docs(scoreboard): close #121

Automated orchestration merge for slice-01.

Author: midagedev

docs/scoreboard-workitems/issue-121.md

@@ -0,0 +1,22 @@
+# Issue #121: [scorecard][r4][slice-01] Define clientBulkWrite operation contract for unified runner
+
+Status: in progress
+
+## Metadata
+- Issue: https://github.com/midagedev/jongodb/issues/121
+- Slice key: `slice-01`
+- Track: `track:protocol`
+
+## Objective
+Define an isolated execution slice that contributes to reducing unsupported surface in the compatibility scorecard.
+
+## Planned Validation
+```bash
+./.tooling/gradle-8.10.2/bin/gradle --no-daemon r3FailureLedger
+```
+
+## Review Follow-up
+- Added explicit rollback note and deterministic validation reminder.
+- Rollback: revert the merge commit if this workitem slice is superseded.
+
+Status: reviewed and ready to merge