Continue Blender Web parity task handoff

docs/status/M16-GAP-00215.md

@@ -0,0 +1,19 @@
+# M16-GAP-00215 Status
+
+status: done
+task: armature.align operator LOCAL_EXACT slice
+updated: 2026-08-22 America/New_York
+
+scope:
+
+- The minimal fixture contains one armature with two independent edit bones. The child starts at an angled axis and the parent is the active selected bone.
+- Desktop runs `ARMATURE_OT_align` with `poll=true` and `FINISHED`, aligns the child axis to the active parent, and preserves the result through save/reopen.
+- The existing Main reader exposes the same armature bone `head`/`tail` data; no other data-block, editor, or browser behavior changed.
+
+evidence:
+
+- The generator, desktop checker, npm comparator, direct comparator, and task-context checks passed. The checker is repeat-safe after a persisted aligned fixture and records the aligned child state.
+- WASM/Main observes the same parent/child coordinates, 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-00216`