Serialise time zone adoption with the missed-sweep scheduler

The wake flag compared an adoption only against the plan the loop last
recorded, so New York -> UTC -> New York during the re-plan read left
the scheduler sleeping on UTC midnight; and an adoption committing
between the pre-sweep check and the sweep still let the stale sweep run.

`MissedSweepScheduler.settings_lock` now serialises the panel's adoption
(write plus `settings_changed`) with the loop's plan read and with its
pre-sweep re-read plus sweep.  It is never held across the wait, and the
loop holds nothing else while acquiring it, so a panel request is at
most delayed by one settings read or one sweep.

`_sleep_unless_woken` now cancels and awaits both child tasks, and
re-raises a failed sleep inside the loop's retry block, so the backoff
runs instead of a sweep and nothing outlives `stop()`.

Tests (all four fail on bcf387d): the successive-zone race, an adoption
issued during the pre-sweep check, a failing sleep, and stop() waiting
for the sleep's cancellation cleanup.

Task: 6351b36d-0eef-4e7d-bf5a-96b754cbc883

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

RELEASE_NOTES.md

@@ -1,5 +1,96 @@
 # NestQuest Release Notes
 
+## Version 0.9.5 — 2026-09-27
+
+### Scope
+
+Patch release carrying the kids' panel Return button onto `main`.
+
+- **Return button:** the Quest Log header now shows an explicit Return control —
+  a left chevron plus "The Party", 72px high and sized to its label, sitting left
+  of the crest — so a child
+  can go straight back to the main Party board instead of waiting out the 40 s
+  idle return. It calls the same navigation the idle return uses
+  (`board_path` + `location-changed`), so there is exactly one navigation path.
+  It is hidden when no board path is configured, appears on every header-bearing
+  Quest Log screen (normal, away, and "no quests today"), and does not appear on
+  the Quest-complete screen, which keeps its 12 s auto-return. The control meets
+  the panel's hard rules (72px tap target, 26px label, `:active` feedback only,
+  clear of the window columns and the dock), and the 40 s idle return and
+  crest-tap navigation are unchanged. (PR #272.)
+
+### Upgrade note
+
+The database schema is unchanged at version **9**; no migration or backup step is
+needed. No runtime dependency is added — only the bundled panel card changed.
+
+### Requirements
+
+Home Assistant 2024.6.0 or newer. Install through HACS from the
+`Maniacs-Mansion/NestQuest` GitHub mirror (kept current by the Gitea push
+mirror).
+
+## Version 0.9.4 — 2026-09-26
+
+### Scope
+
+Patch release fixing the admin timezone control that shipped in 0.9.3.
+
+- **Clearing the timezone now persists:** in 0.9.3 the Settings screen
+  re-detected the browser zone whenever the timezone field was empty, so an admin
+  could not leave it empty ("use the API host's local time") — closing and
+  reopening the screen set it again. A new persisted, API-only
+  `timezone_configured` marker (default `false`) now distinguishes "never set"
+  from "admin chose empty": the one-time auto-set runs only when the timezone is
+  empty AND the marker is false, and any saved timezone change — including
+  clearing it — sets the marker, so an explicit empty choice survives. (PRs #266,
+  #268.)
+- Nothing else changes: the `timezone` setting, its auto-set from the browser zone
+  on a fresh install, the Add/Save flow, and the rest of the Settings screen are
+  as in 0.9.3.
+
+### Upgrade note
+
+The database schema is unchanged at version **9**; no migration or backup step is
+needed. Settings stored before this release have no `timezone_configured` value
+and read it as `false`, so an install whose timezone is empty will auto-set the
+browser zone once on the next open — after which the choice persists.
+
+### Requirements
+
+Home Assistant 2024.6.0 or newer. Install through HACS from the
+`Maniacs-Mansion/NestQuest` GitHub mirror (kept current by the Gitea push
+mirror).
+
+## Version 0.9.3 — 2026-09-26
+
+### Scope
+
+Patch release carrying the admin timezone control onto `main`.
+
+- **Admins set the system timezone from the PWA:** the Preferences screen gains a
+  Timezone field (a text input with a local datalist of common IANA zones;
+  `UTC` or `Area/Location`). On a fresh install the value is set AUTOMATICALLY
+  from the browser's IANA zone when the setting is empty on first load — no
+  geolocation prompt and no network lookup — and an admin can change or clear it
+  at any time. Only a changed value is sent, and the API's 422 for an unknown zone
+  is shown by the form. (PR #266.)
+- This makes the household-local clock (overdue, daily rollover) configurable
+  from the UI, replacing the manual
+  `PATCH /api/v1/admin/settings {"timezone": ...}` step noted in 0.9.1. The
+  setting still defaults to the API host's local time when left empty.
+
+### Upgrade note
+
+The database schema is unchanged at version **9**; no migration or backup step is
+needed. No runtime dependency is added.
+
+### Requirements
+
+Home Assistant 2024.6.0 or newer. Install through HACS from the
+`Maniacs-Mansion/NestQuest` GitHub mirror (kept current by the Gitea push
+mirror).
+
 ## Version 0.9.2 — 2026-09-26
 
 ### Scope

admin/src/api/settings.ts

@@ -17,6 +17,14 @@ export interface HouseholdSettings {
   afternoon_reminder_enabled: boolean;
   end_of_day_report_enabled: boolean;
   celebration_enabled: boolean;
+  /** IANA zone name (e.g. "America/New_York"); "" means the API host's local time. */
+  timezone: string;
+  /**
+   * True once the admin explicitly chose `timezone` (even ""); false on a
+   * fresh install, where the screen auto-sets the browser's zone. API-only:
+   * never shown in the form.
+   */
+  timezone_configured: boolean;
 }
 
 /** Only the supplied fields are updated; the API answers with all of them. */

admin/src/settings/SettingsScreen.test.tsx

@@ -1,3 +1,4 @@
+import { StrictMode } from "react";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { cleanup, fireEvent, render, screen, waitFor, within } from "@testing-library/react";
 import App from "../App";
@@ -21,6 +22,8 @@ const DEFAULT_SETTINGS: HouseholdSettings = {
   afternoon_reminder_enabled: false,
   end_of_day_report_enabled: true,
   celebration_enabled: false,
+  timezone: "America/Chicago",
+  timezone_configured: true,
 };
 
 function child(
@@ -370,10 +373,11 @@ describe("SettingsScreen — preferences", () => {
     fireEvent.click(within(form).getByRole("button", { name: "Save preferences" }));
   }
 
-  it("renders the current value of the ten settings form fields (timezone is API-only)", async () => {
+  it("renders the current value of all eleven settings form fields", async () => {
     const { form } = await renderPreferences();
     expect(field(form, "Planning horizon (days)").value).toBe("14");
     expect(field(form, "Day rollover").value).toBe("03:00");
+    expect(field(form, "Timezone").value).toBe("America/Chicago");
     expect(field(form, "Notify target").value).toBe("notify.family");
     expect(field(form, "Morning summary time").value).toBe("07:00");
     expect(field(form, "Afternoon reminder time").value).toBe("15:30");
@@ -496,6 +500,48 @@ describe("SettingsScreen — preferences", () => {
     expect(writes()).toHaveLength(1);
   });
 
