- Add full LICENSE file (GPL-3.0)
- Add SPDX headers to all 44 Kotlin source files
- Add SPDX headers to 3 iOS Swift/Info.plist files
- Update README.md and AGENTS.md with license info
- AndroidOAuthClient: ACTION_VIEW + OAuthCallbackActivity (myice://callback)
- IosOAuthClient: ASWebAuthenticationSession with presentation context provider
- DesktopOAuthClient: local HTTP server + system browser
- AndroidManifest: register OAuthCallbackActivity intent filter
- Align Kotlin to 2.3.20 (required by Compose MP 1.11.1 klibs) and
compileSdk to 36 (required by activity-compose 1.13.0); fix missing
Text import and stray brace in placeholder iOS/Android entry points