diff --git a/app/src/app/_layout.tsx b/app/src/app/_layout.tsx
index 69d13dc..dda5c4a 100644
--- a/app/src/app/_layout.tsx
+++ b/app/src/app/_layout.tsx
@@ -6,6 +6,7 @@ import { AppState, Pressable } from "react-native";
import { GestureHandlerRootView } from "react-native-gesture-handler";
import { getState, hydrate, subscribe, sync } from "../lib/store";
import Icon from "../components/Icon";
+import { ToastHost } from "../components/Toast";
import { C, space } from "../lib/theme";
import { refreshNextUpWidget } from "../widget/refresh";
@@ -74,6 +75,7 @@ export default function RootLayout() {
+
);
}
diff --git a/app/src/app/project/[id].tsx b/app/src/app/project/[id].tsx
index 8fb8377..2fa815a 100644
--- a/app/src/app/project/[id].tsx
+++ b/app/src/app/project/[id].tsx
@@ -4,7 +4,8 @@ import { FlatList, Pressable, StyleSheet, Text, TextInput, View } from "react-na
import Icon from "../../components/Icon";
import { Button, cardEdges, Chips, Empty, Separator } from "../../components/ui";
import { haptic } from "../../lib/haptics";
-import { createTask, dropProject, updateProject, updateTask } from "../../lib/store";
+import { createTask, dropProject, updateProject } from "../../lib/store";
+import { completeWithUndo } from "../../lib/undo";
import { C, radius, space, type } from "../../lib/theme";
import { useStore } from "../../lib/useStore";
import type { ProjectStatus } from "../../lib/types";
@@ -68,10 +69,7 @@ export default function ProjectDetail() {
{
- haptic.success();
- updateTask(item.id, { status: "done" });
- }}
+ onPress={() => completeWithUndo(item)}
/>
diff --git a/app/src/app/review.tsx b/app/src/app/review.tsx
index e06e0a5..772f9be 100644
--- a/app/src/app/review.tsx
+++ b/app/src/app/review.tsx
@@ -10,6 +10,7 @@ import { haptic } from "../lib/haptics";
import { PRIORITY_COLOR } from "../lib/priority";
import { daysSince, markReviewed, useLastReview } from "../lib/review";
import { reviewBuckets, trashTask, updateTask } from "../lib/store";
+import { completeWithUndo } from "../lib/undo";
import { C, radius, space, type } from "../lib/theme";
import { useStore } from "../lib/useStore";
import type { Task } from "../lib/types";
@@ -34,10 +35,7 @@ function ReviewRow({
{
- haptic.success();
- updateTask(task.id, { status: "done" });
- })}
+ onPress={() => completeWithUndo(task)}
>
diff --git a/app/src/app/task/[id].tsx b/app/src/app/task/[id].tsx
index 66f672e..3172569 100644
--- a/app/src/app/task/[id].tsx
+++ b/app/src/app/task/[id].tsx
@@ -5,6 +5,7 @@ import TaskForm, { CAPTURE_BOXES, type TaskDraft } from "../../components/TaskFo
import { Button, Empty } from "../../components/ui";
import { haptic } from "../../lib/haptics";
import { trashTask, updateTask } from "../../lib/store";
+import { completeWithUndo } from "../../lib/undo";
import { C, space, type } from "../../lib/theme";
import { useStore } from "../../lib/useStore";
import type { Task, TaskStatus } from "../../lib/types";
@@ -37,8 +38,13 @@ export default function TaskDetail() {
if (!original || !draft) return Task not found.;
const save = () => {
- updateTask(original.id, { ...draft, priority: draft.priority ?? 3 });
- haptic.success();
+ const { status, ...rest } = draft;
+ const completing = status === "done" && original.status !== "done";
+ // Completing from Clarify gets the same Undo as a checkbox; the toast
+ // lives in the root layout so it outlives this modal.
