refactor: usar getLastChangedActive y eliminar changedActive de syncGroups

Co-authored-by: aider (openrouter/openai/gpt-5) <aider@aider.chat>

src/server.ts

@@ -211,8 +211,11 @@ export class WebhookServer {
 					try {
 						const res = await GroupSyncService.syncGroups();
 						GroupSyncService.refreshActiveGroupsCache();
-						if (Array.isArray((res as any).changedActive) && (res as any).changedActive.length > 0) {
+						const changed = GroupSyncService.getLastChangedActive();
-							await GroupSyncService.syncMembersForGroups((res as any).changedActive);
+						if (changed.length > 0) {
+							await GroupSyncService.syncMembersForGroups(changed);
+						} else {
+							await GroupSyncService.syncMembersForActiveGroups();
 						}
 					} catch (e) {
 						console.error('❌ Error handling groups.upsert:', e);

src/services/group-sync.ts

@@ -75,8 +75,9 @@ export class GroupSyncService {
 	private static _groupsIntervalMs: number | null = null;
 	private static _groupsNextTickAt: number | null = null;
 	private static _membersGlobalCooldownUntil: number = 0;
+	private static _lastChangedActive: string[] = [];
 
-	static async syncGroups(force: boolean = false): Promise<{ added: number; updated: number; changedActive: string[] }> {
+	static async syncGroups(force: boolean = false): Promise<{ added: number; updated: number }> {
 		if (!this.shouldSync(force)) {
 			return { added: 0, updated: 0 };
 		}
@@ -189,7 +190,9 @@ export class GroupSyncService {
 			// Duración opcional
 			Metrics.set('last_sync_duration_ms', Date.now() - (typeof startedAt !== 'undefined' ? startedAt : Date.now()));
 
-			return { ...result, changedActive: newlyActivatedIds };
+			// Guardar lista de grupos que han pasado a activos para consumo externo
+			this._lastChangedActive = Array.isArray(newlyActivatedIds) ? newlyActivatedIds : [];
+			return result;
 		} catch (error) {
 			console.error('Group sync failed:', error);
 			Metrics.inc('sync_errors_total');
@@ -1010,6 +1013,14 @@ export class GroupSyncService {
 		this.cacheActiveGroups();
 	}
 
+	public static getLastChangedActive(): string[] {
+		try {
+			return Array.from(this._lastChangedActive || []);
+		} catch {
+			return [];
+		}
+	}
+
 	public static startGroupsScheduler(): void {
 		if (process.env.NODE_ENV === 'test') return;
 		if (this._groupsSchedulerRunning) return;