feat(social): local blocklist — hide blocked authors' offers, chats and incoming messages, with unblock management

apps/app_seeds/lib/ui/market_screen.dart

@@ -13,6 +13,7 @@ import '../services/social_service.dart';
 import '../services/social_settings.dart';
 import '../services/onboarding_store.dart';
 import '../state/offers_cubit.dart';
+import 'blocked_people.dart';
 import 'edge_fade.dart';
 import 'filter_chips.dart';
 import 'market_gate.dart';
@@ -92,6 +93,7 @@ class _MarketScreenState extends State<MarketScreen> {
     setState(() => _loading = true);
     final cubit =
         await createOffersCubit(widget.connection, repository: repo);
+    cubit.setBlockedAuthors(await widget.settings.blockedPubkeys());
     final area = await widget.settings.areaGeohash();
     if (!mounted) {
       await cubit.close();
@@ -123,6 +125,12 @@ class _MarketScreenState extends State<MarketScreen> {
     }
   }
 
+  /// Re-reads the blocklist (the offer detail can block an author) so their
+  /// offers drop out of the visible list at once.
+  Future<void> _reloadBlocked() async {
+    _cubit?.setBlockedAuthors(await widget.settings.blockedPubkeys());
+  }
+
   Future<void> _openConfig() async {
     final changed = await showModalBottomSheet<bool>(
       context: context,
@@ -227,6 +235,7 @@ class _MarketScreenState extends State<MarketScreen> {
                 onRetry: _init,
                 hasArea: _hasArea,
                 selfPubkey: widget.social.publicKeyHex,
+                onOfferClosed: _reloadBlocked,
               ),
             ),
     );
@@ -239,6 +248,7 @@ class MarketBody extends StatelessWidget {
     this.onRetry,
     this.hasArea = true,
     this.selfPubkey,
+    this.onOfferClosed,
     super.key,
   });
 
@@ -253,6 +263,10 @@ class MarketBody extends StatelessWidget {
   /// This user's own pubkey, so we don't offer to message our own listings.
   final String? selfPubkey;
 
+  /// Called after coming back from an offer's detail (which can block its
+  /// author), so the visible list refreshes against the blocklist.
+  final Future<void> Function()? onOfferClosed;
+
   @override
   Widget build(BuildContext context) {
     final t = context.t;
@@ -371,8 +385,10 @@ class MarketBody extends StatelessWidget {
                           return _OfferCard(
                             offer: o,
                             mine: mine,
-                            onTap: () =>
-                                context.push('/market/offer', extra: o),
+                            onTap: () async {
+                              await context.push('/market/offer', extra: o);
+                              await onOfferClosed?.call();
+                            },
                           );
                         },
                       ),
@@ -826,6 +842,19 @@ class _ConfigSheetState extends State<_ConfigSheet> {
                             helperMaxLines: 2,
                           ),
                         ),
+                        ListTile(
+                          key: const Key('market.blockedPeople'),
+                          contentPadding: EdgeInsets.zero,
+                          leading: const Icon(Icons.block, color: seedMuted),
+                          title: Text(t.block.manageTitle),
+                          trailing: const Icon(Icons.chevron_right),
+                          onTap: () => showModalBottomSheet<void>(
+                            context: context,
+                            isScrollControlled: true,
+                            builder: (_) =>
+                                BlockedPeopleSheet(settings: widget.settings),
+                          ),
+                        ),
                       ],
                     ),
                   ),