+ updateTask(original.id, { ...rest, ...(completing ? {} : { status }), priority: draft.priority ?? 3 });
+ if (completing) completeWithUndo(original, original.status);
+ else haptic.success();
router.back();
};
diff --git a/app/src/components/TaskRow.tsx b/app/src/components/TaskRow.tsx
index 9b43dbb..d29c935 100644
--- a/app/src/components/TaskRow.tsx
+++ b/app/src/components/TaskRow.tsx
@@ -6,6 +6,7 @@ import { haptic } from "../lib/haptics";
import { formatEstimate, PRIORITY_COLOR } from "../lib/priority";
import { updateTask } from "../lib/store";
import { C, radius, space, type } from "../lib/theme";
+import { completeWithUndo } from "../lib/undo";
import type { Task, TaskStatus } from "../lib/types";
export default function TaskRow({
@@ -13,6 +14,7 @@ export default function TaskRow({
uncheckTo = "next",
showStatus,
onLongPress,
+ emphasized,
}: {
task: Task;
/** Status to revert to when un-checking a done task. */
@@ -20,6 +22,8 @@ export default function TaskRow({
showStatus?: boolean;
/** Drag handle for reorderable lists. */
onLongPress?: () => void;
+ /** The one thing to do now — bigger, tinted, labelled. */
+ emphasized?: boolean;
}) {
const router = useRouter();
const done = task.status === "done";
@@ -41,16 +45,18 @@ export default function TaskRow({
const flag = PRIORITY_COLOR[task.priority];
const toggle = () => {
- const next = task.status !== "done";
- if (next) haptic.success();
- else haptic.tap();
- updateTask(task.id, { status: next ? "done" : uncheckTo });
+ if (!done) {
+ completeWithUndo(task);
+ return;
+ }
+ haptic.tap();
+ updateTask(task.id, { status: uncheckTo });
};
return (
[s.row, pressed && s.rowPressed]}
+ style={({ pressed }) => [s.row, emphasized && s.rowEmphasized, pressed && s.rowPressed]}
onPress={() => router.push(`/task/${task.id}`)}
onLongPress={onLongPress}
delayLongPress={200}
@@ -59,14 +65,20 @@ export default function TaskRow({
The border carries the priority colour, so priority is legible at a
glance without spending a whole column on a flag. */}
{done && ✓}
-
+ {emphasized && NOW}
+
{task.title}
{!!meta && (
@@ -92,6 +104,10 @@ const s = StyleSheet.create({
backgroundColor: C.surface,
},
rowPressed: { backgroundColor: C.surface2 },
+ rowEmphasized: { backgroundColor: C.accentSoft, paddingVertical: space.lg + 2 },
+ checkboxEmphasized: { width: 26, height: 26, borderRadius: 8 },
+ nowLabel: { fontSize: 10, fontWeight: "700", letterSpacing: 1.2, color: C.accent, marginBottom: 2 },
+ titleEmphasized: { fontSize: 19, fontWeight: "600", lineHeight: 24 },
checkbox: {
width: 22,
height: 22,
diff --git a/app/src/components/Toast.tsx b/app/src/components/Toast.tsx
new file mode 100644
index 0000000..b898b32
--- /dev/null
+++ b/app/src/components/Toast.tsx
@@ -0,0 +1,98 @@
+// One app-wide snackbar, mounted once in the root layout. `showToast` is a
+// plain function so stores and rows can call it without a context hop. A new
+// toast replaces the current one (last action wins) and the timer restarts.
+import { useEffect, useState } from "react";
+import { Pressable, StyleSheet, Text } from "react-native";
+import Animated, { FadeInDown, FadeOutDown } from "react-native-reanimated";
+import { useSafeAreaInsets } from "react-native-safe-area-context";
+import { haptic } from "../lib/haptics";
+import { C, radius, shadow, space, type } from "../lib/theme";
+
+export interface ToastSpec {
+ message: string;
+ action?: { label: string; onPress: () => void };
+}
+
+const DURATION_MS = 5000;
+// Sits on the home FAB's baseline (index.tsx `fab.bottom`) — above the
+// launcher bar, and the right padding leaves the FAB itself uncovered.
