Continue Blender Web parity task handoff

docs/status/M16-GAP-00243.md

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+# M16-GAP-00243 Status
+
+status: done
+task: armature.flip_names operator LOCAL_EXACT slice
+updated: 2026-08-22 America/New_York
+
+scope:
+
+- The minimal fixture contains two selected left/right bones and one independent unselected bone. Blender desktop runs `ARMATURE_OT_flip_names` with `do_strip_numbers=false`, swaps the selected bones' names by geometry, and preserves the independent bone.
+- Main reads the saved post-operation names, selection state, and geometry 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-00244`