{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://neon-sprawl.local/schemas/npc-behavior-def.json",
  "title": "NpcBehaviorDef",
  "description": "Single NPC behavior archetype row for catalogs (e.g. content/npc-behaviors/*_npc_behaviors.json). IDs are stable forever—rename display in displayName only. See docs/decomposition/modules/E5_M2_NpcAiAndBehaviorProfiles.md.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "id",
    "displayName",
    "archetypeKind",
    "maxHp",
    "aggroRadius",
    "leashRadius",
    "telegraphWindupSeconds",
    "attackDamage",
    "attackCooldownSeconds"
  ],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_]*$",
      "description": "Immutable behavior key for NPC instance binding, aggro, telegraph scheduling, and combat resolution. Never change after content ships; add a new id if the archetype splits."
    },
    "displayName": {
      "type": "string",
      "minLength": 1,
      "description": "Player-facing label; safe to change without migrating NPC data."
    },
    "archetypeKind": {
      "type": "string",
      "description": "Prototype archetype grouping for HUD, telemetry, and state-machine routing.",
      "enum": ["melee_pressure", "ranged_control", "elite_mini_boss"]
    },
    "maxHp": {
      "type": "integer",
      "minimum": 1,
      "description": "Maximum HP for NPC instances bound to this behavior def."
    },
    "aggroRadius": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Horizontal proximity radius for re-aggro after leash clear (XZ-only at runtime)."
    },
    "leashRadius": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Horizontal radius beyond which aggro holder clears when the player leaves (must exceed aggroRadius)."
    },
    "telegraphWindupSeconds": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Windup duration before NPC attack resolves after telegraph starts."
    },
    "attackDamage": {
      "type": "integer",
      "minimum": 1,
      "description": "Deterministic damage dealt to players after telegraph resolves in prototype Slice 2."
    },
    "attackCooldownSeconds": {
      "type": "number",
      "exclusiveMinimum": 0,
      "description": "Seconds after last attack before the NPC may enter telegraph again."
    }
  }
}
