fix: improve git commit prompt to handle staged changes better

[tusharmath]

Overview

This PR adds comprehensive debug logging to the Anthropic provider and standardizes naming conventions by renaming open_router/api.rs to provider.rs.

Purpose

These changes improve the debugging experience when troubleshooting API interactions with Anthropic and ensure consistent naming patterns across provider implementations.

Implementation

• Added strategic debug log points in the Anthropic provider to capture:
  • API connection details (URL and model information)
  • Response status reporting
  • Detailed error information with status codes and headers
• Reorganized the models() method by extracting a fetch_models() helper function
• Improved error handling with more informative debug messages
• Renamed OpenRouter's api.rs to provider.rs for naming consistency

Testing

The changes have been tested locally to ensure:

• Debug logs appear correctly when running in debug mode
• Error handling remains functional
• The provider service continues to work as expected
• Module references correctly point to the renamed file

Related Issues

No specific issues linked, but these changes address general debugging needs identified during development.

Changelog

Added

• Detailed debug logging in Anthropic provider
• New fetch_models() helper method for better error handling

Changed

• Renamed open_router/api.rs to provider.rs
• Updated module references in open_router/mod.rs
• Enhanced error handling for API responses

Suggested Reviewers

Developers familiar with the provider implementations and API integrations would be most helpful in reviewing these changes.