workinf_Blender_Wasm/docs/status/M16-GAP-00200.md

M16-GAP-00200 Status

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

scope:

• The minimal fixture starts with a 2..6 scene preview range. Desktop runs ANIM_OT_previewrange_clear in the active Dope Sheet animation context and saves the cleared Main.
• WASM/Main observes the same scene with no previewRange field and an unchanged frame range; no reader, protocol, or browser change was required.

evidence:

• Desktop evidence records poll=true, FINISHED, PREVIEW_RANGE_CLEARED, the cleared values, and exact save/reopen. Repeated checker runs preserve the fixture hash.
• WASM/Main compares the cleared scene, preserves it across save/reopen, and rejects malformed Blend input without Main mutation.
• Fixture generation, desktop checker, npm comparator, direct comparator, and task-context checks passed. Chromium-only policy was preserved; no Firefox/WebKit run was made.

nextTask: M16-GAP-00201