add claude code model selection (opus, sonnet, haiku)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/servers/channels/send-and-await.ts

@@ -104,13 +104,14 @@ export async function sendAndAwait(params: SendAndAwaitParams): Promise<SendAndA
     const override = channelModelOverrides.get(sessionId);
     const resolvedModel = params.model ?? override ?? (await getUserDefaultModel(params.userId)) ?? DEFAULT_MODEL;
 
-    if (resolvedModel === 'claude-code') {
+    if (resolvedModel.startsWith('claude-code')) {
       return await sendClaudeCode({
         userId: params.userId,
         email: params.email,
         username: params.username,
         prompt: params.prompt,
         sessionKey: sessionId,
+        model: resolvedModel,
       });
     }