v0.5.0

Changes

• Add macOS Claude Code login Keychain support when the legacy credentials file is absent.
• Preserve credential siblings, create Keychain backups, and verify live state through the active storage backend.
• Fail closed on Keychain access, parsing, or account lookup errors.
• Ensure lib/actions/rename.cjs is included in the npm package and installed action files.

Validation

• Node test suite: 62 passed, 1 platform-specific test skipped.
• npm pack --dry-run verified package 0.5.0 and included lib/actions/rename.cjs.