improve description

[ravilushqa]

Summary

This pull request includes changes made to multiple files in the codebase. The changes include improvements to the description and review prompts, as well as updates to the OpenAI API and various code files.

Changes

• cmd/description/main.go
  • Removed printing of "completion" variable when "Test" option is enabled.
• description/description.go
  • Added print statements to show completion generated by OpenAI API for each file and overall completion.
  • Modified prompt message to include system message before user message and truncate patch if it exceeds a certain length.
• openai/openai.go
  • Added error check for context cancellation in ChatCompletion function.
• openai/prompts/describe_changes
  • Replaced placeholder text with instructions for Senior Developer to describe code patch without providing explanations.
• openai/prompts/describe_overall
  • Updated to include changes made to multiple files in the codebase.
• openai/prompts/review
  • Changed initial instructions to instructions for Senior Developer to review code and provide JSON response indicating code's quality and any issues found.
• review/review.go
  • Changed role of chat message from "User" to "System" in GenerateCommentsFromDiff function.

Impact

These changes will improve the functionality and usability of the codebase, as well as provide better error handling and more detailed prompts for Senior Developers. The addition of error checking in the OpenAI API will prevent errors and improve the user experience. The changes to the description and review prompts will make it easier for Senior Developers to provide feedback and improve the quality of the codebase.