diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0193bbbe4..89707836e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,8 +11,10 @@ instead of waiting for a daily rollup to notice.
   first weigh-in of the day — the home screen now carries a calm "just in"
   note for a few hours after each one, and at most one written line a day per
   kind, grounded in your own numbers. Nothing changes if you run without an
-  AI provider: the note is the garnish, not the feature. The underlying
-  change that makes this possible without new polling or a flood of
+  AI provider: the sentence is the garnish, not the feature — the arrival
+  itself still appears, including on an otherwise-empty record, and an open
+  dashboard refreshes it as soon as the tab becomes visible again. The
+  underlying change that makes this possible without new polling or a flood of
   background work: every write path that can produce a genuinely new reading
   now emits a single typed event, day-scoped and de-duplicated, that a mass
   import or a provider re-sync produces none of — a ten-year import or a
diff --git a/e2e/today-just-in.spec.ts b/e2e/today-just-in.spec.ts
index 49e00ba81..5cb431938 100644
--- a/e2e/today-just-in.spec.ts
+++ b/e2e/today-just-in.spec.ts
@@ -15,11 +15,11 @@ import { E2E_USER, STORAGE_STATE_PATH } from "./setup/global-setup";
  *   1. load the dashboard with nothing fresh — no chip, day is provisional;
  *   2. land last night's sleep through the REAL batch endpoint, and the
  *      arrival marker the spine's worker would have written;
- *   3. bring the tab back to focus — which is one of the three refetch
- *      triggers the digest hook ALREADY declares (`refetchOnWindowFocus`,
- *      alongside `staleTime` and the 120 s foreground poll). Using the focus
- *      trigger keeps the test inside the real cadence while staying well
- *      under the poll interval, which no test timeout would survive;
+ *   3. surface the tab's real visibility-change signal — the browser event
+ *      TanStack Query's focus manager consumes for
+ *      `refetchOnWindowFocus: "always"` (alongside the 120 s foreground poll);
+ *      using that existing trigger keeps the test inside the real cadence
+ *      while staying well under the poll interval;
  *   4. assert the chip appeared and the phase flipped — in place, no reload.
  *
  * The marker is seeded directly rather than waited for from pg-boss: whether
@@ -71,29 +71,33 @@ test("a fresh arrival surfaces the just-in chip and flips the day in place", asy
     );
 
     // ── BEFORE ────────────────────────────────────────────────────────────
+    // The globally-seeded account is intentionally empty. Wait until the
+    // digest settles, then prove there is no stale hero or arrival chip.
     await page.goto("/");
-    const hero = page.locator('[data-slot="today-hero"]');
-    await expect(hero).toBeVisible({ timeout: 20_000 });
-    await expect(hero.locator('[data-slot="today-hero-just-in"]')).toHaveCount(
+    await expect(page.locator('[data-slot="today-hero-skeleton"]')).toHaveCount(
       0,
     );
+    const hero = page.locator('[data-slot="today-hero"]');
+    await expect(hero).toHaveCount(0);
 
     // ── NEW DATA LANDS ────────────────────────────────────────────────────
     // Last night's sleep through the real ingest route, on the session the
     // storage state already carries.
     const now = new Date();
     const wokeAt = new Date(now.getTime() - 60 * 60_000);
+    const fellAsleepAt = new Date(wokeAt.getTime() - 7 * 60 * 60_000);
 
     const batch = await page.request.post("/api/measurements/batch", {
       data: {
-        measurements: [
+        entries: [
           {
-            type: "SLEEP_DURATION",
-            value: 7,
-            unit: "h",
-            measuredAt: wokeAt.toISOString(),
+            hkIdentifier: "HKCategoryTypeIdentifierSleepAnalysis",
+            value: 420,
+            unit: "min",
+            startDate: fellAsleepAt.toISOString(),
+            endDate: wokeAt.toISOString(),
             externalId: `e2e-just-in-${now.getTime()}`,
-            source: "manual",
+            sleepStage: 3,
           },
         ],
       },
@@ -120,10 +124,11 @@ test("a fresh arrival surfaces the just-in chip and flips the day in place", asy
       [userId, localDate],
     );
 
