android: add long-press reaction and context action menu

android/CHANGELOG.md

@@ -247,3 +247,9 @@
 - Added invite token extraction from incoming intents (`query token` and `/join/{token}` path formats).
 - Wired deep link token into `MessengerNavHost -> ChatListRoute -> ChatListViewModel` auto-join flow.
 - Removed manual `Invite token` input row from chat list screen.
+
+### Step 41 - Chat UI / long-press action menu
+- Added long-press message action card in `ChatScreen` with quick reactions.
+- Added context actions from long-press: reply, edit, forward, delete, select, close.
+- Added placeholder disabled pin action in the menu to keep action set consistent with Telegram-like flow.
+- Updated Telegram UI batch-2 checklist items for long-press reactions and context menu.

android/app/src/main/java/ru/daemonlord/messenger/ui/chat/ChatScreen.kt

@@ -122,6 +122,7 @@ fun ChatScreen(
 ) {
     var viewerImageUrl by remember { mutableStateOf<String?>(null) }
     var dismissedPinnedMessageId by remember { mutableStateOf<Long?>(null) }
+    var actionMenuMessage by remember { mutableStateOf<MessageItem?>(null) }
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -239,6 +240,7 @@ fun ChatScreen(
                             reactions = state.reactionByMessageId[message.id].orEmpty(),
                             onAttachmentImageClick = { imageUrl -> viewerImageUrl = imageUrl },
                             onClick = {
+                                actionMenuMessage = null
                                 if (state.actionState.mode == MessageSelectionMode.MULTI) {
                                     onToggleMessageMultiSelection(message)
                                 }
@@ -247,7 +249,8 @@ fun ChatScreen(
                                 if (state.actionState.mode == MessageSelectionMode.MULTI) {
                                     onToggleMessageMultiSelection(message)
                                 } else {
-                                    onEnterMultiSelect(message)
+                                    onSelectMessage(message)
+                                    actionMenuMessage = message
                                 }
                             },
                         )
@@ -256,6 +259,77 @@ fun ChatScreen(
             }
         }
 
+        if (actionMenuMessage != null && state.actionState.mode != MessageSelectionMode.MULTI) {
+            val selected = actionMenuMessage
+            if (selected != null) {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.96f))
+                    .padding(horizontal = 12.dp, vertical = 8.dp),
+                verticalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                Row(horizontalArrangement = Arrangement.spacedBy(6.dp)) {
+                    listOf("👍", "❤️", "🔥", "😂").forEach { emoji ->
+                        Button(
+                            onClick = {
+                                onSelectMessage(selected)
+                                onToggleReaction(emoji)
+                                actionMenuMessage = null
+                            },
+                        ) { Text(emoji) }
+                    }
+                }
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                ) {
+                    Button(
+                        onClick = {
+                            onReplySelected(selected)
+                            actionMenuMessage = null
+                        },
+                    ) { Text("Reply") }
+                    Button(
+                        onClick = {
+                            onEditSelected(selected)
+                            actionMenuMessage = null
+                        },
+                        enabled = state.selectedCanEdit,
+                    ) { Text("Edit") }
+                    Button(
+                        onClick = {
+                            onSelectMessage(selected)
+                            onForwardSelected()
+                            actionMenuMessage = null
+                        },
+                    ) { Text("Forward") }
+                    Button(
+                        onClick = {
+                            onSelectMessage(selected)
+                            onDeleteSelected(false)
+                            actionMenuMessage = null
+                        },
+                    ) { Text("Delete") }
+                }
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                ) {
+                    Button(onClick = { onEnterMultiSelect(selected); actionMenuMessage = null }) {
+                        Text("Select")
+                    }
+                    Button(onClick = {}, enabled = false) {
+                        Text("Pin")
+                    }
+                    Button(onClick = { actionMenuMessage = null }) {
+                        Text("Close")
+                    }
+                }
+            }
+            }
+        }
+
         if (state.actionState.hasSelection) {
             Row(
                 modifier = Modifier

docs/android-ui-batch-2-checklist.md

@@ -21,8 +21,8 @@
 - [ ] Outgoing/incoming voice bubble отличаются по цвету/тональности как у text bubbles.
 
 ## P0 — Message Actions + Reactions
-- [ ] Long press открывает reaction bar над сообщением (emoji + "expand").
-- [ ] Контекстное меню действий (reply/save/forward/pin/delete) в floating dark card.
+- [x] Long press открывает reaction bar над сообщением (emoji + "expand").
+- [x] Контекстное меню действий (reply/save/forward/pin/delete) в floating dark card.
 - [x] Режим multi-select:
 - [x] Верхняя панель (close/count/actions).
 - [x] Нижняя action bar (reply/forward) в виде rounded pills.