Allow configure() on an idle SDK instance

The assert was inverted: it rejected the empty (idle) status its message
says is required, so any debug app calling configure() on a fresh
instance crashed at startup.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QZi3f27gbhPqhG91ngbdVe

Author: claude

lib/src/codelessly.dart

@@ -332,7 +332,7 @@ class Codelessly {
     initErrorLogger();
 
     assert(
-      status is! CEmpty,
+      status is CEmpty || status is CConfigured,
       'The SDK cannot be configured if it is not idle. '
       'Consider calling [Codelessly.dispose] before reconfiguring.',
     );