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    "gap": "operator:anim.slot_unassign_from_constraint",
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    "statusSummary": [
      "# M16-GAP-00207 Status",
      "status: done",
      "task: anim.slot_new_for_id operator LOCAL_EXACT slice",
      "updated: 2026-08-22 America/New_York",
      "scope:",
      "- The minimal fixture assigns one Action Slot to `WebGapAnimNewSlotObject`; desktop runs `ANIM_OT_slot_new_for_id` with the animated ID context and duplicates the slot and channelbag.",
      "- The WASM/Main reader now selects the assigned `AnimData.slot_handle` channelbag and exposes `slotIdentifier` and `slotCount` on the animation snapshot. The duplicated slot remains stable across save/reopen.",
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