{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://design-council.local/schemas/participation-session.schema.json",
  "title": "MightShape participatory workshop session",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "id",
    "mode",
    "facilitator_level",
    "activity",
    "status",
    "created_at",
    "updated_at",
    "prompts",
    "contributions",
    "board_revision",
    "board_changes",
    "sealed_coordination",
    "guidance_state",
    "guidance_checkpoints",
    "adaptations",
    "actions"
  ],
  "properties": {
    "id": {"type": "string", "pattern": "^PS-[0-9]{3,}$"},
    "mode": {"enum": ["OBSERVE", "COLLABORATE", "FACILITATED_TURN_BY_TURN"]},
    "facilitator_level": {"enum": ["NOVICE_ASSISTED", "GUIDED", "LIGHT_TOUCH"]},
    "activity": {
      "enum": [
        "BRAINSTORMING",
        "BRAINWRITING",
        "AFFINITY_CLUSTERING",
        "PROCESS_RECONSTRUCTION",
        "ASSUMPTION_MAPPING",
        "POV_HMW",
        "PROTOTYPE_DESIGN",
        "TEST_DESIGN"
      ]
    },
    "status": {"enum": ["ACTIVE", "PAUSED", "HANDED_BACK", "EXITED", "COMPLETED"]},
    "created_at": {"type": "string", "format": "date-time"},
    "updated_at": {"type": "string", "format": "date-time"},
    "prompts": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "purpose", "mindset", "example", "prompt", "guidance_level", "pace", "status", "created_at", "closed_at", "answered_by"],
        "properties": {
          "id": {"type": "string", "pattern": "^UP-[0-9]{3,}$"},
          "purpose": {"type": ["string", "null"]},
          "mindset": {"type": ["string", "null"]},
          "example": {"type": ["string", "null"]},
          "prompt": {"type": "string", "minLength": 1},
          "guidance_level": {"enum": ["NOVICE_ASSISTED", "GUIDED", "LIGHT_TOUCH"]},
          "pace": {"enum": ["SLOWER", "STANDARD", "FASTER"]},
          "status": {"enum": ["OPEN", "ANSWERED", "SKIPPED"]},
          "created_at": {"type": "string", "format": "date-time"},
          "closed_at": {"type": ["string", "null"], "format": "date-time"},
          "answered_by": {"type": ["string", "null"], "pattern": "^UC-[0-9]{3,}$"}
        }
      }
    },
    "contributions": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": [
          "id",
          "kind",
          "content",
          "provenance",
          "status",
          "supersedes",
          "superseded_by",
          "board_revision",
          "sealed_disposition",
          "prompt_id",
          "created_at"
        ],
        "properties": {
          "id": {"type": "string", "pattern": "^UC-[0-9]{3,}$"},
          "kind": {
            "enum": [
              "IDEA",
              "NOTE",
              "SORT_MOVE",
              "CLUSTER_RENAME",
              "PROCESS_STEP",
              "ASSUMPTION",
              "POV_COMPONENT",
              "HMW",
              "PROTOTYPE_DECISION",
              "TEST_DECISION"
            ]
          },
          "content": {"type": "string", "minLength": 1},
          "provenance": {"const": "USER_PROVIDED"},
          "status": {"enum": ["ACTIVE", "SUPERSEDED"]},
          "supersedes": {"type": ["string", "null"], "pattern": "^UC-[0-9]{3,}$"},
          "superseded_by": {"type": ["string", "null"], "pattern": "^UC-[0-9]{3,}$"},
          "board_revision": {"type": "integer", "minimum": 0},
          "sealed_disposition": {
            "enum": ["NONE", "COMMON_PACKET_NEXT_ROUND", "HOLD_UNTIL_POST_FREEZE"]
          },
          "prompt_id": {"type": ["string", "null"], "pattern": "^UP-[0-9]{3,}$"},
          "created_at": {"type": "string", "format": "date-time"}
        }
      }
    },
    "board_revision": {"type": "integer", "minimum": 0},
