feat(access-policies): Allow policy limits on access request times

backend/src/db/migrations/20250808021941_access-policy-max-time-period.ts

@@ -0,0 +1,19 @@
+import { Knex } from "knex";
+
+import { TableName } from "../schemas/models";
+
+export async function up(knex: Knex): Promise<void> {
+  if (!(await knex.schema.hasColumn(TableName.AccessApprovalPolicy, "maxTimePeriod"))) {
+    await knex.schema.alterTable(TableName.AccessApprovalPolicy, (t) => {
+      t.string("maxTimePeriod").nullable(); // Ex: 1h - Null is permanent
+    });
+  }
+}
+
+export async function down(knex: Knex): Promise<void> {
+  if (await knex.schema.hasColumn(TableName.AccessApprovalPolicy, "maxTimePeriod")) {
+    await knex.schema.alterTable(TableName.AccessApprovalPolicy, (t) => {
+      t.dropColumn("maxTimePeriod");
+    });
+  }
+}

backend/src/db/schemas/access-approval-policies.ts

@@ -17,7 +17,8 @@ export const AccessApprovalPoliciesSchema = z.object({
   updatedAt: z.date(),
   enforcementLevel: z.string().default("hard"),
   deletedAt: z.date().nullable().optional(),
-  allowedSelfApprovals: z.boolean().default(true)
+  allowedSelfApprovals: z.boolean().default(true),
+  maxTimePeriod: z.string().nullable().optional()
 });
 
 export type TAccessApprovalPolicies = z.infer<typeof AccessApprovalPoliciesSchema>;