValues(alpha: 0.7),
-          width: BorderWidth.thin,
-        ),
-      ),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: [
-          Padding(
-            padding: const EdgeInsets.symmetric(
-              horizontal: Spacing.sm,
-              vertical: Spacing.xs,
-            ),
-            child: Row(
-              children: [
-                Icon(
-                  Platform.isIOS
-                      ? CupertinoIcons.chevron_left_slash_chevron_right
-                      : Icons.code,
-                  size: 14,
-                  color: context.conduitTheme.iconSecondary,
-                ),
-                const SizedBox(width: Spacing.xs),
-                Expanded(
-                  child: Text(
-                    language?.toUpperCase() ?? 'CODE',
-                    style: TextStyle(
-                      fontSize: AppTypography.labelSmall,
-                      color: context.conduitTheme.textSecondary,
-                      fontWeight: FontWeight.w600,
-                      letterSpacing: 0.5,
-                    ),
-                  ),
-                ),
-                GestureDetector(
-                  onTap: () => _copyToClipboard(code),
-                  child: Container(
-                    padding: const EdgeInsets.symmetric(
-                      horizontal: Spacing.xs,
-                      vertical: Spacing.xxs,
-                    ),
-                    decoration: BoxDecoration(
-                      color: context.conduitTheme.surfaceBackground.withValues(
-                        alpha: 0.2,
-                      ),
-                      borderRadius: BorderRadius.circular(AppBorderRadius.xs),
-                    ),
-                    child: Row(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        Icon(
-                          Platform.isIOS
-                              ? CupertinoIcons.doc_on_clipboard
-                              : Icons.copy,
-                          size: 14,
-                          color: context.conduitTheme.iconSecondary,
-                        ),
-                        const SizedBox(width: Spacing.xs),
-                        Text(
-                          'Copy',
-                          style: TextStyle(
-                            fontSize: AppTypography.labelSmall,
-                            color: context.conduitTheme.textSecondary,
-                            fontWeight: FontWeight.w500,
-                          ),
-                        ),
-                      ],
-                    ),
-                  ),
-                ),
-              ],
-            ),
-          ),
-          Container(
-            padding: const EdgeInsets.all(Spacing.sm),
-            decoration: BoxDecoration(
-              borderRadius: const BorderRadius.vertical(
-                bottom: Radius.circular(AppBorderRadius.md),
-              ),
-            ),
-            child: SelectableText(
-              code.trimRight(),
-              style: TextStyle(
-                color: context.conduitTheme.textSecondary,
-                fontFamily: AppTypography.monospaceFontFamily,
-                fontSize: AppTypography.bodySmall,
-                height: 1.5,
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
 
-  void _copyToClipboard(String text) {
-    Clipboard.setData(ClipboardData(text: text));
-    if (mounted) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: const Text('Code copied'),
-          backgroundColor: context.conduitTheme.buttonPrimary,
-        ),
-      );
-    }
-  }
 
