Function parseJSON

packages/core/src/db/db-core.ts:865–872

(str: string | null | undefined, fallback: T)

/** Shared JSON parser */
export function parseJSON<T>(str: string | null | undefined, fallback: T): T {
  if (!str) return fallback;
  try {
    return JSON.parse(str) as T;
  } catch {
    return fallback;
  }
}

/** Serialize float32 embedding array to bytes */
export function serializeEmbedding(embedding?: number[]): Uint8Array | null {