- Extract ~100+ hardcoded Chinese strings from 17 Compose files into string resources - Fix zh-rHK file encoding from GBK to UTF-8 - Fill 683 missing zh-rTW translations (1361 → 2156 keys) - Fill 686 missing zh-rHK translations (1358 → 2156 keys) - Add 3 missing keys to zh-rCN (custom_button, is_event_listener, rule_call_back) - All 4 locale files now have equal coverage (2156 keys)