Use numerical acks

app/CLAUDE.md

@@ -258,6 +258,11 @@ KeyStore.clear_private_key()
 
 ## ACK and Repeat Detection
 
+The `acked` field is an integer count, not a boolean:
+- `0` = not acked
+- `1` = one ACK/echo received
+- `2+` = multiple flood echoes received
+
 ### Direct Message ACKs
 
 When sending a direct message, an expected ACK code is tracked:
@@ -267,7 +272,7 @@ from app.event_handlers import track_pending_ack
 track_pending_ack(expected_ack="abc123", message_id=42, timeout_ms=30000)
 ```
 
-When ACK event arrives, the message is marked as acked.
+When ACK event arrives, the message's ack count is incremented.
 
 ### Channel Message Repeats
 
@@ -276,7 +281,10 @@ Flood messages echo back through repeaters. Detection uses:
 - Text hash
 - Timestamp (±5 second window)
 
-When a repeat is detected, the original outgoing message is marked as "acked".
+Each repeat increments the ack count. The frontend displays:
+- `?` = no acks
+- `✓` = 1 echo
+- `✓2`, `✓3`, etc. = multiple echoes (real-time updates via WebSocket)
 
 ### Auto-Contact Sync to Radio
 

app/event_handlers.py

@@ -180,8 +180,8 @@ async def on_ack(event: "Event") -> None:
         message_id, _, _ = _pending_acks.pop(ack_code)
         logger.info("ACK received for message %d", message_id)
 
-        await MessageRepository.mark_acked(message_id)
-        broadcast_event("message_acked", {"message_id": message_id})
+        ack_count = await MessageRepository.increment_ack_count(message_id)
+        broadcast_event("message_acked", {"message_id": message_id, "ack_count": ack_count})
     else:
         logger.debug("ACK code %s does not match any pending messages", ack_code)
 

app/models.py

@@ -76,7 +76,7 @@ class Message(BaseModel):
     txt_type: int = 0
     signature: str | None = None
     outgoing: bool = False
-    acked: bool = False
+    acked: int = 0
 
 
 class RawPacket(BaseModel):

app/packet_processor.py

@@ -230,8 +230,8 @@ async def _process_group_text(
                 # Don't pop - let it expire naturally so subsequent repeats via
                 # different radio paths are also caught as duplicates
                 logger.info("Repeat detected for channel message %d", message_id)
-                await MessageRepository.mark_acked(message_id)
-                broadcast_event("message_acked", {"message_id": message_id})
+                ack_count = await MessageRepository.increment_ack_count(message_id)
+                broadcast_event("message_acked", {"message_id": message_id, "ack_count": ack_count})
                 is_repeat = True
                 break
 

app/repository.py

@@ -313,17 +313,23 @@ class MessageRepository:
                 txt_type=row["txt_type"],
                 signature=row["signature"],
                 outgoing=bool(row["outgoing"]),
-                acked=bool(row["acked"]),
+                acked=row["acked"],
             )
             for row in rows
         ]
 
     @staticmethod
-    async def mark_acked(message_id: int) -> None:
+    async def increment_ack_count(message_id: int) -> int:
+        """Increment ack count and return the new value."""
         await db.conn.execute(
-            "UPDATE messages SET acked = 1 WHERE id = ?", (message_id,)
+            "UPDATE messages SET acked = acked + 1 WHERE id = ?", (message_id,)
         )
         await db.conn.commit()
+        cursor = await db.conn.execute(
+            "SELECT acked FROM messages WHERE id = ?", (message_id,)
+        )
+        row = await cursor.fetchone()
+        return row["acked"] if row else 1
 
     @staticmethod
     async def find_duplicate(
@@ -398,7 +404,7 @@ class MessageRepository:
                     txt_type=row["txt_type"],
                     signature=row["signature"],
                     outgoing=bool(row["outgoing"]),
-                    acked=bool(row["acked"]),
+                    acked=row["acked"],
                 )
                 for row in rows
             ]

frontend/CLAUDE.md

@@ -88,7 +88,7 @@ The `useWebSocket` hook manages real-time connection:
 const wsHandlers = useMemo(() => ({
   onHealth: (data: HealthStatus) => setHealth(data),
   onMessage: (msg: Message) => { /* add to list, track unread */ },
-  onMessageAcked: (messageId: number) => { /* update acked status */ },
+  onMessageAcked: (messageId: number, ackCount: number) => { /* update ack count */ },
   // ...
