Status bar: advertise F9 for help, which works everywhere

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

internal/ui/app.go

@@ -373,7 +373,7 @@ func (a *App) renderStatus() {
 		if v.captureKeys { // q and ? are text there
 			parts = append(parts, "F9 help · F1-F7 views")
 		} else {
-			parts = append(parts, "? help · F1-F7 · q quit")
+			parts = append(parts, "F9 help · F1-F7 · q quit")
 		}
 		hints = strings.Join(parts, " · ")
 	}

internal/ui/help.go

@@ -8,7 +8,8 @@ import (
 const helpText = `[yellow]Global[-]
   F1-F7                  switch view (also from the release and episode lists)
   Tab, Shift+Tab         switch panel within a view
-  ?, F9                  this help (F9 works while typing)
+  F9, ?                  this help. F9 works everywhere; ? only when no text
+                         field has the focus (press Esc first in a search box)
   q, Ctrl+C              quit
   Esc                    close dialog / go back