chore: sync myagent-kit subtree

.github/pull_request_template.md

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+## Requirement Traceability
+
+- Requirement ID: REQ-XXX
+- Requirement Link: docs/SRS/<Type>/REQ-XXX_<slug>.md
+- Related Issue: #
+
+## Acceptance Criteria Coverage
+- [ ] AC1: <how this PR satisfies it>
+- [ ] AC2: <how this PR satisfies it>
+
+## Test Evidence
+- Automated:
+  - <test command and result summary>
+- Manual:
+  - <verification steps and result>
+  - If not required: `No manual verification required.`
+
+## Impacted Area Check
+- Docs:
+- Modules:
+- Tests:
+
+## Release Notes Input
+- [ ] Added REQ ID to release notes (or tracked release note draft)