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

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

src/servers/channels/send-claude-code.ts

@@ -31,6 +31,7 @@ type ClaudeCodeParams = {
   username: string;
   prompt: string;
   sessionKey: string;
+  model?: string;
 };
 
 type ClaudeCodeResult = {
@@ -151,6 +152,9 @@ export async function sendClaudeCode(params: ClaudeCodeParams): Promise<ClaudeCo
 
   const claudeArgs = [CLAUDE_BIN, '-p', prompt, '--dangerously-skip-permissions', '--output-format', 'json'];
 
+  const subModel = params.model?.split('/')[1];
+  if (subModel) claudeArgs.push('--model', subModel);
+
   const existingSession = claudeCodeSessions.get(sessionKey);
   if (existingSession) {
     claudeArgs.push('--resume', existingSession);
@@ -268,6 +272,7 @@ type ClaudeCodeStreamingParams = {
   prompt: string;
   sessionKey: string;
   cwd?: string;
+  model?: string;
   onEvent: (event: PiEvent) => void;
 };
 
@@ -293,6 +298,9 @@ export async function sendClaudeCodeStreaming(params: ClaudeCodeStreamingParams)
     '--include-partial-messages',
   ];
 
+  const subModel = params.model?.split('/')[1];
+  if (subModel) claudeArgs.push('--model', subModel);
+
   const existingSession = claudeCodeSessions.get(sessionKey);
   if (existingSession) {
     claudeArgs.push('--resume', existingSession);