refactor(viewmodel): 修复 loadSeasoning 防重入缺陷并移除 BaseActivity 网络包装方法

- AppViewModel.loadSeasoning 用 Mutex 替换 isProcessing 标志位，避免异常时状态永久锁死
- 删除 BaseActivity 中 queryGoodsList / querySeasoningList 包装方法，减少隐式依赖
- FoodSearchDialog / SeasoningSearchDialog 改为直接调用 activity.netViewModel.xxx()

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

app/src/main/java/com/shuwei/dish/match/base/BaseActivity.kt

@@ -21,8 +21,6 @@ import androidx.core.view.WindowInsetsControllerCompat
 import com.shuwei.dish.match.R
 import com.shuwei.dish.match.databinding.ActivityBaseBinding
 import com.shuwei.dish.match.dialog.Loading
-import com.shuwei.dish.match.entity.CookFoodGoodsEntity
-import com.shuwei.dish.match.entity.SeasoningEntity
 import com.shuwei.dish.match.net.NetViewModel
 import com.shuwei.dish.match.ui.InitActivity
 import com.shuwei.dish.match.utils.ActivityManager
@@ -183,22 +181,6 @@ open class BaseActivity : AppCompatActivity() {
 
 
     val netViewModel: NetViewModel by viewModels()
-    fun queryGoodsList(
-        param: MutableMap<String, Any>,
-        onSuccess: (MutableList<CookFoodGoodsEntity>?) -> Unit,
-        onFailure: (String, String) -> Unit
-    ) {
-        netViewModel.queryGoodsList(param, onSuccess, onFailure)
-    }
-
-    fun querySeasoningList(
-        param: MutableMap<String, Any>,
-        onSuccess: (MutableList<SeasoningEntity>?) -> Unit,
-        onFailure: (String, String) -> Unit
-    ) {
-        netViewModel.querySeasoningList(param, onSuccess, onFailure)
-    }
-
 
     private var permissionCallback: ((isGranted: Boolean) -> Unit)? = null
     private var activityCallback: ((intent: Intent?) -> Unit)? = null

app/src/main/java/com/shuwei/dish/match/dialog/FoodSearchDialog.kt

@@ -130,7 +130,7 @@ class FoodSearchDialog(
         if (!goodsName.isNullOrBlank()) {
             param["goodsName"] = goodsName!!
         }
-        activity.queryGoodsList(param = param, onSuccess = {
+        activity.netViewModel.queryGoodsList(param = param, onSuccess = {
             loadGoodsList(it)
         }, onFailure = { _, msg ->
             activity.toast(msg)

app/src/main/java/com/shuwei/dish/match/dialog/SeasoningSearchDialog.kt

@@ -181,7 +181,7 @@ class SeasoningSearchDialog(
         if (!goodsName.isNullOrBlank()) {
             param["goodsName"] = goodsName!!
         }
-        activity.querySeasoningList(param = param, onSuccess = {
+        activity.netViewModel.querySeasoningList(param = param, onSuccess = {
             loadGoodsList(it)
         }, onFailure = { _, msg ->
             activity.toast(msg)

app/src/main/java/com/shuwei/dish/match/viewmodel/AppViewModel.kt

@@ -7,6 +7,8 @@ import com.shuwei.dish.match.entity.CookFoodEntity
 import com.shuwei.dish.match.entity.CookFoodGoodsEntity
 import com.shuwei.dish.match.entity.SeasoningEntity
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 import kotlin.collections.forEach
 
 class AppViewModel(private val rep: AppRepository) : ViewModel() {
@@ -149,14 +151,13 @@ class AppViewModel(private val rep: AppRepository) : ViewModel() {
 //        }
 //    }
 
-    private var isProcessing = false
+    private val loadSeasoningMutex = Mutex()
     fun loadSeasoning(action: (MutableList<SeasoningEntity>) -> Unit) {
+        if (loadSeasoningMutex.isLocked) return
         viewModelScope.launch {
-            if (isProcessing) return@launch
-            isProcessing = true
-            val list = rep.getAllStream()
-            action(list)
-            isProcessing = false
+            loadSeasoningMutex.withLock {
+                action(rep.getAllStream())
+            }
         }
     }