{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://prism-framework.org/schema/1.0/prism-mvp/market",
  "title": "PRISM/MVP — M: Market",
  "description": "Who we're building for: segments, personas, channels, engagement models.",
  "type": "object",
  "required": ["prism"],
  "additionalProperties": false,
  "properties": {
    "prism": {
      "type": "object",
      "required": ["layer", "schema_version"],
      "additionalProperties": false,
      "properties": {
        "layer": { "const": "market" },
        "schema_version": { "type": "string", "pattern": "^\\d+\\.\\d+$" },
        "temporal_state": { "type": "string", "enum": ["baseline", "transition", "target"] },
        "as_of": { "type": "string", "format": "date" },
        "label": { "type": "string" }
      }
    },
    "segments": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "name", "segment_type", "jtbd", "validation_state"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "segment_type": { "type": "string", "enum": ["primary", "secondary", "negative"] },
          "jtbd": { "type": "string", "description": "Jobs-to-Be-Done: When [situation], I want [motivation], so I can [outcome]." },
          "size": { "type": "string", "enum": ["large", "medium", "niche"] },
          "validation_state": { "type": "string", "enum": ["assumed", "observed", "validated"] },
          "evidence": { "type": "string" },
          "prism_ea_stakeholder": { "type": "string" },
          "tags": { "type": "array", "items": { "type": "string" } },
          "notes": { "type": "string" }
        }
      }
    },
    "personas": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "name", "segment_id"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "segment_id": { "type": "string" },
          "description": { "type": "string" },
          "goals": { "type": "string" },
          "frustrations": { "type": "string" },
          "validation_state": { "type": "string", "enum": ["assumed", "observed", "validated"] },
          "evidence": { "type": "string" },
          "tags": { "type": "array", "items": { "type": "string" } },
          "notes": { "type": "string" }
        }
      }
    },
    "channels": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "name", "segment_id", "validation_state"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "segment_id": { "type": "string" },
          "description": { "type": "string" },
          "validation_state": { "type": "string", "enum": ["assumed", "observed", "validated"] },
          "evidence": { "type": "string" },
          "tags": { "type": "array", "items": { "type": "string" } },
          "notes": { "type": "string" }
        }
      }
    },
    "engagement_models": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "name", "segment_id", "validation_state"],
        "additionalProperties": false,
        "properties": {
          "id": { "type": "string" },
          "name": { "type": "string" },
          "segment_id": { "type": "string" },
          "description": { "type": "string" },
          "validation_state": { "type": "string", "enum": ["assumed", "observed", "validated"] },
          "evidence": { "type": "string" },
          "tags": { "type": "array", "items": { "type": "string" } },
          "notes": { "type": "string" }
        }
      }
    }
  }
}