Add movie search and add flow (M2)

Movies view with debounced Radarr lookup, detail pane, and an add dialog
(quality profile, root folder, monitored, search now). Global shortcuts
are suspended while typing or in a dialog.

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

cmd/arr-tui/main.go

@@ -29,7 +29,7 @@ func run() error {
 		*path = p
 	}
 
-	_, warnings, err := config.Load(*path)
+	cfg, warnings, err := config.Load(*path)
 	if err != nil {
 		return err
 	}
@@ -37,5 +37,5 @@ func run() error {
 		fmt.Fprintln(os.Stderr, "warning:", w)
 	}
 
-	return ui.New().Run()
+	return ui.New(cfg).Run()
 }