v3: various improvements and fixes to real-time updates

api/routes/avatars.ts

@@ -1,7 +1,10 @@
 import { Router } from "@oak/oak";
 import { authMiddleware } from "../middleware/auth.ts";
 import { getUserById, updateUserAvatar } from "../services/user-service.ts";
-import { updateClientAvatar } from "../services/ws-service.ts";
+import {
+  broadcastUserUpdated,
+  updateClientAvatar,
+} from "../services/ws-service.ts";
 import { APIErrorCode, APIException } from "../model/interfaces.ts";
 import {
   AVATARS_DIR,
@@ -45,6 +48,11 @@ router.post("/api/avatars/me", authMiddleware, async (ctx) => {
   updateClientAvatar(authPayload.userId, mime);
 
   const { passwordHash: _, ...publicUser } = getUserById(authPayload.userId);
+  // Let every client refresh this user's avatar wherever it's shown (feeds,
+  // comments, OP, profiles) — not just the presence row. updated_at, bumped on
+  // the avatar write, doubles as the cache-busting version.
+  const { email: _email, ...broadcastUser } = publicUser;
+  broadcastUserUpdated(broadcastUser);
   ctx.response.status = 200;
   ctx.response.body = { success: true, data: publicUser };
 });

api/routes/ws.ts

@@ -153,7 +153,7 @@ function handleVote(
     broadcastVoteUpdate(dumpId, newCount, client.userId, action);
   } catch (err) {
     const message = err instanceof APIException ? err.message : "Vote failed";
-    socket.send(JSON.stringify({ type: "error", message }));
+    socket.send(JSON.stringify({ type: "error", message, dumpId, action }));
   }
 }
 
@@ -186,7 +186,7 @@ function handleCommentLike(
     broadcastCommentLikeUpdate(commentId, newCount, client.userId, action);
   } catch (err) {
     const message = err instanceof APIException ? err.message : "Like failed";
-    socket.send(JSON.stringify({ type: "error", message }));
+    socket.send(JSON.stringify({ type: "error", message, commentId, action }));
   }
 }