 }), []);
 
@@ -199,7 +199,7 @@ interface Message {
   conversation_key: string;  // PublicKey for PRIV, ChannelKey for CHAN
   text: string;
   outgoing: boolean;
-  acked: boolean;
+  acked: number;  // 0=not acked, 1+=ack count (flood echoes)
   // ...
 }
 

frontend/dist/index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>RemoteTerm for MeshCore</title>
-    <script type="module" crossorigin src="/assets/index-Dj98vxU3.js"></script>
+    <script type="module" crossorigin src="/assets/index-BtEbese6.js"></script>
     <link rel="stylesheet" crossorigin href="/assets/index-CtV9BARe.css">
   </head>
   <body>

frontend/src/App.tsx

@@ -305,13 +305,13 @@ export function App() {
         return updated;
       });
     },
-    onMessageAcked: (messageId: number) => {
-      // Update message acked status
+    onMessageAcked: (messageId: number, ackCount: number) => {
+      // Update message acked count
       setMessages((prev) => {
         const idx = prev.findIndex((m) => m.id === messageId);
         if (idx >= 0) {
           const updated = [...prev];
-          updated[idx] = { ...prev[idx], acked: true };
+          updated[idx] = { ...prev[idx], acked: ackCount };
           return updated;
         }
         return prev;
@@ -639,7 +639,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false, // Show as incoming (from the repeater)
-          acked: true, // Mark as acked since it's a response
+          acked: 1, // Mark as acked since it's a response
         };
 
         // Create a second message for neighbors
@@ -654,7 +654,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false,
-          acked: true,
+          acked: 1,
         };
 
         // Create a third message for ACL
@@ -669,7 +669,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false,
-          acked: true,
+          acked: 1,
         };
 
         // Add all messages to the list
@@ -690,7 +690,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false,
-          acked: true,
+          acked: 1,
         };
         setMessages((prev) => [...prev, errorMessage]);
       }
@@ -718,7 +718,7 @@ export function App() {
         txt_type: 0,
         signature: null,
         outgoing: true,
-        acked: true,
+        acked: 1,
       };
       setMessages((prev) => [...prev, commandMessage]);
 
@@ -740,7 +740,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false,
-          acked: true,
+          acked: 1,
         };
 
         setMessages((prev) => [...prev, responseMessage]);
@@ -756,7 +756,7 @@ export function App() {
           txt_type: 0,
           signature: null,
           outgoing: false,
-          acked: true,
+          acked: 1,
         };
         setMessages((prev) => [...prev, errorMessage]);
       }

frontend/src/components/MessageList.tsx

@@ -295,7 +295,7 @@ export function MessageList({
                     {formatTime(msg.sender_timestamp || msg.received_at)}
                   </span>
                 )}
-                {msg.outgoing && (msg.acked ? ' ✓' : ' ?')}
+                {msg.outgoing && (msg.acked > 0 ? ` ✓${msg.acked > 1 ? msg.acked : ''}` : ' ?')}
               </div>
             </div>
           </div>

frontend/src/test/messageDeduplication.test.ts

@@ -37,7 +37,7 @@ function createMessage(overrides: Partial<Message>): Message {
     txt_type: 0,
     signature: null,
     outgoing: false,
-    acked: false,
+    acked: 0,
     ...overrides,
   };
 }

frontend/src/test/repeaterMode.test.ts

@@ -52,7 +52,7 @@ describe('Repeater message sender parsing', () => {
 
