Panel columns reordered RESET | LAST 90 S | NOW so time flows one direction: horizons narrow left to right and the NOW column sits at the timeline's own now end

ui.go

@@ -161,20 +161,22 @@ func (d *display) layout(w, h int) error {
 	for _, r := range panelRows {
 		labelW = max(labelW, len(r)*d.text.cellW)
 	}
+	// Horizons narrow left to right — since reset, the last 90 s, this
+	// instant — so the NOW column sits where the timeline's own "now" lands.
 	d.labelX = uiMargin
 	d.nowW = 5 * d.textB.cellW
 	d.resetW = 5 * d.textB.cellW
-	d.nowX = d.labelX + labelW + uiColGap
-	d.resetX = w - uiMargin - d.resetW
+	d.resetX = d.labelX + labelW + uiColGap
+	d.nowX = w - uiMargin - d.nowW
 
-	cellsX := d.nowX + d.nowW + uiColGap
-	cellsW := d.resetX - uiColGap - cellsX
+	cellsX := d.resetX + d.resetW + uiColGap
+	cellsW := d.nowX - uiColGap - cellsX
 	d.cellW = (cellsW - (histSlots-1)*cellGapX) / histSlots
 	if d.cellW < 6 {
 		return fmt.Errorf("heat cells would be %dpx wide", d.cellW)
 	}
 	d.cellsW = histSlots*d.cellW + (histSlots-1)*cellGapX
-	// The leftover from rounding sits between the cells and the reset column.
+	// The leftover from rounding sits between the cells and the now column.
 	d.cellsX = cellsX
 
 	d.headerH = headerTop + ringD + 24
@@ -414,11 +416,11 @@ func (d *display) drawHeader(phy phyDisplay, hv histView, measuring bool,
 
 func (d *display) drawColHeaders() {
 	y := d.headerH + 8
-	d.textRightAt(d.small, d.nowX+d.nowW, y, "NOW", uiMuted)
+	d.textRightAt(d.small, d.resetX+d.resetW, y, "RESET", uiMuted)
 	hdr := "LAST 90 S"
 	hw := len([]rune(hdr)) * d.small.cellW
 	d.small.draw(d.fb, d.cellsX+(d.cellsW-hw)/2, y-d.small.capTop, hdr, uiMuted)
-	d.textRightAt(d.small, d.resetX+d.resetW, y, "RESET", uiMuted)
+	d.textRightAt(d.small, d.nowX+d.nowW, y, "NOW", uiMuted)
 	d.hairline(d.rowYs[0] - 1)
 }
 

ui_test.go

@@ -33,8 +33,8 @@ func TestPanelFitsScreen(t *testing.T) {
 	if d.cellW < 6 {
 		t.Errorf("heat cells %dpx wide, want at least 6", d.cellW)
 	}
-	if end := d.cellsX + d.cellsW; end > d.resetX {
-		t.Errorf("heat cells run to %d, past the reset column at %d", end, d.resetX)
+	if end := d.cellsX + d.cellsW; end > d.nowX {
+		t.Errorf("heat cells run to %d, past the now column at %d", end, d.nowX)
 	}
 	if last := d.rowYs[len(d.rowYs)-1] + d.rowH; last > d.resetBtn.y {
 		t.Errorf("rows end at %d, past the footer at %d", last, d.resetBtn.y)