Fix device/replay/session UX issues, add pagination, bump to 0.3.0

- Fix device rename input collapsing on mobile (fixed width vs w-full
  inside an auto-layout table column).
- Add cascade-delete confirmation for sessions with a saved recording.
- Fix header connection LED: derive state from scanning/device-count/
  recording instead of the Buttplug client's raw connected flag; drop
  the label text and hide the indicator entirely when idle.
- Add a per-device disconnect button (stop + remove from store, the
  closest equivalent Buttplug's protocol allows per device).
- Fix replay ending early: duration now comes from the recording's
  actual durationMs, not the last event's timestamp.
- Replay robustness: show which devices are being replayed to, reset
  actuators to zero on start/play/pause, fully disconnect devices and
  the whole client on stop/unmount, surface command failures via toast.
- Stop flagging the header LED red during replay - recording is only
  for live sessions.
- Add page-number pagination to recordings/sessions/devices lists.
- Wordmark SEXY -> Sexy; add proper per-page <title>s including
  dynamic titles for recording/session detail and replay pages.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

components/devices/DevicesTable.tsx

@@ -38,8 +38,8 @@ function DeviceNameCell({ device }: { device: DeviceRow }) {
 
   return (
     <div className="flex items-center gap-2">
-      <Input value={value} onChange={(e) => setValue(e.target.value)} className="h-8 max-w-48" />
-      <Button size="sm" variant="outline" onClick={handleSave} disabled={saving}>
+      <Input value={value} onChange={(e) => setValue(e.target.value)} className="h-8 w-40 min-w-40" />
+      <Button size="sm" variant="outline" onClick={handleSave} disabled={saving} className="shrink-0">
         Save
       </Button>
     </div>