fix: reaction display regression (#4141)

Signed-off-by: James Rich <2199651+jamesarich@users.noreply.github.com>

app/src/main/java/com/geeksville/mesh/service/MeshActionHandler.kt

@@ -130,7 +130,7 @@ constructor(
             val reaction =
                 ReactionEntity(
                     replyId = action.replyId,
-                    userId = DataPacket.ID_LOCAL,
+                    userId = nodeManager.getMyId(),
                     emoji = action.emoji,
                     timestamp = System.currentTimeMillis(),
                     snr = 0f,

app/src/main/java/com/geeksville/mesh/service/MeshDataHandler.kt

@@ -494,8 +494,13 @@ constructor(
         }
     }
 
-    private fun getSenderName(packet: DataPacket): String =
-        nodeManager.nodeDBbyID[packet.from]?.user?.longName ?: getString(Res.string.unknown_username)
+    private fun getSenderName(packet: DataPacket): String {
+        if (packet.from == DataPacket.ID_LOCAL) {
+            val myId = nodeManager.getMyId()
+            return nodeManager.nodeDBbyID[myId]?.user?.longName ?: getString(Res.string.unknown_username)
+        }
+        return nodeManager.nodeDBbyID[packet.from]?.user?.longName ?: getString(Res.string.unknown_username)
+    }
 
     private suspend fun updateNotification(contactKey: String, dataPacket: DataPacket) {
         when (dataPacket.dataType) {

core/data/src/main/kotlin/org/meshtastic/core/data/repository/NodeRepository.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2025 Meshtastic LLC
+ * Copyright (c) 2025-2026 Meshtastic LLC
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,7 +14,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 package org.meshtastic.core.data.repository
 
 import androidx.lifecycle.Lifecycle
@@ -109,15 +108,15 @@ constructor(
         ?: MeshProtos.User.newBuilder()
             .setId(userId)
             .setLongName(
-                if (userId == "^local") {
-                    "Local"
+                if (userId == DataPacket.ID_LOCAL) {
+                    ourNodeInfo.value?.user?.longName ?: "Local"
                 } else {
                     "Meshtastic ${userId.takeLast(n = 4)}"
                 },
             )
             .setShortName(
-                if (userId == "^local") {
-                    "Local"
+                if (userId == DataPacket.ID_LOCAL) {
+                    ourNodeInfo.value?.user?.shortName ?: "Local"
                 } else {
                     userId.takeLast(n = 4)
                 },

feature/messaging/src/main/kotlin/org/meshtastic/feature/messaging/MessageListPaged.kt

@@ -129,7 +129,9 @@ internal fun MessageListPaged(
     }
 
     var showReactionDialog by remember { mutableStateOf<List<Reaction>?>(null) }
-    showReactionDialog?.let { reactions -> ReactionDialog(reactions) { showReactionDialog = null } }
+    showReactionDialog?.let { reactions ->
+        ReactionDialog(reactions = reactions, myId = state.ourNode?.user?.id, onDismiss = { showReactionDialog = null })
+    }
 
     val coroutineScope = rememberCoroutineScope()
 

feature/messaging/src/main/kotlin/org/meshtastic/feature/messaging/component/Reaction.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2025 Meshtastic LLC
+ * Copyright (c) 2025-2026 Meshtastic LLC
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,7 +14,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-
 package org.meshtastic.feature.messaging.component
 
 import androidx.compose.animation.AnimatedVisibility
@@ -54,9 +53,11 @@ import androidx.compose.ui.tooling.preview.PreviewLightDark
 import androidx.compose.ui.unit.dp
 import org.jetbrains.compose.resources.stringResource
 import org.meshtastic.core.database.entity.Reaction
+import org.meshtastic.core.model.DataPacket
 import org.meshtastic.core.model.util.getShortDateTime
 import org.meshtastic.core.strings.Res
 import org.meshtastic.core.strings.hops_away_template
+import org.meshtastic.core.strings.you
 import org.meshtastic.core.ui.component.BottomSheetDialog
 import org.meshtastic.core.ui.component.Rssi
 import org.meshtastic.core.ui.component.Snr
@@ -113,8 +114,9 @@ internal fun ReactionRow(
 
 private fun reduceEmojis(emojis: List<String>): Map<String, Int> = emojis.groupingBy { it }.eachCount()
 
+@Suppress("LongMethod")
 @Composable
-internal fun ReactionDialog(reactions: List<Reaction>, onDismiss: () -> Unit = {}) =
+internal fun ReactionDialog(reactions: List<Reaction>, myId: String? = null, onDismiss: () -> Unit = {}) =
     BottomSheetDialog(onDismiss = onDismiss, modifier = Modifier.fillMaxHeight(fraction = .3f)) {
         val groupedEmojis = reactions.groupBy { it.emoji }
         var selectedEmoji by remember { mutableStateOf<String?>(null) }
@@ -144,7 +146,14 @@ internal fun ReactionDialog(reactions: List<Reaction>, onDismiss: () -> Unit = {
                         horizontalArrangement = Arrangement.SpaceBetween,
                         verticalAlignment = Alignment.CenterVertically,
                     ) {
-                        Text(text = reaction.user.longName, style = MaterialTheme.typography.titleMedium)
+                        val isLocal = reaction.user.id == myId || reaction.user.id == DataPacket.ID_LOCAL
+                        val displayName =
+                            if (isLocal) {
+                                "${reaction.user.longName} (${stringResource(Res.string.you)})"
+                            } else {
+                                reaction.user.longName
+                            }
+                        Text(text = displayName, style = MaterialTheme.typography.titleMedium)
                         Text(text = reaction.emoji, style = MaterialTheme.typography.titleLarge)
                     }
                     Row(