Fix comment schema

Signed-off-by: Rūdolfs Ošiņš <rudolfs@osins.org>

httpd-client/lib/project/comment.ts

@@ -1,5 +1,5 @@
 import type { ZodSchema } from "zod";
-import { array, number, record, object, string } from "zod";
+import { array, number, object, string, tuple } from "zod";
 
 export type ThreadUpdateAction =
   | { type: "comment"; body: string; replyTo?: string }
@@ -16,7 +16,7 @@ export interface Comment {
   id: string;
   author: { id: string; alias?: string };
   body: string;
-  reactions: Record<string, number>[];
+  reactions: [string, string][];
   timestamp: number;
   replyTo: string | null;
 }
@@ -25,7 +25,7 @@ export const commentSchema = object({
   id: string(),
   author: object({ id: string(), alias: string().optional() }),
   body: string(),
-  reactions: array(record(string(), number())),
+  reactions: array(tuple([string(), string()])),
   timestamp: number(),
   replyTo: string().nullable(),
 }) satisfies ZodSchema<Comment>;