💄 style: add taichu2_mm vision model for Taichu Provider

[hezhijie0327]

💻 变更类型 | Change Type

• ✨ feat
• 🐛 fix
• ♻️ refactor
• 💄 style
• 👷 build
• ⚡️ perf
• 📝 docs
• 🔨 chore

🔀 变更说明 | Description of Change

引入 taichu2_mm 多模态大模型（现已支持 OAI 兼容模式）

功能	截图
多模态
对话

注：首次多模态对话必须添加图片

📝 补充信息 | Additional Information

[vercel]

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[lobehubbot]

👍 @hezhijie0327

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.10%. Comparing base (de09895) to head (bb76129).
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5305   +/-   ##
=======================================
  Coverage   92.10%   92.10%           
=======================================
  Files         572      572           
  Lines       44167    44174    +7     
  Branches     3922     3924    +2     
=======================================
+ Hits        40678    40685    +7     
  Misses       3489     3489           

Flag	Coverage Δ
app	92.10% <100.00%> (+<0.01%)	⬆️
server	97.70% <ø> (ø)

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