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4cf0d503b8
Slice 5 of the batch feature. Marketing team can now click into a
batch from the list, watch a live progress dashboard, drive it with
Start/Pause/Resume/Cancel, retry individual failed jobs, and pull a
results CSV when it's done.
Includes a stakeholder-demo helper that simulates worker progress
(slice 4 hasn't shipped yet) so non-technical viewers see a realistic
running state without needing real MuAPI generations.
Backend
-------
- POST /api/batches/[id]/start: draft|paused -> running, requeues
any cancelled jobs.
- POST /api/batches/[id]/pause: running -> paused.
- POST /api/batches/[id]/resume: paused -> running.
- POST /api/batches/[id]/cancel: any -> cancelled, marks queued/draft
jobs as cancelled (in-flight ones complete naturally).
- POST /api/batches/[id]/simulate: demo-only. Picks ~10% of queued
jobs, marks ~90% of those done with a placeholder video URL and
~10% failed. Updates batch counters atomically.
- GET /api/batches/[id]/export: streams a CSV with row-index,
practice, trainer, studio, status, video URL, error, retries.
Properly quotes cells, slugifies the filename.
- POST /api/jobs/[id]/retry: resets a failed job to queued so the
worker re-attempts it.
UI
--
- app/batch/[id]/page.js: leaf route mounting BatchDetailShell.
- components/batch/BatchDetailShell.jsx: same MuAPI-key gate as
BatchShell so opening a deep link works in a fresh browser.
- components/batch/BatchDetail.jsx: full progress dashboard.
- Top header: back link, batch name, live status pill, CSV
download button.
- Progress card: done/total numbers, breakdown line
(failed / running / queued), animated yellow bar, "auto-refresh
every 3s" indicator while the batch is running or paused.
- Settings strip: model / duration / quality / aspect / concurrency.
- Filter pills: All | Pending | Done | Failed.
- Demo button: "⚡ Simulate progress (demo)".
- Jobs table: row index, practice (with inline error message),
trainer, studio, status pill, ▶ Play (opens video preview modal),
Retry (only on failed rows).
- 3s polling driven by the running/paused state.
- components/batch/BatchesTab.jsx: rows are now clickable, the
wizard navigates straight to the new batch's detail page after
saving so the demo flow is one continuous click-through.
Verification
------------
- Created a 5-row batch via the API.
- start -> status went to running.
- simulate -> 1 done with placeholder URL, 0 failed (10% of 5 = 0
failed by design).
- GET detail returned the batch with jobs joined to trainer/studio.
- /batch/[id] page returned 200.
- CSV export returned text/csv with the right columns and rows.
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|---|---|---|
| .. | ||
| agents | ||
| api | ||
| batch | ||
| studio/[[...slug]] | ||
| workflow/[id] | ||
| globals.css | ||
| layout.js | ||
| page.js | ||