feat: add sqlstring and supports-color modules

- Introduced sqlstring module for SQL escape and formatting.
- Added supports-color module to detect terminal color support.
- Created dashboard and login views with Bootstrap styling.
- Implemented user schema in SQL with mock data for testing.

backend/node_modules/mysql2/typings/mysql/lib/Auth.d.ts

@@ -0,0 +1,30 @@
+import { RsaPublicKey, RsaPrivateKey, KeyLike } from 'crypto';
+import { Connection } from './Connection.js';
+
+export type AuthPlugin = (pluginMetadata: {
+  connection: Connection;
+  command: string;
+}) => (
+  pluginData: Buffer
+) => Promise<string> | string | Buffer | Promise<Buffer> | null;
+
+type AuthPluginDefinition<T> = (pluginOptions?: T) => AuthPlugin;
+
+export const authPlugins: {
+  caching_sha2_password: AuthPluginDefinition<{
+    overrideIsSecure?: boolean;
+    serverPublicKey?: RsaPublicKey | RsaPrivateKey | KeyLike;
+    onServerPublicKey?: (data: Buffer) => void;
+  }>;
+  mysql_clear_password: AuthPluginDefinition<{
+    password?: string;
+  }>;
+  mysql_native_password: AuthPluginDefinition<{
+    password?: string;
+    passwordSha1?: string;
+  }>;
+  sha256_password: AuthPluginDefinition<{
+    serverPublicKey?: RsaPublicKey | RsaPrivateKey | KeyLike;
+    onServerPublicKey?: (data: Buffer) => void;
+  }>;
+};

