- Detect GCM (Git Credential Manager) as preferred cross-platform helper
- Recognize osxkeychain, GCM, libsecret, gnome-keyring as keychain-backed
- Print distro-specific install hints when no keychain helper found
- Refactor apply_setting_group and apply_ssh_directive_group to use bash
arrays instead of sed-indexed newline-delimited strings
- Extract get_ssh_directive_value() to deduplicate SSH config parsing
- Fix stale function name in tests (apply_ssh_directive → apply_single_ssh_directive)
- Remove orphan comment in detect_existing_keys
- Bump version to 0.4.0
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Use Homebrew ssh-keygen for FIDO2 key generation on macOS instead of
searching for libsk-libfido2.dylib (removed in modern openssh). Group
interactive apply prompts into 6 categories with explanations. Fix
Linux gitleaks install hint to show apt/dnf instead of brew.
Co-Authored-By: Claude <noreply@anthropic.com>
Add security items from post-bump hygiene fixes to the 0.1.0
changelog entry.
Closes: #16🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