    "board_changes": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["revision", "summary", "contribution_ids", "created_at"],
        "properties": {
          "revision": {"type": "integer", "minimum": 1},
          "summary": {"type": "string", "minLength": 1},
          "contribution_ids": {
            "type": "array",
            "items": {"type": "string", "pattern": "^UC-[0-9]{3,}$"},
            "minItems": 1,
            "uniqueItems": true
          },
          "created_at": {"type": "string", "format": "date-time"}
        }
      }
    },
    "sealed_coordination": {
      "type": "object",
      "additionalProperties": false,
      "required": ["round_id", "phase", "default_disposition", "applies_equally"],
      "properties": {
        "round_id": {"type": ["string", "null"], "pattern": "^CR-[A-Z0-9-]+$"},
        "phase": {"enum": ["NONE", "PRE_ROUND", "ROUND_A_OPEN", "POST_FREEZE"]},
        "default_disposition": {
          "enum": ["NONE", "COMMON_PACKET_NEXT_ROUND", "HOLD_UNTIL_POST_FREEZE"]
        },
        "applies_equally": {"type": "boolean"}
      }
    },
    "guidance_state": {
      "type": "object",
      "additionalProperties": false,
      "required": ["purpose_explained", "mindset_explained", "example_shown", "pace", "last_coaching", "last_adaptation_id"],
      "properties": {
        "purpose_explained": {"type": "boolean"},
        "mindset_explained": {"type": "boolean"},
        "example_shown": {"type": "boolean"},
        "pace": {"enum": ["SLOWER", "STANDARD", "FASTER"]},
        "last_coaching": {"type": ["string", "null"]},
        "last_adaptation_id": {"type": ["string", "null"], "pattern": "^UA-[0-9]{3,}$"}
      }
    },
    "guidance_checkpoints": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "prompt_id", "request", "term", "response", "adaptation_id", "created_at"],
        "properties": {
          "id": {"type": "string", "pattern": "^UG-[0-9]{3,}$"},
          "prompt_id": {"type": "string", "pattern": "^UP-[0-9]{3,}$"},
          "request": {"enum": ["WHY", "EXAMPLE", "DEFINE", "SLOWER", "FASTER", "COACHING"]},
          "term": {"type": ["string", "null"]},
          "response": {"type": "string", "minLength": 1},
          "adaptation_id": {"type": ["string", "null"], "pattern": "^UA-[0-9]{3,}$"},
          "created_at": {"type": "string", "format": "date-time"}
        }
      }
    },
    "adaptations": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["id", "dimension", "from", "to", "reason", "source", "prompt_id", "created_at"],
        "properties": {
          "id": {"type": "string", "pattern": "^UA-[0-9]{3,}$"},
          "dimension": {"enum": ["PACE", "FACILITATOR_LEVEL"]},
          "from": {"enum": ["SLOWER", "STANDARD", "FASTER", "NOVICE_ASSISTED", "GUIDED", "LIGHT_TOUCH"]},
          "to": {"enum": ["SLOWER", "STANDARD", "FASTER", "NOVICE_ASSISTED", "GUIDED", "LIGHT_TOUCH"]},
          "reason": {"type": "string", "minLength": 1},
          "source": {"enum": ["USER_REQUEST", "FACILITATOR_INFERENCE", "SYSTEM_POLICY"]},
          "prompt_id": {"type": ["string", "null"], "pattern": "^UP-[0-9]{3,}$"},
          "created_at": {"type": "string", "format": "date-time"}
        }
      }
    },
    "actions": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["action", "at", "details"],
        "properties": {
          "action": {
            "enum": ["START", "MODE_CHANGED", "FACILITATOR_LEVEL_CHANGED", "PROMPT_OPENED", "CONTRIBUTION_ADDED", "GUIDANCE", "SKIP", "PAUSE", "RESUME", "UNDO_SUPERSEDE", "HAND_BACK", "EXIT", "COMPLETE"]
          },
          "at": {"type": "string", "format": "date-time"},
          "details": {"type": "object"}
        }
      }
    }
  }
}