feat: support ai inline chat

[Ricbet]

Types

• 🎉 New Features

Background or solution

• 支持 inline chat 功能
• 支持通过 contribution api
• 新增是否默认显示 inline chat 的配置项（默认开启）
• 支持快捷键触发（cmd + i）

Changelog

[railway-app]

This PR is being deployed to Railway 🚅

core: ◻️ REMOVED

[codecov]

Codecov Report

Attention: Patch coverage is 5.26316% with 108 lines in your changes are missing coverage. Please review.

Project coverage is 58.09%. Comparing base (146a76c) to head (93087b7).

Files	Patch %	Lines
...widget/inline-chat/inline-chat.feature.registry.ts	0.00%	24 Missing and 1 partial ⚠️
.../browser/widget/inline-chat/inline-chat.service.ts	0.00%	25 Missing ⚠️
packages/ai-native/src/browser/types.ts	0.00%	15 Missing ⚠️
...ackages/ai-native/src/browser/ai-native.service.ts	0.00%	11 Missing ⚠️
packages/ai-native/src/browser/index.ts	0.00%	10 Missing ⚠️
...browser/contextkey/ai-native.contextkey.service.ts	0.00%	8 Missing ⚠️
...ges/core-browser/src/components/ai-native/index.ts	0.00%	6 Missing ⚠️
packages/core-browser/src/contextkey/ai-native.ts	0.00%	3 Missing ⚠️
packages/ai-native/src/common/index.ts	0.00%	2 Missing ⚠️
...kages/core-node/src/ai-native/base-back.service.ts	0.00%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3378      +/-   ##
==========================================
- Coverage   58.16%   58.09%   -0.07%     
==========================================
  Files        1403     1413      +10     
  Lines       86640    86752     +112     
  Branches    17903    17908       +5     
==========================================
+ Hits        50391    50398       +7     
- Misses      32966    33070     +104     
- Partials     3283     3284       +1     

Flag	Coverage Δ
jsdom	52.95% <5.26%> (-0.07%)	⬇️
node	17.83% <5.26%> (-0.02%)	⬇️

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[erha19]

LGTM