KI-AGENT: Matrix Push Worker Rate Limit entschärfen

backend/src/modules/matrix-push-worker.service.ts

@@ -125,6 +125,7 @@ export function startMatrixPushWorker(server: FastifyInstance) {
     let stopped = false
     let timer: ReturnType<typeof setTimeout> | undefined
     let lastServiceJoinSyncAt = 0
+    let errorBackoffMs = 0
 
     const getTenantRecipients = async (tenantId: number) => {
         const rows = await server.db
@@ -344,8 +345,14 @@ export function startMatrixPushWorker(server: FastifyInstance) {
                     }
                 }
             }
+            errorBackoffMs = 0
         } catch (err) {
             matrixPushWorkerState.lastError = err instanceof Error ? err.message : String(err)
+            const retryAfterMs = Number((err as any)?.retryAfterMs || (err as any)?.body?.retry_after_ms || 0)
+            errorBackoffMs = Math.min(
+                Math.max(retryAfterMs || (errorBackoffMs ? errorBackoffMs * 2 : 30_000), 30_000),
+                5 * 60_000
+            )
             rememberWorkerEvent({
                 at: new Date().toISOString(),
                 type: "error",
@@ -356,7 +363,8 @@ export function startMatrixPushWorker(server: FastifyInstance) {
         } finally {
             running = false
             if (!stopped) {
-                timer = setTimeout(() => void runOnce(), since ? 0 : intervalMs)
+                const nextDelay = errorBackoffMs || (since ? 0 : intervalMs)
+                timer = setTimeout(() => void runOnce(), nextDelay)
             }
         }
     }