# M16-GAP-00249 Status status: done task: armature.roll_clear operator LOCAL_EXACT slice updated: 2026-08-23 America/New_York scope: - The minimal fixture contains one selected visible edit bone with an initial roll of pi/4. Blender desktop runs `ARMATURE_OT_roll_clear(roll=0)`, clearing only the selected bone's roll while preserving its geometry, selection, and visibility. - Main exposes the resulting identity rest matrix from the same fixture. The comparator confirms desktop/WASM parity and save/reopen stability without expanding other data-blocks, editors, or browsers. evidence: - Fixture generation, desktop checker, npm comparator, direct comparator, malformed-input negative, save/reopen check, and task-context handoff passed. - Repeated checker execution is idempotent (`SKIPPED_ALREADY_APPLIED` after the first run); Chromium-only policy was preserved and no Firefox/WebKit run was made. nextTask: `M16-GAP-00250`