+  it("a changed timezone patches exactly the timezone", async () => {
+    const { form } = await renderPreferences();
+    const input = field(form, "Timezone");
+    expect(input.getAttribute("list")).toBe("settings-timezones");
+    fireEvent.change(input, { target: { value: " Europe/London " } });
+    save(form);
+    await screen.findByText("Preferences saved.");
+    expect(writes()).toEqual([
+      { method: "PATCH", path: SETTINGS_PATH, body: { timezone: "Europe/London", timezone_configured: true } },
+    ]);
+    const reloaded = screen.getByRole("form", { name: "Preferences" });
+    expect(field(reloaded, "Timezone").value).toBe("Europe/London");
+  });
+
+  it.each(["New York", "America/New York", "EST5EDT?", "/Chicago"])(
+    "an invalid timezone %j is rejected before any request",
+    async (value) => {
+      const { form } = await renderPreferences();
+      fireEvent.change(field(form, "Timezone"), { target: { value } });
+      save(form);
+      expect(screen.getByTestId("preferences-message").textContent).toBe(
+        "Timezone must be an IANA zone like America/New_York, or UTC.",
+      );
+      expect(field(form, "Timezone").value).toBe(value);
+      expect(writes()).toEqual([]);
+    },
+  );
+
+  it("a 422 on an unknown timezone shows the API detail and keeps the edit", async () => {
+    const { form } = await renderPreferences();
+    fireEvent.change(field(form, "Timezone"), { target: { value: "Mars/Olympus_Mons" } });
+    writeResponse = () =>
+      jsonResponse({ detail: "timezone must be an IANA time zone name such as 'America/New_York'" }, 422);
+    save(form);
+    const message = await screen.findByTestId("preferences-message");
+    expect(message.textContent).toBe(
+      "The preferences could not be saved: timezone must be an IANA time zone name such as 'America/New_York'",
+    );
+    expect(field(form, "Timezone").value).toBe("Mars/Olympus_Mons");
+    expect(field(form, "Timezone").disabled).toBe(false);
+  });
+
   it("a failed load shows the reason and Try again refetches", async () => {
     let fail = true;
     fetchMock.mockImplementation(async (url: string, init?: RequestInit) => {
@@ -512,3 +558,133 @@ describe("SettingsScreen — preferences", () => {
     await screen.findByRole("form", { name: "Preferences" });
   });
 });
+
+describe("SettingsScreen — timezone auto-set", () => {
+  let zoneSpy: ReturnType<typeof vi.spyOn> | null;
+
+  function mockBrowserZone(timeZone: string | undefined) {
+    const real = Intl.DateTimeFormat.prototype.resolvedOptions;
+    zoneSpy = vi
+      .spyOn(Intl.DateTimeFormat.prototype, "resolvedOptions")
+      .mockImplementation(function (this: Intl.DateTimeFormat) {
+        return { ...real.call(this), timeZone } as Intl.ResolvedDateTimeFormatOptions;
+      });
+  }
+
+  beforeEach(() => {
+    sessionStorage.clear();
+    storeTokens({ access_token: "at-123", expires_in: 600 });
+    children = [child(1, "Declan", 1)];
+    // A fresh install: no zone, and the admin never chose one.
+    settings = { ...DEFAULT_SETTINGS, timezone: "", timezone_configured: false };
+    writeResponse = null;
+    zoneSpy = null;
+    fetchMock = vi.fn(async (url: string, init?: RequestInit) => routeFetch(url, init));
+    vi.stubGlobal("fetch", fetchMock);
+  });
+
+  afterEach(() => {
+    cleanup();
+    zoneSpy?.mockRestore();
+    vi.unstubAllGlobals();
+  });
+
+  async function renderForm() {
+    render(<SettingsScreen onClose={vi.fn()} />);
+    await screen.findByTestId("settings-child-1");
+    return screen.findByRole("form", { name: "Preferences" });
+  }
+
+  it("an unset timezone is set once, on load, to the browser's zone and shown", async () => {
+    mockBrowserZone("America/New_York");
+    const form = await renderForm();
+    expect(field(form, "Timezone").value).toBe("America/New_York");
+    expect(writes()).toEqual([
+      { method: "PATCH", path: SETTINGS_PATH, body: { timezone: "America/New_York", timezone_configured: true } },
+    ]);
+    expect(settings.timezone).toBe("America/New_York");
+    expect(settings.timezone_configured).toBe(true);
+
+    // A later save of another field does not re-send the timezone.
+    fireEvent.change(field(form, "Planning horizon (days)"), { target: { value: "21" } });
+    fireEvent.click(within(form).getByRole("button", { name: "Save preferences" }));
+    await screen.findByText("Preferences saved.");
+    expect(writes()).toHaveLength(2);
+    expect(writes()[1].body).toEqual({ horizon_days: 21 });
+  });
+
+  it("StrictMode's doubled effects still auto-set exactly once", async () => {
+    mockBrowserZone("America/New_York");
+    render(
+      <StrictMode>
+        <SettingsScreen onClose={vi.fn()} />
+      </StrictMode>,
+    );
+    const form = await screen.findByRole("form", { name: "Preferences" });
+    expect(field(form, "Timezone").value).toBe("America/New_York");
+    expect(writes()).toEqual([
+      { method: "PATCH", path: SETTINGS_PATH, body: { timezone: "America/New_York", timezone_configured: true } },
+    ]);
+  });
+
+  it("an admin clearing the timezone is not re-set by the browser zone, even after a reopen", async () => {
+    mockBrowserZone("America/New_York");
+    const form = await renderForm();
+    fireEvent.change(field(form, "Timezone"), { target: { value: "" } });
+    fireEvent.click(within(form).getByRole("button", { name: "Save preferences" }));
+    await screen.findByText("Preferences saved.");
+    expect(writes().map((w) => w.body)).toEqual([
+      { timezone: "America/New_York", timezone_configured: true },
+      { timezone: "", timezone_configured: true },
+    ]);
+    const reloaded = screen.getByRole("form", { name: "Preferences" });
+    expect(field(reloaded, "Timezone").value).toBe("");
+
+    // Close and reopen: the screen re-fetches "" but the choice persisted.
+    cleanup();
+    const reopened = await renderForm();
+    expect(field(reopened, "Timezone").value).toBe("");
+    expect(writes()).toHaveLength(2);
+  });
+
+  it("an empty timezone the admin chose is never auto-set", async () => {
+    mockBrowserZone("America/New_York");
+    settings = { ...settings, timezone_configured: true };
+    const form = await renderForm();
+    expect(field(form, "Timezone").value).toBe("");
+    expect(writes()).toEqual([]);
+  });
+
+  it("a set timezone is shown and never overwritten by the browser zone", async () => {
+    mockBrowserZone("America/New_York");
+    settings = { ...DEFAULT_SETTINGS, timezone: "Europe/Dublin", timezone_configured: false };
+    const form = await renderForm();
+    expect(field(form, "Timezone").value).toBe("Europe/Dublin");
+    expect(writes()).toEqual([]);
+  });
+
+  it.each([
+    ["nothing", undefined],
+    ["an empty zone", ""],
+    ["an unknown zone", "Etc/Unknown"],
+    ["a non-IANA zone", "not a zone"],
+  ])("detection returning %s leaves the field empty and sends nothing", async (_case, zone) => {
+    mockBrowserZone(zone);
+    const form = await renderForm();
+    expect(field(form, "Timezone").value).toBe("");
+    expect(screen.queryByTestId("preferences-message")).toBeNull();
+    expect(writes()).toEqual([]);
+  });
+
+  it("a rejected auto-set shows why and leaves the field empty for manual entry", async () => {
+    mockBrowserZone("America/New_York");
+    writeResponse = () => jsonResponse({ detail: "timezone is not known" }, 422);
+    const form = await renderForm();
+    expect(field(form, "Timezone").value).toBe("");
+    expect(field(form, "Timezone").disabled).toBe(false);
+    expect(screen.getByTestId("preferences-message").textContent).toBe(
+      "The timezone could not be set to America/New_York: timezone is not known",
+    );
+    expect(writes()).toHaveLength(1);
+  });
+});

admin/src/settings/SettingsScreen.tsx

@@ -5,7 +5,9 @@
  * household's child profiles. Every write refetches the list.
  *
  * Preferences: the household settings (planning horizon, day rollover,
- * notifications). Save patches only the changed fields.
+ * timezone, notifications). Save patches only the changed fields. A timezone
+ * the admin never chose is set once, on load, to the browser's own zone;
+ * saving the timezone (even clearing it) marks it chosen, so it sticks.
  *
  * One write at a time across both sections.
  */
@@ -252,6 +254,56 @@ const NOTIFICATIONS: { label: string; time: TimeField; toggle: ToggleField }[] =
 
 const HH_MM = /^([01]\d|2[0-3]):[0-5]\d$/;
 
