Repeats, estimates, weekly review: completing a repeating task spawns the next occurrence; estimate chips + quick-add tokens (~30m, monthly); review screen with one-tap triage; server gains repeat column and applies its idempotent schema at boot

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

app/src/lib/review.ts

@@ -0,0 +1,29 @@
+// Last-completed-review timestamp, local only — the review is a habit, not
+// synced data.
+import AsyncStorage from "@react-native-async-storage/async-storage";
+import { useCallback, useEffect, useState } from "react";
+
+const KEY = "review_last_v1";
+
+export async function getLastReview(): Promise<string | null> {
+  return AsyncStorage.getItem(KEY);
+}
+
+export async function markReviewed(): Promise<void> {
+  await AsyncStorage.setItem(KEY, new Date().toISOString());
+}
+
+export function daysSince(iso: string | null): number | null {
+  if (!iso) return null;
+  return Math.floor((Date.now() - new Date(iso).getTime()) / 86_400_000);
+}
+
+/** [lastReviewIso, reload] — call reload on focus to pick up changes. */
+export function useLastReview(): [string | null, () => void] {
+  const [last, setLast] = useState<string | null>(null);
+  const reload = useCallback(() => {
+    void getLastReview().then(setLast);
+  }, []);
+  useEffect(reload, [reload]);
+  return [last, reload];
+}