fix: llamafile supports tools

[njbrake]

Description

PR Type

• 🆕 New Feature
• 🐛 Bug Fix
• 💅 Refactor
• 📚 Documentation
• 🚦 Infrastructure

Relevant issues

Checklist

• I understand the code I am submitting.
• I have added unit tests that prove my fix/feature works
• I have run this code locally and verified it fixes the issue.
• New and existing tests pass locally
• Documentation was updated where necessary
• I have read and followed the contribution guidelines
• AI Usage:
  • No AI was used.
  • AI was used for drafting/refactoring.
  • This is fully AI-generated.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
src/any_llm/providers/llamafile/llamafile.py	88.88% <ø> (-0.86%)	⬇️

... and 44 files with indirect coverage changes

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[njbrake]

Integration tests https://github.com/mozilla-ai/any-llm/actions/runs/22308448208/job/64533733265 ✅