feat: add support for license validity defined in days alongside months

libs/api/src/lib/features/licensing/licensing-api.ts

@@ -227,6 +227,7 @@ export const licensingApi = baseApi
           requiresValidMedical?: boolean;
           minSeaTimeDays?: number | null;
           validityMonths?: number;
+          validityDays?: number | null;
           capitalThreshold?: number | null;
           renewalWindowDays?: number;
           expiryReminderDays?: number[];

libs/api/src/lib/features/licensing/licensing.types.ts

@@ -187,6 +187,11 @@ export interface LicenseType {
   feeCurrency: string;
   capitalThreshold: string | number | null;
   validityMonths: number;
+  /**
+   * A term in days instead of months, for licences shorter than a month can
+   * express. Wins over `validityMonths` when set; null keeps calendar months.
+   */
+  validityDays?: number | null;
   /**
    * Target turnaround in hours. Null means this type is not tracked against
    * an SLA, which the grid renders as "—" rather than as instantly overdue.