💄 Show the most typical reaction

lib/widgets/attachment/attachment_list.dart

@@ -62,7 +62,8 @@ class _AttachmentListState extends State<AttachmentList> {
                     'audio' => 16 / 9,
                     'video' => 16 / 9,
                     _ => 1,
-                  };
+                  }
+                      .toDouble();
 
           return Container(
             constraints: ResponsiveBreakpoints.of(context).largerThan(MOBILE)

lib/widgets/post/post_item.dart

@@ -11,12 +11,14 @@ import 'package:styled_widget/styled_widget.dart';
 import 'package:surface/providers/sn_network.dart';
 import 'package:surface/providers/userinfo.dart';
 import 'package:surface/types/post.dart';
+import 'package:surface/types/reaction.dart';
 import 'package:surface/widgets/account/account_image.dart';
 import 'package:surface/widgets/attachment/attachment_list.dart';
 import 'package:surface/widgets/dialog.dart';
 import 'package:surface/widgets/markdown_content.dart';
 import 'package:gap/gap.dart';
 import 'package:surface/widgets/post/post_comment_list.dart';
+import 'package:surface/widgets/post/post_meta_editor.dart';
 import 'package:surface/widgets/post/post_reaction.dart';
 import 'package:surface/widgets/post/publisher_popover.dart';
 
@@ -69,6 +71,11 @@ class PostItem extends StatelessWidget {
                 _PostQuoteContent(child: data.repostTo!).padding(
                   horizontal: 12,
                 ),
+              if (data.visibility > 0)
+                _PostVisibilityHint(data: data).padding(
+                  horizontal: 16,
+                  vertical: 4,
+                ),
               if (data.body['content_truncated'] == true)
                 _PostTruncatedHint(data: data).padding(
                   horizontal: 16,
@@ -121,6 +128,13 @@ class _PostBottomAction extends StatelessWidget {
     final iconColor = Theme.of(context).colorScheme.onSurface.withAlpha(
           (255 * 0.8).round(),
         );
+
+    final String? mostTypicalReaction = data.metric.reactionList.isNotEmpty
+        ? data.metric.reactionList.entries
+            .reduce((a, b) => a.value > b.value ? a : b)
+            .key
+        : null;
+
     return Row(
       mainAxisAlignment: MainAxisAlignment.spaceBetween,
       children: [
@@ -131,7 +145,18 @@ class _PostBottomAction extends StatelessWidget {
                 InkWell(
                   child: Row(
                     children: [
-                      Icon(Symbols.add_reaction, size: 20, color: iconColor),
+                      if (mostTypicalReaction == null ||
+                          kTemplateReactions[mostTypicalReaction] == null)
+                        Icon(Symbols.add_reaction, size: 20, color: iconColor)
+                      else
+                        Text(
+                          kTemplateReactions[mostTypicalReaction]!.icon,
+                          style: TextStyle(
+                            fontSize: 16,
+                            height: 1.2,
+                            letterSpacing: 0,
+                          ),
+                        ),
                       const Gap(8),
                       if (data.totalUpvote > 0 &&
                           data.totalUpvote >= data.totalDownvote)
@@ -478,6 +503,30 @@ class _PostTagsList extends StatelessWidget {
   }
 }
 
+class _PostVisibilityHint extends StatelessWidget {
+  final SnPost data;
+  const _PostVisibilityHint({super.key, required this.data});
+
+  static const List<IconData> kVisibilityIcons = [
+    Symbols.public,
+    Symbols.group,
+    Symbols.person_check,
+    Symbols.person_remove,
+    Symbols.lock,
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Icon(kVisibilityIcons[data.visibility], size: 20),
+        const Gap(4),
+        Text(kPostVisibilityLevel[data.visibility] ?? 'postVisibilityAll').tr(),
+      ],
+    ).opacity(0.75);
+  }
+}
+
 class _PostTruncatedHint extends StatelessWidget {
   final SnPost data;
   const _PostTruncatedHint({super.key, required this.data});
@@ -495,9 +544,9 @@ class _PostTruncatedHint extends StatelessWidget {
               const Gap(4),
               Text('postReadEstimate').tr(args: [
                 '${Duration(
-                  seconds: ((data.body['content_length'] as num).toDouble() /
+                  seconds: (data.body['content_length'] as num).toDouble() *
-                          kHumanReadSpeed)
+                      60 ~/
-                      .round(),
+                      kHumanReadSpeed,
                 ).inSeconds}s',
               ]),
             ],

lib/widgets/post/post_meta_editor.dart

@@ -9,17 +9,17 @@ import 'package:surface/controllers/post_write_controller.dart';
 import 'package:surface/widgets/account/account_select.dart';
 import 'package:surface/widgets/post/post_tags_field.dart';
 
-class PostMetaEditor extends StatelessWidget {
+const Map<int, String> kPostVisibilityLevel = {
-  final PostWriteController controller;
-  const PostMetaEditor({super.key, required this.controller});
-
-  static Map<int, String> kPostVisibilityLevel = {
   0: 'postVisibilityAll',
   1: 'postVisibilityFriends',
   2: 'postVisibilitySelected',
   3: 'postVisibilityFiltered',
   4: 'postVisibilityNone',
-  };
+};
+
+class PostMetaEditor extends StatelessWidget {
+  final PostWriteController controller;
+  const PostMetaEditor({super.key, required this.controller});
 
   Future<DateTime?> _selectDate(
     BuildContext context, {