{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://thinkloom.app/schemas/provenance/1.0/backup-manifest.schema.json",
  "title": "Project backup manifest",
  "description": "Complete staged-backup inventory including a verified online SQLite snapshot.",
  "type": "object",
  "properties": {
    "schema_version": {
      "const": "1.0"
    },
    "application_version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+$"
    },
    "project_id": {
      "type": "string",
      "pattern": "^project_[0-9A-HJKMNP-TV-Z]{26}$"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    },
    "source_chain_head": {
      "type": "string",
      "pattern": "^sha256:[a-f0-9]{64}$"
    },
    "sqlite_snapshot": {
      "type": "object",
      "properties": {
        "path": {
          "type": "string",
          "minLength": 1,
          "pattern": "^(?!/)(?![A-Za-z]:)(?!.*\\\\)(?!.*(?:^|/)\\.\\.?(?:/|$))[^\\u0000-\\u001f]+$"
        },
        "sha256": {
          "type": "string",
          "pattern": "^sha256:[a-f0-9]{64}$"
        },
        "size": {
          "type": "integer",
          "minimum": 1
        },
        "sqlite_version": {
          "type": "string",
          "minLength": 1
        },
        "database_schema_version": {
          "type": "integer",
          "minimum": 1
        },
        "completed_at": {
          "type": "string",
          "format": "date-time",
          "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
        }
      },
      "required": [
        "path",
        "sha256",
        "size",
        "sqlite_version",
        "database_schema_version",
        "completed_at"
      ],
      "additionalProperties": false
    },
    "files": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string",
            "minLength": 1,
            "pattern": "^(?!/)(?![A-Za-z]:)(?!.*\\\\)(?!.*(?:^|/)\\.\\.?(?:/|$))[^\\u0000-\\u001f]+$"
          },
          "sha256": {
            "type": "string",
            "pattern": "^sha256:[a-f0-9]{64}$"
          },
          "size": {
            "type": "integer",
            "minimum": 0
          }
        },
        "required": [
          "path",
          "sha256",
          "size"
        ],
        "additionalProperties": false
      },
      "minItems": 1
    },
    "protected": {
      "type": "boolean"
    },
    "recovery_key_envelope_path": {
      "anyOf": [
        {
          "type": "string",
          "minLength": 1,
          "pattern": "^(?!/)(?![A-Za-z]:)(?!.*\\\\)(?!.*(?:^|/)\\.\\.?(?:/|$))[^\\u0000-\\u001f]+$"
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "schema_version",
    "application_version",
    "project_id",
    "created_at",
    "source_chain_head",
    "sqlite_snapshot",
    "files",
    "protected",
    "recovery_key_envelope_path"
  ],
  "additionalProperties": false,
  "examples": [
    {
      "schema_version": "1.0",
      "application_version": "0.3.0",
      "project_id": "project_01J00000000000000000000001",
      "created_at": "2026-07-17T18:42:10.123Z",
      "source_chain_head": "sha256:4444444444444444444444444444444444444444444444444444444444444444",
      "sqlite_snapshot": {
        "path": "database-snapshot/state.sqlite",
        "sha256": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
        "size": 4096,
        "sqlite_version": "3.46.0",
        "database_schema_version": 1,
        "completed_at": "2026-07-17T18:42:10.123Z"
      },
      "files": [
        {
          "path": "project.json",
          "sha256": "sha256:3333333333333333333333333333333333333333333333333333333333333333",
          "size": 256
        }
      ],
      "protected": false,
      "recovery_key_envelope_path": null
    }
  ]
}