Restore mobile auto-merge dashboard stability and broaden regression coverage.
- share the mobile media query between viewport detection and board stabilization so landscape phones stay on the mobile path
- add an integration regression suite for toggling auto-merge across mobile, tablet, desktop, rollback, and task review surfaces
- expand dashboard and CLI tests, keep the new published changeset, and preserve related vitest coverage lists and safety comments
Files changed:
$(git diff --cached --stat)
Fusion-Task-Id: FN-5972
Fusion-Task-Lineage: f3a3bbae-21c2-451b-b24f-848cc12d0542
fa23782dbb