fix(webhook): extract links for incremental push syncs (#2850) (#3337)

* test(webhook): pin sync extraction contract (#2849)

* test(webhook): target the submitted sync payload (#2849)

* fix(webhook): run extraction in sync job (#2849)

* fix(sync): align push trigger extraction (#2849)

Co-authored-by: Song <patentsong@gmail.com>

test/sync-trigger-cli.test.ts

@@ -100,6 +100,7 @@ describe('runSyncTrigger', () => {
     const job = jobs[0];
     expect(job.priority).toBe(-10);
     expect((job.data as { sourceId: string }).sourceId).toBe('default');
+    expect((job.data as { noExtract: boolean }).noExtract).toBe(false);
     expect((job.data as { auto_embed_backfill: boolean }).auto_embed_backfill).toBe(true);
   });