[jlc488]

Summary

• apply public oss-brand v0.1.1 O05 identity across nine localized READMEs and the demo site
• update extension icons and generated store promos without changing permissions or runtime behavior
• add local favicon/Apple/OG metadata, canonical atmosphere, RTL and narrow-width support
• gate exact assets and preserved privacy/screenshots/manifest surfaces through verify and release workflows

Verification

• 117 tests, build, extension build and packaged ZIP passed
• 195px and RTL browser checks passed
• independent final review: spec/code/design PASS
• existing TS5.9 unused @ts-expect-error baseline remains unchanged

Canonical guide: https://devslab.kr/brand/open-source/