Add pull request template with quality check reminders

.github/pull_request_template.md

@@ -0,0 +1,63 @@
+# Pull Request
+
+## Description
+
+<!-- Provide a clear and concise description of your changes -->
+
+## Type of Change
+
+<!-- Mark the relevant option with an 'x' -->
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Code quality improvement
+
+## Related Issues
+
+<!-- Link to related issues using #issue_number -->
+
+Closes #
+
+## Pre-Submission Checklist
+
+Before submitting this pull request, ensure you have completed the following:
+
+### Build and Test
+
+- [ ] Code builds successfully: `dotnet build --configuration Release`
+- [ ] All tests pass: `dotnet test --configuration Release`
+- [ ] Code produces zero warnings
+
+### Code Quality
+
+- [ ] Code formatting is correct: `dotnet format --verify-no-changes`
+- [ ] New code has appropriate XML documentation comments
+- [ ] Static analyzer warnings have been addressed
+
+### Quality Checks
+
+Please run the following checks before submitting:
+
+- [ ] **Spell checker passes**: `cspell "**/*.{md,cs}"`
+- [ ] **Markdown linter passes**: `markdownlint "**/*.md"`
+- [ ] **YAML linter passes**: `yamllint '**/*.{yml,yaml}'`
+
+### Testing
+
+- [ ] Added unit tests for new functionality
+- [ ] Updated existing tests if behavior changed
+- [ ] All tests follow the AAA (Arrange, Act, Assert) pattern
+- [ ] Test coverage is maintained or improved
+
+### Documentation
+
+- [ ] Updated README.md (if applicable)
+- [ ] Updated ARCHITECTURE.md (if applicable)
+- [ ] Added code examples for new features (if applicable)
+- [ ] Updated requirements.yaml (if applicable)
+
+## Additional Notes
+
+<!-- Add any additional context, screenshots, or information that reviewers should know -->

CONTRIBUTING.md

@@ -118,6 +118,9 @@ cspell "**/*.{md,cs}"
 
 # (Optional) Run markdown linter if you modified markdown files
 markdownlint "**/*.md"
+
+# (Optional) Run YAML linter if you modified YAML files
+yamllint '**/*.{yml,yaml}'
 ```
 
 All builds must complete with zero warnings, and all tests must pass.