v3.0.0 (pre-release)

Pre-release for tester validation. Do NOT treat as final until tester gates pass.

Artifacts (frozen tree):

• Linux x86_64: kernel-panic (PCK embedded)
• Windows x86_64: kernel-panic.exe (PCK embedded)
• Android arm64: signed with the NEW 3.0 key (original 2.5.0 key lost).
  2.5.0 users must uninstall + reinstall; migrate progress via
  Settings, save transfer export/import.

Tester checklist and gate report are in the repo under docs/superpowers/reports/.