feat: support slash command provider render api

[Ricbet]

Types

• 🎉 New Features

Background or solution

• 重构部分代码
• 新增 slash command 的 provider render api

优先级高于 registerChatRender api

Changelog

[railway-app]

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[Ricbet]

/next

[opensumi]

🎉 PR Next publish successful!

2.27.3-next-1712736380.0

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 29 lines in your changes are missing coverage. Please review.

Project coverage is 56.57%. Comparing base (0babbe6) to head (d09f93f).

Files	Patch %	Lines
packages/ai-native/src/browser/components/utils.ts	0.00%	23 Missing ⚠️
...ackages/ai-native/src/browser/chat/chat.service.ts	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3523      +/-   ##
==========================================
- Coverage   56.58%   56.57%   -0.01%     
==========================================
  Files        1462     1463       +1     
  Lines       89939    89961      +22     
  Branches    18510    18513       +3     
==========================================
+ Hits        50892    50897       +5     
- Misses      39024    39041      +17     
  Partials       23       23              

Flag	Coverage Δ
jsdom	51.87% <0.00%> (-0.02%)	⬇️
node	15.81% <0.00%> (+<0.01%)	⬆️

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