backend/node_modules/mysql2/typings/mysql/lib/Connection.d.ts

@@ -0,0 +1,428 @@
+// This file was modified by Oracle on November 04, 2021.
+// Type definitions and corresponding descriptions were introduced for the
+// connection options relevant for multifactor authentication.
+// Modifications copyright (c) 2021, Oracle and/or its affiliates.
+
+import { EventEmitter } from 'events';
+import { Readable } from 'stream';
+import { Query, QueryError } from './protocol/sequences/Query.js';
+import { Prepare, PrepareStatementInfo } from './protocol/sequences/Prepare.js';
+import {
+  OkPacket,
+  FieldPacket,
+  RowDataPacket,
+  ResultSetHeader,
+  OkPacketParams,
+  ErrorPacketParams,
+} from './protocol/packets/index.js';
+import { Connection as PromiseConnection } from '../../../promise.js';
+import { AuthPlugin } from './Auth.js';
+import { QueryableBase } from './protocol/sequences/QueryableBase.js';
+import { ExecutableBase } from './protocol/sequences/ExecutableBase.js';
+import { TypeCast } from './parsers/typeCast.js';
+
+export interface SslOptions {
+  /**
+   * A string or buffer holding the PFX or PKCS12 encoded private key, certificate and CA certificates
+   */
+  pfx?: string;
+
+  /**
+   * Either a string/buffer or list of strings/Buffers holding the PEM encoded private key(s) to use
+   */
+  key?: string | string[] | Buffer | Buffer[];
+
+  /**
+   * A string of passphrase for the private key or pfx
+   */
+  passphrase?: string;
+
+  /**
+   * A string/buffer or list of strings/Buffers holding the PEM encoded certificate(s)
+   */
+  cert?: string | string[] | Buffer | Buffer[];
+
+  /**
+   * Either a string/Buffer or list of strings/Buffers of PEM encoded CA certificates to trust.
+   */
+  ca?: string | string[] | Buffer | Buffer[];
+
+  /**
+   * Either a string or list of strings of PEM encoded CRLs (Certificate Revocation List)
+   */
+  crl?: string | string[];
+
+  /**
+   * A string describing the ciphers to use or exclude
+   */
+  ciphers?: string;
+
+  /**
+   * You can also connect to a MySQL server without properly providing the appropriate CA to trust. You should not do this.
+   */
+  rejectUnauthorized?: boolean;
+
+  /**
+   * Configure the minimum supported version of SSL, the default is TLSv1.2.
+   */
+  minVersion?: string;
+
+  /**
+   * Configure the maximum supported version of SSL, the default is TLSv1.3.
+   */
+  maxVersion?: string;
+
+  /**
+   * You can verify the server name identity presented on the server certificate when connecting to a MySQL server.
+   * You should enable this but it is disabled by default right now for backwards compatibility.
+   */
+  verifyIdentity?: boolean;
+}
+
+export interface ConnectionOptions {
+  /**
+   * DECIMAL and NEWDECIMAL types will be returned as numbers if this option is set to `true` ( default: `false`).
+   */
+  decimalNumbers?: boolean;
+
+  /**
+   * The MySQL user to authenticate as
+   */
+  user?: string;
+
+  /**
+   * The password of that MySQL user
+   */
+  password?: string;
+
+  /**
+   * Alias for the MySQL user password. Makes a bit more sense in a multifactor authentication setup (see
+   * "password2" and "password3")
+   */
+  password1?: string;
+
+  /**
+   * 2nd factor authentication password. Mandatory when the authentication policy for the MySQL user account
+   * requires an additional authentication method that needs a password.
+   * https://dev.mysql.com/doc/refman/8.0/en/multifactor-authentication.html
+   */
+  password2?: string;
+
+  /**
+   * 3rd factor authentication password. Mandatory when the authentication policy for the MySQL user account
+   * requires two additional authentication methods and the last one needs a password.
+   * https://dev.mysql.com/doc/refman/8.0/en/multifactor-authentication.html
+   */
+  password3?: string;
+
+  /**
+   * Name of the database to use for this connection
+   */
+  database?: string;
+
+  /**
+   * The charset for the connection. This is called 'collation' in the SQL-level of MySQL (like utf8_general_ci).
+   * If a SQL-level charset is specified (like utf8mb4) then the default collation for that charset is used.
+   * (Default: 'UTF8_GENERAL_CI')
+   */
+  charset?: string;
+
+  /**
+   * The hostname of the database you are connecting to. (Default: localhost)
+   */
+  host?: string;
+
+  /**
+   * The port number to connect to. (Default: 3306)
+   */
+  port?: number;
+
+  /**
+   * The source IP address to use for TCP connection
+   */
+  localAddress?: string;
+
+  /**
+   * The path to a unix domain socket to connect to. When used host and port are ignored
+   */
+  socketPath?: string;
+
+  /**
+   * The timezone used to store local dates. (Default: 'local')
+   */
+  timezone?: string | 'local';
+
+  /**
+   * The milliseconds before a timeout occurs during the initial connection to the MySQL server. (Default: 10 seconds)
+   */
+  connectTimeout?: number;
+
+  /**
+   * Stringify objects instead of converting to values. (Default: 'false')
+   */
+  stringifyObjects?: boolean;
+
+  /**
+   * Allow connecting to MySQL instances that ask for the old (insecure) authentication method. (Default: false)
+   */
+  insecureAuth?: boolean;
+
+  /**
+   * By specifying a function that returns a readable stream, an arbitrary stream can be sent when sending a local fs file.
+   */
+  infileStreamFactory?: (path: string) => Readable;
+
+  /**
+   * Determines if column values should be converted to native JavaScript types.
+   *
+   * @default true
+   *
+   * It is not recommended (and may go away / change in the future) to disable type casting, but you can currently do so on either the connection or query level.
+   *
+   * ---
+   *
+   * You can also specify a function to do the type casting yourself:
+   * ```ts
+   * (field: Field, next: () => unknown) => {
+   *   return next();
+   * }
+   * ```
+   *
+   * ---
+   *
+   * **WARNING:**
+   *
+   * YOU MUST INVOKE the parser using one of these three field functions in your custom typeCast callback. They can only be called once:
+   *
+   * ```js
+   * field.string();
+   * field.buffer();
+   * field.geometry();
+   * ```
+
+   * Which are aliases for:
+   *
+   * ```js
+   * parser.parseLengthCodedString();
+   * parser.parseLengthCodedBuffer();
+   * parser.parseGeometryValue();
+   * ```
+   *
+   * You can find which field function you need to use by looking at `RowDataPacket.prototype._typeCast`.
+   */
+  typeCast?: TypeCast;
+
+  /**
+   * A custom query format function
+   */
+  queryFormat?: (query: string, values: any) => void;
+
+  /**
+   * When dealing with big numbers (BIGINT and DECIMAL columns) in the database, you should enable this option
+   * (Default: false)
+   */
+  supportBigNumbers?: boolean;
+
+  /**
+   * Enabling both supportBigNumbers and bigNumberStrings forces big numbers (BIGINT and DECIMAL columns) to be
+   * always returned as JavaScript String objects (Default: false). Enabling supportBigNumbers but leaving
+   * bigNumberStrings disabled will return big numbers as String objects only when they cannot be accurately
+   * represented with [JavaScript Number objects](https://262.ecma-international.org/5.1/#sec-8.5)
+   * (which happens when they exceed the [-2^53, +2^53] range), otherwise they will be returned as Number objects.
+   * This option is ignored if supportBigNumbers is disabled.
+   */
+  bigNumberStrings?: boolean;
+
+  /**
+   * Force date types (TIMESTAMP, DATETIME, DATE) to be returned as strings rather then inflated into JavaScript Date
+   * objects. Can be true/false or an array of type names to keep as strings.
+   *
+   * (Default: false)
+   */
+  dateStrings?: boolean | Array<'TIMESTAMP' | 'DATETIME' | 'DATE'>;
+
+  /**
+   * This will print all incoming and outgoing packets on stdout.
+   * You can also restrict debugging to packet types by passing an array of types (strings) to debug;
+   *
+   * (Default: false)
+   */
+  debug?: any;
+
+  /**
+   * Generates stack traces on Error to include call site of library entrance ('long stack traces'). Slight
+   * performance penalty for most calls. (Default: true)
+   */
+  trace?: boolean;
+
+  /**
+   * Allow multiple mysql statements per query. Be careful with this, it exposes you to SQL injection attacks. (Default: false)
+   */
+  multipleStatements?: boolean;
+
+  /**
+   * List of connection flags to use other than the default ones. It is also possible to blacklist default ones
+   */
+  flags?: Array<string>;
+
+  /**
+   * object with ssl parameters or a string containing name of ssl profile
+   */
+  ssl?: string | SslOptions;
+
+  /**
+   * Return each row as an array, not as an object.
+   * This is useful when you have duplicate column names.
+   * This can also be set in the `QueryOption` object to be applied per-query.
+   */
+  rowsAsArray?: boolean;
+
+  /**
+   * Enable keep-alive on the socket. (Default: true)
+   */
+  enableKeepAlive?: boolean;
+
+  /**
+   * If keep-alive is enabled users can supply an initial delay. (Default: 0)
+   */
+  keepAliveInitialDelay?: number;
+
+  charsetNumber?: number;
+
+  compress?: boolean;
+
+  authSwitchHandler?: (data: any, callback: () => void) => any;
+
+  connectAttributes?: { [param: string]: any };
+
+  isServer?: boolean;
+
+  maxPreparedStatements?: number;
+
+  namedPlaceholders?: boolean;
+
+  nestTables?: boolean | string;
+
+  passwordSha1?: string;
+
+  pool?: any;
+
+  stream?: any;
+
+  uri?: string;
+
+  connectionLimit?: number;
+
+  maxIdle?: number;
+
+  idleTimeout?: number;
+
+  Promise?: any;
+
+  queueLimit?: number;
+
+  waitForConnections?: boolean;
+
+  disableEval?: boolean;
+
+  authPlugins?: {
+    [key: string]: AuthPlugin;
+  };
+
+  /**
+   * Force JSON to be returned as string
+   *
+   * (Default: false)
+   */
+  jsonStrings?: boolean;
+}
+
+declare class Connection extends QueryableBase(ExecutableBase(EventEmitter)) {
+  config: ConnectionOptions;
+
+  threadId: number;
+
+  authorized: boolean;
+
+  static createQuery<
+    T extends
+      | RowDataPacket[][]
+      | RowDataPacket[]
+      | OkPacket
+      | OkPacket[]
+      | ResultSetHeader,
+  >(
+    sql: string,
+    callback?: (err: QueryError | null, result: T, fields: FieldPacket[]) => any
+  ): Query;
+  static createQuery<
+    T extends
+      | RowDataPacket[][]
+      | RowDataPacket[]
+      | OkPacket
+      | OkPacket[]
+      | ResultSetHeader,
+  >(
+    sql: string,
+    values: any | any[] | { [param: string]: any },
+    callback?: (err: QueryError | null, result: T, fields: FieldPacket[]) => any
+  ): Query;
+
+  beginTransaction(callback: (err: QueryError | null) => void): void;
+
+  connect(callback?: (err: QueryError | null) => void): void;
+
+  commit(callback?: (err: QueryError | null) => void): void;
+
+  changeUser(
+    options: ConnectionOptions,
+    callback?: (err: QueryError | null) => void
+  ): void;
+
+  end(callback?: (err: QueryError | null) => void): void;
+  end(options: any, callback?: (err: QueryError | null) => void): void;
+
+  destroy(): void;
+
+  pause(): void;
+
+  resume(): void;
+
+  escape(value: any): string;
+
+  escapeId(value: string): string;
+  escapeId(values: string[]): string;
+
+  format(sql: string, values?: any | any[] | { [param: string]: any }): string;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+
+  rollback(callback: (err: QueryError | null) => void): void;
+
+  prepare(
+    sql: string,
+    callback?: (err: QueryError | null, statement: PrepareStatementInfo) => any
+  ): Prepare;
+
+  unprepare(sql: string): PrepareStatementInfo;
+
+  serverHandshake(args: any): any;
+
+  promise(promiseImpl?: PromiseConstructor): PromiseConnection;
+
+  ping(callback?: (err: QueryError | null) => any): void;
+
+  writeOk(args?: OkPacketParams): void;
+
+  writeError(args?: ErrorPacketParams): void;
+
+  writeEof(warnings?: number, statusFlags?: number): void;
+
+  writeTextResult(rows?: Array<any>, columns?: Array<any>): void;
+
+  writePacket(packet: any): void;
+
+  sequenceId: number;
+}
+
+export { Connection };

