feat(activity): 新增同名调料用量聚合合并展示逻辑

- SubmitFoodActivity 新增 rawWeightMap 记录各秤槽位原始用量
- 每次秤数据更新后按 goodsName 聚合求和，同名调料只展示一条
- SeasoningWeightAdapter 改为按 goodsName 作为唯一标识匹配更新/移除
- SlaveActivity 简化高亮触发条件判断

app/src/main/java/com/shuwei/dish/match/adapter/SeasoningWeightAdapter.kt

@@ -8,28 +8,25 @@ import com.shuwei.dish.match.databinding.ItemSeasoningWeightBinding
 /**
  * 调料使用重量列表 Adapter
  * 用于 SubmitFoodActivity 展示各调料槽位的实时用量
- *
- * @param items 调料数据列表，外部直接操作后调用 notifyDataSetChanged
+ * 同名调料已在外部聚合，adapter 按 goodsName 作为唯一标识
  */
 class SeasoningWeightAdapter : RecyclerView.Adapter<SeasoningWeightAdapter.VH>() {
 
-    /** 调料展示数据项 */
+    /** 调料展示数据项，key = goodsName（同名调料已聚合） */
     data class Item(
-        /** 唯一标识：deviceId#address */
-        val key: String,
         val goodsId: String,
         val goodsName: String,
-        /** 使用重量（克），= 初始重量 - 当前重量，≥0 */
+        /** 使用重量（克），同名调料已累加 */
         val useWeight: Double
     )
 
     val items = mutableListOf<Item>()
 
     /**
-     * 更新单个 item 的重量，若 key 不存在则追加
+     * 更新单个 item，按 goodsName 匹配；不存在则追加
      */
     fun updateItem(item: Item) {
-        val idx = items.indexOfFirst { it.key == item.key }
+        val idx = items.indexOfFirst { it.goodsName == item.goodsName }
         if (idx >= 0) {
             items[idx] = item
             notifyItemChanged(idx)
@@ -40,10 +37,10 @@ class SeasoningWeightAdapter : RecyclerView.Adapter<SeasoningWeightAdapter.VH>()
     }
 
     /**
-     * 移除指定 key 的 item（用量不足阈值时调用）
+     * 移除指定 goodsName 的 item（聚合后用量不足阈值时调用）
      */
-    fun removeItem(key: String) {
-        val idx = items.indexOfFirst { it.key == key }
+    fun removeItem(goodsName: String) {
+        val idx = items.indexOfFirst { it.goodsName == goodsName }
         if (idx >= 0) {
             items.removeAt(idx)
             notifyItemRemoved(idx)

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

@@ -209,9 +209,7 @@ class SlaveActivity : BaseActivity() {
             // 重量快照与高亮判断（在回调线程计算，不涉及 UI）
             val baseline = weightSnapshot[address]
             val shouldHighlight = baseline != null
-                    && baseline >= 0.0
                     && state == WeightUtil.STATE_STABLE
-                    && weight > WEIGHT_DELTA_THRESHOLD
                     && (weight - baseline) > WEIGHT_DELTA_THRESHOLD
             if (baseline == null || state == WeightUtil.STATE_STABLE) {
                 weightSnapshot[address] = weight

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

@@ -77,6 +77,12 @@ class SubmitFoodActivity : BaseActivity() {
      */
     private val slotMap = mutableMapOf<String, Pair<String, String>>()
 
+    /**
+     * 各秤原始用量，key = "deviceId#address"，value = Triple(goodsId, goodsName, useWeight)
+     * 每次秤数据变化后更新，再按 goodsName 聚合推给 adapter
+     */
+    private val rawWeightMap = mutableMapOf<String, Triple<String, String, Double>>()
+
     @Suppress("unchecked_cast", "DEPRECATION")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -159,27 +165,43 @@ class SubmitFoodActivity : BaseActivity() {
                         .coerceAtLeast(0.0)
                         .roundedOneDecimalPlace()
 
-                    // 用量不足 0.5g 时从列表移除（或不添加）
+                    // 更新原始用量 map，再按 goodsName 聚合刷新 adapter
                     if (useWeight < 0.5) {
-                        seasoningAdapter.removeItem(key)
-                        return@forEach
+                        rawWeightMap.remove(key)
+                    } else {
+                        rawWeightMap[key] = Triple(goodsId, goodsName, useWeight)
                     }
-
-                    seasoningAdapter.updateItem(
-                        SeasoningWeightAdapter.Item(
-                            key = key,
-                            goodsId = goodsId,
-                            goodsName = goodsName,
-                            useWeight = useWeight
-                        )
-                    )
+                    refreshAdapterByName(goodsName)
                 }
             }
         }
     }
 
+    /**
+     * 按 goodsName 聚合 rawWeightMap，将同名调料的用量累加后推给 adapter
+     * 聚合后总量 < 0.5g 则从 adapter 移除
+     */
+    private fun refreshAdapterByName(goodsName: String) {
+        val grouped = rawWeightMap.values.filter { it.second == goodsName }
+        if (grouped.isEmpty()) {
+            seasoningAdapter.removeItem(goodsName)
+            return
+        }
+        val totalWeight = grouped.sumOf { it.third }.roundedOneDecimalPlace()
+        if (totalWeight < 0.5) {
+            seasoningAdapter.removeItem(goodsName)
+        } else {
+            seasoningAdapter.updateItem(
+                SeasoningWeightAdapter.Item(
+                    goodsId = grouped.first().first,
+                    goodsName = goodsName,
+                    useWeight = totalWeight
+                )
+            )
+        }
+    }
+
     private fun addViewListener() {
-        binding.btnWeightClear.setOnClickListener { WeightUtil.tareTwo(AddressUtil.TWO) }
 
         binding.btnCook.clickWithDebounce { cook() }