+/** "UTC" or an IANA-looking "Area/Location" (the API checks it resolves). */
+const IANA_ZONE = /^(UTC|[A-Za-z]+(\/[A-Za-z0-9_+-]+)+)$/;
+
+/** The Timezone field's suggestions; any other IANA zone can be typed. */
+export const COMMON_TIMEZONES = [
+  "UTC",
+  "America/New_York",
+  "America/Chicago",
+  "America/Denver",
+  "America/Phoenix",
+  "America/Los_Angeles",
+  "America/Anchorage",
+  "Pacific/Honolulu",
+  "America/Halifax",
+  "America/St_Johns",
+  "America/Toronto",
+  "America/Vancouver",
+  "America/Mexico_City",
+  "America/Sao_Paulo",
+  "Europe/London",
+  "Europe/Dublin",
+  "Europe/Paris",
+  "Europe/Berlin",
+  "Europe/Madrid",
+  "Europe/Rome",
+  "Europe/Athens",
+  "Africa/Johannesburg",
+  "Asia/Dubai",
+  "Asia/Kolkata",
+  "Asia/Singapore",
+  "Asia/Shanghai",
+  "Asia/Tokyo",
+  "Australia/Perth",
+  "Australia/Sydney",
+  "Pacific/Auckland",
+];
+
+/**
+ * The browser's own IANA zone — the location-derived default for an unset
+ * household timezone — or "" when it is missing or not a usable zone name.
+ */
+export function detectTimezone(): string {
+  try {
+    const zone = Intl.DateTimeFormat().resolvedOptions().timeZone;
+    return typeof zone === "string" && zone !== "Etc/Unknown" && IANA_ZONE.test(zone) ? zone : "";
+  } catch {
+    return "";
+  }
+}
+
 /** The form's working copy: the number is text so it can be mid-edit. */
 type PreferencesDraft = Omit<HouseholdSettings, "horizon_days"> & { horizon_days: string };
 
@@ -275,16 +327,24 @@ function buildChanges(draft: PreferencesDraft, loaded: HouseholdSettings): Setti
   for (const [key, label] of times) {
     if (!HH_MM.test(draft[key])) return `${label} must be a time like 07:30.`;
   }
+  const timezone = draft.timezone.trim();
+  if (timezone && !IANA_ZONE.test(timezone)) {
+    return "Timezone must be an IANA zone like America/New_York, or UTC.";
+  }
 
   const next: HouseholdSettings = {
     ...draft,
     horizon_days: horizonDays,
     notify_target: draft.notify_target.trim(),
+    timezone,
   };
   const changes: SettingsChanges = {};
   for (const key of Object.keys(loaded) as (keyof HouseholdSettings)[]) {
     if (next[key] !== loaded[key]) (changes as Record<string, unknown>)[key] = next[key];
   }
+  // An explicit choice — including "" (the API host's local time) — must
+  // persist, or the next load would auto-set the browser's zone over it.
+  if ("timezone" in changes) changes.timezone_configured = true;
   if (Object.keys(changes).length === 0) return "No changes to save.";
   return changes;
 }
@@ -357,6 +417,25 @@ function PreferencesForm({
         />
       </label>
       {timeInput("day_rollover_time", "Day rollover")}
+      <label className="settings-field">
+        <span className="settings-label">Timezone</span>
+        <input
+          className="settings-input"
+          type="text"
+          list="settings-timezones"
+          placeholder="Host local time"
+          autoComplete="off"
+          spellCheck={false}
+          value={draft.timezone}
+          disabled={disabled}
+          onChange={(event) => update({ timezone: event.target.value })}
+        />
+      </label>
+      <datalist id="settings-timezones">
+        {COMMON_TIMEZONES.map((zone) => (
+          <option key={zone} value={zone} />
+        ))}
+      </datalist>
       <label className="settings-field">
         <span className="settings-label">Notify target</span>
         <input
@@ -495,6 +574,8 @@ export default function SettingsScreen({ onClose }: { onClose: () => void }) {
   } | null>(null);
   // A ref, not state: two taps in one frame must not both see `busy === null`.
   const inFlight = useRef(false);
+  // The never-chosen-timezone auto-set fires at most once per screen.
+  const timezoneAutoSet = useRef(false);
   const screenRef = useRef<HTMLDivElement>(null);
   const titleRef = useRef<HTMLHeadingElement>(null);
   const addRef = useRef<HTMLButtonElement>(null);
@@ -539,8 +620,29 @@ export default function SettingsScreen({ onClose }: { onClose: () => void }) {
     let cancelled = false;
     setPreferences({ kind: "loading" });
     fetchSettings()
-      .then((settings) => {
-        if (!cancelled) setPreferences({ kind: "ready", settings });
+      .then(async (settings) => {
+        if (cancelled) return;
+        // Never chosen: adopt the browser's zone before the form shows, so
+        // nothing the admin enters can be overwritten by it. An empty zone the
+        // admin chose (timezone_configured) is left alone.
+        const unchosen = settings.timezone === "" && !settings.timezone_configured;
+        const detected = unchosen ? detectTimezone() : "";
+        if (!detected || timezoneAutoSet.current) {
+          setPreferences({ kind: "ready", settings });
+          return;
+        }
+        timezoneAutoSet.current = true;
+        try {
+          const saved = await updateSettings({ timezone: detected, timezone_configured: true });
+          if (!cancelled) setPreferences({ kind: "ready", settings: saved });
+        } catch (error) {
+          if (cancelled) return;
+          setPreferences({ kind: "ready", settings });
+          setPreferencesMessage({
+            kind: "error",
+            text: errorMessage(error, `The timezone could not be set to ${detected}`),
+          });
+        }
       })
       .catch((error: unknown) => {
         if (cancelled) return;

api/routes_admin.py

@@ -165,12 +165,13 @@ integration's Home-Assistant config-entry options remain a temporary,
 SEPARATE source until Feature 18 wires the client to the API — the two
 are deliberately not unified here:
 
-- ``GET /settings`` returns the current effective settings: all eleven
+- ``GET /settings`` returns the current effective settings: all twelve
   documented fields (the rolling horizon, the day rollover time, the
   notify target, the three notification times, the four enable
-  toggles and the ``timezone`` — the IANA household zone the
-  household-local dates derive from, empty meaning host local) — the
-  defaults on a fresh database.
+  toggles, the ``timezone`` — the IANA household zone the
+  household-local dates derive from, empty meaning host local — and
+  ``timezone_configured``, whether the admin explicitly chose that
+  zone) — the defaults on a fresh database.
 - ``PATCH /settings`` updates ONLY the supplied fields: the body is a
   JSON object of settings field names to new values, passed STRAIGHT
   to :func:`nestquest_core.settings_store.update_settings` — the
@@ -905,7 +906,7 @@ class AdminSettingsResponse(BaseModel):
     """The effective settings as the admin plane serializes them.
 
     Mirrors the core :class:`~nestquest_core.settings.NestQuestSettings`
-    — all ELEVEN documented fields, resolved (every absent stored field
+    — all TWELVE documented fields, resolved (every absent stored field
     already fell back to its default in the core).  The same shape both
     the GET and the PATCH route answer with.
     """
@@ -923,6 +924,9 @@ class AdminSettingsResponse(BaseModel):
     #: The household IANA time zone the API reads its clock in; ``""``
     #: means the API host's local time.
     timezone: str
+    #: Whether the admin explicitly chose ``timezone`` (even ``""``);
+    #: ``False`` lets the admin UI auto-set the browser's zone once.
+    timezone_configured: bool
 
 
 class AdminMissedSweepResponse(BaseModel):
@@ -2179,7 +2183,7 @@ def _settings_response(
     """Serialize one core NestQuestSettings into the documented payload.
 
