TUI: Del key deletes closed/lost state files (local+SSH, live refused), sort-column ▼ marker, delete/shellquote/sort-column tests

main_test.go

@@ -172,3 +172,34 @@ func TestLegacyWindow(t *testing.T) {
 }
 
 func strptr(s string) *string { return &s }
+
+// shellQuote must produce a POSIX-safe single-quoted argument.
+func TestShellQuote(t *testing.T) {
+	if got := shellQuote("fix pi mcp subagent.json"); got != "'fix pi mcp subagent.json'" {
+		t.Fatalf("spaces: %s", got)
+	}
+	if got := shellQuote("it's a.json"); got != `'it'\''s a.json'` {
+		t.Fatalf("quote: %s", got)
+	}
+}
+
+// buildColumns marks the correct header for each sort mode.
+func TestSortColumnMarker(t *testing.T) {
+	cols := buildColumns(sortStarted)
+	if cols[4].Title == "Started" || cols[4].Title == "" {
+		t.Fatalf("expected Started column to be marked, got %q", cols[4].Title)
+	}
+	if !strings.Contains(cols[4].Title, "▼") {
+		t.Fatalf("expected ▼ marker, got %q", cols[4].Title)
+	}
+	// other columns untouched
+	if cols[2].Title != "Folder" {
+		t.Fatalf("Folder column should be unmarked, got %q", cols[2].Title)
+	}
+	// activity mode has no column
+	for _, c := range buildColumns(sortActivity) {
+		if strings.Contains(c.Title, "▼") {
+			t.Fatalf("activity mode should not mark any column, got %q", c.Title)
+		}
+	}
+}