+const FAB_BOTTOM = 104;
+const FAB_CLEARANCE = space.xl + 56 + space.md;
+
+let setCurrent: ((t: ToastSpec | null) => void) | null = null;
+
+export function showToast(spec: ToastSpec) {
+ setCurrent?.(spec);
+}
+
+export function ToastHost() {
+ const [toast, setToast] = useState(null);
+ const insets = useSafeAreaInsets();
+
+ useEffect(() => {
+ setCurrent = setToast;
+ return () => {
+ if (setCurrent === setToast) setCurrent = null;
+ };
+ }, []);
+
+ useEffect(() => {
+ if (!toast) return;
+ const timer = setTimeout(() => setToast(null), DURATION_MS);
+ return () => clearTimeout(timer);
+ }, [toast]);
+
+ if (!toast) return null;
+ const { action } = toast;
+ return (
+
+ setToast(null)}>
+
+ {toast.message}
+
+ {action && (
+ {
+ haptic.tap();
+ setToast(null);
+ action.onPress();
+ }}
+ style={({ pressed }) => [s.action, pressed && { opacity: 0.6 }]}
+ >
+ {action.label}
+
+ )}
+
+
+ );
+}
+
+const s = StyleSheet.create({
+ wrap: {
+ position: "absolute",
+ left: space.lg,
+ right: FAB_CLEARANCE,
+ alignItems: "flex-start",
+ },
+ toast: {
+ flexDirection: "row",
+ alignItems: "center",
+ gap: space.lg,
+ maxWidth: 420,
+ paddingVertical: space.md,
+ paddingLeft: space.lg,
+ paddingRight: space.md,
+ borderRadius: radius.pill,
+ backgroundColor: C.text,
+ ...shadow.fab,
+ },
+ message: { ...type.row, color: C.bg, flexShrink: 1 },
+ action: { paddingVertical: space.xs, paddingHorizontal: space.sm },
+ actionText: { ...type.row, color: C.accentSoft, fontWeight: "600" },
+});
diff --git a/app/src/lib/store.test.ts b/app/src/lib/store.test.ts
new file mode 100644
index 0000000..f2cb301
--- /dev/null
+++ b/app/src/lib/store.test.ts
@@ -0,0 +1,63 @@
+// Store unit tests — run with `bun test src/lib`. Expo/native modules are
+// mocked so the local-first mutations run in plain Bun.
+import { beforeEach, describe, expect, mock, test } from "bun:test";
+
+const storage = new Map();
+mock.module("@react-native-async-storage/async-storage", () => ({
+ default: {
+ getItem: async (k: string) => storage.get(k) ?? null,
+ setItem: async (k: string, v: string) => void storage.set(k, v),
+ },
+}));
+let seq = 0;
+mock.module("expo-crypto", () => ({
+ randomUUID: () => `00000000-0000-4000-8000-${String(++seq).padStart(12, "0")}`,
+}));
+mock.module("./api", () => ({ api: {} }));
+mock.module("./config", () => ({ getConfig: async () => ({ token: "" }) }));
+
+const store = await import("./store");
+
+beforeEach(async () => {
+ storage.clear();
+ await store.hydrate();
+});
+
+const find = (id: string) => store.getState().tasks.find((t) => t.id === id)!;
+
+describe("completeTask", () => {
+ test("marks done and undo restores the original status in place", () => {
+ const a = store.createTask({ title: "a", status: "waiting", sort_order: 5 });
+ const undo = store.completeTask(a.id);
+ expect(find(a.id).status).toBe("done");
+ expect(find(a.id).completed_at).not.toBeNull();
+ undo!();
+ expect(find(a.id).status).toBe("waiting");
+ expect(find(a.id).completed_at).toBeNull();
+ expect(find(a.id).sort_order).toBe(5);
+ });
+
+ test("revertTo overrides the status undo returns to", () => {
+ const a = store.createTask({ title: "a", status: "next" });
+ store.completeTask(a.id, "someday")!();
+ expect(find(a.id).status).toBe("someday");
+ });
+
+ test("undo of a repeating task trashes the spawned occurrence", () => {
+ const a = store.createTask({ title: "rent", repeat: "monthly", due_date: "2026-09-01" });
+ const known = new Set(store.getState().tasks.map((t) => t.id));
+ const undo = store.completeTask(a.id)!;