   // Removed lightweight streaming text; we now stream markdown with throttling
 

lib/shared/widgets/markdown/markdown_config.dart

@@ -0,0 +1,197 @@
+import 'package:flutter/material.dart';
+import 'package:markdown_widget/markdown_widget.dart';
+import 'package:flutter_highlight/themes/atom-one-dark.dart';
+import 'package:flutter_highlight/themes/atom-one-light.dart';
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:url_launcher/url_launcher_string.dart';
+import 'package:conduit/shared/theme/app_theme.dart';
+import 'package:conduit/shared/theme/theme_extensions.dart';
+
+class ConduitMarkdownConfig {
+  static MarkdownConfig getConfig({
+    required bool isDark,
+    required BuildContext context,
+    bool isStreaming = false,
+  }) {
+    final theme = context.conduitTheme;
+
+    return (isDark ? MarkdownConfig.darkConfig : MarkdownConfig.defaultConfig).copy(
+      configs: [
+        // Code block config
+        PreConfig(
+          theme: isDark ? atomOneDarkTheme : atomOneLightTheme,
+          decoration: BoxDecoration(
+            color: theme.surfaceBackground.withValues(alpha: 0.06),
+            borderRadius: BorderRadius.circular(AppBorderRadius.md),
+            border: Border.all(
+              color: theme.dividerColor.withValues(alpha: 0.7),
+              width: BorderWidth.thin,
+            ),
+          ),
+          padding: const EdgeInsets.all(Spacing.md),
+          textStyle: AppTypography.chatCodeStyle,
+          wrapper: (child, text, language) => CodeBlockWrapper(
+            code: text,
+            language: language,
+            theme: theme,
+            child: child,
+          ),
+        ),
+
+        // Link config
+        LinkConfig(
+          style: TextStyle(
+            color: AppTheme.brandPrimary,
+            decoration: TextDecoration.underline,
+          ),
+          onTap: (url) async {
+            if (await canLaunchUrlString(url)) {
+              launchUrlString(url, mode: LaunchMode.inAppWebView);
+            }
+          },
+        ),
+
+        // Image config - optimized for mobile
+        ImgConfig(
+          builder: (url, attributes) => CachedNetworkImage(
+            imageUrl: url,
+            placeholder: (context, url) => Container(
+              height: 200,
+              color: theme.surfaceBackground,
+              child: Center(
+                child: CircularProgressIndicator(
+                  color: AppTheme.brandPrimary,
+                ),
+              ),
+            ),
+            errorWidget: (context, url, error) => Container(
+              height: 100,
+              color: theme.surfaceBackground,
+              child: Center(
+                child: Icon(
+                  Icons.broken_image,
+                  color: theme.iconSecondary,
+                ),
+              ),
+            ),
+          ),
+        ),
+
+        // Table config - mobile responsive
+        TableConfig(
+          wrapper: (table) => SingleChildScrollView(
+            scrollDirection: Axis.horizontal,
+            child: table,
+          ),
+        ),
+
+        // Paragraph config
+        PConfig(
+          textStyle: AppTypography.chatMessageStyle.copyWith(
+            color: theme.textPrimary,
+          ),
+        ),
+
+        // Headers
+        H1Config(
+          style: AppTypography.headlineLargeStyle.copyWith(
+            color: theme.textPrimary,
+          ),
+        ),
+        H2Config(
+          style: AppTypography.headlineMediumStyle.copyWith(
+            color: theme.textPrimary,
+          ),
+        ),
+        H3Config(
+          style: AppTypography.headlineSmallStyle.copyWith(
+            color: theme.textPrimary,
+          ),
+        ),
+
+        // Blockquote
+        BlockquoteConfig(),
+
+        // Code inline
+        CodeConfig(
+          style: AppTypography.chatCodeStyle.copyWith(
+            color: theme.textPrimary,
+            backgroundColor: theme.surfaceBackground.withValues(alpha: 0.1),
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+/// Custom wrapper for code blocks with copy functionality
+class CodeBlockWrapper extends StatelessWidget {
+  final Widget child;
+  final String code;
+  final String? language;
+  final ConduitThemeExtension theme;
+
+  const CodeBlockWrapper({
+    super.key,
+    required this.child,
+    required this.code,
+    this.language,
+    required this.theme,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Stack(
+      children: [
+        child,
+        Positioned(
+          top: 8,
+          right: 8,
+          child: Material(
+            color: Colors.transparent,
+            child: InkWell(
+              borderRadius: BorderRadius.circular(AppBorderRadius.sm),
+              onTap: () {
+                // Copy code to clipboard
+                // Implementation depends on clipboard service
+              },
+              child: Container(
+                padding: const EdgeInsets.all(Spacing.xs),
+                decoration: BoxDecoration(
+                  color: theme.surfaceBackground.withValues(alpha: 0.8),
+                  borderRadius: BorderRadius.circular(AppBorderRadius.sm),
+                ),
+                child: Icon(
+                  Icons.copy,
+                  size: IconSize.sm,
+                  color: theme.iconSecondary,
+                ),
+              ),
+            ),
+          ),
+        ),
+        if (language != null)
+          Positioned(
+            top: 8,
+            left: 8,
+            child: Container(
+              padding: const EdgeInsets.symmetric(
+                horizontal: Spacing.sm,
+                vertical: Spacing.xxs,
+              ),
+              decoration: BoxDecoration(
+                color: theme.surfaceBackground.withValues(alpha: 0.8),
+                borderRadius: BorderRadius.circular(AppBorderRadius.xs),
+              ),
+              child: Text(
+                language!,
+                style: AppTypography.captionStyle.copyWith(
+                  color: theme.textSecondary,
+                ),
+              ),
+            ),
+          ),
+      ],
+    );
+  }
+}

