Merge35: media upload PDF fixtures do not publish their previews #1471

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opened 2026-10-08 13:41:58 +00:00 by kayg · 0 comments
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Merge35 (#1458) real-release media upload probe reported two non-SLOW thumbnail failures:

!! PDF thumbnail worker: valid one-page PDF did not produce a thumbnail
!! kind-specific thumbnail worker: both content-classified PDF items did not publish a preview
media upload findings: 2

The full-round tests/adversarial/media_uploads.py fixtures and expectations remain unchanged. Investigate queued/disabled worker state, content-classified MIME selection and publication. The run also reports that a later hostile-bytes thumbnail header check was skipped because no thumbnail appeared in ten seconds. This evidence does not identify the cause.

The round's initial bounded native document/media preflight passed, including explicit PDF/SVG loaders producing WebP. The focused public File card and Quick Look production regressions passed earlier. The full Files e2e has its separate text-card/PDF fixture failure (#1463).

No crash or content corruption is established by these thumbnail findings. Product build 938a141d5; integration head 0ba15bd945. Local log: artifacts/merge35/adversarial.log.

Merge35 (#1458) real-release media upload probe reported two non-SLOW thumbnail failures: ``` !! PDF thumbnail worker: valid one-page PDF did not produce a thumbnail !! kind-specific thumbnail worker: both content-classified PDF items did not publish a preview media upload findings: 2 ``` The full-round `tests/adversarial/media_uploads.py` fixtures and expectations remain unchanged. Investigate queued/disabled worker state, content-classified MIME selection and publication. The run also reports that a later hostile-bytes thumbnail header check was skipped because no thumbnail appeared in ten seconds. This evidence does not identify the cause. The round's initial bounded native document/media preflight passed, including explicit PDF/SVG loaders producing WebP. The focused public File card and Quick Look production regressions passed earlier. The full Files e2e has its separate text-card/PDF fixture failure (#1463). No crash or content corruption is established by these thumbnail findings. Product build 938a141d5; integration head 0ba15bd9459c66dd820297474b71d603ca8e637f. Local log: `artifacts/merge35/adversarial.log`.
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kayg/calternal-v0#1471
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