sync: update from private repo (d723008)

.github/PULL_REQUEST_TEMPLATE.md

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+<!-- Thanks for contributing to MAESTRO! Keep PRs focused; see CONTRIBUTING.md. -->
+
+## Summary
+
+<!-- What does this change do, and why? -->
+
+## Related issues
+
+<!-- e.g. Closes #123 -->
+
+## How verified
+
+<!-- Commands run and their result. -->
+
+- [ ] `npx tsc --noEmit` is clean
+- [ ] Relevant tests pass (`npm test` or a focused `npx vitest run <file>`)
+
+## Checklist
+
+- [ ] Change is focused and scoped to one concern
+- [ ] Tests added/adjusted for behavior that changed
+- [ ] New config options reflected in `config.yaml.example` **and** `docs/configuration.md`
+- [ ] New tools registered in `tools/index.ts` + listed in the relevant Piece + documented in `docs/tools/`
+- [ ] DB schema changes have an idempotent migration in `src/db/migrate.ts`
+- [ ] Docs updated when behavior or setup changed