Bug Fix

internal/config/config.go

@@ -77,11 +77,15 @@ func LoadArgs(args []string) (Config, error) {
 	loadYAMLConfig()
 
 	fs := flag.NewFlagSet("hp-viz", flag.ContinueOnError)
+	// Errors stay on stderr; Usage is overridden to stdout for --help.
 	fs.SetOutput(os.Stderr)
 	fs.Usage = func() {
-		fmt.Fprint(os.Stderr, usageText)
+		fmt.Fprint(os.Stdout, usageText)
+		// Temporarily point defaults at stdout so --help is pipe-friendly.
+		fs.SetOutput(os.Stdout)
 		fs.PrintDefaults()
-		fmt.Fprintln(os.Stderr)
+		fmt.Fprintln(os.Stdout)
+		fs.SetOutput(os.Stderr)
 	}
 
 	urlFlag := fs.String("url", envOr("HP_VIZ_URL", DefaultPublicURL), "HoneyPeer public viz base URL")

internal/ui/operator.go

@@ -136,7 +136,9 @@ func (m *Model) activateOperator(token, subscriptionID, maskedEmail string) tea.
 	if m.api != nil {
 		m.api = transport.NewAPIClient(m.cfg.URL, token)
 	}
-	m.sse.Stop()
+	if m.sse != nil {
+		m.sse.Stop()
+	}
 	m.sse = transport.NewSseClient(m.cfg.URL, token, m.cfg.Fixture, m.cfg.Record)
 	m.sse.Start()
 	m.conn = ConnReconnecting
@@ -165,7 +167,9 @@ func (m *Model) deactivateOperator() tea.Cmd {
 	if m.api != nil {
 		m.api = transport.NewAPIClient(m.cfg.URL, "")
 	}
-	m.sse.Stop()
+	if m.sse != nil {
+		m.sse.Stop()
+	}
 	m.sse = transport.NewSseClient(m.cfg.URL, "", m.cfg.Fixture, m.cfg.Record)
 	m.sse.Start()
 	m.conn = ConnReconnecting