-    // ── THE MOMENT ────────────────────────────────────────────────────────
-    // The tab regains focus — one of the digest hook's existing refetch
-    // triggers. Nothing new is introduced here and the page never reloads.
-    await page.evaluate(() => window.dispatchEvent(new Event("focus")));
+    // The tab becomes visible — the browser signal TanStack Query's focus
+    // manager consumes. The digest refetches in place; the page never reloads.
+    await page.evaluate(() =>
+      window.dispatchEvent(new Event("visibilitychange")),
+    );
 
     await expect(hero.locator('[data-slot="today-hero-just-in"]')).toBeVisible({
       timeout: 20_000,
diff --git a/src/components/daily/__tests__/today-hero-just-in.test.tsx b/src/components/daily/__tests__/today-hero-just-in.test.tsx
index afb978cb1..4f39b0c7f 100644
--- a/src/components/daily/__tests__/today-hero-just-in.test.tsx
+++ b/src/components/daily/__tests__/today-hero-just-in.test.tsx
@@ -76,6 +76,23 @@ describe("TodayHero — the just-in chip", () => {
     expect(html).toContain("Just in");
   });
 
+  it("renders for a bare account when the arrival has no generated line", () => {
+    const html = render(
+      <TodayHero
+        digest={digest({
+          score: null,
+          briefingLead: null,
+          worthALook: [],
+          reactionLine: null,
+          justIn: { kind: "sleep_night", at: ARRIVED_AT },
+        })}
+      />,
+    );
+
+    expect(html).toContain('data-slot="today-hero"');
+    expect(html).toContain('data-slot="today-hero-just-in"');
+  });
+
   it("emits NO formatted time and no raw ISO instant on the server pass", () => {
     const html = render(
       <TodayHero
diff --git a/src/components/daily/today-hero.tsx b/src/components/daily/today-hero.tsx
index 8a19e25f0..38431625e 100644
--- a/src/components/daily/today-hero.tsx
+++ b/src/components/daily/today-hero.tsx
@@ -126,15 +126,20 @@ export function TodayHero({ digest }: { digest: DailyDigest }) {
   const justInTime = digest.justIn ? formatJustInTime(digest.justIn.at) : null;
 
   // Calm degrade (plan §3): a genuinely empty account — no score, no rail
-  // items, and no cached briefing lead — surfaces nothing here. The tile
-  // strip below carries its own "add your first reading" empty state, so a
-  // second alarming empty card on the hero would be noise. The all-clear
-  // state (score present, nothing needs attention) is handled inline below.
-  // A freshly-generated reaction line counts as content in its own right: an
-  // otherwise-bare account whose first reading just landed has something
-  // honest to say, and swallowing it here would hide the one moment this
-  // surface exists for.
-  if (!hasScore && !hasItems && !digest.briefingLead && !digest.reactionLine) {
+  // items, no cached briefing lead, and no fresh arrival — surfaces nothing
+  // here. The tile strip below carries its own "add your first reading" empty
+  // state, so a second alarming empty card on the hero would be noise. The
+  // all-clear state (score present, nothing needs attention) is handled inline
+  // below. A fresh marker counts as content even when line generation was
+  // unavailable: the deterministic digest line still gives the hero an honest
+  // lead, and hiding the marker would lose the arrival moment entirely.
+  if (
+    !hasScore &&
+    !hasItems &&
+    !digest.briefingLead &&
+    !digest.reactionLine &&
+    !digest.justIn
+  ) {
     return null;
   }
 
diff --git a/src/lib/arrivals/__tests__/backfill-immunity.test.ts b/src/lib/arrivals/__tests__/backfill-immunity.test.ts
index a8229eeef..a612014a2 100644
--- a/src/lib/arrivals/__tests__/backfill-immunity.test.ts
+++ b/src/lib/arrivals/__tests__/backfill-immunity.test.ts
@@ -23,9 +23,14 @@
  * classifier's return value. Testing the classifier alone would prove the
  * predicate correct while saying nothing about whether the seam consults it.
  */
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it, vi, type Mock } from "vitest";
 
