docs: add .github/PULL_REQUEST_TEMPLATE.md (closes PARITY doc gap)

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,27 @@
+## Summary
+
+<!-- Brief description of what this PR does -->
+
+## Related Pinpoints / Issues
+
+<!-- Link to ROADMAP.md pinpoints or GitHub issues, e.g., #283, #285 -->
+
+## Changes
+
+<!-- List key changes -->
+- 
+
+## Testing
+
+<!-- How was this tested? -->
+- [ ] `cargo test` passes
+- [ ] `cargo fmt --check` passes
+- [ ] Manual verification (describe)
+
+## Checklist
+
+- [ ] Code follows project conventions
+- [ ] ROADMAP.md updated (if filing/closing pinpoints)
+- [ ] CHANGELOG.md updated (if user-facing change)
+- [ ] Documentation updated (if applicable)
+- [ ] No regressions in existing tests

PARITY.md

@@ -211,7 +211,7 @@ Repo documentation suite shipped during extended dogfood audit. Status: present/
 | Document | Status | Priority | Notes |
 |----------|--------|----------|-------|
 | CODE_OF_CONDUCT.md | ❌ Missing | Low | Standard for public repos |
-| .github/PULL_REQUEST_TEMPLATE.md | ❌ Missing | Medium | Would standardize PR descriptions |
+| .github/PULL_REQUEST_TEMPLATE.md | ✅ Present | Medium | Standardizes PR descriptions |
 | docs/CONFIGURATION.md | ✅ Present | High | env vars, settings.json, provider config — relates to #283, #285 |
 | docs/API_REFERENCE.md | ❌ Missing | Medium | JSON envelope schema, output format contract |
 | .github/ISSUE_TEMPLATE/bug_report.md | ❌ Missing | Low | Standard bug template (pinpoint.md covers discovery) |