{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "additionalProperties": false,
  "required": ["message", "focus", "a2ui_jsonl", "task_title", "target_component_id", "target_quote", "continuation_kind", "action_type", "continuation"],
  "properties": {
    "message": { "type": "string", "minLength": 1 },
    "focus": { "type": "string", "enum": ["chat", "work"] },
    "a2ui_jsonl": { "type": ["string", "null"] },
    "task_title": { "type": ["string", "null"] },
    "target_component_id": { "type": ["string", "null"] },
    "target_quote": { "type": ["string", "null"] },
    "continuation_kind": { "type": "string", "enum": ["question", "action"] },
    "action_type": { "type": ["string", "null"], "enum": ["run", "edit", "answer", "adjust", "read", "inspect", "submit", null] },
    "continuation": { "type": "string", "minLength": 1 }
  }
}