   it('non-repeater messages still get sender parsed', () => {
     const channelMessage = 'Alice: Hello everyone!';
-    const contactType = CONTACT_TYPE_CLIENT;
+    const contactType: number = CONTACT_TYPE_CLIENT;
 
     const isRepeater = contactType === CONTACT_TYPE_REPEATER;
     const { sender, content } = isRepeater
@@ -107,7 +107,7 @@ describe('Repeater password handling', () => {
   });
 
   it('normal password is passed through unchanged', () => {
-    const trimmed = 'mySecretPassword';
+    const trimmed: string = 'mySecretPassword';
     const password = trimmed === '.' ? '' : trimmed;
 
     expect(password).toBe('mySecretPassword');
@@ -123,7 +123,7 @@ describe('Repeater password handling', () => {
   });
 
   it('".." is NOT converted (only single dot)', () => {
-    const trimmed = '..';
+    const trimmed: string = '..';
     const password = trimmed === '.' ? '' : trimmed;
 
     // Double dot is passed through as-is (it's a valid password)

frontend/src/test/unreadCounts.test.ts

@@ -73,7 +73,7 @@ describe('shouldIncrementUnread', () => {
     txt_type: 0,
     signature: null,
     outgoing: false,
-    acked: false,
+    acked: 0,
     ...overrides,
   });
 

frontend/src/test/websocket.test.ts

@@ -21,7 +21,7 @@ function parseWebSocketMessage(
     onMessage?: (message: Message) => void;
     onContact?: (contact: Contact) => void;
     onRawPacket?: (packet: RawPacket) => void;
-    onMessageAcked?: (messageId: number) => void;
+    onMessageAcked?: (messageId: number, ackCount: number) => void;
   }
 ): { type: string; handled: boolean } {
   try {
@@ -46,9 +46,11 @@ function parseWebSocketMessage(
       case 'raw_packet':
         handlers.onRawPacket?.(msg.data as RawPacket);
         return { type: msg.type, handled: !!handlers.onRawPacket };
-      case 'message_acked':
-        handlers.onMessageAcked?.((msg.data as { message_id: number }).message_id);
+      case 'message_acked': {
+        const ackData = msg.data as { message_id: number; ack_count: number };
+        handlers.onMessageAcked?.(ackData.message_id, ackData.ack_count);
         return { type: msg.type, handled: !!handlers.onMessageAcked };
+      }
       case 'pong':
         return { type: msg.type, handled: true };
       default:
@@ -77,18 +79,18 @@ describe('parseWebSocketMessage', () => {
     });
   });
 
-  it('routes message_acked to onMessageAcked with message ID', () => {
+  it('routes message_acked to onMessageAcked with message ID and ack count', () => {
     const onMessageAcked = vi.fn();
     const data = JSON.stringify({
       type: 'message_acked',
-      data: { message_id: 42 },
+      data: { message_id: 42, ack_count: 3 },
     });
 
     const result = parseWebSocketMessage(data, { onMessageAcked });
 
     expect(result.type).toBe('message_acked');
     expect(result.handled).toBe(true);
-    expect(onMessageAcked).toHaveBeenCalledWith(42);
+    expect(onMessageAcked).toHaveBeenCalledWith(42, 3);
   });
 
   it('routes new message to onMessage handler', () => {
@@ -100,7 +102,7 @@ describe('parseWebSocketMessage', () => {
       text: 'Hello',
       received_at: 1700000000,
       outgoing: false,
-      acked: false,
+      acked: 0,
     };
     const data = JSON.stringify({ type: 'message', data: messageData });
 

frontend/src/types.ts

@@ -76,7 +76,8 @@ export interface Message {
   txt_type: number;
   signature: string | null;
   outgoing: boolean;
-  acked: boolean;
+  /** ACK count: 0 = not acked, 1+ = number of acks/flood echoes received */
+  acked: number;
 }
 
 export type ConversationType = 'contact' | 'channel' | 'raw';
