- Add locales/es.json with 646 keys (neutral Spanish, based on upstream PR #510)
- Add locales/ca.json with 646 keys (standard Catalan, full translation)
- Add README-ES.md and README-CA.md with complete project documentation
- Update locales/languages.json with ca entry and llmInstruction
- Update README.md language switcher links
Both locales integrate automatically with the existing i18n architecture:
UI labels, progress messages, console logs, and LLM prompt instructions
all respect the user's selected language end-to-end.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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