fix(app): use HTTP-safe UUID for attachment uploads

packages/app/src/composer/attachments/destination.ts

@@ -2,6 +2,7 @@ import type { Accessor } from "solid-js"
 import { useServer } from "@/runtime/server/current"
 import { useServerSDK } from "@/runtime/server/client"
 import { authTokenFromCredentials } from "@/runtime/server/api"
+import { uuid } from "@/runtime/persistence/uuid"
 import { useWorkspaceLocation } from "@/workspaces/location"
 import type { ComposerControls } from "../adapter"
 
@@ -28,7 +29,7 @@ export function useAttachmentDestination(controls: Accessor<ComposerControls>) {
       // normalizes the separators and returns the resolved path.
       const url = new URL("/api/experimental/fs/write", server.conn.http.url)
       url.searchParams.set("location[directory]", location().directory)
-      url.searchParams.set("path", `${info.paths.tmp}/uploads/${crypto.randomUUID()}/${file.name}`)
+      url.searchParams.set("path", `${info.paths.tmp}/uploads/${uuid()}/${file.name}`)
       return write(url, file, server.conn.http.password, report, signal)
     },
   })