- Replace untranslated English strings with empty fallback ('') across all non-English catalogs and sort keys alphabetically (closes#4783, closes#4660)
- Restore missing Sales.no_sales_to_display in English while preserving existing translations (closes#4794, references #4637, #4795)
- Register Georgian (ka) and Swahili (sw-KE, sw-TZ) locales, normalize Croatian to hr per BCP 47, and fix datepicker long month keys (partially addresses #4476, references #3891)
- Hardcode invariant brand constants (OSPOS, website, copyrights) in login/footer views, remove from catalogs, and standardize Latin OSPOS branding
- Fix English catalog typos and maintain consistent British English variants in en-GB
- Add LanguageFilesTest with 4,418 automated tests for syntax, key parity, sorting, and bidirectional locale registrations
- Update AGENTS.md with localization guidelines and development best practices
- Normalize all language files to single quotes with aligned => operators;
no translation text or logic changes
- Add Georgian (ka) scaffolding across ~18 modules with placeholder
translations, matching project style conventions
- Add LanguageFilesTest to validate every PHP file under app/Language
parses without syntax errors; new files auto-discovered via glob
- Fix typo 'mayl' to 'may' in Calendar.php for lo, ka, ml, nb locales
- Improve Spanish translation in Items.php for csv_import_invalid_location
- Add trailing newlines to Calendar.php files (ka, ml, nb, lo) per PSR-12
Co-authored-by: Ollama <ollama@steganos.dev>
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