# M16-GAP-00217 Status

status: done
task: armature.autoside_names operator LOCAL_EXACT slice
updated: 2026-08-22 America/New_York

scope:

- The minimal fixture contains one armature with two selected bones on opposite sides of the X axis.
- Desktop runs `ARMATURE_OT_autoside_names(type='XAXIS')` with `poll=true` and `FINISHED`, naming the positive-X bone `.L` and the negative-X bone `.R`, then preserves both names through save/reopen.
- The existing Main reader exposes the same armature bone names; no new reader field, data-block, editor, or browser behavior was added.

evidence:

- The generator, desktop checker, npm comparator, direct comparator, and task-context checks passed. Repeated checker runs recognize the persisted names and remain idempotent.
- WASM/Main observes the same `.L`/`.R` names for the same fixture, preserves them across save/reopen, and rejects malformed Blend input without Main mutation.
- Chromium-only policy was preserved; no Firefox/WebKit run was made.

nextTask: `M16-GAP-00218`