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test(mediabunny): [PKG-MB-02] checkpoint native playback and late load failures

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Harvey Zhao committed 2026-09-12 17:12:59 +08:00
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commit 63c8938dd7
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refactor/risks.json
+21 -3
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@@ -3638,7 +3638,7 @@
{
"id": "MB-LIFE-01",
"title": "MediaBunny load, track replacement, timeout, RAF and audio callbacks lack one shared terminal owner",
"confirmation": "source-observed",
"confirmation": "reproduced",
"owners": [
"PKG-MB-02",
"PKG-MB-03",
@@ -3648,13 +3648,15 @@
"PKG-MB-07",
"PKG-MB-09"
],
"compatibleResolution": "Reproduce pending operations and destroy/source-switch races before migrating each owner; preserve public event and promise behavior while preventing stale resource use.",
"compatibleResolution": "Reproduce pending operations and destroy/source-switch races before migrating each owner; preserve public event and promise behavior while preventing stale resource use. MB-02 now reproduces late load rejection and uncancelled waiting/loadstart timers after destroy in all three historical implementations using a controlled host. Other interleavings and full-core native behavior are not yet verified.",
"closureCriteria": "Historical failing interleavings and candidate cancellation/cleanup pass with real media and event evidence, including long playback and track topology.",
"status": "open",
"evidence": [
"refactor/baselines/mb-release.json",
"refactor/baselines/mb-contract.md",
"refactor/changes/2026-09-12-PKG-MB-01-contract.md"
"refactor/changes/2026-09-12-PKG-MB-01-contract.md",
"refactor/changes/2026-09-12-PKG-MB-02-checkpoint.md",
"refactor/baselines/mb-media-checkpoint.json"
]
},
{
@@ -3673,6 +3675,22 @@
"refactor/baselines/mb-contract.md",
"refactor/changes/2026-09-12-PKG-MB-01-contract.md"
]
},
{
"id": "MB-CAP-01",
"title": "Current Windows WebKit lacks WebCodecs and Web Audio constructors needed by historical MediaBunny proxies",
"status": "open",
"confirmation": "reproduced",
"owners": [
"PKG-MB-02",
"PKG-MB-09"
],
"compatibleResolution": "Keep exact capability negative controls and validate usable browsers/codecs separately; improve unsupported-capability reporting during migration without fabricating decoder support.",
"closureCriteria": "Per-browser native media/support matrix and predictable unsupported-capability behavior verified, including target Safari evidence where support is claimed.",
"evidence": [
"refactor/changes/2026-09-12-PKG-MB-02-checkpoint.md",
"refactor/baselines/mb-media-checkpoint.json"
]
}
]
}