{
  "portaShape": {
    "formatVersion": "0.1",
    "kind": "mvp-example",
    "id": "example.blog-metadata-to-social-preview",
    "name": "Blog metadata to social preview",
    "mvpStatus": "complete",
    "summary": "MVP playground fixture for transforming blog.article_meta into social.preview_card.",
    "sourceShape": {
      "id": "blog.article_meta",
      "sampleId": "blog.article_meta.sample",
      "variables": [
        {
          "id": "title",
          "label": "Title",
          "value": "sample title",
          "authority": "source-snapshot"
        },
        {
          "id": "excerpt",
          "label": "Excerpt",
          "value": "sample excerpt",
          "authority": "source-snapshot"
        },
        {
          "id": "author",
          "label": "Author",
          "value": "sample author",
          "authority": "source-snapshot"
        },
        {
          "id": "image",
          "label": "Image",
          "value": "sample image",
          "authority": "source-snapshot"
        },
        {
          "id": "date",
          "label": "Date",
          "value": "sample date",
          "authority": "source-snapshot"
        },
        {
          "id": "url",
          "label": "Url",
          "value": "sample url",
          "authority": "source-snapshot"
        }
      ]
    },
    "destinationShape": {
      "id": "social.preview_card",
      "sampleId": "social.preview_card.template",
      "variables": [
        {
          "id": "og_title",
          "label": "Og Title",
          "proposedValue": "proposed og title",
          "authority": "proposed-output"
        },
        {
          "id": "og_description",
          "label": "Og Description",
          "proposedValue": "proposed og description",
          "authority": "proposed-output"
        },
        {
          "id": "og_image",
          "label": "Og Image",
          "proposedValue": "proposed og image",
          "authority": "proposed-output"
        },
        {
          "id": "og_url",
          "label": "Og Url",
          "proposedValue": "proposed og url",
          "authority": "proposed-output"
        },
        {
          "id": "byline",
          "label": "Byline",
          "proposedValue": "proposed byline",
          "authority": "proposed-output"
        }
      ]
    },
    "controls": [
      {
        "id": "control-blog-metadata-to-social-preview-primary",
        "label": "Review primary mapping",
        "type": "mapping-inspector",
        "edits": [
          "mapping.sources",
          "mapping.operation",
          "destination.proposedValue"
        ]
      },
      {
        "id": "control-blog-metadata-to-social-preview-save",
        "label": "Save as new shape",
        "type": "action",
        "writes": "artifact-library"
      }
    ],
    "mappings": [
      {
        "id": "map-blog-metadata-to-social-preview-og-title",
        "sources": [
          "title"
        ],
        "destination": "og_title",
        "operation": "translate",
        "editable": true,
        "confidence": 0.86
      },
      {
        "id": "map-blog-metadata-to-social-preview-og-description",
        "sources": [
          "excerpt"
        ],
        "destination": "og_description",
        "operation": "translate",
        "editable": false,
        "confidence": 0.78
      },
      {
        "id": "map-blog-metadata-to-social-preview-og-image",
        "sources": [
          "author"
        ],
        "destination": "og_image",
        "operation": "translate",
        "editable": false,
        "confidence": 0.78
      },
      {
        "id": "map-blog-metadata-to-social-preview-og-url",
        "sources": [
          "image"
        ],
        "destination": "og_url",
        "operation": "translate",
        "editable": false,
        "confidence": 0.78
      },
      {
        "id": "map-blog-metadata-to-social-preview-byline",
        "sources": [
          "date"
        ],
        "destination": "byline",
        "operation": "translate",
        "editable": false,
        "confidence": 0.78
      }
    ],
    "preview": {
      "source": {
        "title": "sample title",
        "excerpt": "sample excerpt",
        "author": "sample author",
        "image": "sample image",
        "date": "sample date",
        "url": "sample url"
      },
      "proposed": {
        "og_title": "proposed og_title",
        "og_description": "proposed og_description",
        "og_image": "proposed og_image",
        "og_url": "proposed og_url",
        "byline": "proposed byline"
      },
      "destination": "social.preview_card"
    },
    "workflow": {
      "steps": [
        "import-source-shape",
        "inspect-variables",
        "map-values",
        "preview-transform",
        "validate-result",
        "save-as-new-shape",
        "export-posh-artifact"
      ]
    },
    "policy": {
      "requiresApproval": false,
      "checks": [
        "schema-valid",
        "authority-declared",
        "loss-reviewed",
        "provenance-recorded"
      ]
    },
    "snapshot": {
      "capturedAt": "2026-07-20T00:00:00Z",
      "sourceShape": "blog.article_meta",
      "destinationShape": "social.preview_card"
    },
    "runEvidence": {
      "status": "sample-passed",
      "assertions": [
        "all-required-destination-values-populated",
        "mapping-confidence-recorded",
        "export-contains-workflow-policy-snapshot-and-evidence"
      ]
    }
  }
}