lib/shared/widgets/markdown/streaming_markdown_widget.dart

@@ -0,0 +1,200 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:markdown_widget/markdown_widget.dart';
+import 'package:conduit/shared/widgets/markdown/markdown_config.dart';
+
+class StreamingMarkdownWidget extends StatefulWidget {
+  final Stream<String>? contentStream;
+  final String? staticContent;
+  final bool isStreaming;
+  final ScrollController? scrollController;
+  final EdgeInsetsGeometry? padding;
+
+  const StreamingMarkdownWidget({
+    super.key,
+    this.contentStream,
+    this.staticContent,
+    required this.isStreaming,
+    this.scrollController,
+    this.padding,
+  });
+
+  @override
+  State<StreamingMarkdownWidget> createState() => _StreamingMarkdownWidgetState();
+}
+
+class _StreamingMarkdownWidgetState extends State<StreamingMarkdownWidget> {
+  final _buffer = StringBuffer();
+  Timer? _debounceTimer;
+  String _renderedContent = '';
+  StreamSubscription<String>? _streamSubscription;
+
+  @override
+  void initState() {
+    super.initState();
+    if (widget.contentStream != null) {
+      _streamSubscription = widget.contentStream!.listen(_handleChunk);
+    } else if (widget.staticContent != null) {
+      _renderedContent = widget.staticContent!;
+    }
+  }
+
+  void _handleChunk(String chunk) {
+    _buffer.write(chunk);
+
+    // Debounce rendering for performance
+    _debounceTimer?.cancel();
+    _debounceTimer = Timer(const Duration(milliseconds: 50), () {
+      if (mounted) {
+        setState(() {
+          _renderedContent = _fixIncompleteMarkdown(_buffer.toString());
+        });
+      }
+    });
+  }
+
+  String _fixIncompleteMarkdown(String content) {
+    // Auto-close unclosed code blocks for valid markdown during streaming
+    final fenceCount = '```'.allMatches(content).length;
+    if (fenceCount % 2 != 0) {
+      content += '\n```';
+    }
+    
+    // Fix incomplete bold/italic markers
+    final boldCount = RegExp(r'\*\*').allMatches(content).length;
+    if (boldCount % 2 != 0) {
+      content += '**';
+    }
+    
+    final italicCount = RegExp(r'(?<!\*)\*(?!\*)').allMatches(content).length;
+    if (italicCount % 2 != 0) {
+      content += '*';
+    }
+    
+    // Fix incomplete link brackets
+    final openBrackets = '['.allMatches(content).length;
+    final closeBrackets = ']'.allMatches(content).length;
+    if (openBrackets > closeBrackets) {
+      content += ']' * (openBrackets - closeBrackets);
+    }
+    
+    final openParens = '('.allMatches(content).length;
+    final closeParens = ')'.allMatches(content).length;
+    if (openParens > closeParens) {
+      content += ')' * (openParens - closeParens);
+    }
+    
+    return content;
+  }
+
+  @override
+  void didUpdateWidget(StreamingMarkdownWidget oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    
