fix(food): 修复并发竞态、双重刷新及搜索态丢失问题

- FoodListFragment：添加 currentJob 取消机制，防止快速切换时旧请求覆盖新数据
- FoodListFragment：缓存 currentFoodName，返回二级页面后 onResume 复用搜索词
- CookingModeActivity：RadioGroup+RadioButton 替换为 LinearLayout+CheckedTextView
- CookingModeActivity：新增 selectTab() 统一管理选中态，内置幂等保护
- CookingModeActivity：重构 onNewIntent，消除切换餐次时 getDishList 被双重调用的问题
- VectorCollectionFragment：Error/Success 消费后重置 StateFlow，防止 replay 导致 toast 重复弹出

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/src/main/java/com/shuwei/dish/match/ui/CookingModeActivity.kt

@@ -97,17 +97,9 @@ class CookingModeActivity : BaseActivity() {
     private var isClearingByTabSwitch = false
 
     private fun addViewListener() {
-        binding.dishRadioGroup.setOnCheckedChangeListener { _, checkedId ->
-            dinnerType = when (checkedId) {
-                R.id.rbBreakfast -> "1"
-                R.id.rbLunch -> "2"
-                R.id.rbDinner -> "3"
-                else -> "1"
-            }
-            // 切换餐次时清空搜索框，避免用户误以为列表是被过滤的状态
-            clearSearchText()
-            loadFragment()
-        }
+        binding.tvBreakfast.setOnClickListener { selectTab("1") }
+        binding.tvLunch.setOnClickListener { selectTab("2") }
+        binding.tvDinner.setOnClickListener { selectTab("3") }
         binding.etInputDish.addOnActionSearchListener {
             jumpSearch()
         }
@@ -122,6 +114,20 @@ class CookingModeActivity : BaseActivity() {
         })
     }
 
+    /**
+     * 切换餐次 Tab：更新选中态、清空搜索框、切换 Fragment
+     * 由点击事件调用，不触发额外的 getDishList()，由 onHiddenChanged 负责刷新
+     */
+    private fun selectTab(type: String) {
+        if (dinnerType == type) return
+        dinnerType = type
+        binding.tvBreakfast.isChecked = type == "1"
+        binding.tvLunch.isChecked = type == "2"
+        binding.tvDinner.isChecked = type == "3"
+        clearSearchText()
+        loadFragment()
+    }
+
     /** 获取当前显示的 FoodListFragment */
     private fun currentFragment(): FoodListFragment? {
         return runCatching { fragmentList[dinnerType.toInt() - 1] }.getOrNull()
@@ -169,16 +175,15 @@ class CookingModeActivity : BaseActivity() {
             if (isConfigPage) {
                 return
             }
-            //val isCooking = intent.getBooleanExtra(IS_COOKING, false)
             val lastDinnerType = intent.getStringExtra(DINNER_TYPE) ?: "0"
-            if (lastDinnerType == "1" || lastDinnerType == "2" || lastDinnerType == "3") {
+            if (lastDinnerType !in listOf("1", "2", "3")) return
+            if (lastDinnerType == dinnerType) {
+                // 同一 Tab：onHiddenChanged 不会触发，直接刷新
                 clearSearchText()
-                fragmentList.getOrNull(lastDinnerType.toInt() - 1)?.getDishList(1, lastDinnerType)
-            }
-            when (lastDinnerType) {
-                "1" -> binding.dishRadioGroup.check(R.id.rbBreakfast)
-                "2" -> binding.dishRadioGroup.check(R.id.rbLunch)
-                "3" -> binding.dishRadioGroup.check(R.id.rbDinner)
+                currentFragment()?.getDishList(1, lastDinnerType)
+            } else {
+                // 不同 Tab：selectTab → loadFragment → show → onHiddenChanged 负责刷新，无需直接调用
+                selectTab(lastDinnerType)
             }
         }.onFailure {
             it.printStackTrace()

app/src/main/java/com/shuwei/dish/match/ui/fragment/FoodListFragment.kt

@@ -30,6 +30,7 @@ import com.yanzhenjie.recyclerview.SwipeMenuItem
 import androidx.fragment.app.viewModels
 import kotlinx.coroutines.Dispatchers
 import java.io.Serializable
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
@@ -55,6 +56,12 @@ class FoodListFragment : BaseFragment<FragmentFoodListBinding>() {
 
     private var dinnerType = "0"
 
