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V4 阶段性交付：合并现有成果并保留未达标指标 - #7

Merged

a3384379 merged 51 commits into

masterfrom

codex/v4-phase4-cold-handoff-currentword

Sep 5, 2026

Merged

V4 阶段性交付：合并现有成果并保留未达标指标#7
a3384379 merged 51 commits into
masterfrom
codex/v4-phase4-cold-handoff-currentword

Commits on Jul 25, 2026
- feat: optimize QQ Music cross-device performance
  
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- fix: select available iOS simulator in CI
  
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Commits on Jul 26, 2026
- perf: reduce BLE media latency and reconnect stalls
  
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- perf: reduce lyric and artwork latency
  
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Commits on Jul 30, 2026
- fix: harden album art and Sony BLE stability
  
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- feat: rebuild Android controller with Sony BLE V2
  
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- test: stabilize asynchronous artwork XCTest
  
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- ci: retry transient iOS simulator failures
  
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Commits on Jul 31, 2026
- feat: complete Android controller media synchronization
  
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Commits on Aug 1, 2026
- Improve multi-controller sync and karaoke lyrics
  
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Commits on Aug 8, 2026
- Improve iOS reconnect stability and Sony media sync
  
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Commits on Aug 23, 2026
- Complete BLE V3 integration and app updates
  
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- Complete V4 phase-one product UI refactor
  
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- fix(ci): restore cross-platform build baseline
  
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Commits on Aug 24, 2026
- feat(trace): add realtime latency observability
  
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- fix(realtime): stabilize media handoff correctness
  
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- feat(predictive): add bounded next-track prewarm engine
  
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- perf(lyrics): validate cached lyrics before full transfer
  
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- test(perf): add predictive handoff SLO suite
  
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- fix(test): distinguish fast controls from track transitions
  
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Commits on Aug 25, 2026
- fix(media): align generations and preserve control headroom
  
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- fix(test): dispatch auto scenario through media session
  
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Commits on Aug 27, 2026
- fix(audit): harden phase-three media handoff invariants
  
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- test(trace): add cold-path handoff and currentword coverage
  
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- fix(test): align normal realtime collection window
  
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- fix(test): require complete handoff samples for slo runs
  
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Commits on Aug 28, 2026
- fix(trace): preserve complete handoff correlation on devices
  
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- fix(test): sample handoffs with untrusted clock sync
  
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- fix(trace): record now playing slice consumption
  
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- fix(trace): correlate handoff stages by accepted identity
  
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- fix(test): keep automatic handoff sampling foreground
  
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- fix(test): correlate automatic handoff traces
  
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- perf(handoff): prioritize current lyric and currentword
  
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- fix(test): correlate first valid lyric publication
  
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- fix(test): separate fast pressure from settled handoffs
  
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- fix(test): anchor media SLO at accepted track
  
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- perf(currentword): replace switch holdoff with event barrier
  
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- fix(test): reject clock sync across reconnect
  
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- fix(ble): serialize command response after notify
  
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- fix(test): exclude refreshed tracks from autoplay samples
  
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- docs(perf): record phase-four cold-path evidence
  
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Commits on Aug 29, 2026
- revert: restore immediate Sony GATT responses
  
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Commits on Aug 30, 2026
- perf(handoff): prioritize control over stale media refresh
  
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Commits on Sep 4, 2026
- feat(ios): refine volume and progress sliders
  
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- fix(ios): defer clock sync during media transfers
  
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- test(perf): classify cold-path lyric wait reasons
  
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- perf(handoff): keep track identity on realtime queue
  
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- fix(trace): correlate repeated notification metadata
  
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- docs(perf): record phase-four handoff validation
  
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Commits on Sep 5, 2026
- perf(handoff): publish confirmed track identity before media work
  
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- docs(v4): record milestone merge acceptance gaps
  
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  8062b63

Commits

Commits on Jul 25, 2026

Commits on Jul 26, 2026

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Commits on Aug 27, 2026

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Commits on Aug 29, 2026

Commits on Aug 30, 2026

Commits on Sep 4, 2026

Commits on Sep 5, 2026