Fix Control view button layout and responsiveness

The scan/record button row used justify-between, spreading the two
button groups to opposite ends instead of sitting next to each other.
Also made the record-controls row and each device card's header wrap
instead of overflowing on narrow screens.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzyfRyA7h5rs5SCAahLAWd

components/control/DeviceCard.tsx

@@ -37,9 +37,9 @@ export function DeviceCard({
 }: DeviceCardProps) {
   return (
     <Card className="bp-glass">
-      <CardHeader className="flex flex-row items-center justify-between pb-3">
-        <span className="text-sm font-medium text-foreground">{device.displayName ?? device.name}</span>
-        <div className="flex items-center gap-3">
+      <CardHeader className="flex flex-row flex-wrap items-center justify-between gap-2 pb-3">
+        <span className="min-w-0 truncate text-sm font-medium text-foreground">{device.displayName ?? device.name}</span>
+        <div className="flex shrink-0 items-center gap-3">
           {device.hasBattery &&
             (batteryLevel !== null ? (
               <BatteryIndicator level={batteryLevel} />