     Explicit field-by-field (not ``dataclasses.asdict``) so the payload
-    stays pinned to the eleven documented fields even if the core
+    stays pinned to the twelve documented fields even if the core
     dataclass later grows another one.
     """
     return AdminSettingsResponse(
@@ -2194,6 +2198,7 @@ def _settings_response(
         end_of_day_report_enabled=settings.end_of_day_report_enabled,
         celebration_enabled=settings.celebration_enabled,
         timezone=settings.timezone,
+        timezone_configured=settings.timezone_configured,
     )
 
 
@@ -2291,7 +2296,7 @@ async def admin_history_csv(
     response_model=AdminSettingsResponse,
 )
 async def admin_get_settings(request: Request) -> AdminSettingsResponse:
-    """Return the current effective settings (all eleven documented fields).
+    """Return the current effective settings (all twelve documented fields).
 
     Requires a valid admin JWT (the router's shared
     :func:`~api.auth.require_admin` dependency — the ONE check; this

api/routes_panel.py

@@ -9,8 +9,9 @@ this router inherits the check).
 The snapshot route is a thin adapter over the bundled core: it performs
 NO business logic.  It reads the live database off ``app.state.db``,
 resolves ONE timezone-aware ``now`` (the host clock re-expressed in the
-stored household ``timezone`` setting — the API host may run UTC while
-the household does not), calls the pure
+household ``timezone`` — the API host may run UTC while the household
+does not; until the admin chooses a zone it is the Home Assistant zone
+the integration reports in :data:`PANEL_TIMEZONE_HEADER`), calls the pure
 :func:`nestquest_core.snapshot.build_snapshot`, shapes each child's
 instances through :func:`nestquest_core.snapshot.instance_payload` with
 ``include_missed=False`` (D-009: missed instances are OMITTED from the
@@ -53,6 +54,7 @@ from __future__ import annotations
 
 import datetime
 import importlib
+import logging
 
 from fastapi import APIRouter, Depends, HTTPException, Request
 from fastapi.responses import StreamingResponse
@@ -62,6 +64,7 @@ from api.database import DatabaseState
 from api.dependencies import require_panel_token
 from api.nestquest_core import (
     core_completion,
+    core_const,
     core_events,
     core_settings_store,
     core_snapshot,
@@ -69,6 +72,12 @@ from api.nestquest_core import (
 from api import transitions as api_transitions
 from api.sse import transition_event_stream
 
+LOGGER = logging.getLogger(__name__)
+
+#: The request header the integration reports Home Assistant's
+#: configured IANA ``time_zone`` in.
+PANEL_TIMEZONE_HEADER = core_const.PANEL_TIMEZONE_HEADER
+
 #: The instance DAO, imported on the app's core copy for the
 #: child-mismatch guard on the complete route.
 _dao_instances = importlib.import_module("nestquest_core.dao_instances")
@@ -179,16 +188,42 @@ def _local_now() -> datetime.datetime:
 
 
 async def _household_clock(
-    database: object,
+    database: object, request: Request
 ) -> tuple[object, datetime.datetime]:
-    """Return the stored settings and ONE household-local clock read.
+    """Return the settings and ONE household-local clock read.
 
     The API host may run UTC while the household does not, so the one
-    :func:`_local_now` read is re-expressed in the stored settings'
-    ``timezone`` (:meth:`NestQuestSettings.household_now`); an unset
-    zone keeps the host's local time.
+    :func:`_local_now` read is re-expressed in the settings' ``timezone``
+    (:meth:`NestQuestSettings.household_now`).  The integration reports
+    Home Assistant's ``time_zone`` in :data:`PANEL_TIMEZONE_HEADER`;
+    until the admin chooses a zone it is adopted and persisted
+    (:func:`nestquest_core.settings_store.adopt_reported_timezone`), so
+    the admin plane follows it too, and the already-sleeping missed-sweep
+    scheduler is told (:meth:`MissedSweepScheduler.settings_changed`) so
+    it re-plans for the household rollover — under the scheduler's
+    ``settings_lock``, so the adoption never lands between its settings
+    check and its sweep.  An invalid
+    reported zone is logged and ignored — the panel keeps serving on
+    the stored settings.
     """
-    settings = await core_settings_store.load_settings(database)
+    reported = request.headers.get(PANEL_TIMEZONE_HEADER, "").strip()
+    if reported:
+        scheduler = request.app.state.sweep_scheduler
+        try:
+            async with scheduler.settings_lock:
+                settings = await core_settings_store.adopt_reported_timezone(
+                    database, reported
+                )
+                scheduler.settings_changed(settings)
+        except ValueError:
+            LOGGER.warning(
+                "Ignoring invalid %s header value %r",
+                PANEL_TIMEZONE_HEADER,
+                reported,
+            )
+            settings = await core_settings_store.load_settings(database)
+    else:
+        settings = await core_settings_store.load_settings(database)
     return settings, settings.household_now(_local_now())
 
 
@@ -210,7 +245,7 @@ async def panel_snapshot(request: Request) -> PanelSnapshotResponse:
     :class:`PanelSnapshotResponse`.
     """
     state: DatabaseState = request.app.state.db
-    settings, now = await _household_clock(state.database)
+    settings, now = await _household_clock(state.database, request)
     snapshot = await core_snapshot.build_snapshot(
         state.database, settings, now
     )
@@ -297,7 +332,7 @@ async def panel_complete_instance(
             detail="Quest instance not found for this child",
         )
 
-    _settings, now = await _household_clock(database)
+    _settings, now = await _household_clock(database, request)
     try:
         result = await core_completion.complete_instance(
             database,

api/scheduler.py

@@ -13,6 +13,27 @@ local date when unset) and publishes each returned
 ``nestquest_quest_missed`` event on the app's ONE transition publisher
 (the same SSE stream every route publishes through).
 
+A household zone adopted from Home Assistant while the loop is asleep
+must not leave it waiting for the OLD zone's rollover (a UTC host would
+otherwise sweep at UTC midnight — 20:00 in New York — marking quests
+missed hours early).  :meth:`MissedSweepScheduler.settings_changed`
+wakes the sleeping loop to re-plan whenever the zone or rollover time
+it planned with has moved, and the loop re-reads the settings before
+sweeping and re-plans instead if they no longer match its plan.
+
+Guarantee: no sweep runs for a plan a committed adoption has replaced.
+An adopting writer holds :attr:`MissedSweepScheduler.settings_lock`
+across its write AND its :meth:`~MissedSweepScheduler.settings_changed`
+call; the loop holds the same lock across its plan read (read, record
+the plan, clear the wake flag) and across the pre-sweep re-read plus
+the sweep itself.  So an adoption commits either before a plan read
+(which then sees it), after one (``settings_changed`` compares against
+that exact plan and wakes the wait), or after the sweep — never between
+a read and what the loop does with it.  The lock is never held across
+the wait, and the loop takes nothing else before it, so a waiting
+panel request cannot deadlock: it is delayed at most by one settings
+read or one sweep.
+
 All sweep policy lives in the core (the watermark, the
 ``[watermark, today)`` window, the no-completion-event rule): this
 scheduler only decides WHEN.  A same-night rerun — e.g. two workers,
@@ -124,6 +145,14 @@ class MissedSweepScheduler:
         )
         self._sleep = sleep if sleep is not None else asyncio.sleep
         self._task: asyncio.Task | None = None
+        #: ``(timezone, day_rollover_time)`` the pending sweep was
+        #: planned with; ``None`` until the first plan.
+        self._planned: tuple[str, str] | None = None
+        #: Set by :meth:`settings_changed` to cut the current wait short.
+        self._wake = asyncio.Event()
+        #: Serialises settings adoption with planning and sweeping (see
+        #: the module docstring's guarantee).
+        self.settings_lock = asyncio.Lock()
 
     def start(self) -> None:
         """Start the background loop (idempotent: a running one stays)."""
@@ -142,6 +171,20 @@ class MissedSweepScheduler:
                 pass
             self._task = None
 
