fix(onboarding): harden release acceptance

apps/nextjs/src/components/onboarding/board-tour.tsx

@@ -93,7 +93,7 @@ export const BoardTourProvider = ({ children }: PropsWithChildren) => {
 
   return (
     <TourTargetsProvider enabled={started}>
-      <TourShell steps={steps} started={started} onEnd={handleEnd} position={{ base: "bottom", sm: "left" }}>
+      <TourShell steps={steps} started={started} onEnd={handleEnd} position={{ base: "bottom", md: "left" }}>
         {children}
       </TourShell>
     </TourTargetsProvider>

apps/nextjs/src/components/onboarding/tour-shell.tsx

@@ -181,8 +181,8 @@ export const TourShell = ({ steps, started, onEnd, stepRoutes, position, childre
       focusRevealProps={{
         disableTargetInteraction: true,
         popoverProps: {
-          position: position ?? { base: "bottom", sm: "right" },
-          width: 420,
+          position: position ?? { base: "bottom", md: "right" },
+          width: { base: "calc(100vw - 32px)", md: 420 },
           shadow: "xl",
           radius: "lg",
           middlewares: { shift: { padding: 16 }, flip: true },