feat: cloud-init supports all documented KubeSolo CLI flags

Add missing flags (--local-storage-shared-path, --debug, --pprof-server,
--portainer-edge-id, --portainer-edge-key, --portainer-edge-async) so all
10 documented KubeSolo parameters can be configured via cloud-init YAML.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cloud-init/kubesolo.go

@@ -46,6 +46,30 @@ func buildExtraFlags(cfg *Config) string {
 		parts = append(parts, "--apiserver-extra-sans", san)
 	}
 
+	if cfg.KubeSolo.LocalStorageSharedPath != "" {
+		parts = append(parts, "--local-storage-shared-path", cfg.KubeSolo.LocalStorageSharedPath)
+	}
+
+	if cfg.KubeSolo.Debug {
+		parts = append(parts, "--debug")
+	}
+
+	if cfg.KubeSolo.PprofServer {
+		parts = append(parts, "--pprof-server")
+	}
+
+	if cfg.KubeSolo.PortainerEdgeID != "" {
+		parts = append(parts, "--portainer-edge-id", cfg.KubeSolo.PortainerEdgeID)
+	}
+
+	if cfg.KubeSolo.PortainerEdgeKey != "" {
+		parts = append(parts, "--portainer-edge-key", cfg.KubeSolo.PortainerEdgeKey)
+	}
+
+	if cfg.KubeSolo.PortainerEdgeAsync {
+		parts = append(parts, "--portainer-edge-async")
+	}
+
 	return strings.Join(parts, " ")
 }