fix(queue): render context chips in queued messages

- Remove plainMentions from queued message rows so context chips render
  with icons, consistent with sent messages
- Fix computeMentionRanges to use '/' prefix for skill contexts (content
  has the slash trigger restored at submit time, not '@')

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/home/components/queued-messages/queued-messages.tsx

@@ -91,12 +91,7 @@ export function QueuedMessages({
                 </div>
 
                 <div className='min-w-0 flex-1 overflow-hidden'>
-                  <UserMessageContent
-                    content={msg.content}
-                    contexts={msg.contexts}
-                    plainMentions
-                    compact
-                  />
+                  <UserMessageContent content={msg.content} contexts={msg.contexts} compact />
                 </div>
 
                 {msg.fileAttachments && msg.fileAttachments.length > 0 && (

apps/sim/app/workspace/[workspaceId]/home/components/user-message-content/user-message-content.tsx

@@ -38,7 +38,8 @@ function computeMentionRanges(text: string, contexts: ChatMessageContext[]): Men
 
   for (const ctx of contexts) {
     if (!ctx.label) continue
-    const token = `@${ctx.label}`
+    const prefix = ctx.kind === 'skill' ? '/' : '@'
+    const token = `${prefix}${ctx.label}`
     const pattern = new RegExp(`(^|\\s)(${escapeRegex(token)})(\\s|$)`, 'g')
     let match: RegExpExecArray | null
     while ((match = pattern.exec(text)) !== null) {