tweak: oc -> OC

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -186,7 +186,7 @@ function App() {
 
       // Truncate title to 40 chars max
       const title = session.title.length > 40 ? session.title.slice(0, 37) + "..." : session.title
-      renderer.setTerminalTitle(`oc | ${title}`)
+      renderer.setTerminalTitle(`OC | ${title}`)
     }
   })