Enhance overview and train scheduling features

- Updated OverviewContractsTabPanel to include a new donut chart for freight type distribution.
- Modified OverviewOperationsTabPanel to improve data visualization with additional charts and refactored data handling.
- Introduced CreateScheduleWindowFields component for configuring booking windows in train scheduling.
- Added new API endpoints for allocation candidates and booking allocation in trainScheduling.service.
- Enhanced BookingRequestsPage to support allocation of paid bookings with a modal for selecting alternative dates.
- Updated QUERY_KEYS and URLS constants to accommodate new operations and features.
- Improved type definitions for overview and train scheduling to support new functionalities.

apps/edr-freight-api/src/migrations/3200000000000-AddScheduleWindowRuleCustom.ts

@@ -0,0 +1,28 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+/**
+ * Marks a train schedule whose booking-window rule was configured by staff at
+ * creation rather than inherited from the live global rules.
+ *
+ * Without this flag `restampPendingWindows` — which re-derives EVERY still
+ * PRE_WINDOW schedule from the current global config after a global-rules edit —
+ * would silently overwrite those hand-picked settings, which is precisely what
+ * the per-schedule configuration exists to prevent.
+ *
+ * Defaults false, so every existing schedule keeps following the global rules.
+ */
+export class AddScheduleWindowRuleCustom3200000000000 implements MigrationInterface {
+  name = 'AddScheduleWindowRuleCustom3200000000000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "freight"."train_schedules" ADD COLUMN IF NOT EXISTS "window_rule_custom" boolean NOT NULL DEFAULT false`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "freight"."train_schedules" DROP COLUMN IF EXISTS "window_rule_custom"`,
+    );
+  }
+}