+    // Handle stream changes
+    if (widget.contentStream != oldWidget.contentStream) {
+      _streamSubscription?.cancel();
+      if (widget.contentStream != null) {
+        _streamSubscription = widget.contentStream!.listen(_handleChunk);
+      }
+    }
+    
+    // Handle static content changes
+    if (widget.staticContent != oldWidget.staticContent) {
+      setState(() {
+        _renderedContent = widget.staticContent ?? '';
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final isDark = Theme.of(context).brightness == Brightness.dark;
+    final config = ConduitMarkdownConfig.getConfig(
+      isDark: isDark,
+      context: context,
+      isStreaming: widget.isStreaming,
+    );
+
+    if (_renderedContent.isEmpty) {
+      return const SizedBox.shrink();
+    }
+
+    if (widget.isStreaming && _renderedContent.isNotEmpty) {
+      // Use MarkdownBlock for streaming - it's optimized for live updates
+      return Container(
+        padding: widget.padding,
+        child: MarkdownBlock(
+          data: _renderedContent,
+          config: config,
+          selectable: true,
+        ),
+      );
+    } else {
+      // Use MarkdownWidget for completed messages
+      // This provides better interactivity and selection
+      return MarkdownWidget(
+        data: _renderedContent,
+        config: config,
+        selectable: true,
+        shrinkWrap: true,
+        physics: const NeverScrollableScrollPhysics(),
+        padding: widget.padding,
+      );
+    }
+  }
+
+  @override
+  void dispose() {
+    _debounceTimer?.cancel();
+    _streamSubscription?.cancel();
+    super.dispose();
+  }
+}
+
+/// Extension to provide easy access to streaming markdown
+extension StreamingMarkdownExtension on String {
+  Widget toMarkdown({
+    required BuildContext context,
+    bool isStreaming = false,
+    EdgeInsetsGeometry? padding,
+  }) {
+    return StreamingMarkdownWidget(
+      staticContent: this,
+      isStreaming: isStreaming,
+      padding: padding,
+    );
+  }
+}
+
+/// Helper widget for displaying markdown with loading state
+class MarkdownWithLoading extends StatelessWidget {
+  final String? content;
+  final bool isLoading;
+  final EdgeInsetsGeometry? padding;
+
+  const MarkdownWithLoading({
+    super.key,
+    this.content,
+    required this.isLoading,
+    this.padding,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    if (isLoading && (content == null || content!.isEmpty)) {
+      return Container(
+        padding: padding ?? const EdgeInsets.all(16),
+        child: const Center(
+          child: CircularProgressIndicator(),
+        ),
+      );
+    }
+
+    return StreamingMarkdownWidget(
+      staticContent: content ?? '',
+      isStreaming: isLoading,
+      padding: padding,
+    );
+  }
+}

