From bbe3d3f284e88cbb57ec2d6526b3550f56b7e7f7 Mon Sep 17 00:00:00 2001
From: tw93 <tw93@qq.com>
Date: Fri, 27 Feb 2026 10:07:44 +0800
Subject: [PATCH] fix(status): keep compact header single-line on tight widths

---
 cmd/status/view.go      | 38 +++++++++++++++++++++++++-------------
 cmd/status/view_test.go | 28 ++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+), 13 deletions(-)

diff --git a/cmd/status/view.go b/cmd/status/view.go
index a534028..514473f 100644
--- a/cmd/status/view.go
+++ b/cmd/status/view.go
@@ -167,27 +167,39 @@ func renderHeader(m MetricsSnapshot, errMsg string, animFrame int, termWidth int
 	if m.Hardware.RefreshRate != "" {
 		infoParts = append(infoParts, m.Hardware.RefreshRate)
 	}
+	optionalInfoParts := []string{}
 	if !compactHeader && m.Hardware.OSVersion != "" {
-		infoParts = append(infoParts, m.Hardware.OSVersion)
+		optionalInfoParts = append(optionalInfoParts, m.Hardware.OSVersion)
 	}
 	if !compactHeader && m.Uptime != "" {
-		infoParts = append(infoParts, subtleStyle.Render("up "+m.Uptime))
+		optionalInfoParts = append(optionalInfoParts, subtleStyle.Render("up "+m.Uptime))
 	}
 
 	headLeft := title + "  " + scoreText
-	baseLines := wrapToWidth(headLeft, termWidth)
-	headerLines := append([]string{}, baseLines...)
-	if len(infoParts) > 0 {
-		headRight := strings.Join(infoParts, " · ")
-		combined := headLeft + "  " + headRight
-		if lipgloss.Width(combined) <= termWidth {
-			headerLines = wrapToWidth(combined, termWidth)
-		} else {
-			wrappedRight := wrapToWidth(headRight, termWidth)
-			headerLines = append(baseLines, wrappedRight...)
+	headerLine := headLeft
+	if termWidth > 0 && lipgloss.Width(headerLine) > termWidth {
+		headerLine = wrapToWidth(headLeft, termWidth)[0]
+	}
+	if termWidth > 0 {
+		allParts := append(append([]string{}, infoParts...), optionalInfoParts...)
+		if len(allParts) > 0 {
+			combined := headLeft + "  " + strings.Join(allParts, " · ")
+			if lipgloss.Width(combined) <= termWidth {
+				headerLine = combined
+			} else {
+				// When width is tight, drop lower-priority tail (OS and uptime) as a group.
+				fitParts := append([]string{}, infoParts...)
+				for len(fitParts) > 0 {
+					candidate := headLeft + "  " + strings.Join(fitParts, " · ")
+					if lipgloss.Width(candidate) <= termWidth {
+						headerLine = candidate
+						break
+					}
+					fitParts = fitParts[:len(fitParts)-1]
+				}
+			}
 		}
 	}
-	headerLine := lipgloss.JoinVertical(lipgloss.Left, headerLines...)
 
 	// Show cat unless hidden - render mole centered below header
 	var mole string
diff --git a/cmd/status/view_test.go b/cmd/status/view_test.go
index 6dc06d4..beb99f3 100644
--- a/cmd/status/view_test.go
+++ b/cmd/status/view_test.go
@@ -982,6 +982,34 @@ func TestRenderHeaderHidesOSAndUptimeOnNarrowWidth(t *testing.T) {
 	}
 }
 
+func TestRenderHeaderDropsLowPriorityInfoToStaySingleLine(t *testing.T) {
+	m := MetricsSnapshot{
+		HealthScore: 90,
+		Hardware: HardwareInfo{
+			Model:       "MacBook Pro",
+			CPUModel:    "Apple M2 Pro",
+			TotalRAM:    "32.0 GB",
+			DiskSize:    "460.4 GB",
+			RefreshRate: "60Hz",
+			OSVersion:   "macOS 26.3",
+		},
+		GPU:    []GPUStatus{{CoreCount: 19}},
+		Uptime: "9d 13h",
+	}
+
+	header, _ := renderHeader(m, "", 0, 100, true)
+	plain := stripANSI(header)
+	if strings.Contains(plain, "\n") {
+		t.Fatalf("renderHeader() should stay single line when trimming low-priority fields, got %q", plain)
+	}
+	if strings.Contains(plain, "macOS 26.3") {
+		t.Fatalf("renderHeader() should drop os version when width is tight, got %q", plain)
+	}
+	if strings.Contains(plain, "up 9d 13h") {
+		t.Fatalf("renderHeader() should drop uptime when width is tight, got %q", plain)
+	}
+}
+
 func TestRenderCardWrapsOnNarrowWidth(t *testing.T) {
 	card := cardData{
 		icon:  iconCPU,