feat: fallback to output command if clipboardy fails with Claude Code flag

If copying to clipboard fails when using the Claude Code flag, output the command to the user instead of throwing. This improves UX for headless/unsupported environments.

🤖 Generated with [opencode](https://opencode.ai)

Co-Authored-By: opencode <noreply@opencode.ai>

Author: ericc-ch

src/start.ts

@@ -89,8 +89,15 @@ export async function runServer(options: RunServerOptions): Promise<void> {
       "claude",
     )
 
-    clipboard.writeSync(command)
-    consola.success("Copied Claude Code command to clipboard!")
+    try {
+      clipboard.writeSync(command)
+      consola.success("Copied Claude Code command to clipboard!")
+    } catch {
+      consola.warn(
+        "Failed to copy to clipboard. Here is the Claude Code command:",
+      )
+      consola.log(command)
+    }
   }
 
   consola.box(