-const sendMock = vi.fn(async () => "job-id");
+// Typed explicitly (rather than via named implementation params) so
+// `.mock.calls[N][idx]` below keeps its three-argument shape without any
+// parameter sitting unused in the implementation itself.
+const sendMock: Mock<
+  (queue: string, payload: unknown, opts: unknown) => Promise<string>
+> = vi.fn(async () => "job-id");
 const annotateMock = vi.fn();
 let moduleMap: Record<string, boolean> = {};
 let timezone = "Europe/Berlin";
diff --git a/src/lib/jobs/__tests__/data-arrival-worker.test.ts b/src/lib/jobs/__tests__/data-arrival-worker.test.ts
index e5e6bcedd..a66389156 100644
--- a/src/lib/jobs/__tests__/data-arrival-worker.test.ts
+++ b/src/lib/jobs/__tests__/data-arrival-worker.test.ts
@@ -12,7 +12,7 @@
  *     job, and retrying against a ceiling that will not move until the local
  *     day rolls over is a loop.
  */
-import { beforeEach, describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it, vi, type Mock } from "vitest";
 
 vi.mock("@/lib/logging/context", () => ({ annotate: vi.fn() }));
 vi.mock("@/lib/logging/background", () => ({
@@ -35,8 +35,15 @@ vi.mock("@/lib/jobs/workout-insight-generate-shared", () => ({
   enqueueWorkoutInsight: vi.fn(async () => ({ enqueued: true })),
 }));
 
-const createMany = vi.fn(async () => ({ count: 1 }));
-const updateMany = vi.fn(async () => ({ count: 1 }));
+// Typed explicitly (rather than via a named implementation param) so
+// `.mock.calls[N][0]` below keeps its one-argument shape without a param
+// sitting unused in the implementation itself.
+const createMany: Mock<(args: unknown) => Promise<{ count: number }>> = vi.fn(
+  async () => ({ count: 1 }),
+);
+const updateMany: Mock<(args: unknown) => Promise<{ count: number }>> = vi.fn(
+  async () => ({ count: 1 }),
+);
 const fakePrisma = { arrivalReaction: { createMany, updateMany } };
 
 const { runDataArrival } = await import("../data-arrival");
diff --git a/src/lib/queries/use-daily-digest.ts b/src/lib/queries/use-daily-digest.ts
index dfbbb55d0..d6384d3bf 100644
--- a/src/lib/queries/use-daily-digest.ts
+++ b/src/lib/queries/use-daily-digest.ts
@@ -35,12 +35,14 @@ export function useDailyDigest(enabled = true) {
     queryFn: () => apiGet<DailyDigest>("/api/daily/digest"),
     enabled,
     // Match the dashboard snapshot's freshness so the hero and the tile
-    // strip below it share one refresh cadence: a warm remount inside the
-    // minute is free; a background sync surfaces on focus; an open tab
-    // polls in the foreground only.
+    // strip share one refresh cadence. Every real window-focus transition
+    // refetches even inside the minute freshness window: arrival markers are
+    // written out-of-band by sync workers, so the browser has no mutation it
+    // could use to invalidate this cache. The 120 s foreground poll remains the
+    // fallback while the tab stays open.
     staleTime: 60_000,
     refetchOnMount: false,
-    refetchOnWindowFocus: true,
+    refetchOnWindowFocus: "always",
     refetchInterval: DASHBOARD_REFETCH_INTERVAL_MS,
     refetchIntervalInBackground: false,
     // One retry on transient network / 5xx (never 401/403) so a single