Table agent_personas {
  id bigserial [pk]
  guid uuid [unique, not null, default: `gen_random_uuid()`]
  name text [unique, not null]
  description text [not null, default: '']
  summary text [not null]
  detail text [not null, default: '']
  compiled_summary text [not null, default: '']
  compiled_detail text [not null, default: '']
  compiled_at timestamptz
  tags "text[]" [not null, default: `'{}'`]
  created_at timestamptz [not null, default: `now()`]
  updated_at timestamptz [not null, default: `now()`]
}

Table agent_parts {
  id bigserial [pk]
  guid uuid [unique, not null, default: `gen_random_uuid()`]
  name text [unique, not null]
  part_type text [not null]
  description text [not null, default: '']
  summary text [not null]
  content text [not null, default: '']
  tags "text[]" [not null, default: `'{}'`]
  created_at timestamptz [not null, default: `now()`]
  updated_at timestamptz [not null, default: `now()`]
}

Table agent_persona_parts {
  persona_id bigint [not null, ref: > agent_personas.id]
  part_id bigint [not null, ref: > agent_parts.id]
  part_order int [not null, default: 0]
  priority int [not null, default: 0]

  indexes {
    (persona_id, part_id) [pk]
    persona_id
  }
}

Table agent_persona_skills {
  persona_id bigint [not null, ref: > agent_personas.id]
  skill_id bigint [not null, ref: > agent_skills.id]

  indexes {
    (persona_id, skill_id) [pk]
    persona_id
  }
}

Table agent_persona_guardrails {
  persona_id bigint [not null, ref: > agent_personas.id]
  guardrail_id bigint [not null, ref: > agent_guardrails.id]

  indexes {
    (persona_id, guardrail_id) [pk]
    persona_id
  }
}

Table agent_traits {
  id bigserial [pk]
  guid uuid [unique, not null, default: `gen_random_uuid()`]
  name text [unique, not null]
  trait_type text [not null]
  description text [not null, default: '']
  instruction text [not null, default: '']
  tags "text[]" [not null, default: `'{}'`]
  created_at timestamptz [not null, default: `now()`]
  updated_at timestamptz [not null, default: `now()`]
}

Table agent_persona_traits {
  persona_id bigint [not null, ref: > agent_personas.id]
  trait_id bigint [not null, ref: > agent_traits.id]

  indexes {
    (persona_id, trait_id) [pk]
    persona_id
  }
}

Table character_arcs {
  id bigserial [pk]
  name text [unique, not null]
  description text [not null, default: '']
  summary text [not null, default: '']
  created_at timestamptz [not null, default: `now()`]
  updated_at timestamptz [not null, default: `now()`]
}

Table arc_stages {
  id bigserial [pk]
  arc_id bigint [not null, ref: > character_arcs.id]
  name text [not null]
  stage_order int [not null, default: 0]
  description text [not null, default: '']
  condition text [not null, default: '']
  created_at timestamptz [not null, default: `now()`]
}

Table arc_stage_parts {
  stage_id bigint [not null, ref: > arc_stages.id]
  part_id bigint [not null, ref: > agent_parts.id]

  indexes {
    (stage_id, part_id) [pk]
  }
}

Table persona_arc {
  persona_id bigint [pk, ref: > agent_personas.id]
  arc_id bigint [not null, ref: > character_arcs.id]
  current_stage_id bigint [not null, ref: > arc_stages.id]
  updated_at timestamptz [not null, default: `now()`]
}

// Cross-file refs (for relspecgo merge)
Ref: agent_persona_parts.persona_id > agent_personas.id [delete: cascade]
Ref: agent_persona_parts.part_id > agent_parts.id [delete: cascade]
Ref: agent_persona_skills.persona_id > agent_personas.id [delete: cascade]
Ref: agent_persona_skills.skill_id > agent_skills.id [delete: cascade]
Ref: agent_persona_guardrails.persona_id > agent_personas.id [delete: cascade]
Ref: agent_persona_guardrails.guardrail_id > agent_guardrails.id [delete: cascade]
Ref: agent_persona_traits.persona_id > agent_personas.id [delete: cascade]
Ref: agent_persona_traits.trait_id > agent_traits.id [delete: cascade]
Ref: arc_stages.arc_id > character_arcs.id [delete: cascade]
Ref: arc_stage_parts.stage_id > arc_stages.id [delete: cascade]
Ref: arc_stage_parts.part_id > agent_parts.id [delete: cascade]
Ref: persona_arc.persona_id > agent_personas.id [delete: cascade]
Ref: persona_arc.arc_id > character_arcs.id
Ref: persona_arc.current_stage_id > arc_stages.id