YouTube imports were stuck in `ingesting` forever: after the capability-
routing split (fdec2e3), every worker's WORKER_QUEUES enumerated an explicit
list that omitted `import`, so index.js's `want('import')` was false on every
worker and nothing consumed the import queue. Add `import` to worker-p4
(heavy/primary worker; import is concurrency-1 and network-bound, one consumer
is enough).
Second defect that would have surfaced once routed: the baked yt-dlp came from
the distro package (Ubuntu 22.04 apt = 2022.04.08, ~4 years stale), which
current YouTube rejects. Pull the latest self-contained yt-dlp release binary
at image build instead (GPU image: yt-dlp_linux; alpine image: python zipapp).
Rebuild the worker image to refresh.
Verified on zampp1: import jobs drain ingesting -> processing -> ready,
failed=0, yt-dlp 2026.03.17.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
zgaetano
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