Relax deepseek-r1 detection so it also includes distilled models

[Szpadel]

Description

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist:

• My code follows the patterns of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Additional context

Related Issues

Reviewers

---

Important

Relaxes model ID detection for deepseek-r1 in OpenRouterHandler by using startsWith instead of exact match.

• Behavior:
  • In OpenRouterHandler class, relaxes model ID detection for deepseek-r1 by removing the exact match check and only using startsWith.
• Misc:
  • Simplifies condition in openrouter.ts for model ID detection.

^{This description was created by for 161a6a5. It will automatically update as commits are pushed.}

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Latest commit: 161a6a5

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