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test(auto-thumbnail): [PKG-AUTO-THUMB-02] reproduce extraction and lifecycle failures

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Harvey Zhao committed 2026-09-13 06:07:37 +08:00
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commit 9cd6659ab4
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+2441 -14
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refactor/risks.json
+31 -6
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@@ -4051,7 +4051,7 @@
{
"id": "AUTO-THUMB-LIFE-01",
"title": "Extraction tasks, decoder handlers and final object URLs lack source-switch and destroy ownership",
"confirmation": "source-observed",
"confirmation": "reproduced",
"status": "open",
"owners": [
"PKG-AUTO-THUMB-02",
@@ -4061,15 +4061,19 @@
"evidence": [
"refactor/baselines/auto-thumbnail-release.json",
"refactor/baselines/auto-thumbnail-contract.md",
"refactor/scripts/auto-thumbnail-contract.test.mjs"
"refactor/scripts/auto-thumbnail-contract.test.mjs",
"test/auto-thumbnail.test.js",
"refactor/baselines/auto-thumbnail-failures.md",
"refactor/baselines/auto-thumbnail-failures-validation.json"
],
"compatibleResolution": "Cancel obsolete work and release owned resources while retaining live options and progressive usable sheet updates.",
"closureCriteria": "Delayed callbacks, repeated metadata, switching, destroy, multiple instances and failure cleanup are reproduced then pass source/artifacts and native browser checks."
"closureCriteria": "Delayed callbacks, repeated metadata, switching, destroy, multiple instances and failure cleanup are reproduced then pass source/artifacts and native browser checks.",
"workspaceState": "Task02 reproduces old failures with 64 controlled tests and native delayed JPEG callbacks. Candidate fixes, numeric validation, reentrancy and complete cleanup boundaries remain task03; status stays open."
},
{
"id": "AUTO-THUMB-ENCODE-01",
"title": "Unserialized encodes include blank output and lack media/canvas/input failure handling",
"confirmation": "source-observed",
"confirmation": "reproduced",
"status": "open",
"owners": [
"PKG-AUTO-THUMB-02",
@@ -4079,10 +4083,31 @@
"evidence": [
"refactor/baselines/auto-thumbnail-release.json",
"refactor/baselines/auto-thumbnail-contract.md",
"refactor/scripts/auto-thumbnail-contract.test.mjs"
"refactor/scripts/auto-thumbnail-contract.test.mjs",
"test/auto-thumbnail.test.js",
"refactor/baselines/auto-thumbnail-failures.md",
"refactor/baselines/auto-thumbnail-failures-validation.json"
],
"compatibleResolution": "Preserve JPEG grid/time/scale while bounding jobs, sequencing valid updates and handling null Blob, invalid media and thrown callbacks.",
"closureCriteria": "Fault controls and native valid/corrupt media prove no stale sheet replacement, leaked URLs or unhandled async callbacks; capability limitations remain explicit."
"closureCriteria": "Fault controls and native valid/corrupt media prove no stale sheet replacement, leaked URLs or unhandled async callbacks; capability limitations remain explicit.",
"workspaceState": "Task02 reproduces old failures with 64 controlled tests and native delayed JPEG callbacks. Candidate fixes, numeric validation, reentrancy and complete cleanup boundaries remain task03; status stays open."
},
{
"id": "AUTO-THUMB-PIXEL-01",
"title": "Historical auto-thumbnail yields black sampled JPEG cells on Windows WebKit while played native video and static JPEG controls yield color",
"confirmation": "reproduced",
"status": "open",
"owners": [
"PKG-AUTO-THUMB-03",
"PKG-AUTO-THUMB-05"
],
"evidence": [
"test/browser/auto-thumbnail.spec.js",
"refactor/baselines/auto-thumbnail-failures.md",
"refactor/baselines/auto-thumbnail-failures-validation.json"
],
"compatibleResolution": "Establish actual decoded-frame readiness for the existing timeline/grid and preserve silent independent extraction; do not waive colored pixel checks as unsupported media.",
"closureCriteria": "Candidate source and artifacts generate usable sampled pixels on native browser controls with lifecycle checks; supported Safari and core combinations remain explicit final gates."
}
]
}