path

    invoke:
      tool: "nika:write"
      args:
        path: "${{ const.destination }}"   # SLOT: destination · same path as permits.fs.write
        content: "${{ with.think }}"       # ALWAYS pass content · a write without it writes nothing
    on_error:
      # Golden rehearsal. Under `nika test` the mock plane simulates the
      # MODEL, not effects — this write is refused (NIKA-452) so the pin
      # lane needs this recover to walk its own scaffold. `nika run` never
      # fires it on success (a recover only runs on failure). Delete this