Localize App or Component

Workflow Checklist

- [ ] 1. Extract hardcoded strings
- [ ] 2. Replace with t() calls in source files
- [ ] 3. Add English translations to en/translation.json
- [ ] 4. Sync translations across languages
- [ ] 5. Machine translate [TODO] keys
- [ ] 6. Validate coverage and terminology

Step 1: Extract Hardcoded Strings

bun run i18n:extract --pattern [PATTERN]