1.1.3

convex/readState.ts

@@ -82,7 +82,11 @@ export const getAllReadStates = query({
   },
 });
 
-// Get the latest message timestamp per channel (used by Sidebar)
+// Get the latest message timestamp per channel (used by Sidebar).
+// Also surfaces `messageId` and `senderId` so the notification
+// observer can detect genuinely new messages (not just timestamp
+// ticks from edits) and suppress notifications for the user's own
+// sends without an extra round-trip.
 export const getLatestMessageTimestamps = query({
   args: {
     channelIds: v.array(v.id("channels")),
@@ -91,6 +95,8 @@ export const getLatestMessageTimestamps = query({
     v.object({
       channelId: v.id("channels"),
       latestTimestamp: v.number(),
+      messageId: v.optional(v.id("messages")),
+      senderId: v.optional(v.id("userProfiles")),
     })
   ),
   handler: async (ctx, args) => {
@@ -105,6 +111,8 @@ export const getLatestMessageTimestamps = query({
         results.push({
           channelId,
           latestTimestamp: Math.floor(latestMsg._creationTime),
+          messageId: latestMsg._id,
+          senderId: latestMsg.senderId,
         });
       }
     }