{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docforge.local/schema/projection-package-v1.json",
  "title": "DocForge immutable renderer projection package",
  "$comment": "package_id and embedded plan identity equality are verified by the runtime contract validator.",
  "$defs": {
    "sha256": {
      "type": "string",
      "pattern": "^[0-9a-f]{64}$"
    },
    "manual_plan": {
      "type": "object",
      "required": [
        "schema_version",
        "contract",
        "plan_id",
        "project",
        "view",
        "changeset_hash",
        "pages",
        "navigation",
        "search_documents",
        "diagnostics"
      ],
      "properties": {
        "schema_version": { "const": 1 },
        "contract": { "const": "docforge.manual-render-plan" },
        "plan_id": { "$ref": "#/$defs/sha256" },
        "project": { "type": "object" },
        "view": { "type": "object" },
        "changeset_hash": {
          "oneOf": [
            { "$ref": "#/$defs/sha256" },
            { "type": "null" }
          ]
        },
        "pages": { "type": "array", "maxItems": 10000 },
        "navigation": { "type": "array", "maxItems": 10000 },
        "search_documents": { "type": "array", "maxItems": 10000 },
        "diagnostics": { "type": "object" }
      },
      "additionalProperties": false
    },
    "graph_plan": {
      "type": "object",
      "required": [
        "schema_version",
        "contract",
        "plan_id",
        "project",
        "view",
        "bounds",
        "policy",
        "graph",
        "omissions",
        "diagnostics"
      ],
      "properties": {
        "schema_version": { "const": 1 },
        "contract": { "const": "docforge.graph-view-plan" },
        "plan_id": { "$ref": "#/$defs/sha256" },
        "project": { "type": "object" },
        "view": { "type": "object" },
        "bounds": { "type": "object" },
        "policy": { "type": "object" },
        "graph": { "type": "object" },
        "omissions": { "type": "array", "maxItems": 10000 },
        "diagnostics": { "type": "object" }
      },
      "additionalProperties": false
    },
    "renderer": {
      "type": "object",
      "required": ["renderer_id", "renderer_version"],
      "properties": {
        "renderer_id": { "type": "string", "minLength": 1 },
        "renderer_version": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    },
    "component": {
      "type": "object",
      "required": ["component_id"],
      "properties": {
        "component_id": { "type": "string", "minLength": 1 }
      },
      "additionalProperties": false
    },
    "asset": {
      "type": "object",
      "required": ["asset_id", "media_type", "sha256", "text"],
      "properties": {
        "asset_id": {
          "type": "string",
          "minLength": 1,
          "pattern": "^[^/]+$"
        },
        "media_type": { "type": "string", "minLength": 1 },
        "sha256": { "$ref": "#/$defs/sha256" },
        "text": { "type": "string" }
      },
      "additionalProperties": false
    }
  },
  "type": "object",
  "required": [
    "schema_version",
    "contract",
    "package_id",
    "kind",
    "plan_id",
    "plan",
    "renderer",
    "components",
    "assets",
    "output_policy"
  ],
  "properties": {
    "schema_version": { "const": 1 },
    "contract": { "const": "docforge.projection-package" },
    "package_id": { "$ref": "#/$defs/sha256" },
    "kind": { "enum": ["manual", "graph"] },
    "plan_id": { "$ref": "#/$defs/sha256" },
    "plan": {
      "oneOf": [
        { "$ref": "#/$defs/manual_plan" },
        { "$ref": "#/$defs/graph_plan" }
      ]
    },
    "renderer": { "$ref": "#/$defs/renderer" },
    "components": {
      "type": "array",
      "maxItems": 32,
      "items": { "$ref": "#/$defs/component" },
      "uniqueItems": true
    },
    "assets": {
      "type": "array",
      "maxItems": 32,
      "items": { "$ref": "#/$defs/asset" }
    },
    "output_policy": {
      "type": "object",
      "required": ["artifact_ids", "max_total_bytes"],
      "properties": {
        "artifact_ids": {
          "type": "array",
          "minItems": 1,
          "maxItems": 32,
          "items": {
            "type": "string",
            "minLength": 1,
            "pattern": "^[^/]+$"
          },
          "uniqueItems": true
        },
        "max_total_bytes": {
          "type": "integer",
          "minimum": 1
        }
      },
      "additionalProperties": false
    }
  },
  "allOf": [
    {
      "if": {
        "properties": { "kind": { "const": "manual" } },
        "required": ["kind"]
      },
      "then": {
        "properties": {
          "plan": { "$ref": "#/$defs/manual_plan" }
        }
      }
    },
    {
      "if": {
        "properties": { "kind": { "const": "graph" } },
        "required": ["kind"]
      },
      "then": {
        "properties": {
          "plan": { "$ref": "#/$defs/graph_plan" }
        }
      }
    }
  ],
  "additionalProperties": false
}