backend/node_modules/mysql2/typings/mysql/lib/Pool.d.ts

@@ -0,0 +1,69 @@
+import { EventEmitter } from 'events';
+import { PrepareStatementInfo } from './protocol/sequences/Prepare.js';
+import { ConnectionOptions } from './Connection.js';
+import { PoolConnection } from './PoolConnection.js';
+import {
+  Pool as PromisePool,
+  PoolConnection as PromisePoolConnection,
+} from '../../../promise.js';
+import { QueryableBase } from './protocol/sequences/QueryableBase.js';
+import { ExecutableBase } from './protocol/sequences/ExecutableBase.js';
+
+export interface PoolOptions extends ConnectionOptions {
+  /**
+   * Determines the pool's action when no connections are available and the limit has been reached. If true, the pool will queue
+   * the connection request and call it when one becomes available. If false, the pool will immediately call back with an error.
+   * (Default: true)
+   */
+  waitForConnections?: boolean;
+
+  /**
+   * The maximum number of connections to create at once. (Default: 10)
+   */
+  connectionLimit?: number;
+
+  /**
+   * The maximum number of idle connections. (Default: same as `connectionLimit`)
+   */
+  maxIdle?: number;
+
+  /**
+   * The idle connections timeout, in milliseconds. (Default: 60000)
+   */
+  idleTimeout?: number;
+
+  /**
+   * The maximum number of connection requests the pool will queue before returning an error from getConnection. If set to 0, there
+   * is no limit to the number of queued connection requests. (Default: 0)
+   */
+  queueLimit?: number;
+}
+
+declare class Pool extends QueryableBase(ExecutableBase(EventEmitter)) {
+  getConnection(
+    callback: (
+      err: NodeJS.ErrnoException | null,
+      connection: PoolConnection
+    ) => any
+  ): void;
+
+  releaseConnection(connection: PoolConnection | PromisePoolConnection): void;
+
+  end(
+    callback?: (err: NodeJS.ErrnoException | null, ...args: any[]) => any
+  ): void;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+  on(event: 'connection', listener: (connection: PoolConnection) => any): this;
+  on(event: 'acquire', listener: (connection: PoolConnection) => any): this;
+  on(event: 'release', listener: (connection: PoolConnection) => any): this;
+  on(event: 'enqueue', listener: () => any): this;
+
+  unprepare(sql: string): PrepareStatementInfo;
+
+  promise(promiseImpl?: PromiseConstructor): PromisePool;
+
+  config: PoolOptions;
+}
+
+export { Pool };

backend/node_modules/mysql2/typings/mysql/lib/PoolCluster.d.ts

@@ -0,0 +1,90 @@
+import { EventEmitter } from 'events';
+import { PoolConnection } from './PoolConnection.js';
+import { PoolOptions } from './Pool.js';
+import { ExecutableBase as ExecutableBaseClass } from './protocol/sequences/ExecutableBase.js';
+import { QueryableBase as QueryableBaseClass } from './protocol/sequences/QueryableBase.js';
+
+// Expose class interfaces
+declare class QueryableAndExecutableBase extends QueryableBaseClass(
+  ExecutableBaseClass(EventEmitter)
+) {}
+
+export interface PoolClusterOptions {
+  /**
+   * If true, PoolCluster will attempt to reconnect when connection fails. (Default: true)
+   */
+  canRetry?: boolean;
+
+  /**
+   * If connection fails, node's errorCount increases. When errorCount is greater than removeNodeErrorCount,
+   * remove a node in the PoolCluster. (Default: 5)
+   */
+  removeNodeErrorCount?: number;
+
+  /**
+   * If connection fails, specifies the number of milliseconds before another connection attempt will be made.
+   * If set to 0, then node will be removed instead and never re-used. (Default: 0)
+   */
+  restoreNodeTimeout?: number;
+
+  /**
+   * The default selector. (Default: RR)
+   * RR: Select one alternately. (Round-Robin)
+   * RANDOM: Select the node by random function.
+   * ORDER: Select the first node available unconditionally.
+   */
+  defaultSelector?: string;
+}
+
+export interface PoolNamespace extends QueryableAndExecutableBase {
+  getConnection(
+    callback: (
+      err: NodeJS.ErrnoException | null,
+      connection: PoolConnection
+    ) => any
+  ): void;
+}
+
+declare class PoolCluster extends EventEmitter {
+  config: PoolClusterOptions;
+
+  add(config: PoolOptions): void;
+  add(group: string, connectionUri: string): void;
+  add(group: string, config: PoolOptions): void;
+
+  remove(pattern: string): void;
+
+  end(): void;
+
+  getConnection(
+    callback: (
+      err: NodeJS.ErrnoException | null,
+      connection: PoolConnection
+    ) => void
+  ): void;
+  getConnection(
+    group: string,
+    callback: (
+      err: NodeJS.ErrnoException | null,
+      connection: PoolConnection
+    ) => void
+  ): void;
+  getConnection(
+    group: string,
+    selector: string,
+    callback: (
+      err: NodeJS.ErrnoException | null,
+      connection: PoolConnection
+    ) => void
+  ): void;
+
+  of(pattern: string, selector?: string): PoolNamespace;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+  on(event: 'online', listener: (nodeId: number) => void): this;
+  on(event: 'offline', listener: (nodeId: number) => void): this;
+  on(event: 'remove', listener: (nodeId: number) => void): this;
+  on(event: 'warn', listener: (err: Error) => void): this;
+}
+
+export { PoolCluster };

backend/node_modules/mysql2/typings/mysql/lib/PoolConnection.d.ts

@@ -0,0 +1,10 @@
+import { Connection } from './Connection.js';
+import { Pool as PromisePool } from '../../../promise.js';
+
+declare class PoolConnection extends Connection {
+  connection: Connection;
+  release(): void;
+  promise(promiseImpl?: PromiseConstructor): PromisePool;
+}
+
+export { PoolConnection };

backend/node_modules/mysql2/typings/mysql/lib/Server.d.ts

@@ -0,0 +1,11 @@
+import { EventEmitter } from 'events';
+import { Connection } from './Connection.js';
+
+declare class Server extends EventEmitter {
+  connections: Array<Connection>;
+
+  listen(port: number): Server;
+  close(callback: (error: Error, count: number) => any): void;
+}
+
+export { Server };

backend/node_modules/mysql2/typings/mysql/lib/constants/CharsetToEncoding.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Constant `CharsetToEncoding`.
+ *
+ * Please note that `CharsetToEncoding` can only be accessed from the `mysql` object and not imported directly.
+ */
+declare const CharsetToEncoding: string[];
+
+export { CharsetToEncoding };

