refactor: simplify comment formatting in post_pr_comment by using markdown representation and adding attribution footer

Author: calebevans

src/gha_failure_analysis/output/github.py

@@ -37,46 +37,20 @@ def post_pr_comment(
         repo = g.get_repo(repository)
         pr = repo.get_pull(pr_number)
 
-        run_link = report._get_run_url()
-        comment_body = f"""## 🤖 Workflow Failure Analysis
+        # Use the same detailed format as the job summary
+        comment_body = report.to_markdown()
 
-**Workflow:** {report.workflow_name} {run_link}
-**Category:** {report.category.title()}
-
-{report.summary}
-
-### 📋 Technical Details
+        # Add footer with attribution
+        repo_url = "https://github.com/calebevans/gha-failure-analysis"
+        comment_body += f"""
 
-{report.detailed_analysis}
-"""
+---
 
-        if report.step_analyses:
-            comment_body += """
-<details>
-<summary><b>🔍 Evidence</b></summary>
+<sub>
 
-"""
-            for analysis in report.step_analyses:
-                comment_body += f"### {analysis.job_name} / {analysis.step_name}\n\n"
-                comment_body += f"**Category:** `{analysis.failure_category}`  \n"
-                comment_body += f"**Root Cause:** {analysis.root_cause}\n\n"
-                if analysis.evidence:
-                    comment_body += "**Logs:**\n\n"
-                    for item in analysis.evidence:
-                        source = item.get("source", "unknown")
-                        content = item.get("content", "").replace("`", "'")
-                        comment_body += (
-                            f"<details>\n<summary><code>{source}</code></summary>\n\n"
-                            f"```\n{content}\n```\n</details>\n\n"
-                        )
-                comment_body += "\n"
-
-            comment_body += "</details>\n"
+Generated by [gha-failure-analysis]({repo_url})
 
-        repo_url = "https://github.com/calebevans/gha-failure-analysis"
-        comment_body += f"""
----
-*Analysis powered by [gha-failure-analysis]({repo_url}) | Run: {run_link}*
+</sub>
 """
 
         # Final safety check: sanitize comment body