fix(package): publish native carrier selector 0.2.12

[gaofeng21cn]

Summary

• advance RCA package surfaces to 0.2.12
• use the public owner marketplace selector redcube-ai@redcube-ai
• keep the developer/local shortcut out of the ordinary owner channel

Validation

• focused package contracts: 5 passed
• fast: 40 passed
• meta CI: 24 passed
• module health: 18 passed
• typecheck/build/structure/line-budget/diff-check: passed
• full: 126 passed, 3 existing OfficeCLI PPT text-overflow failures; the same two unchanged files reproduce 5 passed / 3 failed on canonical parent