Add migration to widen window_duration_hours precision and update related components for duration handling

apps/edr-freight-api/src/migrations/1910000000000-WidenWindowDurationHoursPrecision.ts

@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Widen train_scheduling_global_rules.window_duration_hours from numeric(4,2)
+ * to numeric(6,4). The UI now lets staff enter the booking-window duration in
+ * minutes / hours / days and converts to the column's native hours unit; a
+ * 4-minute window is 0.0667h, which numeric(4,2) rounds to 0.07 (≈3.96 min).
+ * Four decimals store sub-minute durations exactly (0.0667h → 4.00 min).
+ */
+export class WidenWindowDurationHoursPrecision1910000000000
+  implements MigrationInterface
+{
+  name = "WidenWindowDurationHoursPrecision1910000000000";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.train_scheduling_global_rules
+        ALTER COLUMN window_duration_hours TYPE numeric(6, 4);
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.train_scheduling_global_rules
+        ALTER COLUMN window_duration_hours TYPE numeric(4, 2);
+    `);
+  }
+}