chore: 完善模組化架構遷移與修復前端顯示錯誤

- 修正所有模組 Controller 的 Model 引用路徑 (App\Modules\...)
- 更新 ProductionOrder 與 ProductionOrderItem 模型結構以符合新版邏輯
- 修復 resources/js/utils/format.ts 在處理空值時導致 toLocaleString 崩潰的問題
- 清除全域路徑與 Controller 遷移殘留檔案

app/Modules/Production/Routes/web.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+use App\Modules\Production\Controllers\ProductionOrderController;
+
+Route::middleware('auth')->group(function () {
+    // 生產管理
+    Route::middleware('permission:production_orders.view')->group(function () {
+        Route::get('/production-orders', [ProductionOrderController::class, 'index'])->name('production-orders.index');
+        
+        Route::middleware('permission:production_orders.create')->group(function () {
+            Route::get('/production-orders/create', [ProductionOrderController::class, 'create'])->name('production-orders.create');
+            Route::post('/production-orders', [ProductionOrderController::class, 'store'])->name('production-orders.store');
+        });
+        
+        Route::get('/production-orders/{productionOrder}', [ProductionOrderController::class, 'show'])->name('production-orders.show');
+        
+        Route::middleware('permission:production_orders.edit')->group(function () {
+            Route::get('/production-orders/{productionOrder}/edit', [ProductionOrderController::class, 'edit'])->name('production-orders.edit');
+            Route::put('/production-orders/{productionOrder}', [ProductionOrderController::class, 'update'])->name('production-orders.update');
+        });
+    });
+
+    // 生產管理 API
+    Route::get('/api/production/warehouses/{warehouse}/inventories', [ProductionOrderController::class, 'getWarehouseInventories'])
+        ->middleware('permission:production_orders.create')
+        ->name('api.production.warehouses.inventories');
+});