Method validateRequiredParams

src/node/services/coderService.ts:848–873

* Validate that all required params have values (either from preset or defaults). * Throws if any required param is missing a value.

(
    allParams: Array<{
      name: string;
      defaultValue: string;
      type: string;
      ephemeral: boolean;
      required: boolean;
    }>,
    coveredByPreset: Set<string>
  )

   * Throws if any required param is missing a value.
   */
  validateRequiredParams(
    allParams: Array<{
      name: string;
      defaultValue: string;
      type: string;
      ephemeral: boolean;
      required: boolean;
    }>,
    coveredByPreset: Set<string>
  ): void {
    const missing: string[] = [];

    for (const p of allParams) {
      if (p.ephemeral) continue;
      if (p.required && !p.defaultValue && !coveredByPreset.has(p.name)) {
        missing.push(p.name);
      }
    }

    if (missing.length > 0) {
      throw new Error(
        `Required template parameters missing values: ${missing.join(", ")}. ` +
          `Select a preset that provides these values or contact your template admin.`
      );
    }
  }

  /**
   * List available Coder templates.