fix: remove process.env.HOME from browser code

process.env.HOME is a Node.js environment variable that doesn't exist
in browser JavaScript, causing attach to fail.

Changed to hardcoded '/home/uroma' path for session creation.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

public/claude-ide/terminal.js

@@ -1220,7 +1220,7 @@ class TerminalManager {
         const res = await fetch('/claude/api/claude/sessions', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ workingDir: process.env.HOME || '/home/uroma' })
+          body: JSON.stringify({ workingDir: '/home/uroma' })
         });
 
         const data = await res.json();