fix: remove claude-3.7-sonnet from VS Code LM blacklist

[roomote]

Summary

This PR fixes #6292 by removing claude-3.7-sonnet from the VS Code Language Model API static blacklist, allowing it to appear in the model dropdown when available.

Problem

The user reported that "copilot - claude-3.7-sonnet" was not showing up in the VS Code Language Model API provider dropdown list, even though it should be available.

Solution

The issue was caused by claude-3.7-sonnet being included in the VSCODE_LM_STATIC_BLACKLIST array in src/api/providers/vscode-lm.ts. This blacklist filters out specific models from the list returned by the VS Code Language Model API.

By removing claude-3.7-sonnet from this blacklist (while keeping claude-3.7-sonnet-thought), the model will now appear in the dropdown when it's available through the VS Code LM API.

Changes

• Removed "claude-3.7-sonnet" from the VSCODE_LM_STATIC_BLACKLIST array
• Kept "claude-3.7-sonnet-thought" in the blacklist as it appears to be a different variant that should remain filtered

Testing

• ✅ All existing VS Code LM tests pass
• ✅ Linting and type checks pass
• The model should now appear in the dropdown when available through VS Code's Language Model API

Notes

The VS Code Language Model API dynamically provides available models, so we don't need to add claude-3.7-sonnet to any static model lists - we just need to stop filtering it out.

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Important

Remove claude-3.7-sonnet from VS Code LM API blacklist to allow its availability in the model dropdown.

• Behavior:
  • Removed "claude-3.7-sonnet" from VSCODE_LM_STATIC_BLACKLIST in vscode-lm.ts, allowing it to appear in the VS Code LM API model dropdown.
  • "claude-3.7-sonnet-thought" remains in the blacklist.
• Testing:
  • All existing VS Code LM tests pass.
  • Linting and type checks pass.

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[daniel-lxs]

This model was removed from the API