feat: support contextWindow & maxToken setting, use lruCache to store sessions

[ensorrow]

Types

• 🎉 New Features

Background or solution

feat: support contextWindow & maxToken setting, use lruCache to store sessions
默认值使用代码内维护的映射

Changelog

feat: support contextWindow & maxToken setting, use lruCache to store sessions

[codecov]

Codecov Report

Attention: Patch coverage is 21.42857% with 33 lines in your changes missing coverage. Please review.

Project coverage is 53.26%. Comparing base (1c650c5) to head (0d7199a).
Report is 1 commits behind head on v3.8.

Files with missing lines	Patch %	Lines
...ai-native/src/browser/chat/chat-manager.service.ts	9.09%	19 Missing and 1 partial ⚠️
packages/ai-native/src/browser/chat/chat-model.ts	26.66%	9 Missing and 2 partials ⚠️
...s/ai-native/src/browser/chat/chat-proxy.service.ts	0.00%	1 Missing ⚠️
...ai-native/src/browser/model/msg-history-manager.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             v3.8    #4460      +/-   ##
==========================================
- Coverage   53.26%   53.26%   -0.01%     
==========================================
  Files        1661     1661              
  Lines      102543   102562      +19     
  Branches    22339    22193     -146     
==========================================
+ Hits        54624    54627       +3     
- Misses      39869    39883      +14     
- Partials     8050     8052       +2     

Flag	Coverage Δ
jsdom	48.75% <21.42%> (-0.01%)	⬇️
node	12.20% <4.87%> (-0.01%)	⬇️

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[hacke2]

LGTM