+ const spawned = store.getState().tasks.filter((t) => !known.has(t.id));
+ expect(spawned).toHaveLength(1);
+ expect(spawned[0].status).toBe("next");
+ undo();
+ expect(find(a.id).status).toBe("next");
+ expect(find(spawned[0].id).status).toBe("trashed");
+ });
+
+ test("returns null for an already-done or unknown task", () => {
+ const a = store.createTask({ title: "a", status: "done" });
+ expect(store.completeTask(a.id)).toBeNull();
+ expect(store.completeTask("nope")).toBeNull();
+ });
+});
diff --git a/app/src/lib/store.ts b/app/src/lib/store.ts
index dc66948..9d3ef00 100644
--- a/app/src/lib/store.ts
+++ b/app/src/lib/store.ts
@@ -136,6 +136,11 @@ export function createTask(data: Partial & { title: string }): Task {
}
export function updateTask(id: string, patch: Partial) {
+ applyTaskUpdate(id, patch);
+}
+
+/** Applies a patch; returns the next occurrence if completing spawned one. */
+function applyTaskUpdate(id: string, patch: Partial): Task | null {
const before = state.tasks.find((t) => t.id === id);
setState({
tasks: state.tasks.map((t) => {
@@ -152,11 +157,28 @@ export function updateTask(id: string, patch: Partial) {
// done row later leaves the spawn in place — it's one tap to trash, versus
// silently deleting a row the user may have edited.
if (before && before.repeat && before.status !== "done" && patch.status === "done") {
- spawnNextOccurrence(before);
+ return spawnNextOccurrence(before);
}
+ return null;
}
-function spawnNextOccurrence(t: Task) {
+/**
+ * Complete a task and hand back an undo. Undo puts the task back where it was
+ * (same status and sort slot) and trashes the occurrence a repeat spawned, so
+ * a mis-tap leaves no trace. Returns null when there's nothing to complete.
+ */
+export function completeTask(id: string, revertTo?: Task["status"]): (() => void) | null {
+ const before = state.tasks.find((t) => t.id === id);
+ if (!before || before.status === "done") return null;
+ const spawned = applyTaskUpdate(id, { status: "done" });
+ const back = revertTo ?? before.status;
+ return () => {
+ updateTask(id, { status: back });
+ if (spawned) trashTask(spawned.id);
+ };
+}
+
+function spawnNextOccurrence(t: Task): Task {
const today = todayIso();
const due = t.due_date ? nextOccurrence(t.due_date, t.repeat!, today) : null;
// Keep the same lead time between defer and due (e.g. "surfaces 3 days before").
@@ -168,7 +190,7 @@ function spawnNextOccurrence(t: Task) {
: t.defer_date
? nextOccurrence(t.defer_date, t.repeat!, today)
: null;
- createTask({
+ return createTask({
title: t.title,
notes: t.notes,
status: t.status,
diff --git a/app/src/lib/undo.ts b/app/src/lib/undo.ts
new file mode 100644
index 0000000..d812cd5
--- /dev/null
+++ b/app/src/lib/undo.ts
@@ -0,0 +1,13 @@
+// Complete + "Undo" toast, shared by every checkbox in the app so a mis-tap
+// is one tap to take back wherever it happened.
+import { showToast } from "../components/Toast";
+import { haptic } from "./haptics";
+import { completeTask } from "./store";
+import type { Task, TaskStatus } from "./types";
+
+export function completeWithUndo(task: Pick, revertTo?: TaskStatus) {
+ const undo = completeTask(task.id, revertTo);
+ if (!undo) return;
+ haptic.success();
+ showToast({ message: `Completed “${task.title}”`, action: { label: "Undo", onPress: undo } });
+}
diff --git a/app/tsconfig.json b/app/tsconfig.json
index 2e9a669..2345d97 100644
--- a/app/tsconfig.json
+++ b/app/tsconfig.json
@@ -16,5 +16,8 @@
"**/*.tsx",
".expo/types/**/*.ts",
"expo-env.d.ts"
+ ],
+ "exclude": [
+ "**/*.test.ts"
]
}