backend/node_modules/mysql2/typings/mysql/lib/constants/Charsets.d.ts

@@ -0,0 +1,326 @@
+interface Charsets {
+  BIG5_CHINESE_CI: number;
+  LATIN2_CZECH_CS: number;
+  DEC8_SWEDISH_CI: number;
+  CP850_GENERAL_CI: number;
+  LATIN1_GERMAN1_CI: number;
+  HP8_ENGLISH_CI: number;
+  KOI8R_GENERAL_CI: number;
+  LATIN1_SWEDISH_CI: number;
+  LATIN2_GENERAL_CI: number;
+  SWE7_SWEDISH_CI: number;
+  ASCII_GENERAL_CI: number;
+  UJIS_JAPANESE_CI: number;
+  SJIS_JAPANESE_CI: number;
+  CP1251_BULGARIAN_CI: number;
+  LATIN1_DANISH_CI: number;
+  HEBREW_GENERAL_CI: number;
+  TIS620_THAI_CI: number;
+  EUCKR_KOREAN_CI: number;
+  LATIN7_ESTONIAN_CS: number;
+  LATIN2_HUNGARIAN_CI: number;
+  KOI8U_GENERAL_CI: number;
+  CP1251_UKRAINIAN_CI: number;
+  GB2312_CHINESE_CI: number;
+  GREEK_GENERAL_CI: number;
+  CP1250_GENERAL_CI: number;
+  LATIN2_CROATIAN_CI: number;
+  GBK_CHINESE_CI: number;
+  CP1257_LITHUANIAN_CI: number;
+  LATIN5_TURKISH_CI: number;
+  LATIN1_GERMAN2_CI: number;
+  ARMSCII8_GENERAL_CI: number;
+  UTF8_GENERAL_CI: number;
+  CP1250_CZECH_CS: number;
+  UCS2_GENERAL_CI: number;
+  CP866_GENERAL_CI: number;
+  KEYBCS2_GENERAL_CI: number;
+  MACCE_GENERAL_CI: number;
+  MACROMAN_GENERAL_CI: number;
+  CP852_GENERAL_CI: number;
+  LATIN7_GENERAL_CI: number;
+  LATIN7_GENERAL_CS: number;
+  MACCE_BIN: number;
+  CP1250_CROATIAN_CI: number;
+  UTF8MB4_GENERAL_CI: number;
+  UTF8MB4_BIN: number;
+  LATIN1_BIN: number;
+  LATIN1_GENERAL_CI: number;
+  LATIN1_GENERAL_CS: number;
+  CP1251_BIN: number;
+  CP1251_GENERAL_CI: number;
+  CP1251_GENERAL_CS: number;
+  MACROMAN_BIN: number;
+  UTF16_GENERAL_CI: number;
+  UTF16_BIN: number;
+  UTF16LE_GENERAL_CI: number;
+  CP1256_GENERAL_CI: number;
+  CP1257_BIN: number;
+  CP1257_GENERAL_CI: number;
+  UTF32_GENERAL_CI: number;
+  UTF32_BIN: number;
+  UTF16LE_BIN: number;
+  BINARY: number;
+  ARMSCII8_BIN: number;
+  ASCII_BIN: number;
+  CP1250_BIN: number;
+  CP1256_BIN: number;
+  CP866_BIN: number;
+  DEC8_BIN: number;
+  GREEK_BIN: number;
+  HEBREW_BIN: number;
+  HP8_BIN: number;
+  KEYBCS2_BIN: number;
+  KOI8R_BIN: number;
+  KOI8U_BIN: number;
+  UTF8_TOLOWER_CI: number;
+  LATIN2_BIN: number;
+  LATIN5_BIN: number;
+  LATIN7_BIN: number;
+  CP850_BIN: number;
+  CP852_BIN: number;
+  SWE7_BIN: number;
+  UTF8_BIN: number;
+  BIG5_BIN: number;
+  EUCKR_BIN: number;
+  GB2312_BIN: number;
+  GBK_BIN: number;
+  SJIS_BIN: number;
+  TIS620_BIN: number;
+  UCS2_BIN: number;
+  UJIS_BIN: number;
+  GEOSTD8_GENERAL_CI: number;
+  GEOSTD8_BIN: number;
+  LATIN1_SPANISH_CI: number;
+  CP932_JAPANESE_CI: number;
+  CP932_BIN: number;
+  EUCJPMS_JAPANESE_CI: number;
+  EUCJPMS_BIN: number;
+  CP1250_POLISH_CI: number;
+  UTF16_UNICODE_CI: number;
+  UTF16_ICELANDIC_CI: number;
+  UTF16_LATVIAN_CI: number;
+  UTF16_ROMANIAN_CI: number;
+  UTF16_SLOVENIAN_CI: number;
+  UTF16_POLISH_CI: number;
+  UTF16_ESTONIAN_CI: number;
+  UTF16_SPANISH_CI: number;
+  UTF16_SWEDISH_CI: number;
+  UTF16_TURKISH_CI: number;
+  UTF16_CZECH_CI: number;
+  UTF16_DANISH_CI: number;
+  UTF16_LITHUANIAN_CI: number;
+  UTF16_SLOVAK_CI: number;
+  UTF16_SPANISH2_CI: number;
+  UTF16_ROMAN_CI: number;
+  UTF16_PERSIAN_CI: number;
+  UTF16_ESPERANTO_CI: number;
+  UTF16_HUNGARIAN_CI: number;
+  UTF16_SINHALA_CI: number;
+  UTF16_GERMAN2_CI: number;
+  UTF16_CROATIAN_CI: number;
+  UTF16_UNICODE_520_CI: number;
+  UTF16_VIETNAMESE_CI: number;
+  UCS2_UNICODE_CI: number;
+  UCS2_ICELANDIC_CI: number;
+  UCS2_LATVIAN_CI: number;
+  UCS2_ROMANIAN_CI: number;
+  UCS2_SLOVENIAN_CI: number;
+  UCS2_POLISH_CI: number;
+  UCS2_ESTONIAN_CI: number;
+  UCS2_SPANISH_CI: number;
+  UCS2_SWEDISH_CI: number;
+  UCS2_TURKISH_CI: number;
+  UCS2_CZECH_CI: number;
+  UCS2_DANISH_CI: number;
+  UCS2_LITHUANIAN_CI: number;
+  UCS2_SLOVAK_CI: number;
+  UCS2_SPANISH2_CI: number;
+  UCS2_ROMAN_CI: number;
+  UCS2_PERSIAN_CI: number;
+  UCS2_ESPERANTO_CI: number;
+  UCS2_HUNGARIAN_CI: number;
+  UCS2_SINHALA_CI: number;
+  UCS2_GERMAN2_CI: number;
+  UCS2_CROATIAN_CI: number;
+  UCS2_UNICODE_520_CI: number;
+  UCS2_VIETNAMESE_CI: number;
+  UCS2_GENERAL_MYSQL500_CI: number;
+  UTF32_UNICODE_CI: number;
+  UTF32_ICELANDIC_CI: number;
+  UTF32_LATVIAN_CI: number;
+  UTF32_ROMANIAN_CI: number;
+  UTF32_SLOVENIAN_CI: number;
+  UTF32_POLISH_CI: number;
+  UTF32_ESTONIAN_CI: number;
+  UTF32_SPANISH_CI: number;
+  UTF32_SWEDISH_CI: number;
+  UTF32_TURKISH_CI: number;
+  UTF32_CZECH_CI: number;
+  UTF32_DANISH_CI: number;
+  UTF32_LITHUANIAN_CI: number;
+  UTF32_SLOVAK_CI: number;
