summarize function signatures (#387)

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### Summary by OpenAI

**Refactor:**
- Updated function signatures, control structures, and variable
assignments in `src/prompts.ts` for improved logic and functionality.

> 🎉 Here's to the code that we tweak and refine,  
> To make it more efficient, truly divine.  
> With each refactor, we're making it shine,  
> In the realm of code, a fine vintage wine. 🍷🥳
<!-- end of auto-generated comment: release notes by openai -->

Author: harjotgill

dist/index.js

@@ -22,7 +22,9 @@ $file_diff
 
 ## Instructions
 
-I would like you to summarize the diff within 50 words.
+I would like you to summarize the diff within 100 words by noting the
+changes made to the function signatures, control structures, and
+variable assignments.
 `
   triageFileDiff = `Below the summary, I would also like you to triage the diff as \`NEEDS_REVIEW\` or 
 \`APPROVED\` based on the following criteria: