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fix(jassub): [PKG-JASSUB-07] repair vendor lifecycle and subtitle frame clock
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Harvey Zhao committed
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@@ -5430,7 +5430,7 @@
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"id": "JASSUB-DESTROY-01",
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"title": "Repeated destruction or cross-parent setVideo can throw before JASSUB cleanup",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-02",
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"PKG-JASSUB-03",
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@@ -5444,7 +5444,15 @@
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"test/jassub-registration.test.js"
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],
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"compatibleResolution": "Use actual resource ownership and tolerate direct instance teardown before host teardown. Task03 fixes host cleanup after direct teardown, reentry and retry/rollback. Direct vendor repetition and cross-parent cleanup remain task07 and this risk stays open.",
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"closureCriteria": "Candidate direct/repeated/host teardown and cross-parent video replacement release container, Worker and listeners without throwing or removing user nodes."
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"closureCriteria": "Candidate direct/repeated/host teardown and cross-parent video replacement release container, Worker and listeners without throwing or removing user nodes.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Controlled old-red/candidate-green repeated direct/host teardown and native cross-parent replacement release the actual container, video listeners and Worker once, preserving user nodes."
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},
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{
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"id": "JASSUB-CANVAS-01",
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@@ -5475,7 +5483,7 @@
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"id": "JASSUB-CONSTRUCTION-01",
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"title": "Worker construction failure leaves previously allocated JASSUB DOM and listeners",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-02",
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"PKG-JASSUB-07"
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@@ -5485,13 +5493,21 @@
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"refactor/baselines/jassub-failures-validation.json"
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],
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"compatibleResolution": "Roll back each construction phase and rethrow the original error without assuming new returned an instance.",
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"closureCriteria": "Controlled and native construction failure do not retain owned DOM/listeners/callbacks; original error identity and successful construction remain intact."
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"closureCriteria": "Controlled and native construction failure do not retain owned DOM/listeners/callbacks; original error identity and successful construction remain intact.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Original controlled SecurityError identity survives rollback; actual invalid Worker URL produces native SyntaxError and leaves no owned DOM/subscriptions. Late initialization and application messages are cancelled after destruction."
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},
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{
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"id": "JASSUB-VIDEO-FRAME-01",
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"title": "Old video frame callbacks can drive replacement subtitle time and duplicate chains",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-02",
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"PKG-JASSUB-07"
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@@ -5501,13 +5517,21 @@
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"refactor/baselines/jassub-failures-validation.json"
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],
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"compatibleResolution": "Track video generation and callback ownership across setVideo and destroy.",
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"closureCriteria": "Actually queued old callbacks cannot deliver stale mediaTime or rearm; replacement video owns one loop, with native evidence."
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"closureCriteria": "Actually queued old callbacks cannot deliver stale mediaTime or rearm; replacement video owns one loop, with native evidence.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Tests execute callbacks actually removed from a pending queue after setVideo/destroy and reject stale time or rearming. Separate real playback after video replacement renders subtitles and tears down successfully in three browser engines and both main/legacy."
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},
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{
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"id": "JASSUB-RATE-01",
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"title": "Fallback ratechange sends an Event instead of numeric playbackRate",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-02",
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"PKG-JASSUB-07"
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@@ -5517,13 +5541,21 @@
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"refactor/baselines/jassub-failures-validation.json"
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],
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"compatibleResolution": "Adapt event subscription to read the current video rate while retaining direct setRate(number).",
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"closureCriteria": "Real ratechange and direct calls send numeric values, preserve timing, and avoid stale listeners after source replacement."
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"closureCriteria": "Real ratechange and direct calls send numeric values, preserve timing, and avoid stale listeners after source replacement.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Controlled and actual browser ratechange send the numeric current playbackRate; cross-video listener cleanup and the existing direct setRate contract remain covered."
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},
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{
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"id": "JASSUB-NATIVE-FRAME-01",
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"title": "Windows WebKit default frame-clock path does not produce subtitle demands in actual playback",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-02",
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"PKG-JASSUB-07",
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@@ -5534,13 +5566,21 @@
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"refactor/baselines/jassub-failures-validation.json"
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],
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"compatibleResolution": "Investigate native frame delivery and establish a compatible capability response; explicit event-clock success is diagnostic only.",
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"closureCriteria": "Default native behavior is verified or an explicit reviewed environment limitation is recorded; no silent global fallback or substitution of diagnostic mode for default acceptance."
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"closureCriteria": "Default native behavior is verified or an explicit reviewed environment limitation is recorded; no silent global fallback or substitution of diagnostic mode for default acceptance.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Native Windows WebKit zero-counter starvation is reproduced on the published default clock. A narrow media-time fallback only in the polyfill with all-zero quality counters restores default onDemand playback and seek; candidate default and custom-canvas pixel assertions pass. Native RVFC and normally increasing counters retain their paths. Default offscreen and physical devices remain task05."
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},
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{
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"id": "JASSUB-QUERY-01",
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"title": "Subtitle query errors throw before calling the consumer and leave request listeners attached",
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"confirmation": "reproduced",
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"status": "open",
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"status": "resolved",
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"owners": [
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"PKG-JASSUB-07",
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"PKG-JASSUB-05"
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@@ -5550,7 +5590,15 @@
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"test/jassub-runtime.test.js"
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],
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"compatibleResolution": "Handle absent worker error payloads, release per-request listeners and timers before invoking user callbacks, and preserve successful synchronous query registration and callback data.",
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"closureCriteria": "Actual vendor timeout and Worker-error paths invoke the consumer exactly once with the original error, leave no request listeners/timers, and successful real-WASM events/styles remain unchanged. Browser error/recovery acceptance remains PKG-JASSUB-05."
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"closureCriteria": "Actual vendor timeout and Worker-error paths invoke the consumer exactly once with the original error, leave no request listeners/timers, and successful real-WASM events/styles remain unchanged. Browser error/recovery acceptance remains PKG-JASSUB-05.",
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"resolutionEvidence": [
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"refactor/changes/2026-09-14-PKG-JASSUB-07-vendor.md",
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"refactor/baselines/jassub-vendor-validation.json",
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"test/jassub-vendor-lifecycle.test.js",
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"test/jassub-frame-polyfill.test.js",
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"test/browser/jassub-lifecycle.spec.js"
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],
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"resolutionRationale": "Actual wrapper timeout and Worker error invoke once with the original error and clean all request listeners/timers first, including throwing user callbacks. Native CSP plain Event identity is preserved; real WASM queries still succeed. Destroy cancellation settles all pending queries after cleanup; complete error recovery remains task05."
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}
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]
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}
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