+  UTF32_SPANISH2_CI: number;
+  UTF32_ROMAN_CI: number;
+  UTF32_PERSIAN_CI: number;
+  UTF32_ESPERANTO_CI: number;
+  UTF32_HUNGARIAN_CI: number;
+  UTF32_SINHALA_CI: number;
+  UTF32_GERMAN2_CI: number;
+  UTF32_CROATIAN_CI: number;
+  UTF32_UNICODE_520_CI: number;
+  UTF32_VIETNAMESE_CI: number;
+  UTF8_UNICODE_CI: number;
+  UTF8_ICELANDIC_CI: number;
+  UTF8_LATVIAN_CI: number;
+  UTF8_ROMANIAN_CI: number;
+  UTF8_SLOVENIAN_CI: number;
+  UTF8_POLISH_CI: number;
+  UTF8_ESTONIAN_CI: number;
+  UTF8_SPANISH_CI: number;
+  UTF8_SWEDISH_CI: number;
+  UTF8_TURKISH_CI: number;
+  UTF8_CZECH_CI: number;
+  UTF8_DANISH_CI: number;
+  UTF8_LITHUANIAN_CI: number;
+  UTF8_SLOVAK_CI: number;
+  UTF8_SPANISH2_CI: number;
+  UTF8_ROMAN_CI: number;
+  UTF8_PERSIAN_CI: number;
+  UTF8_ESPERANTO_CI: number;
+  UTF8_HUNGARIAN_CI: number;
+  UTF8_SINHALA_CI: number;
+  UTF8_GERMAN2_CI: number;
+  UTF8_CROATIAN_CI: number;
+  UTF8_UNICODE_520_CI: number;
+  UTF8_VIETNAMESE_CI: number;
+  UTF8_GENERAL_MYSQL500_CI: number;
+  UTF8MB4_UNICODE_CI: number;
+  UTF8MB4_ICELANDIC_CI: number;
+  UTF8MB4_LATVIAN_CI: number;
+  UTF8MB4_ROMANIAN_CI: number;
+  UTF8MB4_SLOVENIAN_CI: number;
+  UTF8MB4_POLISH_CI: number;
+  UTF8MB4_ESTONIAN_CI: number;
+  UTF8MB4_SPANISH_CI: number;
+  UTF8MB4_SWEDISH_CI: number;
+  UTF8MB4_TURKISH_CI: number;
+  UTF8MB4_CZECH_CI: number;
+  UTF8MB4_DANISH_CI: number;
+  UTF8MB4_LITHUANIAN_CI: number;
+  UTF8MB4_SLOVAK_CI: number;
+  UTF8MB4_SPANISH2_CI: number;
+  UTF8MB4_ROMAN_CI: number;
+  UTF8MB4_PERSIAN_CI: number;
+  UTF8MB4_ESPERANTO_CI: number;
+  UTF8MB4_HUNGARIAN_CI: number;
+  UTF8MB4_SINHALA_CI: number;
+  UTF8MB4_GERMAN2_CI: number;
+  UTF8MB4_CROATIAN_CI: number;
+  UTF8MB4_UNICODE_520_CI: number;
+  UTF8MB4_VIETNAMESE_CI: number;
+  GB18030_CHINESE_CI: number;
+  GB18030_BIN: number;
+  GB18030_UNICODE_520_CI: number;
+  /** @deprecated */
+  UTF8_GENERAL50_CI: number;
+  UTF8MB4_0900_AI_CI: number;
+  UTF8MB4_DE_PB_0900_AI_CI: number;
+  UTF8MB4_IS_0900_AI_CI: number;
+  UTF8MB4_LV_0900_AI_CI: number;
+  UTF8MB4_RO_0900_AI_CI: number;
+  UTF8MB4_SL_0900_AI_CI: number;
+  UTF8MB4_PL_0900_AI_CI: number;
+  UTF8MB4_ET_0900_AI_CI: number;
+  UTF8MB4_ES_0900_AI_CI: number;
+  UTF8MB4_SV_0900_AI_CI: number;
+  UTF8MB4_TR_0900_AI_CI: number;
+  UTF8MB4_CS_0900_AI_CI: number;
+  UTF8MB4_DA_0900_AI_CI: number;
+  UTF8MB4_LT_0900_AI_CI: number;
+  UTF8MB4_SK_0900_AI_CI: number;
+  UTF8MB4_ES_TRAD_0900_AI_CI: number;
+  UTF8MB4_LA_0900_AI_CI: number;
+  UTF8MB4_EO_0900_AI_CI: number;
+  UTF8MB4_HU_0900_AI_CI: number;
+  UTF8MB4_HR_0900_AI_CI: number;
+  UTF8MB4_VI_0900_AI_CI: number;
+  UTF8MB4_0900_AS_CS: number;
+  UTF8MB4_DE_PB_0900_AS_CS: number;
+  UTF8MB4_IS_0900_AS_CS: number;
+  UTF8MB4_LV_0900_AS_CS: number;
+  UTF8MB4_RO_0900_AS_CS: number;
+  UTF8MB4_SL_0900_AS_CS: number;
+  UTF8MB4_PL_0900_AS_CS: number;
+  UTF8MB4_ET_0900_AS_CS: number;
+  UTF8MB4_ES_0900_AS_CS: number;
+  UTF8MB4_SV_0900_AS_CS: number;
+  UTF8MB4_TR_0900_AS_CS: number;
+  UTF8MB4_CS_0900_AS_CS: number;
+  UTF8MB4_DA_0900_AS_CS: number;
+  UTF8MB4_LT_0900_AS_CS: number;
+  UTF8MB4_SK_0900_AS_CS: number;
+  UTF8MB4_ES_TRAD_0900_AS_CS: number;
+  UTF8MB4_LA_0900_AS_CS: number;
+  UTF8MB4_EO_0900_AS_CS: number;
+  UTF8MB4_HU_0900_AS_CS: number;
+  UTF8MB4_HR_0900_AS_CS: number;
+  UTF8MB4_VI_0900_AS_CS: number;
+  UTF8MB4_JA_0900_AS_CS: number;
+  UTF8MB4_JA_0900_AS_CS_KS: number;
+  UTF8MB4_0900_AS_CI: number;
+  UTF8MB4_RU_0900_AI_CI: number;
+  UTF8MB4_RU_0900_AS_CS: number;
+  UTF8MB4_ZH_0900_AS_CS: number;
+  UTF8MB4_0900_BIN: number;
+
+  BIG5: number;
+  DEC8: number;
+  CP850: number;
+  HP8: number;
+  KOI8R: number;
+  LATIN1: number;
+  LATIN2: number;
+  SWE7: number;
+  ASCII: number;
+  UJIS: number;
+  SJIS: number;
+  HEBREW: number;
+  TIS620: number;
+  EUCKR: number;
+  KOI8U: number;
+  GB2312: number;
+  GREEK: number;
+  CP1250: number;
+  GBK: number;
+  LATIN5: number;
+  ARMSCII8: number;
+  UTF8: number;
+  UCS2: number;
+  CP866: number;
+  KEYBCS2: number;
+  MACCE: number;
+  MACROMAN: number;
+  CP852: number;
+  LATIN7: number;
+  UTF8MB4: number;
+  CP1251: number;
+  UTF16: number;
+  UTF16LE: number;
+  CP1256: number;
+  CP1257: number;
+  UTF32: number;
+  CP932: number;
+  EUCJPMS: number;
+  GB18030: number;
+  GEOSTD8: number;
+}
+
+/**
+ * Constant `Charsets`.
+ *
+ * Please note that `Charsets` can only be accessed from the `mysql` object and not imported directly.
+ */
+declare const Charsets: Charsets;
+
+export { Charsets };

