Collapse filing sync notifications into one batch surface

lib/server/api/app.ts

@@ -73,6 +73,7 @@ import {
 import { answerSearchQuery, searchKnowledgeBase } from '@/lib/server/search';
 import {
   enqueueTask,
+  findOrEnqueueTask,
   findInFlightTask,
   getTaskById,
   getTaskTimeline,
@@ -340,7 +341,7 @@ async function queueAutoFilingSync(
   metadata?: { category?: unknown; tags?: unknown }
 ) {
   try {
-    await enqueueTask({
+    await findOrEnqueueTask({
       userId,
       taskType: 'sync_filings',
       payload: buildSyncFilingsPayload({
@@ -1459,7 +1460,7 @@ export const app = new Elysia({ prefix: '/api' })
     if (shouldQueueSync) {
       try {
         const watchlistItem = await getWatchlistItemByTicker(session.user.id, ticker);
-        await enqueueTask({
+        await findOrEnqueueTask({
           userId: session.user.id,
           taskType: 'sync_filings',
           payload: buildSyncFilingsPayload({
@@ -1661,7 +1662,7 @@ export const app = new Elysia({ prefix: '/api' })
 
     try {
       const limit = typeof payload.limit === 'number' ? payload.limit : Number(payload.limit);
-      const task = await enqueueTask({
+      const task = await findOrEnqueueTask({
         userId: session.user.id,
         taskType: 'sync_filings',
         payload: buildSyncFilingsPayload({