export type TopicCategory = 'entity' | 'concept' | 'temporal' | 'custom';

export type TopicGranularity = 'abstract' | 'concrete' | 'mixed';

export type JsonPrimitive = string | number | boolean | null;
export type JsonValue = JsonPrimitive | JsonValue[] | { [key: string]: JsonValue };

export interface TopicRecord {
  id: string;
  name: string;
  normalized_name: string;
  category: TopicCategory;
  granularity: TopicGranularity;
  description: string | null;
  metadata: string | null;
  created_at: string;
  updated_at: string;
}

export interface FactRecord {
  id: string;
  statement: string;
  summary: string | null;
  source: string | null;
  confidence: number | null;
  metadata: string | null;
  created_at: string;
  updated_at: string;
}

export interface FactTopicRecord {
  fact_id: string;
  topic_id: string;
  role: string | null;
  position: number;
  created_at: string;
}

export interface TopicRelationRecord {
  parent_topic_id: string;
  child_topic_id: string;
  relation: string;
  created_at: string;
}

export interface TopicAliasRecord {
  id: string;
  topic_id: string;
  alias: string;
  normalized_alias: string;
  is_primary: number;
  created_at: string;
  updated_at: string;
}

export interface FactEmbeddingRecord {
  fact_id: string;
  model: string;
  dimensions: number;
  embedding: string;
  content_hash: string;
  created_at: string;
  updated_at: string;
}