feat(tui): TUI für Produktionsauftrag-Freigabe, Bestandsreservierung und Reservierungs-Freigabe

- ProductionOrderCreateScreen: Nach Anlage Freigabe per [F] mit Statusanzeige
- StockDetailScreen: Reservierungen-Tabelle, Menü für Reservieren/Freigeben
- ReserveStockScreen: Neues Formular (Referenztyp, Referenz-ID, Menge, Einheit, Priorität)
- API-Client: release(), reserveStock(), releaseReservation() Methoden
- Hooks: releaseProductionOrder(), reserveStock(), releaseReservation()
- Types: ReservationDTO, StockBatchAllocationDTO, ReserveStockRequest exportiert
- DB: Migration 027 erweitert chk_production_order_status um RELEASED

frontend/packages/api-client/src/index.ts

@@ -108,6 +108,9 @@ export type {
   RemoveStockBatchRequest,
   BlockStockBatchRequest,
   MinimumLevelDTO,
+  ReservationDTO,
+  StockBatchAllocationDTO,
+  ReserveStockRequest,
 } from '@effigenix/types';
 
 // Resource types (runtime, stay in resource files)
@@ -137,8 +140,8 @@ export type { BatchesResource, BatchStatus } from './resources/batches.js';
 export { BATCH_STATUS_LABELS } from './resources/batches.js';
 export type { ProductionOrdersResource, Priority } from './resources/production-orders.js';
 export { PRIORITY_LABELS } from './resources/production-orders.js';
-export type { StocksResource, BatchType, StockBatchStatus, StockFilter } from './resources/stocks.js';
-export { BATCH_TYPE_LABELS, STOCK_BATCH_STATUS_LABELS } from './resources/stocks.js';
+export type { StocksResource, BatchType, StockBatchStatus, StockFilter, ReferenceType, ReservationPriority } from './resources/stocks.js';
+export { BATCH_TYPE_LABELS, STOCK_BATCH_STATUS_LABELS, REFERENCE_TYPE_LABELS, RESERVATION_PRIORITY_LABELS } from './resources/stocks.js';
 
 import { createApiClient } from './client.js';
 import { createAuthResource } from './resources/auth.js';

frontend/packages/api-client/src/resources/production-orders.ts

@@ -22,6 +22,11 @@ export function createProductionOrdersResource(client: AxiosInstance) {
       const res = await client.post<ProductionOrderDTO>(BASE, request);
       return res.data;
     },
+
+    async release(id: string): Promise<ProductionOrderDTO> {
+      const res = await client.post<ProductionOrderDTO>(`${BASE}/${id}/release`);
+      return res.data;
+    },
   };
 }
 

frontend/packages/api-client/src/resources/stocks.ts

@@ -10,6 +10,8 @@ import type {
   UpdateStockRequest,
   RemoveStockBatchRequest,
   BlockStockBatchRequest,
+  ReservationDTO,
+  ReserveStockRequest,
 } from '@effigenix/types';
 
 export type BatchType = 'PURCHASED' | 'PRODUCED';
@@ -28,6 +30,23 @@ export const STOCK_BATCH_STATUS_LABELS: Record<StockBatchStatus, string> = {
   BLOCKED: 'Gesperrt',
 };
 
+export type ReferenceType = 'PRODUCTION_ORDER' | 'SALES_ORDER' | 'TRANSFER';
+
+export const REFERENCE_TYPE_LABELS: Record<ReferenceType, string> = {
+  PRODUCTION_ORDER: 'Produktionsauftrag',
+  SALES_ORDER: 'Kundenauftrag',
+  TRANSFER: 'Umlagerung',
+};
+
+export type ReservationPriority = 'LOW' | 'NORMAL' | 'HIGH' | 'URGENT';
+
+export const RESERVATION_PRIORITY_LABELS: Record<ReservationPriority, string> = {
+  LOW: 'Niedrig',
+  NORMAL: 'Normal',
+  HIGH: 'Hoch',
+  URGENT: 'Dringend',
+};
+
 export type {
   StockDTO,
   StockBatchDTO,
@@ -37,6 +56,8 @@ export type {
   UpdateStockRequest,
   RemoveStockBatchRequest,
   BlockStockBatchRequest,
+  ReservationDTO,
+  ReserveStockRequest,
 };
 
 export interface StockFilter {
@@ -89,6 +110,15 @@ export function createStocksResource(client: AxiosInstance) {
     async unblockBatch(stockId: string, batchId: string): Promise<void> {
       await client.post(`${BASE}/${stockId}/batches/${batchId}/unblock`);
     },
+
+    async reserveStock(stockId: string, request: ReserveStockRequest): Promise<ReservationDTO> {
+      const res = await client.post<ReservationDTO>(`${BASE}/${stockId}/reservations`, request);
+      return res.data;
+    },
+
+    async releaseReservation(stockId: string, reservationId: string): Promise<void> {
+      await client.delete(`${BASE}/${stockId}/reservations/${reservationId}`);
+    },
   };
 }