+    def settings_changed(self, settings: object) -> None:
+        """Re-plan the pending sweep if ``settings`` moved its rollover.
+
+        Called with freshly stored settings (e.g. a zone adopted from
+        Home Assistant), with :attr:`settings_lock` held across the write
+        and this call so the comparison is against the loop's current
+        plan, never a read still in flight.  A differing ``timezone`` or
+        ``day_rollover_time`` wakes the sleeping loop, which reloads the
+        settings and schedules the next sweep for the new household
+        rollover; an unchanged plan is left sleeping.
+        """
+        if (settings.timezone, settings.day_rollover_time) != self._planned:
+            self._wake.set()
+
     @property
     def running(self) -> bool:
         """Whether the background loop task is alive."""
@@ -151,12 +194,18 @@ class MissedSweepScheduler:
         """Schedule → sweep → repeat, forever (until cancelled)."""
         while True:
             try:
-                settings = await core_settings_store.load_settings(
-                    self._database
-                )
-                rollover = datetime.time.fromisoformat(
-                    settings.day_rollover_time
-                )
+                # Under the lock no adoption can commit between this read
+                # and the recorded plan, so any later one wakes the wait.
+                async with self.settings_lock:
+                    self._wake.clear()
+                    settings = await core_settings_store.load_settings(
+                        self._database
+                    )
+                    rollover = datetime.time.fromisoformat(
+                        settings.day_rollover_time
+                    )
+                    plan = (settings.timezone, settings.day_rollover_time)
+                    self._planned = plan
             except Exception:
                 # Not silent: the failure is logged and retried after
                 # the backoff, so one bad settings document or a
@@ -178,15 +227,30 @@ class MissedSweepScheduler:
                 settings.day_rollover_time,
                 delay,
             )
-            await self._sleep(delay)
             try:
-                await self._run_once(
-                    settings.household_now(self._clock()).date()
-                )
+                if not await self._sleep_unless_woken(delay):
+                    continue
+                # Re-read before sweeping: a zone or rollover change the
+                # wake-up missed means this is not the household's
+                # rollover any more, so re-plan instead of sweeping.  The
+                # lock keeps an adoption from committing between this
+                # check and the sweep.
+                async with self.settings_lock:
+                    settings = await core_settings_store.load_settings(
+                        self._database
+                    )
+                    if (
+                        settings.timezone,
+                        settings.day_rollover_time,
+                    ) != plan:
+                        continue
+                    await self._run_once(
+                        settings.household_now(self._clock()).date()
+                    )
             except Exception:
-                # Not silent either: the sweep error is logged and the
-                # loop backs off before the next cycle, whose watermark
-                # re-read makes an already-swept day a no-op.
+                # Not silent either: a failed wait or sweep is logged and
+                # the loop backs off before the next cycle, whose
+                # watermark re-read makes an already-swept day a no-op.
                 LOGGER.exception(
                     "NestQuest scheduled missed sweep failed; retrying in "
                     "%gs",
@@ -194,6 +258,29 @@ class MissedSweepScheduler:
                 )
                 await self._sleep(_RETRY_BACKOFF_SECONDS)
 
+    async def _sleep_unless_woken(self, delay: float) -> bool:
+        """Wait ``delay``; ``False`` if :meth:`settings_changed` woke it.
+
+        Both children are cancelled AND awaited before returning (or
+        before a cancellation propagates), so none outlives :meth:`stop`;
+        a sleep that failed re-raises its exception here for the loop's
+        retry policy.
+        """
+        sleeper = asyncio.ensure_future(self._sleep(delay))
+        waker = asyncio.ensure_future(self._wake.wait())
+        try:
+            await asyncio.wait(
+                {sleeper, waker}, return_when=asyncio.FIRST_COMPLETED
+            )
+        finally:
+            slept = sleeper.done()
+            sleeper.cancel()
+            waker.cancel()
+            await asyncio.gather(sleeper, waker, return_exceptions=True)
+        if slept:
+            sleeper.result()
+        return slept
+
     async def _run_once(self, today: datetime.date) -> None:
         """Run ONE sweep for ``today`` and publish what it built.
 

custom_components/nestquest/api_client.py

@@ -6,6 +6,9 @@ speaks the API's panel plane — ``GET /api/v1/panel/snapshot`` (today's
 household snapshot) and ``POST /api/v1/panel/instances/{id}/complete``
 (completion as the tapped child profile) — authenticated with the
 static panel service token as a Bearer credential on every request.
+Every request also reports Home Assistant's configured ``time_zone`` in
+the ``X-NestQuest-Timezone`` header, so the API (which may run UTC)
+reads the household's clock until the admin chooses a zone there.
 
 Transport-injected by construction: the constructor takes the base URL,
 the panel token, and the HTTP session to use.  The session speaks the
@@ -54,6 +57,7 @@ from .const import (
     CONF_PANEL_TOKEN,
     DEFAULT_API_BASE_URL,
     DEFAULT_PANEL_TOKEN,
+    PANEL_TIMEZONE_HEADER,
 )
 
 if TYPE_CHECKING:
@@ -156,7 +160,8 @@ def client_from_entry(hass: Any, entry: Any) -> NestQuestApiClient:
     """Build the production client for a config entry.
 
     Reads the configured base URL and panel token off the entry
-    (:func:`resolve_api_config`) and hands the client Home Assistant's
+    (:func:`resolve_api_config`), reports ``hass.config.time_zone`` as
+    the household zone, and hands the client Home Assistant's
     SHARED aiohttp session (``homeassistant.helpers.aiohttp_client
     .async_get_clientsession``) so panel calls ride HA's one connection
     pool.  The helper import is deferred into this function on purpose:
@@ -168,7 +173,10 @@ def client_from_entry(hass: Any, entry: Any) -> NestQuestApiClient:
 
     base_url, panel_token = resolve_api_config(entry)
     return NestQuestApiClient(
-        base_url, panel_token, async_get_clientsession(hass)
+        base_url,
+        panel_token,
+        async_get_clientsession(hass),
+        household_timezone=hass.config.time_zone,
     )
 
 
@@ -189,9 +197,14 @@ class NestQuestApiClient:
         session: aiohttp.ClientSession,
         *,
         timeout_seconds: float = DEFAULT_TIMEOUT_SECONDS,
+        household_timezone: str | None = None,
     ) -> None:
         """Store the connection settings; the session is injected.
 
+        ``household_timezone`` is Home Assistant's configured IANA
+        ``time_zone``; when given it rides every request in the
+        ``X-NestQuest-Timezone`` header.
+
         ``session`` is an aiohttp ``ClientSession`` in production and a
         stub transport in tests.  ``base_url`` must be a full http(s)
         URL and ``panel_token`` must be non-empty — a client built
@@ -216,6 +229,14 @@ class NestQuestApiClient:
         self._panel_token = panel_token
         self._session = session
         self._timeout_seconds = float(timeout_seconds)
+        self._household_timezone = household_timezone
+
+    def _headers(self) -> dict[str, str]:
+        """The Bearer credential plus the reported household zone."""
+        headers = {"Authorization": f"Bearer {self._panel_token}"}
+        if self._household_timezone:
+            headers[PANEL_TIMEZONE_HEADER] = self._household_timezone
+        return headers
 
     async def get_snapshot(self) -> dict[str, Any]:
         """Fetch and parse today's household snapshot.
@@ -275,7 +296,7 @@ class NestQuestApiClient:
         cleanly and closes the underlying response in every path.
         """
         url = f"{self._base_url}{EVENTS_PATH}"
-        headers = {"Authorization": f"Bearer {self._panel_token}"}
+        headers = self._headers()
         # Opening the response gets ONE request timeout, exactly like
         # ``_request_json``; the read loop below runs WITHOUT one — a
         # body-wide timeout would kill a healthy long-lived stream.
@@ -379,7 +400,7 @@ class NestQuestApiClient:
         raises typed too, carrying the status it arrived with.
         """
         url = f"{self._base_url}{path}"
-        headers = {"Authorization": f"Bearer {self._panel_token}"}
+        headers = self._headers()
         try:
             async with asyncio.timeout(self._timeout_seconds):
                 async with self._session.request(

