// ===============================
// SECTION | VectorDB
// ===============================
/**
 * Abstract base class representing a vector database interface.
 *
 * This class defines the contract for adding, searching, and deleting vectorized data.
 */
export abstract class VectorDB {
  /**
   * Adds a new entry to the vector database.
   * @param text - The original text to store.
   * @param vector - The vector representation of the text.
   * @param tags - Tags associated with the entry for filtering or identification.
   */
  abstract add(text: string, vector: number[], tags: string[]): Promise<void>
  /**
   * Searches the vector database for entries similar to the provided text/vector.
   * @param text - The query text.
   * @param vector - The vector representation of the query text.
   * @param tags - Tags to filter the search.
   * @param topK - The maximum number of top results to return.
   * @returns A promise resolving to an array of matching texts.
   */
  abstract search(
    text: string,
    vector: number[],
    tags: string[],
    topK?: number
  ): Promise<string[]>
  /**
   * Deletes entries from the vector database matching the provided tags.
   * @param tags - Tags identifying which entries to delete.
   */
  abstract delete(tags: string[]): Promise<void>
}
// ===============================