fix: disable client cert verification for Phase 2 development

cmd/kat-agent/main.go

@@ -251,12 +251,8 @@ func runInit(cmd *cobra.Command, args []string) {
 				apiServer.RegisterJoinHandler(func(w http.ResponseWriter, r *http.Request) {
 					log.Printf("Received join request from %s", r.RemoteAddr)
 					
-					// Check if this is a secure connection with client cert
-					if r.TLS != nil && len(r.TLS.PeerCertificates) > 0 {
-						log.Printf("Client provided certificate with CN: %s", r.TLS.PeerCertificates[0].Subject.CommonName)
-					} else {
-						log.Printf("Client did not provide a certificate - this is expected for initial join")
-					}
+					// In Phase 2, we're not requiring client certificates yet
+					log.Printf("Processing join request without client certificate verification (Phase 2)")
 					
 					// Read request body
 					var joinReq cli.JoinRequest