fix(phase6a): increase BullMQ lockDuration to 5min (network/db calls exceed 30s)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

apps/worker/src/schedulers/pipeline.ts

@@ -49,6 +49,11 @@ export async function startInsightPipeline() {
     { name: "compress-sessions", data: {}, opts: { removeOnComplete: 50, removeOnFail: 25 } },
   );
 
-  new Worker(QUEUE, runJob, { connection: redis, concurrency: 2 });
+  new Worker(QUEUE, runJob, {
+    connection: redis,
+    concurrency: 2,
+    lockDuration: 5 * 60_000,
+    stalledInterval: 60_000,
+  });
   console.log("[pipeline] armed: posthog-ingest@*/5min, tag-sessions@*/2min, compress-sessions@*/3min");
 }