refactor(i18n): consolidate duplicate translation keys into common section
Add common.* keys for reusable translations:
- common.label.* - UI labels (error, done, status, version, etc.)
- common.status.* - status words (running, stopped, dirty, synced)
- common.error.* - error messages (failed, not_found, working_dir)
- common.flag.* - CLI flag descriptions (registry, verbose, etc.)
- common.count.* - count templates (failed, passed, skipped)
- common.result.* - result messages (all_passed, no_issues)
- common.progress.* - progress messages (running, checking)
- common.hint.* - help hints (install_with, fix_deps)
Update all cmd/* files to use common keys instead of duplicated
command-specific keys. Reduces translation maintenance burden
and ensures consistency across the CLI.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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