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/Core/Controllers/ProfileController.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Modules\Core\Controllers;
+
+use App\Http\Controllers\Controller;
+
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Validation\Rules\Password;
+use Inertia\Inertia;
+
+class ProfileController extends Controller
+{
+    /**
+     * 顯示使用者設定頁面
+     */
+    public function edit(Request $request)
+    {
+        return Inertia::render('Profile/Edit', [
+            'user' => $request->user(),
+        ]);
+    }
+
+    /**
+     * 更新使用者基本資料
+     */
+    public function update(Request $request)
+    {
+        $validated = $request->validate([
+            'name' => ['required', 'string', 'max:255'],
+            'username' => ['required', 'string', 'max:255', 'unique:users,username,' . $request->user()->id],
+            'email' => ['nullable', 'string', 'email', 'max:255', 'unique:users,email,' . $request->user()->id],
+        ]);
+
+        $request->user()->update($validated);
+
+        return back()->with('success', '個人資料已更新');
+    }
+
+    /**
+     * 更新密碼
+     */
+    public function updatePassword(Request $request)
+    {
+        $validated = $request->validate([
+            'current_password' => ['required', 'current_password'],
+            'password' => ['required', 'confirmed', Password::defaults()],
+        ]);
+
+        $request->user()->update([
+            'password' => Hash::make($validated['password']),
+        ]);
+
+        return back()->with('success', '密碼已更新');
+    }
+}