The zh (Simplified Chinese) locale had ~40 strings from a "missing keys" section that were actually Traditional Chinese or garbled text. This replaces them with correct Simplified Chinese, removes duplicate keys, and fixes a garbled zh-Hant string (姊妹允許 → 始終允許). Fixes #337 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>