Add PR-Agent workflow and demo change

[3WJR2]

User description

This PR demonstrates PR-Agent's automated review capabilities. Once opened, PR-Agent will automatically analyze the changes and provide a comprehensive review.

You can interact with PR-Agent by commenting:

• /review - Get a review of the PR
• /improve - Get code improvement suggestions
• /describe - Auto-generate PR description
• /ask <question> - Ask questions about the PR

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PR Type

Enhancement, Documentation

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Description

• Add GitHub Actions workflow for automated PR-Agent reviews

• Create demo file showcasing PR-Agent capabilities

• Enable automated code analysis on PR events

• Document interactive PR-Agent commands for users

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Diagram Walkthrough

flowchart LR
  A["PR Events"] -->|"opened, synchronize, reopened"| B["PR-Agent Workflow"]
  B -->|"Analyze Changes"| C["Automated Review"]
  C -->|"Generate Report"| D["PR Comments"]
  E["DEMO.md"] -->|"Documents"| F["User Commands"]

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File Walkthrough

	Relevant files
Configuration changes	pr-agent.yml GitHub Actions workflow for automated PR reviews                  .github/workflows/pr-agent.yml Creates new GitHub Actions workflow named "PR Agent" Triggers on pull request events: opened, synchronize, reopened, ready_for_review Runs PR-Agent action using Codium-ai/pr-agent@main Passes OPENAI_KEY and GITHUB_TOKEN secrets for authentication +14/-0
Documentation	DEMO.md Documentation for PR-Agent demo and capabilities                  DEMO.md New demo file explaining PR-Agent automated review capabilities Documents expected behavior when PR is opened Lists available interactive commands: /review, /improve, /describe, /ask Describes review features including effort estimation, security concerns, and test coverage recommendations +22/-0

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[qodo-merge-for-open-source]

PR Compliance Guide 🔍

Below is a summary of compliance checks for this PR:

Security Compliance
🟢	No security concerns identified No security vulnerabilities detected by AI analysis. Human verification advised for critical code.
Ticket Compliance
⚪	🎫 No ticket provided Create ticket/issue
Codebase Duplication Compliance
⚪	Codebase context is not defined Follow the guide to enable codebase context checks.
Custom Compliance
🟢	Consistent Naming Conventions Objective: All new variables, functions, and classes must follow the project's established naming standards Status: Passed
	No Dead or Commented-Out Code Objective: Keep the codebase clean by ensuring all submitted code is active and necessary Status: Passed
	Single Responsibility for Functions Objective: Each function should have a single, well-defined responsibility Status: Passed
	When relevant, utilize early return Objective: In a code snippet containing multiple logic conditions (such as 'if-else'), prefer an early return on edge cases than deep nesting Status: Passed
⚪	Robust Error Handling Objective: Ensure potential errors and edge cases are anticipated and handled gracefully throughout the code Status: Missing Fallbacks: The workflow assumes secrets OPENAI_KEY and GITHUB_TOKEN exist without fallback or conditional checks, which may cause job failures if they are unset. Referred Code env: OPENAI_KEY: ${{ secrets.OPENAI_KEY }} GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Compliance status legend

🟢 - Fully Compliant
🟡 - Partial Compliant
🔴 - Not Compliant
⚪ - Requires Further Human Verification
🏷️ - Compliance label

[qodo-merge-for-open-source]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
Possible issue	Grant necessary permissions to the job Grant pull-requests: write and contents: read permissions to the pr_agent_job to allow the action to post comments on pull requests and analyze repository contents. .github/workflows/pr-agent.yml [7-8] runs-on: ubuntu-latest +permissions: + pull-requests: write + contents: read steps: Apply / Chat Suggestion importance[1-10]: 9 __ Why: This suggestion is critical for the workflow's functionality, as the pr-agent action will fail to post comments or read repository contents without the specified pull-requests: write and contents: read permissions.	High
General	Pin action to a specific version Pin the GitHub Action Codium-ai/pr-agent to a specific stable version tag instead of using @main to ensure workflow stability and reproducibility. .github/workflows/pr-agent.yml [10] -uses: Codium-ai/pr-agent@main +uses: Codium-ai/[email protected] # Or any other specific stable version Apply / Chat Suggestion importance[1-10]: 8 __ Why: This is a crucial security and stability best practice for GitHub Actions; using @main can introduce breaking changes unexpectedly, and pinning to a specific version ensures workflow reliability.	Medium
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• Author self-review: I have reviewed the PR code suggestions, and addressed the relevant ones.

[qodo-merge-for-open-source]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

✅ No TODO sections

🔒 Security concerns Supply-chain risk: The workflow uses Codium-ai/pr-agent@main, which can change unexpectedly. Pin to a specific version or commit SHA. Also confirm that only necessary permissions are granted (consider adding an explicit 'permissions' block with least privilege) and validate that OPENAI_KEY and GITHUB_TOKEN are correctly scoped and not echoed in logs.

⚡ Recommended focus areas for review Secret Naming Verify that the workflow uses the correct secret names; ensure OPENAI_KEY matches your repository/org secret and consider prefixing with PR_AGENT_ or using OPENAI_API_KEY if required by the action. OPENAI_KEY: ${{ secrets.OPENAI_KEY }} GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} Action Pinning The action is referenced by 'main'; pin to a specific release or commit SHA to avoid supply-chain risks and unexpected changes. uses: Codium-ai/pr-agent@main env: Shell Snippet The '$(date -u)' snippet will not render in Markdown; if dynamic content is intended, replace with static text or a generated value at build time. **Demo Change:** $(date -u)