Fix login dialog cursor alignment

packages/agent/modes/login_dialog.go

@@ -490,7 +490,11 @@ func (d *loginDialog) CursorPos(width int) (row, col int) {
 		wrapW = 20
 	}
 	urlLines := len(tui.WrapANSILine(d.url, wrapW))
-	baseOffset := 1 /*frameHeader*/ + 1 /*hint*/ + urlLines + 1 /*blank*/ + 1 /*prompt*/
+	// interactive.redraw wraps dialog output with padDialogFrame, which
+	// injects a blank row after the frame header. Count that row here so
+	// the real terminal cursor lands on the editor input instead of the
+	// prompt above it.
+	baseOffset := 1 /*frameHeader*/ + 1 /*padDialogFrame blank*/ + 1 /*hint*/ + urlLines + 1 /*blank*/ + 1 /*prompt*/
 	return baseOffset + eRow, eCol
 }
 

packages/agent/modes/login_dialog_test.go

@@ -0,0 +1,25 @@
+package modes
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/patriceckhart/zot/packages/tui"
+)
+
+func TestLoginDialogCursorPosMatchesPaddedInputRow(t *testing.T) {
+	d := newLoginDialog()
+	d.Open(t.TempDir())
+	d.method = "oauth"
+	d.provider = "anthropic"
+	d.ShowWaiting("https://example.com/oauth/authorize?code_challenge=abc&state=xyz")
+
+	lines := padDialogFrame(d.Render(tui.Theme{}, 80))
+	row, _ := d.CursorPos(80)
+	if row < 0 || row >= len(lines) {
+		t.Fatalf("CursorPos row = %d outside rendered lines %d", row, len(lines))
+	}
+	if got := stripANSIBytes(lines[row]); !strings.Contains(got, "▌") {
+		t.Fatalf("CursorPos row %d = %q; want editor input row", row, got)
+	}
+}