✨ feat: reactor llm to model provider

[arvinxx]

💻 变更类型 | Change Type

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

🔀 变更说明 | Description of Change

📝 补充信息 | Additional Information

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lobe-chat-database	❌ Failed (Inspect)			Dec 25, 2024 5:05pm
lobe-chat-preview	❌ Failed (Inspect)			Dec 25, 2024 5:05pm

[lobehubbot]

👍 @arvinxx

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.66%. Comparing base (5c5b37d) to head (4df5b34).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5158      +/-   ##
==========================================
+ Coverage   92.28%   97.66%   +5.37%     
==========================================
  Files         569       12     -557     
  Lines       43346     2906   -40440     
  Branches     4000      307    -3693     
==========================================
- Hits        40004     2838   -37166     
+ Misses       3342       68    -3274     

Flag	Coverage Δ
app	?
server	97.66% <ø> (ø)

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