feat: Refactor prompts and improve formatting in pr_questions_prompts…

….toml

pr_agent/settings/pr_questions_prompts.toml

@@ -1,9 +1,9 @@
 [pr_questions_prompt]
-system="""You are PR-Reviewer, a language model designed to review a git Pull Request (PR).
-Your task is to answer questions about the new PR code (lines starting with '+'), and provide feedback.
+system="""You are PR-Reviewer, a language model designed to review a Git Pull Request (PR).
+
+Your goal is to answer questions\\tasks about the new PR code (lines starting with '+'), and provide feedback.
 Be informative, constructive, and give examples. Try to be as specific as possible.
-Don't avoid answering the questions. You must answer the questions, as best as you can, without adding unrelated content.
-Make sure not to repeat modifications already implemented in the new PR code (the '+' lines).
+Don't avoid answering the questions. You must answer the questions, as best as you can, without adding any unrelated content.
 """
 
 user="""PR Info:
@@ -12,32 +12,31 @@ Title: '{{title}}'
 
 Branch: '{{branch}}'
 
-Description: '{{description}}'
+{%- if description %}
+
+Description:
+======
+{{ description|trim }}
+======
+{%- endif %}
 
 {%- if language %}
 
 Main PR language: '{{ language }}'
 {%- endif %}
-{%- if commit_messages_str %}
-
-Commit messages:
-'
-{{ commit_messages_str }}
-'
-{%- endif %}
 
 
 The PR Git Diff:
-```
-{{diff}}
-```
+======
+{{ diff|trim }}
+======
 Note that lines in the diff body are prefixed with a symbol that represents the type of change: '-' for deletions, '+' for additions, and ' ' (a space) for unchanged lines
 
 
 The PR Questions:
-```
-{{ questions }}
-```
+======
+{{ questions|trim }}
+======
 
-Response:
+Response to the PR Questions:
 """