Preview campaign source

Persist the exact campaign-bound sourcing preview before pilot rows are written. Accepts at most 10 rows plus the claimed work order, active brief version, provider, resolved filters, and verified result ceiling. Returns an immutable sourcingPreviewId required by the pilot add-table-rows call.

pipeline preview-campaign-source \
  --claim-token "example" \
  --work-order-id "00000000-0000-4000-8000-000000000000" \
  --brief-id "00000000-0000-4000-8000-000000000000" \
  --brief-version 1 \
  --source-scope "example" \
  --provider "example" \
  --resolved-filters-json '{}' \
  --rows-json '[{"data":{}}]'

{
  "type": "object",
  "properties": {
    "sourcingPreviewId": {
      "type": "string",
      "format": "uuid"
    },
    "preview": {
      "type": "object"
    },
    "verifiedCeiling": {
      "type": "number"
    }
  },
  "required": [
    "sourcingPreviewId",
    "preview",
    "verifiedCeiling"
  ]
}