import type { Database, Migration } from "./database";
/** Table name constants for the database schema. */
export declare const TABLES: {
    readonly SESSIONS: "sessions";
    readonly OBSERVATIONS: "observations";
    readonly SESSION_SUMMARIES: "session_summaries";
    readonly PENDING_MESSAGES: "pending_messages";
    readonly CONFIG_AUDIT_EVENTS: "config_audit_events";
    readonly MAINTENANCE_HISTORY: "maintenance_history";
    readonly OBSERVATIONS_FTS: "observations_fts";
    readonly SUMMARIES_FTS: "summaries_fts";
    readonly OBSERVATION_EMBEDDINGS: "observation_embeddings";
    readonly EMBEDDING_META: "_embedding_meta";
    readonly ENTITIES: "entities";
    readonly ENTITY_RELATIONS: "entity_relations";
    readonly ENTITY_OBSERVATIONS: "entity_observations";
    readonly ENTITIES_FTS: "entities_fts";
};
/** Single migration that creates the complete database schema. */
export declare const MIGRATIONS: Migration[];
/** Run all migrations to bring the database schema up to date */
export declare function initializeSchema(db: Database, options?: {
    hasVectorExtension?: boolean;
    embeddingDimension?: number;
}): void;
/** Create the vec0 virtual table for native vector similarity search. */
export declare function initializeVec0Table(db: Database, dimension: number): void;
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