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{
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  "human_review_status": "human_verified",
  "license": "BSD-3-Clause",
  "metadata": {
    "branch_types": [
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      "transformation_planning",
      "transactional_execution",
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  "task": "Add first_name TEXT and last_name TEXT to customer, appending them in that order as nullable columns without defaults. Backfill the supplied customers by splitting full_name at the first ASCII space: first_name is the prefix and last_name is the remainder, without trimming or changing any characters. If a name has no space, use the full name as first_name and an empty last_name. Preserve every original ID and full_name value exactly, retaining the original column for a future reversal. Preserve the original primary key and full_name NOT NULL constraint; do not add unrelated schema objects or constraints."
}