fix: ui fixes

lib/sadhna.ts

@@ -143,15 +143,8 @@ export const sadhna = {
   /** Acknowledge pending celebrations after showing the confetti. */
   ackRewards: () => call<void>("/sadhna/rewards/ack", { method: "POST" }),
 
-  /** Whether daily sādhana reminders are enabled for the caller. */
-  reminderPrefs: () => call<{ enabled: boolean }>("/sadhna/reminders"),
-
-  /** Toggle daily sādhana reminders. */
-  setReminderPrefs: (enabled: boolean) =>
-    call<{ enabled: boolean }>("/sadhna/reminders", {
-      method: "PUT",
-      body: JSON.stringify({ enabled }),
-    }),
+  // Reminder prefs moved to the notification matrix —
+  // see `notifications.prefs()` in lib/social.ts.
 
   /** Report the browser's IANA timezone so reminders fire at local time. */
   setTimezone: (timezone: string) =>