backend/node_modules/mysql2/typings/mysql/lib/constants/Types.d.ts

@@ -0,0 +1,70 @@
+interface Types {
+  0x00: string;
+  0x01: string;
+  0x02: string;
+  0x03: string;
+  0x04: string;
+  0x05: string;
+  0x06: string;
+  0x07: string;
+  0x08: string;
+  0x09: string;
+  0x0a: string;
+  0x0b: string;
+  0x0c: string;
+  0x0d: string;
+  0x0e: string;
+  0x0f: string;
+  0x10: string;
+  0xf2: string;
+  0xf5: string;
+  0xf6: string;
+  0xf7: string;
+  0xf8: string;
+  0xf9: string;
+  0xfa: string;
+  0xfb: string;
+  0xfc: string;
+  0xfd: string;
+  0xfe: string;
+  0xff: string;
+
+  DECIMAL: number;
+  TINY: number;
+  SHORT: number;
+  LONG: number;
+  FLOAT: number;
+  DOUBLE: number;
+  NULL: number;
+  TIMESTAMP: number;
+  LONGLONG: number;
+  INT24: number;
+  DATE: number;
+  TIME: number;
+  DATETIME: number;
+  YEAR: number;
+  NEWDATE: number;
+  VARCHAR: number;
+  BIT: number;
+  VECTOR: number;
+  JSON: number;
+  NEWDECIMAL: number;
+  ENUM: number;
+  SET: number;
+  TINY_BLOB: number;
+  MEDIUM_BLOB: number;
+  LONG_BLOB: number;
+  BLOB: number;
+  VAR_STRING: number;
+  STRING: number;
+  GEOMETRY: number;
+}
+
+/**
+ * Constant `Types`.
+ *
+ * Please note that `Types` can only be accessed from the `mysql` object and not imported directly.
+ */
+declare const Types: Types;
+
+export { Types };

backend/node_modules/mysql2/typings/mysql/lib/constants/index.d.ts

@@ -0,0 +1,5 @@
+import { Types } from './Types.js';
+import { Charsets } from './Charsets.js';
+import { CharsetToEncoding } from './CharsetToEncoding.js';
+
+export { Types, Charsets, CharsetToEncoding };

backend/node_modules/mysql2/typings/mysql/lib/parsers/ParserCache.d.ts

@@ -0,0 +1,4 @@
+declare function setMaxParserCache(max: number): void;
+declare function clearParserCache(): void;
+
+export { setMaxParserCache, clearParserCache };

backend/node_modules/mysql2/typings/mysql/lib/parsers/index.d.ts

@@ -0,0 +1,18 @@
+import { setMaxParserCache, clearParserCache } from './ParserCache.js';
+import {
+  TypeCast,
+  Field as TypeCastField,
+  Geometry as TypeCastGeometry,
+  Next as TypeCastNext,
+  Type as TypeCastType,
+} from './typeCast.js';
+
+export {
+  setMaxParserCache,
+  clearParserCache,
+  TypeCast,
+  TypeCastField,
+  TypeCastGeometry,
+  TypeCastNext,
+  TypeCastType,
+};

backend/node_modules/mysql2/typings/mysql/lib/parsers/typeCast.d.ts

@@ -0,0 +1,54 @@
+export type Geometry = {
+  x: number;
+  y: number;
+};
+
+export type Type = {
+  type:
+    | 'DECIMAL'
+    | 'TINY'
+    | 'SHORT'
+    | 'LONG'
+    | 'FLOAT'
+    | 'DOUBLE'
+    | 'NULL'
+    | 'TIMESTAMP'
+    | 'TIMESTAMP2'
+    | 'LONGLONG'
+    | 'INT24'
+    | 'DATE'
+    | 'TIME'
+    | 'TIME2'
+    | 'DATETIME'
+    | 'DATETIME2'
+    | 'YEAR'
+    | 'NEWDATE'
+    | 'VARCHAR'
+    | 'BIT'
+    | 'VECTOR'
+    | 'JSON'
+    | 'NEWDECIMAL'
+    | 'ENUM'
+    | 'SET'
+    | 'TINY_BLOB'
+    | 'MEDIUM_BLOB'
+    | 'LONG_BLOB'
+    | 'BLOB'
+    | 'VAR_STRING'
+    | 'STRING'
+    | 'GEOMETRY';
+};
+
+export type Field = Type & {
+  length: number;
+  db: string;
+  table: string;
+  name: string;
+  string: (encoding?: BufferEncoding | string | undefined) => string | null;
+  buffer: () => Buffer | null;
+  geometry: () => Geometry | Geometry[] | null;
+};
+
+export type Next = () => unknown;
+
+export type TypeCast = ((field: Field, next: Next) => any) | boolean;

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/Field.d.ts

@@ -0,0 +1,10 @@
+// TODO (major version): remove workaround for `Field` compatibility.
+import { TypeCastField } from '../../../lib/parsers/index.js';
+
+/**
+ * @deprecated
+ * `Field` is deprecated and might be removed in the future major release. Please use `TypeCastField` type instead.
+ */
+declare interface Field extends TypeCastField {}
+
+export { Field };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/FieldPacket.d.ts

@@ -0,0 +1,27 @@
+declare interface FieldPacket {
+  constructor: {
+    name: 'FieldPacket';
+  };
+  catalog: string;
+  charsetNr?: number;
+  db?: string;
+  schema?: string;
+  characterSet?: number;
+  decimals: number;
+  default?: any;
+  flags: number | string[];
+  length?: number;
+  name: string;
+  orgName: string;
+  orgTable: string;
+  protocol41?: boolean;
+  table: string;
+  type?: number;
+  columnType?: number;
+  zerofill?: boolean;
+  typeName?: string;
+  encoding?: string;
+  columnLength?: number;
+}
+
+export { FieldPacket };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/OkPacket.d.ts