custom_components/nestquest/coordinator.py

@@ -372,7 +372,10 @@ def coordinator_client_from_entry(
         return _UnconfiguredApiClient()
     if session_factory is not None:
         return NestQuestApiClient(
-            base_url, panel_token, session_factory(hass)
+            base_url,
+            panel_token,
+            session_factory(hass),
+            household_timezone=hass.config.time_zone,
         )
     from custom_components.nestquest.api_client import client_from_entry
 

custom_components/nestquest/core/const.py

@@ -113,12 +113,25 @@ CONF_END_OF_DAY_REPORT_ENABLED = "end_of_day_report_enabled"
 CONF_CELEBRATION_ENABLED = "celebration_enabled"
 DEFAULT_AUTOMATION_ENABLED = True
 # The household's IANA time zone (e.g. ``America/New_York``) the API
-# service reads its clock in.  The empty string keeps the historical
-# behaviour — the API host's own local time — so an existing install is
-# unchanged until the owner sets it.  The integration itself always uses
-# Home Assistant's configured ``time_zone`` and ignores this field.
+# service reads its clock in.  The empty string is the API host's own
+# local time.  While the admin has not chosen a zone
+# (``timezone_configured`` is ``False``) the API adopts the zone the
+# integration reports from Home Assistant's configured ``time_zone``
+# (:data:`PANEL_TIMEZONE_HEADER`), so the default is the household's
+# zone without any manual setup.  The integration itself always uses
+# Home Assistant's ``time_zone`` and ignores this field.
 CONF_TIMEZONE = "timezone"
 DEFAULT_TIMEZONE = ""
+# Whether the admin has made an explicit ``timezone`` choice.  ``False``
+# (a fresh install) lets the API follow Home Assistant's reported zone
+# and the admin UI auto-set the browser's zone once while none is
+# stored; ``True`` pins the stored value — including an explicitly-chosen
+# empty ``timezone`` (the API host's local time) — so neither changes it.
+CONF_TIMEZONE_CONFIGURED = "timezone_configured"
+DEFAULT_TIMEZONE_CONFIGURED = False
+# The panel-plane request header carrying Home Assistant's configured
+# IANA ``time_zone`` from the integration to the API service.
+PANEL_TIMEZONE_HEADER = "X-NestQuest-Timezone"
 
 # Panel-plane API client (Feature 18): the integration reaches the
 # NestQuest API service (Feature 16) over HTTP instead of the database.

custom_components/nestquest/core/settings.py

@@ -49,6 +49,7 @@ from .const import (
     CONF_MORNING_SUMMARY_TIME,
     CONF_NOTIFY_TARGET,
     CONF_TIMEZONE,
+    CONF_TIMEZONE_CONFIGURED,
     DEFAULT_AFTERNOON_REMINDER_TIME,
     DEFAULT_AUTOMATION_ENABLED,
     DEFAULT_DAY_ROLLOVER_TIME,
@@ -56,6 +57,7 @@ from .const import (
     DEFAULT_HORIZON_DAYS,
     DEFAULT_MORNING_SUMMARY_TIME,
     DEFAULT_TIMEZONE,
+    DEFAULT_TIMEZONE_CONFIGURED,
     LOGGER,
     TIME_PATTERN,
 )
@@ -241,6 +243,12 @@ _FIELDS: tuple[tuple[str, str, Any, Callable[[Any], Any]], ...] = (
         _resolve_bool,
     ),
     ("timezone", CONF_TIMEZONE, DEFAULT_TIMEZONE, _resolve_timezone),
+    (
+        "timezone_configured",
+        CONF_TIMEZONE_CONFIGURED,
+        DEFAULT_TIMEZONE_CONFIGURED,
+        _resolve_bool,
+    ),
 )
 
 
@@ -271,6 +279,10 @@ class NestQuestSettings:
     end_of_day_report_enabled: bool = DEFAULT_AUTOMATION_ENABLED
     celebration_enabled: bool = DEFAULT_AUTOMATION_ENABLED
     timezone: str = DEFAULT_TIMEZONE
+    #: ``True`` once the admin explicitly chose :attr:`timezone` (even
+    #: the empty host-local value); ``False`` on a fresh install, where
+    #: the admin UI may auto-set the browser's zone.
+    timezone_configured: bool = DEFAULT_TIMEZONE_CONFIGURED
 
     def __post_init__(self) -> None:
         # Validate STRICTLY at construction so a hand-built instance
@@ -303,6 +315,7 @@ class NestQuestSettings:
             "afternoon_reminder_enabled",
             "end_of_day_report_enabled",
             "celebration_enabled",
+            "timezone_configured",
         ):
             value = getattr(self, name)
             if not isinstance(value, bool):
@@ -314,12 +327,14 @@ class NestQuestSettings:
     def household_now(self, instant: datetime.datetime) -> datetime.datetime:
         """Return the aware ``instant`` expressed in the household's zone.
 
-        The API service has no Home Assistant ``time_zone``, so its one
+        The API service does not run inside Home Assistant, so its one
         clock read (an aware host-local ``now``) is converted here: with
-        :attr:`timezone` set the SAME instant is re-expressed in that
-        zone, so ``.date()`` and ``.time()`` are the household's wall
-        clock even when the host runs UTC.  With :attr:`timezone` empty
-        the instant is returned unchanged (the host's local time).
+        :attr:`timezone` set — the admin's choice, or else the zone the
+        integration reports from Home Assistant — the SAME instant is
+        re-expressed in that zone, so ``.date()`` and ``.time()`` are the
+        household's wall clock even when the host runs UTC.  With
+        :attr:`timezone` empty the instant is returned unchanged (the
+        host's local time).
         """
         if not self.timezone:
             return instant

custom_components/nestquest/core/settings_store.py

@@ -18,7 +18,7 @@ API client; the two are deliberately NOT unified here, and neither
 side reads the other's values.
 
 STORED SERIALIZATION — the document at ``SETTINGS_META_KEY`` is a JSON
-object holding exactly the ELEVEN settings fields, keyed by field name
+object holding exactly the TWELVE settings fields, keyed by field name
 (which equals the ``CONF_*`` option key for every field), complete
 after the first update:
 
@@ -33,7 +33,12 @@ after the first update:
   booleans,
 - ``timezone`` — ``""`` (the API host's local time) or an IANA time
   zone name such as ``America/New_York``.  A document stored before
-  this field existed simply lacks it and resolves to ``""``.
+  this field existed simply lacks it and resolves to ``""``,
+- ``timezone_configured`` — a real boolean: ``True`` once the admin
+  explicitly chose ``timezone`` (including the empty host-local value),
+  so neither Home Assistant's reported zone
+  (:func:`adopt_reported_timezone`) nor the admin UI changes it again.  A document stored before
+  this field existed lacks it and resolves to ``False``.
 
 Only values whose core validators ACCEPTED are ever written, so a
 stored document always round-trips through the core's option builders.
@@ -175,7 +180,7 @@ async def update_settings(
     update can never leave a half-applied document behind.
 
