Merge branch 'dev' — i18n scope clarification

Author: pancacake

README.md

@@ -35,7 +35,7 @@
 
 ### 📦 Releases
 
-> **[2026.4.8]** [v1.0.0-beta.3](https://github.com/HKUDS/DeepTutor/releases/tag/v1.0.0-beta.3) — Remove litellm dependency with native OpenAI/Anthropic SDK providers, Windows Math Animator compatibility, robust JSON parsing for LLM outputs, Guided Learning KaTeX & navigation fixes, and full i18n coverage.
+> **[2026.4.8]** [v1.0.0-beta.3](https://github.com/HKUDS/DeepTutor/releases/tag/v1.0.0-beta.3) — Remove litellm dependency with native OpenAI/Anthropic SDK providers, Windows Math Animator compatibility, robust JSON parsing for LLM outputs, Guided Learning KaTeX & navigation fixes, and full i18n coverage for Chinses.
 
 > **[2026.4.7]** [v1.0.0-beta.2](https://github.com/HKUDS/DeepTutor/releases/tag/v1.0.0-beta.2) — Runtime cache invalidation for hot settings reload, MinerU nested output support, mimic WebSocket fix, Python 3.11+ minimum, and CI improvements.