Save current BZZZ config-ui state before CHORUS branding update

🤖 Generated with [Claude Code](https://claude.ai/code)

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

pkg/config/config.go

@@ -550,4 +550,36 @@ func fileExists(filePath string) bool {
 func GenerateDefaultConfigFile(filePath string) error {
 	config := getDefaultConfig()
 	return SaveConfig(config, filePath)
+}
+
+// IsSetupRequired checks if BZZZ needs to be set up (no valid configuration exists)
+func IsSetupRequired(configPath string) bool {
+	// Check if config file exists
+	if !fileExists(configPath) {
+		return true
+	}
+	
+	// Try to load the configuration
+	_, err := LoadConfig(configPath)
+	if err != nil {
+		return true
+	}
+	
+	// Configuration exists and is valid
+	return false
+}
+
+// IsValidConfiguration checks if a configuration is valid for production use
+func IsValidConfiguration(config *Config) bool {
+	// Check essential configuration elements
+	if config.Agent.ID == "" {
+		return false
+	}
+	
+	if len(config.Agent.Capabilities) == 0 {
+		return false
+	}
+	
+	// Configuration appears valid
+	return true
 }