rdmsm4x-changelog-20260903-2113-xcode266-restored-rtty-pin-verified

Xcode 26.6 (17F113) restored from Trash to /Applications on rdmsm4x; the RTTy archive toolchain pin is satisfied again and the Finder badge is explained as LaunchServices -10664 (incompatible on macOS 27), not damage.

[2026-09-03 21:13:46 EDT · rdmsm4x · claude@rdmsm4x/cc1f63d7] — approval: Rich "/goal all actions approved"

Scope

• Host: rdmsm4x only.

Files touched / commands run

• mv ~/.Trash/Xcode.app /Applications/Xcode.app (21:11:4x EDT); lsregister -f /Applications/Xcode.app.
• Xcode prefs com.apple.dt.Xcode: restored via defaults import (undo: defaults import com.apple.dt.Xcode /Users/richh/dev/_handoff/rtty-native-nettop-20260903/release/build48-6c81a06/provisioning/xcode-prefs-fresh-20260903-2113.plist).
• RTTy writer tree SESSION-STATE.md new top section, committed and pushed on branch codex/rtty-native-nettop-20260903 (main untouched).
• ~/dev/PROJECTS.md RTTy row status text.
• Tickets resolved: DEC-20260903-07 (chosen: restore from Trash), ISSUE-20260903-35.
• Memory: xcode-26-gui-incompatible-on-macos-27.md.

Verification

• DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer /usr/bin/xcodebuild -version → Xcode 26.6 / Build version 17F113.
• open -a /Applications/Xcode.app → rc 1, _LSOpenURLsWithCompletionHandler() failed ... error -10664. GUI launch is refused by the OS; CLI is unaffected.
• Trash copy was complete before the move: 8.3G apparent, 120215 files, all platforms and SDKs present.

Undo

• mv /Applications/Xcode.app ~/.Trash/Xcode.app; prefs undo command is in the prefs line above.

Outstanding owner actions

• rdawU3 (Apple Watch Ultra 3) and rdavp1 (Vision Pro) still unregistered on team ZU2882L4HT.
• Re-open Xcode 27 beta and confirm the developer account is listed (Settings > Accounts) before the next signed build.