fix(llc, ui, sample): more v10 QA fixes

packages/stream_chat/lib/src/core/platform_detector/platform_detector.dart

@@ -1,3 +1,4 @@
+import 'package:meta/meta.dart' show visibleForTesting;
 import 'package:stream_chat/src/core/platform_detector/platform_detector_stub.dart'
     if (dart.library.html) 'platform_detector_web.dart'
     if (dart.library.io) 'platform_detector_io.dart';
@@ -67,6 +68,30 @@ class CurrentPlatform {
     };
   }
 
+  /// Override the value reported by [type] in tests.
+  ///
+  /// Setting this affects all reads of [type], [name], and the per-platform
+  /// flags ([isAndroid], [isWeb], …). Reset to `null` after each test (e.g.
+  /// in `tearDown`) to avoid leaking state.
+  ///
+  /// The override is honored only when asserts are enabled (debug, profile,
+  /// and tests); release builds tree-shake it away. Mirrors Flutter's
+  /// `debugDefaultTargetPlatformOverride`.
+  @visibleForTesting
+  static PlatformType? debugCurrentPlatformOverride;
+
   /// Get current platform type
-  static PlatformType get type => currentPlatform;
+  static PlatformType get type {
+    var result = currentPlatform;
+    assert(
+      () {
+        if (debugCurrentPlatformOverride case final override?) {
+          result = override;
+        }
+        return true;
+      }(),
+      'debugCurrentPlatformOverride applied',
+    );
+    return result;
+  }
 }

packages/stream_chat/test/src/core/platform_detector/platform_detector_test.dart

@@ -22,4 +22,25 @@ void main() {
     expect(CurrentPlatform.isWindows, isFalse);
     expect(CurrentPlatform.isFuchsia, isFalse);
   });
+
+  group('debugCurrentPlatformOverride', () {
+    tearDown(() => CurrentPlatform.debugCurrentPlatformOverride = null);
+
+    test('changes type, name, and flags', () {
+      CurrentPlatform.debugCurrentPlatformOverride = PlatformType.web;
+
+      expect(CurrentPlatform.type, PlatformType.web);
+      expect(CurrentPlatform.name, 'web');
+      expect(CurrentPlatform.isWeb, isTrue);
+      expect(CurrentPlatform.isLinux, isFalse);
+    });
+
+    test('clearing the override restores the real platform', () {
+      CurrentPlatform.debugCurrentPlatformOverride = PlatformType.windows;
+      CurrentPlatform.debugCurrentPlatformOverride = null;
+
+      expect(CurrentPlatform.type, PlatformType.linux);
+      expect(CurrentPlatform.isWindows, isFalse);
+    });
+  });
 }

packages/stream_chat_flutter/CHANGELOG.md

@@ -30,6 +30,7 @@
 - Redesigned `StreamSystemMessage` / `StreamModeratedMessage` with a pill-shaped style and visual customisation props.
 - Added visual customisation props to `ThreadSeparator` and `UnreadMessagesSeparator`.
 - Added `StreamUnsupportedAttachment` and `UnsupportedAttachmentBuilder` for unrecognised attachment types.
+- Added `StreamQuotedMessage` and `StreamQuotedMessageThemeData` for the quoted message preview.
 - `MessagePreviewFormatter` now renders `AttachmentType.urlPreview` messages with a link icon and caption / OG title / `linkAttachmentText` fallback.
 - Added `StreamPollCardStyle`, `StreamPollQuestionStyle` and `StreamPollOptionVotesStyle` shared style classes for the poll sheets.
 - Added a total vote count footer and per-option "View all" action to `StreamPollResultsSheet`.

packages/stream_chat_flutter/lib/src/components/stream_chat_component_builders.dart