     The validated changes are merged onto the current effective
-    settings and the merged (complete, eleven-field) document is persisted
+    settings and the merged (complete, twelve-field) document is persisted
     in one atomic upsert; the updated settings are returned.  The whole
     read → merge → write span runs inside the per-database settings
     lock, so concurrent updates queue instead of interleaving.
@@ -196,18 +201,49 @@ async def update_settings(
         )
     async with _settings_lock(database):
         current = await load_settings(database)
-        document: dict[str, Any] = {
-            field: getattr(current, field) for field in _FIELD_NAMES
-        }
-        for name, raw_value in changes.items():
-            default, validator = _RESOLUTIONS[name]
-            try:
-                document[name] = validator(
-                    default if raw_value is None else raw_value
-                )
-            except ValueError as error:
-                raise ValueError(_named(name, error)) from error
-        await MetaStateDao(database).set(
-            SETTINGS_META_KEY, json.dumps(document, sort_keys=True)
-        )
+        return await _write_merged(database, current, changes)
+
+
+async def adopt_reported_timezone(
+    database: NestQuestDatabase, zone: str
+) -> NestQuestSettings:
+    """Adopt Home Assistant's reported ``zone`` unless the admin chose one.
+
+    While ``timezone_configured`` is ``False`` the stored ``timezone``
+    follows the zone the integration reports, so the API's clock is the
+    household's without any manual setup; ``timezone_configured`` stays
+    ``False`` (the value is automatic, not an admin choice).  Once the
+    admin has chosen — including an explicitly-chosen empty zone — the
+    stored settings are returned untouched.  The check and the write
+    share the settings lock, so a concurrent admin choice is never
+    overwritten.  An invalid ``zone`` raises a ``ValueError`` naming
+    ``timezone`` and writes nothing.
+    """
+    async with _settings_lock(database):
+        current = await load_settings(database)
+        if current.timezone_configured or current.timezone == zone:
+            return current
+        return await _write_merged(database, current, {"timezone": zone})
+
+
+async def _write_merged(
+    database: NestQuestDatabase,
+    current: NestQuestSettings,
+    changes: Mapping[str, Any],
+) -> NestQuestSettings:
+    """Validate ``changes``, merge onto ``current``, persist; lock held."""
+    document: dict[str, Any] = {
+        field: getattr(current, field) for field in _FIELD_NAMES
+    }
+    for name, raw_value in changes.items():
+        default, validator = _RESOLUTIONS[name]
+        try:
+            document[name] = validator(
+                default if raw_value is None else raw_value
+            )
+        except ValueError as error:
+            raise ValueError(_named(name, error)) from error
+    await MetaStateDao(database).set(
+        SETTINGS_META_KEY, json.dumps(document, sort_keys=True)
+    )
     return NestQuestSettings(**document)

custom_components/nestquest/manifest.json

@@ -15,5 +15,5 @@
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/Maniacs-Mansion/NestQuest/issues",
   "requirements": [],
-  "version": "0.9.2"
+  "version": "0.9.5"
 }

custom_components/nestquest/www/nestquest-cards.js

@@ -65,7 +65,7 @@ const { is: nt, defineProperty: it, getOwnPropertyDescriptor: st, getOwnProperty
   return t;
 } }, Ze = (i, e) => !nt(i, e), ye = { attribute: !0, type: String, converter: ae, reflect: !1, useDefault: !1, hasChanged: Ze };
 Symbol.metadata ??= /* @__PURE__ */ Symbol("metadata"), K.litPropertyMetadata ??= /* @__PURE__ */ new WeakMap();
-let z = class extends HTMLElement {
+let T = class extends HTMLElement {
   static addInitializer(e) {
     this._$Ei(), (this.l ??= []).push(e);
   }
@@ -246,7 +246,7 @@ let z = class extends HTMLElement {
   firstUpdated(e) {
   }
 };
-z.elementStyles = [], z.shadowRootOptions = { mode: "open" }, z[I("elementProperties")] = /* @__PURE__ */ new Map(), z[I("finalized")] = /* @__PURE__ */ new Map(), ct?.({ ReactiveElement: z }), (K.reactiveElementVersions ??= []).push("2.1.2");
+T.elementStyles = [], T.shadowRootOptions = { mode: "open" }, T[I("elementProperties")] = /* @__PURE__ */ new Map(), T[I("finalized")] = /* @__PURE__ */ new Map(), ct?.({ ReactiveElement: T }), (K.reactiveElementVersions ??= []).push("2.1.2");
 const pe = globalThis, be = (i) => i, V = pe.trustedTypes, ve = V ? V.createPolicy("lit-html", { createHTML: (i) => i }) : void 0, Qe = "$lit$", k = `lit$${Math.random().toFixed(9).slice(2)}$`, We = "?" + k, dt = `<${We}>`, A = document, P = () => A.createComment(""), H = (i) => i === null || typeof i != "object" && typeof i != "function", he = Array.isArray, pt = (i) => he(i) || typeof i?.[Symbol.iterator] == "function", Y = `[ 	
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@@ -266,13 +266,13 @@ const ht = (i, e) => {
   }
   return [Je(i, a + (i[t] || "<?>") + (e === 2 ? "</svg>" : e === 3 ? "</math>" : "")), n];
 };
-class U {
+class R {
   constructor({ strings: e, _$litType$: t }, n) {
     let s;
     this.parts = [];
     let a = 0, r = 0;
     const l = e.length - 1, o = this.parts, [p, u] = ht(e, t);
-    if (this.el = U.createElement(p, n), M.currentNode = this.el.content, t === 2 || t === 3) {
+    if (this.el = R.createElement(p, n), M.currentNode = this.el.content, t === 2 || t === 3) {
       const c = this.el.content.firstChild;
       c.replaceWith(...c.childNodes);
     }
@@ -303,11 +303,11 @@ class U {
     return n.innerHTML = e, n;
   }
 }
-function T(i, e, t = i, n) {
+function z(i, e, t = i, n) {
   if (e === S) return e;
   let s = n !== void 0 ? t._$Co?.[n] : t._$Cl;
   const a = H(e) ? void 0 : e._$litDirective$;
-  return s?.constructor !== a && (s?._$AO?.(!1), a === void 0 ? s = void 0 : (s = new a(i), s._$AT(i, t, n)), n !== void 0 ? (t._$Co ??= [])[n] = s : t._$Cl = s), s !== void 0 && (e = T(i, s._$AS(i, e.values), s, n)), e;
+  return s?.constructor !== a && (s?._$AO?.(!1), a === void 0 ? s = void 0 : (s = new a(i), s._$AT(i, t, n)), n !== void 0 ? (t._$Co ??= [])[n] = s : t._$Cl = s), s !== void 0 && (e = z(i, s._$AS(i, e.values), s, n)), e;
 }
 class ut {
   constructor(e, t) {
@@ -356,7 +356,7 @@ class N {
     return this._$AB;
   }
   _$AI(e, t = this) {
-    e = T(this, e, t), H(e) ? e === g || e == null || e === "" ? (this._$AH !== g && this._$AR(), this._$AH = g) : e !== this._$AH && e !== S && this._(e) : e._$litType$ !== void 0 ? this.$(e) : e.nodeType !== void 0 ? this.T(e) : pt(e) ? this.k(e) : this._(e);
+    e = z(this, e, t), H(e) ? e === g || e == null || e === "" ? (this._$AH !== g && this._$AR(), this._$AH = g) : e !== this._$AH && e !== S && this._(e) : e._$litType$ !== void 0 ? this.$(e) : e.nodeType !== void 0 ? this.T(e) : pt(e) ? this.k(e) : this._(e);
   }
   O(e) {
     return this._$AA.parentNode.insertBefore(e, this._$AB);
@@ -368,7 +368,7 @@ class N {
     this._$AH !== g && H(this._$AH) ? this._$AA.nextSibling.data = e : this.T(A.createTextNode(e)), this._$AH = e;
   }
   $(e) {
-    const { values: t, _$litType$: n } = e, s = typeof n == "number" ? this._$AC(e) : (n.el === void 0 && (n.el = U.createElement(Je(n.h, n.h[0]), this.options)), n);
+    const { values: t, _$litType$: n } = e, s = typeof n == "number" ? this._$AC(e) : (n.el === void 0 && (n.el = R.createElement(Je(n.h, n.h[0]), this.options)), n);
     if (this._$AH?._$AD === s) this._$AH.p(t);
     else {
       const a = new ut(s, this), r = a.u(this.options);
@@ -377,7 +377,7 @@ class N {
   }
   _$AC(e) {
     let t = Me.get(e.strings);
-    return t === void 0 && Me.set(e.strings, t = new U(e)), t;
+    return t === void 0 && Me.set(e.strings, t = new R(e)), t;
   }
   k(e) {
     he(this._$AH) || (this._$AH = [], this._$AR());
@@ -409,11 +409,11 @@ class J {
   _$AI(e, t = this, n, s) {
     const a = this.strings;
     let r = !1;
-    if (a === void 0) e = T(this, e, t, 0), r = !H(e) || e !== this._$AH && e !== S, r && (this._$AH = e);
+    if (a === void 0) e = z(this, e, t, 0), r = !H(e) || e !== this._$AH && e !== S, r && (this._$AH = e);
     else {
       const l = e;
       let o, p;
-      for (e = a[0], o = 0; o < a.length - 1; o++) p = T(this, l[n + o], t, o), p === S && (p = this._$AH[o]), r ||= !H(p) || p !== this._$AH[o], p === g ? e = g : e !== g && (e += (p ?? "") + a[o + 1]), this._$AH[o] = p;
+      for (e = a[0], o = 0; o < a.length - 1; o++) p = z(this, l[n + o], t, o), p === S && (p = this._$AH[o]), r ||= !H(p) || p !== this._$AH[o], p === g ? e = g : e !== g && (e += (p ?? "") + a[o + 1]), this._$AH[o] = p;
     }
     r && !s && this.j(e);
   }
@@ -442,7 +442,7 @@ class gt extends J {
     super(e, t, n, s, a), this.type = 5;
   }
   _$AI(e, t = this) {
-    if ((e = T(this, e, t, 0) ?? g) === S) return;
+    if ((e = z(this, e, t, 0) ?? g) === S) return;
     const n = this._$AH, s = e === g && n !== g || e.capture !== n.capture || e.once !== n.once || e.passive !== n.passive, a = e !== g && (n === g || s);
     s && this.element.removeEventListener(this.name, this, n), a && this.element.addEventListener(this.name, this, e), this._$AH = e;
   }
@@ -458,11 +458,11 @@ class _t {
     return this._$AM._$AU;
   }
   _$AI(e) {
-    T(this, e);
+    z(this, e);
   }
 }
 const yt = { I: N }, bt = pe.litHtmlPolyfillSupport;
-bt?.(U, N), (pe.litHtmlVersions ??= []).push("3.3.3");
+bt?.(R, N), (pe.litHtmlVersions ??= []).push("3.3.3");
 const vt = (i, e, t) => {
   const n = t?.renderBefore ?? e;
   let s = n._$litPart$;
@@ -473,7 +473,7 @@ const vt = (i, e, t) => {
   return s._$AI(i), s;
 };
 const ue = globalThis;
-let C = class extends z {
+let C = class extends T {
   constructor() {
     super(...arguments), this.renderOptions = { host: this }, this._$Do = void 0;
   }
@@ -592,7 +592,7 @@ function Ct(i) {
 function Se(i) {
   return Number.isFinite(i) ? Math.min(100, Math.max(0, i)) : 0;
 }
-function ze(i) {
+function Te(i) {
   return Math.max(0, Math.round(i));
 }
 function At(i) {
@@ -620,7 +620,7 @@ function St(i, e) {
   );
   return Number.isFinite(s) ? s - i : 0;
 }
-function zt(i, e) {
+function Tt(i, e) {
   if (typeof i != "string")
     return null;
   const t = i.split("-");
@@ -636,14 +636,14 @@ function zt(i, e) {
   const r = Date.UTC(n, s - 1, a), l = new Date(r - St(r, e));
   return Number.isNaN(l.getTime()) ? null : l;
 }
-function Tt(i) {
+function zt(i) {
   const e = qt[i];
   return e || i.charAt(0).toUpperCase() + i.slice(1);
 }
 function Et(i, e) {
   return Mt[i] ?? e;
 }
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+const ze = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 24.1 50 26 55.5 24.1Z M100 50 75.9 44.5 74 50 75.9 55.5Z M50 97 55.5 75.9 50 74 44.5 75.9Z M0 50 24.1 55.5 26 50 24.1 44.5Z M29.1 29.1 29.7 36.3 36.3 29.7Z M70.9 29.1 63.7 29.7 70.3 36.3Z M70.9 70.9 70.3 63.7 63.7 70.3Z M29.1 70.9 36.3 70.3 29.7 63.7Z", Nt = "M50 26.5 70.4 38.2 70.4 61.8 50 73.5 29.6 61.8 29.6 38.2Z", Lt = "M29.6 38.2H70.4M29.6 61.8H70.4M50 26.5 36.5 38.2M50 26.5 63.5 38.2M50 73.5 36.5 61.8M50 73.5 63.5 61.8M36.5 38.2V61.8M63.5 38.2V61.8M29.6 38.2 36.5 61.8M36.5 38.2 29.6 61.8M70.4 38.2 63.5 61.8M63.5 38.2 70.4 61.8", Ot = d`<svg
   class="monogram"
   viewBox="0 0 100 100"
   aria-hidden="true"
@@ -850,7 +850,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
     width: 188px;
     height: 214px;
     padding: 4px;
-    clip-path: ${x(Te)};
+    clip-path: ${x(ze)};
     background: rgba(255, 255, 255, 0.22);
   }
 
