Improve messaging and dashboard reliability

src/services/chat/service.ts

@@ -7,7 +7,12 @@ import type {
 } from '../../database/repositories.js';
 import type { MediaService } from '../media.js';
 import { ChatCache } from './cache.js';
-import { MatrixClient, MatrixAuthError, MatrixRateLimitError } from './matrix/client.js';
+import {
+  MatrixClient,
+  MatrixAuthError,
+  MatrixFeatureDisabledError,
+  MatrixRateLimitError,
+} from './matrix/client.js';
 import type { MatrixJoinedRoom, MatrixTimelineEvent } from './matrix/types.js';
 import type { ActiveChat, ChatMessage, ScrapedChatMessage, InvitationCooldown } from './types.js';
 
@@ -128,6 +133,7 @@ export class ChatService {
   private readonly t2ToUsername = new Map<string, string>();
   /** Rooms whose /joined_members lookup has already failed — don't retry. */
   private readonly unresolvableRooms = new Set<string>();
+  private roomStateLookupAvailable = true;
   private syncingKind: 'full' | 'delta' | null = null;
   private progress: SyncProgress | null = null;
   private progressListener: SyncProgressListener | null = null;
@@ -1341,25 +1347,32 @@ export class ChatService {
         chat.username.startsWith('@');
       if (!needsLookup) continue;
       let t2: string | undefined;
-      try {
-        const state = await this.withAuth(() => this.matrix.getRoomFullState(chat.roomId!));
-        const otherMember = state.find((e) => {
-          if (e.type !== 'm.room.member') return false;
-          const sk = (e as { state_key?: string }).state_key;
-          const membership = (e.content as { membership?: string }).membership;
-          return (
-            sk &&
-            sk !== this.matrix.userId &&
-            (membership === 'join' || membership === 'invite')
-          );
-        }) as { state_key?: string } | undefined;
-        t2 = otherMember?.state_key?.match(/^@(t2_[^:]+):/)?.[1];
-      } catch (err) {
-        if (err instanceof MatrixAuthenticationUnavailableError) {
-          this.logger.warn('[chat] username enrichment paused until Reddit login is restored');
-          return;
+      if (this.roomStateLookupAvailable) {
+        try {
+          const state = await this.withAuth(() => this.matrix.getRoomFullState(chat.roomId!));
+          const otherMember = state.find((e) => {
+            if (e.type !== 'm.room.member') return false;
+            const sk = (e as { state_key?: string }).state_key;
+            const membership = (e.content as { membership?: string }).membership;
+            return (
+              sk &&
+              sk !== this.matrix.userId &&
+              (membership === 'join' || membership === 'invite')
+            );
+          }) as { state_key?: string } | undefined;
+          t2 = otherMember?.state_key?.match(/^@(t2_[^:]+):/)?.[1];
+        } catch (err) {
+          if (err instanceof MatrixAuthenticationUnavailableError) {
+            this.logger.warn('[chat] username enrichment paused until Reddit login is restored');
+            return;
+          }
+          if (err instanceof MatrixFeatureDisabledError) {
+            this.roomStateLookupAvailable = false;
+            this.logger.debug('[chat] room state lookup is disabled upstream; using message history instead');
+          } else {
+            this.logger.debug(`[chat] /state lookup failed for ${chat.roomId}:`, err);
+          }
         }
-        this.logger.debug(`[chat] /state lookup failed for ${chat.roomId}:`, err);
       }
       if (!t2) {
         try {