Function resolveSourceConfigs

src/config/env.ts:656–763

()

 * Returns array of source configs and the source of the configuration
 */
export async function resolveSourceConfigs(): Promise<{ sources: SourceConfig[]; tools?: import("../types/config.js").ToolConfig[]; source: string } | null> {
  // 1. Try loading from TOML configuration file (skip if --demo flag is set)
  if (!isDemoMode()) {
    const tomlConfig = loadTomlConfig();
    if (tomlConfig) {
      // Validate that --id flag is not used with TOML config
      const idData = resolveId();
      if (idData) {
        throw new Error(
          "The --id flag cannot be used with TOML configuration. " +
          "TOML config defines source IDs directly. " +
          "Either remove the --id flag or use command-line DSN configuration instead."
        );
      }
      // Note: --readonly flag is deprecated but no longer blocks TOML usage
      // The warning is shown in isReadOnlyMode() function
      return tomlConfig;
    }
  }

  // 2. Fallback to single DSN configuration (including demo mode)
  const dsnResult = resolveDSN();
  if (dsnResult) {
    // Parse DSN to extract database type
    let dsnUrl: SafeURL;
    try {
      dsnUrl = new SafeURL(dsnResult.dsn);
    } catch (error) {
      throw new Error(
        `Invalid DSN format: ${dsnResult.dsn}. Expected format: protocol://[user[:password]@]host[:port]/database`
      );
    }

    const protocol = dsnUrl.protocol.replace(':', '');

    // Map protocol to database type
    let dbType: "postgres" | "mysql" | "mariadb" | "sqlserver" | "sqlite";
    if (protocol === 'postgresql' || protocol === 'postgres') {
      dbType = 'postgres';
    } else if (protocol === 'mysql') {
      dbType = 'mysql';
    } else if (protocol === 'mariadb') {
      dbType = 'mariadb';
    } else if (protocol === 'sqlserver') {
      dbType = 'sqlserver';
    } else if (protocol === 'sqlite') {
      dbType = 'sqlite';
    } else {
      throw new Error(`Unsupported database type in DSN: ${protocol}`);
    }

    // Get --id flag value (if specified) to use as source ID
    // If not specified, use "default" (which will result in no tool name suffix)
    const idData = resolveId();
    const sourceId = idData?.id || "default";

    // Create a single source config from the resolved DSN
    const source: SourceConfig = {