Remove the '?' help key from the docs and help: F9 is the help key

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/ui/help.go

@@ -21,7 +21,7 @@ var helpSections = []helpSection{
 	{title: "Global", items: []helpItem{
 		{"F1-F7", "switch view (also from the release and episode lists)"},
 		{"Tab, Shift+Tab", "switch panel within a view"},
-		{"F9, ?", "this help. F9 works everywhere; ? only when no text field has the focus (press Esc first in a search box)"},
+		{"F9", "this help (works everywhere, also while typing)"},
 		{"q, Ctrl+C", "quit"},
 		{"Esc", "close a dialog / go back"},
 	}},
@@ -70,7 +70,7 @@ var helpSections = []helpSection{
 		{"↑↓, Tab", "move between fields / to the next section"},
 		{"Space", "toggle a checkbox"},
 		{"Enter", "press a button: Test connections checks the three services with the values typed in; Save writes the file and applies everything at once; Revert discards edits"},
-		{"q, ?", "are typed here as text; F9 opens this help"},
+		{"q", "is typed here as text (it does not quit); F9 opens this help"},
 	}},
 	{title: "Log (F7)", note: "Popups fade away by themselves; everything they said is kept here.", items: []helpItem{
 		{"↑↓, PgUp, PgDn", "scroll"},
@@ -136,12 +136,12 @@ func (a *App) showHelp() {
 	tv.SetBorderPadding(0, 0, 1, 0)
 	tv.SetText(text)
 	tv.SetInputCapture(func(ev *tcell.EventKey) *tcell.EventKey {
-		if ev.Key() == tcell.KeyEsc || (ev.Key() == tcell.KeyRune && (ev.Rune() == 'q' || ev.Rune() == '?')) {
+		if ev.Key() == tcell.KeyEsc || (ev.Key() == tcell.KeyRune && ev.Rune() == 'q') {
 			a.closeModal()
 			return nil
 		}
 		return ev
 	})
 	height := min(screenH-2, strings.Count(text, "\n")+2)
-	a.openModalHints(tv, width, height, "↑↓ PgUp PgDn scroll · Esc, q or ? close")
+	a.openModalHints(tv, width, height, "↑↓ PgUp PgDn scroll · Esc or q close")
 }