{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docforge.local/schema/project-v1.json",
  "title": "DocForge project descriptor",
  "type": "object",
  "required": ["schema_version", "project_id", "title", "adapter", "sources", "derived", "changesets", "graph"],
  "properties": {
    "schema_version": { "const": 1 },
    "project_id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{1,127}$" },
    "title": { "type": "string", "minLength": 1 },
    "adapter": { "type": "string", "minLength": 1 },
    "sources": {
      "type": "object",
      "required": ["content_roots", "authority_files"],
      "properties": {
        "content_roots": { "$ref": "#/$defs/pathList" },
        "authority_files": { "$ref": "#/$defs/pathList" }
      },
      "additionalProperties": false
    },
    "derived": {
      "type": "object",
      "required": ["cache_root", "index"],
      "properties": {
        "cache_root": { "$ref": "#/$defs/relativePath" },
        "index": { "$ref": "#/$defs/relativePath" }
      },
      "additionalProperties": false
    },
    "changesets": {
      "type": "object",
      "required": ["root", "writers"],
      "properties": {
        "root": { "$ref": "#/$defs/relativePath" },
        "writers": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["id", "families", "operations"],
            "properties": {
              "id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{1,127}$" },
              "families": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "type": "string", "minLength": 1 } },
              "operations": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "enum": ["create", "update", "move", "delete"] } }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "render": {
      "type": "object",
      "required": ["template_root", "preview_root", "views"],
      "properties": {
        "template_root": { "$ref": "#/$defs/relativePath" },
        "preview_root": { "$ref": "#/$defs/relativePath" },
        "views": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "object",
            "required": ["id", "renderer", "template", "output", "title", "families"],
            "properties": {
              "id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{1,127}$" },
              "renderer": { "const": "generic_html" },
              "template": { "$ref": "#/$defs/relativePath" },
              "output": { "allOf": [{ "$ref": "#/$defs/relativePath" }, { "pattern": "\\.html$" }] },
              "title": { "type": "string", "minLength": 1 },
              "families": { "type": "array", "uniqueItems": true, "items": { "type": "string", "minLength": 1 } }
            },
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "graph_render": {
      "type": "object",
      "required": ["output_root", "views"],
      "properties": {
        "output_root": { "$ref": "#/$defs/relativePath" },
        "views": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "object",
            "required": ["id", "renderer", "output", "title"],
            "properties": {
              "id": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{1,127}$" },
              "renderer": { "const": "portable_graph_html" },
              "output": {
                "allOf": [
                  { "$ref": "#/$defs/relativePath" },
                  { "pattern": "\\.html$" }
                ]
              },
              "title": { "type": "string", "minLength": 1, "maxLength": 1024 },
              "root": { "type": "string", "minLength": 1, "maxLength": 1024 },
              "query": { "type": "string", "minLength": 1, "maxLength": 10000 },
              "initial_mode": { "enum": ["nodes", "flow", "web"] },
              "depth": { "type": "integer", "minimum": 1, "maximum": 32 },
              "max_nodes": { "type": "integer", "minimum": 1, "maximum": 1000 },
              "max_edges": { "type": "integer", "minimum": 0, "maximum": 4000 },
              "max_work": { "type": "integer", "minimum": 1, "maximum": 1000000 },
              "families": {
                "type": "array",
                "maxItems": 64,
                "uniqueItems": true,
                "items": { "type": "string", "minLength": 1, "maxLength": 1024 }
              },
              "relations": {
                "type": "array",
                "maxItems": 64,
                "uniqueItems": true,
                "items": { "type": "string", "minLength": 1, "maxLength": 1024 }
              },
              "authorities": {
                "type": "array",
                "maxItems": 64,
                "uniqueItems": true,
                "items": { "type": "string", "minLength": 1, "maxLength": 1024 }
              },
              "statuses": {
                "type": "array",
                "maxItems": 64,
                "uniqueItems": true,
                "items": { "type": "string", "minLength": 1, "maxLength": 1024 }
              },
              "tags": {
                "type": "array",
                "maxItems": 64,
                "uniqueItems": true,
                "items": { "type": "string", "minLength": 1, "maxLength": 1024 }
              },
              "include_logic": { "const": false }
            },
            "oneOf": [
              {
                "required": ["root"],
                "not": { "required": ["query"] }
              },
              {
                "required": ["query"],
                "not": { "required": ["root"] }
              }
            ],
            "additionalProperties": false
          }
        }
      },
      "additionalProperties": false
    },
    "graph": {
      "type": "object",
      "required": ["allowed_relations"],
      "properties": {
        "allowed_relations": { "type": "array", "minItems": 1, "uniqueItems": true, "items": { "type": "string", "pattern": "^[a-z0-9][a-z0-9._-]{1,127}$" } }
      },
      "additionalProperties": false
    },
    "limits": {
      "type": "object",
      "properties": {
        "max_source_bytes": { "$ref": "#/$defs/positiveInteger" },
        "max_nodes": { "$ref": "#/$defs/positiveInteger" },
        "max_query_chars": { "$ref": "#/$defs/positiveInteger" },
        "max_results": { "$ref": "#/$defs/positiveInteger" },
        "max_traversal_depth": { "$ref": "#/$defs/positiveInteger" },
        "max_context_tokens": { "$ref": "#/$defs/positiveInteger" },
        "max_tool_output_chars": { "$ref": "#/$defs/positiveInteger" },
        "max_changesets": { "$ref": "#/$defs/positiveInteger" },
        "max_changeset_operations": { "$ref": "#/$defs/positiveInteger" },
        "max_changeset_bytes": { "$ref": "#/$defs/positiveInteger" },
        "max_render_views": { "$ref": "#/$defs/positiveInteger" },
        "max_template_bytes": { "$ref": "#/$defs/positiveInteger" },
        "max_render_bytes": { "$ref": "#/$defs/positiveInteger" }
      },
      "additionalProperties": false
    },
    "profiles": { "type": "array" }
  },
  "$defs": {
    "relativePath": { "type": "string", "minLength": 1, "not": { "pattern": "(^/|(^|/)\\.\\.(/|$))" } },
    "pathList": { "type": "array", "uniqueItems": true, "items": { "$ref": "#/$defs/relativePath" } },
    "positiveInteger": { "type": "integer", "minimum": 1 }
  },
  "additionalProperties": false
}