import * as SqlClient from "effect/unstable/sql/SqlClient";import * as Effect from "effect/Effect"; export default Effect.gen(function* () {  const sql = yield* SqlClient.SqlClient;   yield* sql`    CREATE TABLE IF NOT EXISTS checkpoint_diff_blobs (      thread_id TEXT NOT NULL,      from_turn_count INTEGER NOT NULL,      to_turn_count INTEGER NOT NULL,      diff TEXT NOT NULL,      created_at TEXT NOT NULL,      UNIQUE (thread_id, from_turn_count, to_turn_count)    )  `;   yield* sql`    CREATE INDEX IF NOT EXISTS idx_checkpoint_diff_blobs_thread_to_turn    ON checkpoint_diff_blobs(thread_id, to_turn_count)  `;});