+    /** 跟踪当前请求协程，新请求发起前取消旧的，防止并发竞态导致数据错乱 */
+    private var currentJob: Job? = null
+
+    /** 缓存最后一次搜索词，返回二级页面后 onResume 可复用，避免搜索态被重置为全量查询 */
+    private var currentFoodName: String? = null
+
     private lateinit var activity: CookingModeActivity
 
     /** 第一页时先查数据库存入此字段，网络结果回来后直接使用，避免时序问题 */
@@ -140,7 +147,7 @@ class FoodListFragment : BaseFragment<FragmentFoodListBinding>() {
         super.onResume()
         runCatching {
             pageNo = 1
-            getDishList()
+            getDishList(currentFoodName)
         }.onFailure {
             it.printStackTrace()
         }
@@ -200,7 +207,9 @@ class FoodListFragment : BaseFragment<FragmentFoodListBinding>() {
     @SuppressLint("NotifyDataSetChanged")
     @Suppress("unchecked_cast")
     fun getDishList(foodName: String? = null) {
-        viewLifecycleOwner.lifecycleScope.launch {
+        currentFoodName = foodName
+        currentJob?.cancel()
+        currentJob = viewLifecycleOwner.lifecycleScope.launch {
             val param = mutableMapOf<String, Any>(
                 "pageNum" to pageNo,
                 "pageSize" to pageSize,

app/src/main/res/layout/activity_cooking_mode.xml

@@ -6,59 +6,62 @@
     android:orientation="vertical"
     tools:background="@drawable/bg_other_page">
 
-    <RadioGroup
-        android:id="@+id/dishRadioGroup"
+    <LinearLayout
+        android:id="@+id/llDishTabs"
         android:layout_width="match_parent"
         android:layout_height="88dp"
         android:layout_marginTop="15dp"
         android:orientation="horizontal">
 
-        <RadioButton
-            android:id="@+id/rbBreakfast"
+        <CheckedTextView
+            android:id="@+id/tvBreakfast"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_marginStart="30dp"
             android:layout_weight="1"
             android:background="@drawable/breakfast_bg"
-            android:button="@null"
+            android:checkMark="@null"
             android:checked="true"
             android:gravity="center"
+            android:textAlignment="center"
             android:text="@string/text_breakfast"
             android:textColor="@color/breakfast_font"
             android:textSize="30sp"
             android:textStyle="bold" />
 
-        <RadioButton
-            android:id="@+id/rbLunch"
+        <CheckedTextView
+            android:id="@+id/tvLunch"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_marginStart="9dp"
             android:layout_weight="1"
             android:background="@drawable/breakfast_bg"
-            android:button="@null"
+            android:checkMark="@null"
             android:checked="false"
             android:gravity="center"
+            android:textAlignment="center"
             android:text="@string/text_lunch"
             android:textColor="@color/breakfast_font"
             android:textSize="30sp"
             android:textStyle="bold" />
 
-        <RadioButton
-            android:id="@+id/rbDinner"
+        <CheckedTextView
+            android:id="@+id/tvDinner"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:layout_marginStart="9dp"
             android:layout_marginEnd="30dp"
             android:layout_weight="1"
             android:background="@drawable/breakfast_bg"
-            android:button="@null"
+            android:checkMark="@null"
             android:checked="false"
             android:gravity="center"
+            android:textAlignment="center"
             android:text="@string/text_dinner"
             android:textColor="@color/breakfast_font"
             android:textSize="30sp"
             android:textStyle="bold" />
-    </RadioGroup>
+    </LinearLayout>
 
     <LinearLayout
         android:id="@+id/llSearchBar"