Доработать UI и счётчики

shine-UI/js/pages/channel-view.js

@@ -290,6 +290,8 @@ function createChannelReadTracker({
   unreadCount,
   messagesCount,
   initialSeenCount,
+  onPersistError = null,
+  onPersistSuccess = null,
 }) {
   const login = String(state.session.login || '').trim();
   const storagePwd = state.session.storagePwdInMemory;
@@ -343,7 +345,9 @@ function createChannelReadTracker({
         storagePwd,
       });
       persistedSeenCount = next;
-    } catch {
+      if (typeof onPersistSuccess === 'function') onPersistSuccess(persistedSeenCount);
+    } catch (error) {
+      if (typeof onPersistError === 'function') onPersistError(error);
       queueFlush(800);
     } finally {
       inFlight = false;
@@ -393,10 +397,8 @@ function createChannelReadTracker({
   }
   window.addEventListener('resize', onResize);
 
-  if (canWrite) {
-    desiredSeenCount = safeMessagesCount;
-    void flush();
-  }
+  // Opening a channel must NOT mark the whole channel as read.
+  // Only cards actually crossed by the viewport tracker advance desiredSeenCount.
   window.setTimeout(() => measure(), 120);
 
   const cleanup = () => {
@@ -2230,6 +2232,12 @@ function renderBody(screen, navigate, routeKey, channelData, handlers) {
     unreadCount,
     messagesCount,
     initialSeenCount: readCount,
+    onPersistError: () => {
+      showStatus('Не удалось сохранить, сколько сообщений прочитано. Сервер повторит попытку автоматически.');
+    },
+    onPersistSuccess: () => {
+      showStatus('');
+    },
   });
 
   return () => {
@@ -2785,6 +2793,24 @@ export function render({ navigate, route, chrome }) {
             });
             if (disposed) return;
 
+            const readSettingKey = buildChannelSettingsKey(
+              apiData.channel?.ownerBlockchainName || apiData.selector?.ownerBlockchainName,
+              apiData.channel?.name || apiData.channel?.channelName,
+            );
+            try {
+              await authService.upsertUserSetting({
+                login,
+                settingType: 1,
+                settingKey: readSettingKey,
+                timeMs: Date.now(),
+                valueText: '',
+                valueNum: Math.max(0, Number(apiData.messagesCount || 0)),
+                storagePwd,
+              });
+            } catch (readStateError) {
+              showStatus(toUserMessage(readStateError, 'Подписка выполнена, но не удалось сохранить, сколько сообщений уже прочитано.'));
+            }
+
             const feed = await authService.listSubscriptionsFeed(login, 200);
             if (disposed) return;
             setChannelsFeed(feed, state.channelsIndex);