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build: make nightly debug builds release-like - #422

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altaywtf merged 1 commit into
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perf/release-like-nightly
Oct 27, 2026
Merged

altaywtf merged 1 commit into
mainfrom
perf/release-like-nightly

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Nightly debug APKs now build with R8, non-debuggable and shell-profileable, so testers feel release performance.

Pixel 8a, before → after:

Flow Jank p99 frame
Cold start (median) 730 → 163 ms
Scroll, 100-row folder 1.8–16.7% → 0.6–1.0% 30–109 → 16–19 ms
Tab switches ~2% → ~1% 40–48 → 20–22 ms
Folder open/back ~7% → ~5% 105–150 → 57–69 ms
  • Nightly debug skips the local OAuth client override, since BuildConfig.DEBUG follows debuggable.
  • Production debug is unchanged; the harness sign-in stays.

Validation

  • Code changes: ./gradlew verify and ./gradlew :mobile:assembleProductionDebug :tv:assembleProductionDebug
  • Proof for each matching row of the AGENTS.md proof map

Unverified: the TV nightly debug build wasn't run on a device.

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📝 Code Review ✅ Completed 2026-10-27T13:35:43.486243Z 8df80cc PR opened
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@altaywtf
altaywtf merged commit 9bcd6f5 into main Oct 27, 2026
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@altaywtf
altaywtf deleted the perf/release-like-nightly branch October 27, 2026 14:10
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