@@ -0,0 +1,23 @@
+/**
+ * @deprecated
+ * `OkPacket` is deprecated and might be removed in the future major release. Please use `ResultSetHeader` instead.
+ */
+declare interface OkPacket {
+  constructor: {
+    name: 'OkPacket';
+  };
+  fieldCount: number;
+  affectedRows: number;
+  /**
+   * @deprecated
+   * `changedRows` is deprecated and might be removed in the future major release. Please use `affectedRows` property instead.
+   */
+  changedRows: number;
+  insertId: number;
+  serverStatus: number;
+  warningCount: number;
+  message: string;
+  protocol41: boolean;
+}
+
+export { OkPacket };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/ProcedurePacket.d.ts

@@ -0,0 +1,13 @@
+import { OkPacket } from './OkPacket.js';
+import { ResultSetHeader } from './ResultSetHeader.js';
+import { RowDataPacket } from './RowDataPacket.js';
+
+declare type ProcedureCallPacket<
+  T = [RowDataPacket[], ResultSetHeader] | ResultSetHeader,
+> = T extends RowDataPacket[]
+  ? [T, ResultSetHeader]
+  : T extends ResultSetHeader | OkPacket
+    ? ResultSetHeader
+    : [RowDataPacket[], ResultSetHeader] | ResultSetHeader;
+
+export { ProcedureCallPacket };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/ResultSetHeader.d.ts

@@ -0,0 +1,18 @@
+declare interface ResultSetHeader {
+  constructor: {
+    name: 'ResultSetHeader';
+  };
+  affectedRows: number;
+  fieldCount: number;
+  info: string;
+  insertId: number;
+  serverStatus: number;
+  warningStatus: number;
+  /**
+   * @deprecated
+   * `changedRows` is deprecated and might be removed in the future major release. Please use `affectedRows` property instead.
+   */
+  changedRows: number;
+}
+
+export { ResultSetHeader };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/RowDataPacket.d.ts

@@ -0,0 +1,9 @@
+declare interface RowDataPacket {
+  constructor: {
+    name: 'RowDataPacket';
+  };
+  [column: string]: any;
+  [column: number]: any;
+}
+
+export { RowDataPacket };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/index.d.ts

@@ -0,0 +1,28 @@
+import { OkPacket } from './OkPacket.js';
+import { RowDataPacket } from './RowDataPacket.js';
+import { FieldPacket } from './FieldPacket.js';
+import { Field } from './Field.js';
+import { ProcedureCallPacket } from './ProcedurePacket.js';
+import { ResultSetHeader } from './ResultSetHeader.js';
+import { OkPacketParams } from './params/OkPacketParams.js';
+import { ErrorPacketParams } from './params/ErrorPacketParams.js';
+
+export type QueryResult =
+  | OkPacket
+  | ResultSetHeader
+  | ResultSetHeader[]
+  | RowDataPacket[]
+  | RowDataPacket[][]
+  | OkPacket[]
+  | ProcedureCallPacket;
+
+export {
+  OkPacket,
+  RowDataPacket,
+  FieldPacket,
+  Field,
+  ProcedureCallPacket,
+  ResultSetHeader,
+  OkPacketParams,
+  ErrorPacketParams,
+};

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/params/ErrorPacketParams.d.ts

@@ -0,0 +1,6 @@
+declare interface ErrorPacketParams {
+  message?: string;
+  code?: number | string;
+}
+
+export { ErrorPacketParams };

backend/node_modules/mysql2/typings/mysql/lib/protocol/packets/params/OkPacketParams.d.ts

@@ -0,0 +1,9 @@
+declare interface OkPacketParams {
+  affectedRows?: number;
+  insertId?: number;
+  serverStatus?: number;
+  warningCount?: number;
+  message?: string;
+}
+
+export { OkPacketParams };

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/ExecutableBase.d.ts

@@ -0,0 +1,40 @@
+import { FieldPacket, QueryResult } from '../packets/index.js';
+import {
+  Query,
+  QueryError,
+  QueryOptions,
+  QueryableConstructor,
+} from './Query.js';
+
+export declare function ExecutableBase<T extends QueryableConstructor>(
+  Base?: T
+): {
+  new (...args: any[]): {
+    execute<T extends QueryResult>(
+      sql: string,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    execute<T extends QueryResult>(
+      sql: string,
+      values: any,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    execute<T extends QueryResult>(
+      options: QueryOptions,
+      callback?:
+        | ((err: QueryError | null, result: T, fields?: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    execute<T extends QueryResult>(
+      options: QueryOptions,
+      values: any,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+  };
+} & T;

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/Prepare.d.ts

@@ -0,0 +1,65 @@
+import { Sequence } from './Sequence.js';
+import { Query, QueryError, StreamOptions } from '../sequences/Query.js';
+import {
+  OkPacket,
+  FieldPacket,
+  RowDataPacket,
+  ResultSetHeader,
+} from '../packets/index.js';
+import { Readable } from 'stream';
+
+export class PrepareStatementInfo {
+  close(): void;
+  execute<
+    T extends
+      | RowDataPacket[][]
+      | RowDataPacket[]
+      | OkPacket
+      | OkPacket[]
+      | ResultSetHeader,
+  >(
+    parameters: any | any[] | { [param: string]: any },
+    callback?: (err: QueryError | null, result: T, fields: FieldPacket[]) => any
+  ): Query;
+}
+
+declare class Prepare extends Sequence {
+  /**
+   * The SQL for a constructed query
+   */
+  sql: string;
+
+  /**
+   * Emits a query packet to start the query
+   */
+  start(): void;
+
+  /**
+   * Determines the packet class to use given the first byte of the packet.
+   *
+   * @param firstByte The first byte of the packet
+   * @param parser The packet parser
+   */
+  determinePacket(firstByte: number, parser: any): any;
+
+  /**
+   * Creates a Readable stream with the given options
+   *
+   * @param options The options for the stream.
+   */
+  stream(options?: StreamOptions): Readable;
+
+  on(event: string, listener: (args: []) => void): this;
+  on(event: 'error', listener: (err: QueryError) => any): this;
+  on(
+    event: 'fields',
+    listener: (fields: FieldPacket, index: number) => any
+  ): this;
+  on(
+    event: 'result',
+    listener: (result: RowDataPacket | OkPacket, index: number) => any
+  ): this;
+  on(event: 'end', listener: () => any): this;
+}
+
+export { Prepare };

