feat(code-tools): add 302.AI as Claude Code provider

[GeorgeDong32]

What this PR does

Before this PR:

• Claude Code (302.AI) was not available as a provider in code-tools.

After this PR:

• Adds 302.AI (Claude Code) as a new provider for code-tools.

Fixes #12251

Why we need it and why it was done in this way

• Adds support for an additional coding assistant provider to give users more options and improve integration with Claude Code.

Breaking changes

• None

Special notes for your reviewer

• None

Checklist

• PR: The PR description is expressive enough and will help future contributors
• Code: Write code that humans can understand and keep it simple
• Refactor: Left the code cleaner than you found it (Boy Scout Rule)
• Upgrade: Impact on upgrade flows was considered if required
• Documentation: User-guide update considered if required

Release note

Adds 302.AI (Claude Code) as a new provider for code-tools.

[DeJeune]

Note

This comment was translated by Claude.

Agent support can also be added.

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Original Content

agent也可以加上

[DeJeune]

Note

This comment was translated by Claude.

This should be restricted, not all models from such providers probably support the anthropic endpoint, right?

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Original Content

需要限制一下，这种供应商应该不是所有模型都支持anthropic端点吧

[GeorgeDong32]

Note

This comment was translated by Claude.

Their documentation states that full compatibility has been achieved.

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Original Content

他们文档里说全适配了