v3: added attachments to resources, allow users to paste images into TextEditor, strengthened WS reliability

api/services/vote-service.ts

@@ -3,6 +3,7 @@ import { db } from "../model/db.ts";
 import { notifyDumpOwnerUpvote } from "./notification-service.ts";
 
 export function castVote(dumpId: string, userId: string): number {
+  let voteCount: number;
   try {
     db.exec("BEGIN;");
     db.prepare(
@@ -15,10 +16,11 @@ export function castVote(dumpId: string, userId: string): number {
       `SELECT vote_count FROM dumps WHERE id = ?;`,
     ).get(dumpId) as { vote_count: number } | undefined;
     db.exec("COMMIT;");
-    notifyDumpOwnerUpvote(userId, dumpId);
-    return row?.vote_count ?? 0;
+    voteCount = row?.vote_count ?? 0;
   } catch (err) {
-    db.exec("ROLLBACK;");
+    try {
+      db.exec("ROLLBACK;");
+    } catch { /* ignore if no active transaction */ }
     if (err instanceof Error && err.message.includes("UNIQUE constraint")) {
       throw new APIException(
         APIErrorCode.VALIDATION_ERROR,
@@ -28,6 +30,11 @@ export function castVote(dumpId: string, userId: string): number {
     }
     throw err;
   }
+  // Notification is best-effort — must not prevent vote_ack from being sent
+  try {
+    notifyDumpOwnerUpvote(userId, dumpId);
+  } catch { /* ignore */ }
+  return voteCount;
 }
 
 export function removeVote(dumpId: string, userId: string): number {