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/Query.d.ts

@@ -0,0 +1,170 @@
+import { Sequence } from './Sequence.js';
+import { OkPacket, RowDataPacket, FieldPacket } from '../packets/index.js';
+import { Readable } from 'stream';
+import { TypeCast } from '../../parsers/typeCast.js';
+
+export interface QueryOptions {
+  /**
+   * The SQL for the query
+   */
+  sql: string;
+
+  /**
+   * The values for the query
+   */
+  values?: any | any[] | { [param: string]: any };
+
+  /**
+   * This overrides the namedPlaceholders option set at the connection level.
+   */
+  namedPlaceholders?: boolean;
+
+  /**
+   * Every operation takes an optional inactivity timeout option. This allows you to specify appropriate timeouts for
+   * operations. It is important to note that these timeouts are not part of the MySQL protocol, and rather timeout
+   * operations through the client. This means that when a timeout is reached, the connection it occurred on will be
+   * destroyed and no further operations can be performed.
+   */
+  timeout?: number;
+
+  /**
+   * Either a boolean or string. If true, tables will be nested objects. If string (e.g. '_'), tables will be
+   * nested as tableName_fieldName
+   */
+  nestTables?: any;
+
+  /**
+   * Determines if column values should be converted to native JavaScript types.
+   *
+   * @default true
+   *
+   * It is not recommended (and may go away / change in the future) to disable type casting, but you can currently do so on either the connection or query level.
+   *
+   * ---
+   *
+   * You can also specify a function to do the type casting yourself:
+   * ```ts
+   * (field: Field, next: () => unknown) => {
+   *   return next();
+   * }
+   * ```
+   *
+   * ---
+   *
+   * **WARNING:**
+   *
+   * YOU MUST INVOKE the parser using one of these three field functions in your custom typeCast callback. They can only be called once:
+   *
+   * ```js
+   * field.string();
+   * field.buffer();
+   * field.geometry();
+   * ```
+
+   * Which are aliases for:
+   *
+   * ```js
+   * parser.parseLengthCodedString();
+   * parser.parseLengthCodedBuffer();
+   * parser.parseGeometryValue();
+   * ```
+   *
+   * You can find which field function you need to use by looking at `RowDataPacket.prototype._typeCast`.
+   */
+  typeCast?: TypeCast;
+
+  /**
+   * This overrides the same option set at the connection level.
+   *
+   */
+  rowsAsArray?: boolean;
+
+  /**
+   * By specifying a function that returns a readable stream, an arbitrary stream can be sent when sending a local fs file.
+   */
+  infileStreamFactory?: (path: string) => Readable;
+}
+
+export interface StreamOptions {
+  /**
+   * Sets the max buffer size in objects of a stream
+   */
+  highWaterMark?: number;
+
+  /**
+   * The object mode of the stream (Default: true)
+   */
+  objectMode?: any;
+}
+
+export interface QueryError extends NodeJS.ErrnoException {
+  /**
+   * Either a MySQL server error (e.g. 'ER_ACCESS_DENIED_ERROR'),
+   * a node.js error (e.g. 'ECONNREFUSED') or an internal error
+   * (e.g. 'PROTOCOL_CONNECTION_LOST').
+   */
+  code: string;
+
+  /**
+   * The sql state marker
+   */
+  sqlStateMarker?: string;
+
+  /**
+   * The sql state
+   */
+  sqlState?: string;
+
+  /**
+   * The field count
+   */
+  fieldCount?: number;
+
+  /**
+   * Boolean, indicating if this error is terminal to the connection object.
+   */
+  fatal: boolean;
+}
+
+declare class Query extends Sequence {
+  /**
+   * The SQL for a constructed query
+   */
+  sql: string;
+
+  /**
+   * Emits a query packet to start the query
+   */
+  start(): void;
+
+  /**
+   * Determines the packet class to use given the first byte of the packet.
+   *
+   * @param firstByte The first byte of the packet
+   * @param parser The packet parser
+   */
+  determinePacket(firstByte: number, parser: any): any;
+
+  /**
+   * Creates a Readable stream with the given options
+   *
+   * @param options The options for the stream.
+   */
+  stream(options?: StreamOptions): Readable;
+
+  on(event: string, listener: (...args: any[]) => void): this;
+  on(event: 'error', listener: (err: QueryError) => any): this;
+  on(
+    event: 'fields',
+    listener: (fields: FieldPacket, index: number) => any
+  ): this;
+  on(
+    event: 'result',
+    listener: (result: RowDataPacket | OkPacket, index: number) => any
+  ): this;
+  on(event: 'end', listener: () => any): this;
+}
+
+export type QueryableConstructor<T = object> = new (...args: any[]) => T;
+
+export { Query };

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/QueryableBase.d.ts

@@ -0,0 +1,40 @@
+import { FieldPacket, QueryResult } from '../packets/index.js';
+import {
+  Query,
+  QueryError,
+  QueryOptions,
+  QueryableConstructor,
+} from './Query.js';
+
+export declare function QueryableBase<T extends QueryableConstructor>(
+  Base?: T
+): {
+  new (...args: any[]): {
+    query<T extends QueryResult>(
+      sql: string,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    query<T extends QueryResult>(
+      sql: string,
+      values: any,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    query<T extends QueryResult>(
+      options: QueryOptions,
+      callback?:
+        | ((err: QueryError | null, result: T, fields?: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+    query<T extends QueryResult>(
+      options: QueryOptions,
+      values: any,
+      callback?:
+        | ((err: QueryError | null, result: T, fields: FieldPacket[]) => any)
+        | undefined
+    ): Query;
+  };
+} & T;

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/Sequence.d.ts

@@ -0,0 +1,5 @@
+import { EventEmitter } from 'events';
+
+declare class Sequence extends EventEmitter {}
+
+export { Sequence };

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/promise/ExecutableBase.d.ts

@@ -0,0 +1,21 @@
+import { FieldPacket, QueryResult } from '../../packets/index.js';
+import { QueryOptions, QueryableConstructor } from '../Query.js';
+
+export declare function ExecutableBase<T extends QueryableConstructor>(
+  Base?: T
+): {
+  new (...args: any[]): {
+    execute<T extends QueryResult>(sql: string): Promise<[T, FieldPacket[]]>;
+    execute<T extends QueryResult>(
+      sql: string,
+      values: any
+    ): Promise<[T, FieldPacket[]]>;
+    execute<T extends QueryResult>(
+      options: QueryOptions
+    ): Promise<[T, FieldPacket[]]>;
+    execute<T extends QueryResult>(
+      options: QueryOptions,
+      values: any
+    ): Promise<[T, FieldPacket[]]>;
+  };
+} & T;

backend/node_modules/mysql2/typings/mysql/lib/protocol/sequences/promise/QueryableBase.d.ts

@@ -0,0 +1,21 @@
+import { FieldPacket, QueryResult } from '../../packets/index.js';
+import { QueryOptions, QueryableConstructor } from '../Query.js';
+
+export declare function QueryableBase<T extends QueryableConstructor>(
+  Base?: T
+): {
+  new (...args: any[]): {
+    query<T extends QueryResult>(sql: string): Promise<[T, FieldPacket[]]>;
+    query<T extends QueryResult>(
+      sql: string,
+      values: any
+    ): Promise<[T, FieldPacket[]]>;
+    query<T extends QueryResult>(
+      options: QueryOptions
+    ): Promise<[T, FieldPacket[]]>;
+    query<T extends QueryResult>(
+      options: QueryOptions,
+      values: any
+    ): Promise<[T, FieldPacket[]]>;
+  };
+} & T;