@@ -110,7 +111,8 @@ export interface AppSettingsUpdate {
   max_radio_contacts?: number;
 }
 
-/** Contact type constant for repeaters */
+/** Contact type constants */
+export const CONTACT_TYPE_CLIENT = 1;
 export const CONTACT_TYPE_REPEATER = 2;
 
 export interface NeighborInfo {

frontend/src/useWebSocket.ts

@@ -18,7 +18,7 @@ interface UseWebSocketOptions {
   onMessage?: (message: Message) => void;
   onContact?: (contact: Contact) => void;
   onRawPacket?: (packet: RawPacket) => void;
-  onMessageAcked?: (messageId: number) => void;
+  onMessageAcked?: (messageId: number, ackCount: number) => void;
   onError?: (error: ErrorEvent) => void;
 }
 
@@ -82,9 +82,11 @@ export function useWebSocket(options: UseWebSocketOptions) {
           case 'raw_packet':
             options.onRawPacket?.(msg.data as RawPacket);
             break;
-          case 'message_acked':
-            options.onMessageAcked?.((msg.data as { message_id: number }).message_id);
+          case 'message_acked': {
+            const ackData = msg.data as { message_id: number; ack_count: number };
+            options.onMessageAcked?.(ackData.message_id, ackData.ack_count);
             break;
+          }
           case 'error':
             options.onError?.(msg.data as ErrorEvent);
             break;

tests/test_event_handlers.py

@@ -143,7 +143,7 @@ class TestAckEventHandler:
         # Mock dependencies
         with patch("app.event_handlers.MessageRepository") as mock_repo, \
              patch("app.event_handlers.broadcast_event") as mock_broadcast:
-            mock_repo.mark_acked = AsyncMock()
+            mock_repo.increment_ack_count = AsyncMock(return_value=1)
 
             # Create mock event
             class MockEvent:
@@ -151,11 +151,11 @@ class TestAckEventHandler:
 
             await on_ack(MockEvent())
 
-            # Verify message marked as acked
-            mock_repo.mark_acked.assert_called_once_with(123)
+            # Verify ack count incremented
+            mock_repo.increment_ack_count.assert_called_once_with(123)
 
-            # Verify broadcast sent
-            mock_broadcast.assert_called_once_with("message_acked", {"message_id": 123})
+            # Verify broadcast sent with ack_count
+            mock_broadcast.assert_called_once_with("message_acked", {"message_id": 123, "ack_count": 1})
 
             # Verify pending ACK removed
             assert "deadbeef" not in _pending_acks
@@ -169,13 +169,14 @@ class TestAckEventHandler:
 
         with patch("app.event_handlers.MessageRepository") as mock_repo, \
              patch("app.event_handlers.broadcast_event") as mock_broadcast:
+            mock_repo.increment_ack_count = AsyncMock()
 
             class MockEvent:
                 payload = {"code": "different"}
 
             await on_ack(MockEvent())
 
-            mock_repo.mark_acked.assert_not_called()
+            mock_repo.increment_ack_count.assert_not_called()
             mock_broadcast.assert_not_called()
             assert "expected" in _pending_acks
 
@@ -185,14 +186,14 @@ class TestAckEventHandler:
         from app.event_handlers import on_ack
 
         with patch("app.event_handlers.MessageRepository") as mock_repo:
-            mock_repo.mark_acked = AsyncMock()
+            mock_repo.increment_ack_count = AsyncMock()
 
             class MockEvent:
                 payload = {"code": ""}
 
             await on_ack(MockEvent())
 
-            mock_repo.mark_acked.assert_not_called()
+            mock_repo.increment_ack_count.assert_not_called()
 
 
 class TestContactMessageCLIFiltering: