Revert "feat: open dialog for model variant selection instead of cycling (anomalyco#19534)"

This reverts commit 2b86b36.

Author: strayge

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -121,7 +121,6 @@ async function getTerminalBackgroundColor(): Promise<"dark" | "light"> {
 }
 
 import type { EventSource } from "./context/sdk"
-import { DialogVariant } from "./component/dialog-variant"
 
 function rendererConfig(_config: TuiConfig.Info): CliRendererConfig {
   return {
@@ -581,12 +580,12 @@ function App(props: { onSnapshot?: () => Promise<string[]> }) {
       },
     },
     {
-      title: "Switch model variant",
+      title: "Variant cycle",
       value: "variant.cycle",
       keybind: "variant_cycle",
       category: "Agent",
       onSelect: () => {
-        dialog.replace(() => <DialogVariant />)
+        local.model.variant.cycle()
       },
     },
     {