## Mechanical Root Cause

<!-- What is the fundamental, deterministic reason this bug existed or this feature was needed? (Do not describe symptoms; describe the mechanism.) -->

## Fix Applied

<!-- Describe the specific architectural change or implementation details that resolve the root cause. -->

## Out of Scope

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## Tests Added/Updated

<!-- Describe the test coverage added to mechanically verify this fix. A change is incomplete without verification logic. -->

- [ ] Added/updated automated tests covering the root-cause mechanism
- [ ] N/A (explain why verification logic is not applicable)

## Related Tickets

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Closes #
