`git apply patches/vision-camera-isp-off.patch` turns NOISE_REDUCTION_MODE and
EDGE_MODE off for every still JPEG (HybridPhotoOutput.kt) and for the 0.5x path
(UltraWideModule.kt), which is how the two performance APKs were built. Apply
before assembleProRelease / bundleProRelease, revert after; the measured A/B
lives in isp-nr-off.md.
- Settings STARTUP MODE chips (AsyncStorage startup_mode): default = clean camera
+ PROVIA neutral 4:3, last = restore full session look.
- initSession: resolve sim-* recipe ids via FILM_SIMS (fix clobber of session
ratio/adjustments to 4:3 canonical); restore via setSelectedRecipe not
applyRecipe so user tweaks (frame/geotag/ratio) survive restore.
- applyDefaultStartup turns GPS watermark OFF (user-requested default).
- Shutter: OFF must not play click on must-play-policy devices. VisionCamera
v5.2.3 HybridPhotoOutput.kt plays MediaActionSound itself gated by
(enableShutterSound ?: true) || mustPlayShutterSound — on Xiaomi mustPlay=true
so OFF still clicked. Both capture paths now gate on enableShutterSound != false.
node_modules patch not trackable -> artifacts/patches/vision-camera-shutter-silent.patch.
Verified on Xiaomi 12S Ultra: log SND user=false -> play=false; cold-start
DEFAULT shows GPS WATERMARK OFF.
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