* feat(llm): add GLM-5.3-Flash, Qwen3.8-Flash, and Tencent HY4 preview
GLM-5.3-Flash on Zhipu, Zhipu Coding Plan and OpenRouter; Qwen3.8-Flash on
DashScope, DashScope Coding Plan and OpenRouter; HY4 preview on OpenRouter.
All three get explicit 1M-class context-window entries so they are not
caught by the glm-5 family fallback (203K) or the 200K default.
* chore: update wechat_group image asset
* chore: update version to v0.2.9
uv.lock moves to deepagents 0.7.11 with its raised dependency floors
(langchain 1.3.18, langchain-core 1.6.1, langchain-anthropic 1.7.0,
langchain-google-genai 4.3.7, langsmith 0.11.2); langgraph stays 1.2.11.
* docs: use umbrella provider names in v0.2.9 changelog
Xi Zhang
a95f5d4c45