@@ -23,6 +23,7 @@ Iterable<StreamComponentBuilderExtension<Object>> streamChatComponentBuilders({
   StreamComponentBuilder<StreamLinkPreviewAttachmentProps>? linkPreviewAttachment,
   StreamComponentBuilder<StreamVoiceRecordingAttachmentProps>? voiceRecordingAttachment,
   StreamComponentBuilder<StreamPollAttachmentProps>? pollAttachment,
+  StreamComponentBuilder<StreamQuotedMessageProps>? quotedMessage,
   StreamComponentBuilder<StreamUnsupportedAttachmentProps>? unsupportedAttachment,
 }) {
   final builders = [
@@ -46,6 +47,7 @@ Iterable<StreamComponentBuilderExtension<Object>> streamChatComponentBuilders({
     if (linkPreviewAttachment != null) StreamComponentBuilderExtension(builder: linkPreviewAttachment),
     if (voiceRecordingAttachment != null) StreamComponentBuilderExtension(builder: voiceRecordingAttachment),
     if (pollAttachment != null) StreamComponentBuilderExtension(builder: pollAttachment),
+    if (quotedMessage != null) StreamComponentBuilderExtension(builder: quotedMessage),
     if (unsupportedAttachment != null) StreamComponentBuilderExtension(builder: unsupportedAttachment),
   ];
 

packages/stream_chat_flutter/lib/src/message_widget/components/stream_message_content.dart

@@ -1,11 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
 import 'package:stream_chat_flutter/src/attachment/builder/attachment_widget_builder.dart';
-import 'package:stream_chat_flutter/src/channel/stream_message_preview_text.dart';
 import 'package:stream_chat_flutter/src/message_widget/components/stream_message_deleted.dart';
 import 'package:stream_chat_flutter/src/message_widget/components/stream_message_reactions.dart';
 import 'package:stream_chat_flutter/src/message_widget/components/stream_message_text.dart';
 import 'package:stream_chat_flutter/src/message_widget/parse_attachments.dart';
+import 'package:stream_chat_flutter/src/message_widget/stream_quoted_message.dart';
 import 'package:stream_chat_flutter/src/utils/typedefs.dart';
 import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
 import 'package:stream_core_flutter/stream_core_flutter.dart' as core;
@@ -165,40 +165,17 @@ class _StreamMessageContentState extends State<StreamMessageContent> {
                 final bubbleContent = ConstrainedBox(
                   constraints: const BoxConstraints().copyWith(maxWidth: widthLimit),
                   child: core.StreamColumn(
-                    spacing: spacing.xxs,
                     mainAxisSize: .min,
+                    spacing: spacing.xs,
                     crossAxisAlignment: .start,
                     children: [
                       if (widget.message.quotedMessage case final quotedMessage?)
-                        // TODO: Refactor this with attachments
-                        ConstrainedBox(
-                          constraints: const .tightFor(width: 272),
-                          child: GestureDetector(
-                            onTap: !quotedMessage.isDeleted && widget.onQuotedMessageTap != null
-                                ? () => widget.onQuotedMessageTap!(quotedMessage)
-                                : null,
-                            child: Padding(
-                              padding: const EdgeInsets.symmetric(horizontal: 8),
-                              child: core.StreamMessageTheme(
-                                data: core.StreamMessageThemeData(
-                                  incoming: core.StreamMessageStyle(
-                                    backgroundColor: context.streamColorScheme.backgroundSurfaceStrong,
-                                  ),
-                                  outgoing: core.StreamMessageStyle(
-                                    backgroundColor: context.streamColorScheme.brand.shade150,
-                                  ),
-                                ),
-                                child: core.MessageComposerReplyAttachment(
-                                  title: Text(quotedMessage.user?.name ?? ''),
-                                  subtitle: StreamMessagePreviewText(message: quotedMessage),
-                                  style: switch (core.StreamMessageLayout.messageAlignmentOf(context)) {
-                                    core.StreamMessageAlignment.start => .incoming,
-                                    core.StreamMessageAlignment.end => .outgoing,
-                                  },
-                                ),
-                              ),
-                            ),
-                          ),
+                        StreamQuotedMessage(
+                          quotedMessage: quotedMessage,
+                          onTap: switch (widget.onQuotedMessageTap) {
+                            final onTap? => () => onTap(quotedMessage),
+                            _ => null,
+                          },
                         ),
                       ParseAttachments(
                         key: attachmentsKey,