ci: Add markdown template for PRs

.github/pull_request_template.md

@@ -0,0 +1,49 @@
+## What Changed?
+
+<!-- Provide a clear summary of your changes. What did you add, remove, or modify? -->
+
+## Why?
+
+<!-- Explain why these changes were needed. What problem does this solve? Link any related issues. -->
+
+Closes #(issue number)
+
+## Type of Change
+
+<!-- Check the box that applies by putting an 'x' inside the brackets: [x]. Delete the other unselected options. -->
+
+- [ ] 🐛 Bug fix (fixes an issue without breaking existing functionality)
+- [ ] ✨ New feature (adds new functionality without breaking existing features)
+- [ ] 💥 Breaking change (existing functionality will be affected)
+- [ ] 📝 Documentation update
+- [ ] 🔧 Maintenance (refactoring, dependencies, configuration)
+
+## How Did You Test This?
+
+<!-- Describe what you did to verify your changes work correctly. This helps reviewers understand how to test your PR. -->
+
+**What I tested:**
+
+- [ ]
+- [ ]
+
+**How to test it:**
+
+<!-- Optional: Add steps for reviewers to reproduce your testing -->
+
+1.
+2.
+
+## Review Checklist
+
+<!-- Quick self-check before submitting. You don't need to check every box, but consider each item. -->
+
+- [ ] My code follows the project's style and conventions
+- [ ] I've reviewed my own code for obvious issues
+- [ ] I've added comments where the code might be confusing
+- [ ] I've updated relevant documentation (if needed)
+- [ ] I've tested my changes and they work as expected
+
+## Screenshots / Additional Context
+
+<!-- Optional: Add screenshots, logs, or any other helpful information for reviewers -->

.github/workflows/pr-template-check.yml

@@ -0,0 +1,75 @@
+name: PR Template Check
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize]
+
+jobs:
+  check-pr-description:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Check if PR description is filled out
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            const prBody = context.payload.pull_request.body || '';
+
+            // Read the template file
+            const templatePath = '.github/pull_request_template.md';
+            let template = '';
+            try {
+              template = fs.readFileSync(templatePath, 'utf8');
+            } catch (error) {
+              console.log('⚠️  Could not read template file, skipping template comparison');
+              return;
+            }
+
+            // Normalize whitespace for comparison
+            const normalizeText = (text) => text.replace(/\s+/g, ' ').trim();
+            const normalizedPrBody = normalizeText(prBody);
+            const normalizedTemplate = normalizeText(template);
+
+            // Check if PR body is identical to template
+            if (normalizedPrBody === normalizedTemplate) {
+              core.setFailed('❌ PR description is identical to the template. Please fill out the template with information about your changes.');
+              return;
+            }
+
+            // Check if PR body is empty or only contains whitespace
+            if (prBody.trim().length === 0) {
+              core.setFailed('❌ PR description is empty. Please fill out the template with information about your changes.');
+              return;
+            }
+
+            // Keywords that indicate the template hasn't been filled out
+            const templateKeywords = [
+              'Provide a clear summary of your changes',
+              'What did you add, remove, or modify?',
+              'Explain why these changes were needed',
+              'Fixes #(issue number)',
+            ];
+
+            // Check if template keywords are still present (indicating it wasn't filled out)
+            const foundKeywords = templateKeywords.filter(keyword => 
+              prBody.includes(keyword)
+            );
+
+            if (foundKeywords.length >= 2) {
+              core.setFailed(
+                `❌ PR template appears to be unfilled. Please replace the template text with your actual changes.\n\n` +
+                `Found unchanged template text:\n${foundKeywords.map(k => `  - "${k}"`).join('\n')}`
+              );
+              return;
+            }
+
+            // Check if "Fixes #(issue number)" is still present unchanged
+            if (prBody.includes('Fixes #(issue number)')) {
+              core.setFailed('❌ Please update "Fixes #(issue number)" with an actual issue number or remove it if not applicable.');
+              return;
+            }
+
+            console.log('✅ PR description appears to be properly filled out!');