[codex] Show initial frame while live preview starts#189
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Reviewed commit: ce81a6577b
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Codex Review: Didn't find any major issues. More of your lovely PRs please. Reviewed commit: ℹ️ About Codex in GitHubYour team has set up Codex to review pull requests in this repo. Reviews are triggered when you
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Summary
Why
Live preview can remain black until enough stream data arrives for AVFoundation to make the first video frame displayable. Showing a fresh screenshot bridges that startup gap without changing persisted capture media.
Impact
Starting or retrying live preview now shows the device immediately, then hands off to the live stream once a real frame is ready. Screenshot failure remains non-fatal and falls back to the existing black surface.
Validation
xcodebuild -quiet -project Snap-O.xcodeproj -scheme Snap-O CODE_SIGNING_ALLOWED=NO CODE_SIGNING_REQUIRED=NO buildswiftlint lint --strict --no-cache --config .swiftlint.yml Snap-O/LivePreview/LivePreviewSession.swift Snap-O/LivePreview/LivePreviewView.swift