From 41e25da4ccb3121ee9d22f8e9ad48568241d897c Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Mon, 16 Feb 2026 23:03:53 +0200
Subject: Add toggleable host separator lines (hotkey s)

Draw 1px yellow vertical lines between hosts when monitoring multiple
servers, making it easy to see where one host's bars end and the next
begins. Toggled with hotkey 's', persisted via 'w' to ~/.loadbarsrc.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 internal/config/config_test.go | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'internal/config/config_test.go')

diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index a8535be..630fa47 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -152,6 +152,43 @@ func TestConfig_showIOAvgLineRoundTrip(t *testing.T) {
 	}
 }
 
+func TestConfig_showSeparatorsRoundTrip(t *testing.T) {
+	// Write a config with showseparators=1, read it back, verify round-trip
+	c := Default()
+	c.ShowSeparators = true
+
+	dir := t.TempDir()
+	path := filepath.Join(dir, "rc")
+	f, err := os.Create(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if err := c.writeTo(f); err != nil {
+		f.Close()
+		t.Fatal(err)
+	}
+	f.Close()
+
+	data, _ := os.ReadFile(path)
+	if !bytes.Contains(data, []byte("showseparators=1")) {
+		t.Errorf("expected showseparators=1 in output, got:\n%s", data)
+	}
+
+	// Read it back
+	c2 := Default()
+	f2, err := os.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer f2.Close()
+	if err := c2.parseReader(f2); err != nil {
+		t.Fatal(err)
+	}
+	if !c2.ShowSeparators {
+		t.Error("expected ShowSeparators=true after round-trip")
+	}
+}
+
 func TestGetClusterHostsFromFile(t *testing.T) {
 	dir := t.TempDir()
 	path := filepath.Join(dir, "clusters")
-- 
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