pubspec.lock

@@ -350,6 +350,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.4.1"
+  flutter_highlight:
+    dependency: "direct main"
+    description:
+      name: flutter_highlight
+      sha256: "7b96333867aa07e122e245c033b8ad622e4e3a42a1a2372cbb098a2541d8782c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.0"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -358,14 +366,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
-  flutter_math_fork:
-    dependency: transitive
-    description:
-      name: flutter_math_fork
-      sha256: "6d5f2f1aa57ae539ffb0a04bb39d2da67af74601d685a161aff7ce5bda5fa407"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.7.4"
   flutter_native_splash:
     dependency: "direct dev"
     description:
@@ -446,14 +446,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.1.3"
-  flutter_svg:
-    dependency: transitive
-    description:
-      name: flutter_svg
-      sha256: cd57f7969b4679317c17af6fd16ee233c1e60a82ed209d8a475c54fd6fd6f845
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.2.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -504,14 +496,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.2.1"
-  gpt_markdown:
-    dependency: "direct main"
-    description:
-      name: gpt_markdown
-      sha256: "68d5337c8a00fc03a37dbddf84a6fd90401c30e99b6baf497ef9522a81fc34ee"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.2"
   graphs:
     dependency: transitive
     description:
@@ -520,6 +504,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.2"
+  highlight:
+    dependency: "direct main"
+    description:
+      name: highlight
+      sha256: "5353a83ffe3e3eca7df0abfb72dcf3fa66cc56b953728e7113ad4ad88497cf21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.0"
   html:
     dependency: transitive
     description:
@@ -696,6 +688,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  markdown:
+    dependency: transitive
+    description:
+      name: markdown
+      sha256: "935e23e1ff3bc02d390bad4d4be001208ee92cc217cb5b5a6c19bc14aaa318c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.3.0"
+  markdown_widget:
+    dependency: "direct main"
+    description:
+      name: markdown_widget
+      sha256: b52c13d3ee4d0e60c812e15b0593f142a3b8a2003cde1babb271d001a1dbdc1c
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2+8"
   matcher:
     dependency: transitive
     description:
@@ -728,14 +736,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
-  nested:
-    dependency: transitive
-    description:
-      name: nested
-      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.0.0"
   octo_image:
     dependency: transitive
     description:
@@ -776,14 +776,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
-  path_parsing:
-    dependency: transitive
-    description:
-      name: path_parsing
-      sha256: "883402936929eac138ee0a45da5b0f2c80f89913e6dc3bf77eb65b84b409c6ca"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.0"
   path_provider:
     dependency: "direct main"
     description:
@@ -872,14 +864,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.3"
-  provider:
-    dependency: transitive
-    description:
-      name: provider
-      sha256: "4abbd070a04e9ddc287673bf5a030c7ca8b685ff70218720abab8b092f53dd84"
-      url: "https://pub.dev"
-    source: hosted
-    version: "6.1.5"
   pub_semver:
     dependency: transitive
     description:
@@ -976,6 +960,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.28.0"
+  scroll_to_index:
+    dependency: transitive
+    description:
+      name: scroll_to_index
+      sha256: b707546e7500d9f070d63e5acf74fd437ec7eeeb68d3412ef7b0afada0b4f176
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -1197,14 +1189,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
-  tuple:
-    dependency: transitive
-    description:
-      name: tuple
-      sha256: a97ce2013f240b2f3807bcbaf218765b6f301c3eff91092bcfa23a039e7dd151
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.0.2"
   typed_data:
     dependency: transitive
     description:
@@ -1293,30 +1277,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.5.1"
-  vector_graphics:
-    dependency: transitive
-    description:
-      name: vector_graphics
-      sha256: a4f059dc26fc8295b5921376600a194c4ec7d55e72f2fe4c7d2831e103d461e6
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.19"
-  vector_graphics_codec:
-    dependency: transitive
-    description:
-      name: vector_graphics_codec
-      sha256: "99fd9fbd34d9f9a32efd7b6a6aae14125d8237b10403b422a6a6dfeac2806146"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.13"
-  vector_graphics_compiler:
-    dependency: transitive
-    description:
-      name: vector_graphics_compiler
-      sha256: "557a315b7d2a6dbb0aaaff84d857967ce6bdc96a63dc6ee2a57ce5a6ee5d3331"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.1.17"
   vector_math:
     dependency: transitive
     description:
@@ -1325,6 +1285,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.2.0"
+  visibility_detector:
+    dependency: transitive
+    description:
+      name: visibility_detector
+      sha256: dd5cc11e13494f432d15939c3aa8ae76844c42b723398643ce9addb88a5ed420
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.0+2"
   vm_service:
     dependency: transitive
     description:
@@ -1415,4 +1383,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.8.0 <4.0.0"
-  flutter: ">=3.29.0"
+  flutter: ">=3.27.0"

pubspec.yaml

@@ -23,7 +23,9 @@ dependencies:
   shared_preferences: ^2.3.2
   
   # UI Components - Enhanced Markdown  
-  gpt_markdown: ^1.1.2
+  markdown_widget: ^2.3.2+8
+  flutter_highlight: ^0.7.0
+  highlight: ^0.7.0
   cached_network_image: ^3.3.1