{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://plur.ai/spec/v1/pack-manifest.schema.json",
  "title": "PackManifest",
  "description": "Manifest for an engram pack in the Open Engram Standard v1. Generated from the Zod PackManifestSchema in @plur-ai/core (packages/core/src/schemas/pack.ts) by packages/core/scripts/gen-spec-schemas.ts — do not edit by hand. In on-disk packs this object is the YAML frontmatter of SKILL.md, or a standalone manifest.yaml. See ENGRAM-STANDARD-v1.md §5.",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Human-readable pack name. Used as the registry key and capsule manifest_summary.name."
    },
    "version": {
      "type": "string",
      "description": "Pack version. SemVer string recommended (e.g. '1.1.0'); validated as an opaque string, not range-checked."
    },
    "description": {
      "type": "string"
    },
    "creator": {
      "type": "string"
    },
    "license": {
      "type": "string",
      "default": "cc-by-sa-4.0",
      "description": "SPDX-style license identifier for the pack contents."
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "default": []
    },
    "metadata": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "Stable machine identifier for the pack."
        },
        "injection_policy": {
          "type": "string",
          "enum": [
            "on_match",
            "on_request",
            "always"
          ],
          "default": "on_match",
          "description": "When the loader is allowed to inject this pack's engrams."
        },
        "match_terms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "default": [],
          "description": "Keywords that gate on_match injection."
        },
        "domain": {
          "type": "string"
        },
        "engram_count": {
          "type": "number",
          "description": "Declared number of engrams in the pack (advisory; loaders count the actual engrams.yaml)."
        }
      },
      "additionalProperties": false,
      "description": "Loader metadata. Preferred forward-looking location for injection policy and matching terms."
    },
    "x-datacore": {
      "type": "object",
      "properties": {
        "id": {
          "type": "string"
        },
        "injection_policy": {
          "type": "string",
          "enum": [
            "on_match",
            "on_request"
          ]
        },
        "match_terms": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "default": []
        },
        "domain": {
          "type": "string"
        },
        "engram_count": {
          "type": "integer",
          "minimum": 0
        }
      },
      "required": [
        "id",
        "injection_policy",
        "engram_count"
      ],
      "additionalProperties": false,
      "description": "LEGACY namespace, retained for backward compatibility with Datacore-era packs. New packs SHOULD use 'metadata'. Note: injection_policy here does NOT include 'always'."
    }
  },
  "required": [
    "name",
    "version"
  ],
  "additionalProperties": true
}