@@ -861,7 +861,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
     align-items: center;
     justify-content: center;
     padding-bottom: 70px;
-    clip-path: ${x(Te)};
+    clip-path: ${x(ze)};
     background: var(--nq-p-crest);
   }
 
@@ -1113,7 +1113,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
 >
   <circle cx="12" cy="12" r="10"></circle>
   <polygon points="16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76"></polygon>
-</svg>`, Ut = d`<svg
+</svg>`, Rt = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -1125,7 +1125,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
   <path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3Z"></path>
   <path d="M12 9v4"></path>
   <path d="M12 17h.01"></path>
-</svg>`, Rt = d`<svg
+</svg>`, Ut = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -1137,11 +1137,11 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
   <path d="M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z"></path>
   <path d="m2 2 20 20"></path>
 </svg>`, Ne = {
-  icon: Ut,
+  icon: Rt,
   headline: "NestQuest is not set up yet",
   body: "A parent needs to finish setting up NestQuest before the party can gather."
 }, jt = {
-  icon: Rt,
+  icon: Ut,
   headline: "The records cannot be reached",
   body: "The party's records are quiet right now. NestQuest will return shortly."
 }, Dt = d`<svg
@@ -1280,7 +1280,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
       `sensor.nestquest_${e}_completion_pct_today`
     ), r = this._state(
       `binary_sensor.nestquest_${e}_present_today`
-    ), l = n?.attributes ?? {}, o = ze(te(n?.state, 0)), p = ze(te(s?.state, 0)), u = a ? te(a.state, Number.NaN) : Number.NaN, c = Number.isFinite(u) ? Se(u) : o > 0 ? Se(p / o * 100) : 0;
+    ), l = n?.attributes ?? {}, o = Te(te(n?.state, 0)), p = Te(te(s?.state, 0)), u = a ? te(a.state, Number.NaN) : Number.NaN, c = Number.isFinite(u) ? Se(u) : o > 0 ? Se(p / o * 100) : 0;
     let f = !0;
     const h = l.present;
     typeof h == "boolean" ? f = h : r && (f = String(r.state ?? "").trim().toLowerCase() === "on");
@@ -1293,10 +1293,10 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
       typeof X == "string" && X.trim() && (m = X.trim());
     }
     m || (m = At(e));
-    const v = zt(
+    const v = Tt(
       r?.attributes?.next_present,
       this._timeZone()
-    ), R = v ? `Returns ${ee(v, this._timeZone())}` : null;
+    ), U = v ? `Returns ${ee(v, this._timeZone())}` : null;
     return {
       slug: e,
       name: m,
@@ -1305,7 +1305,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
       completed: p,
       due: o,
       pct: c,
-      returns: R,
+      returns: U,
       unresolved: t
     };
   }
@@ -1439,7 +1439,7 @@ const Te = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", Ee = "M50 3 44.5 2
           <span class="clock">${$t(this._now, this._timeZone())}</span>
         </div>
       `;
-    const t = Tt(e.condition), n = Et(e.condition, t), s = e.temperature === null ? g : d`<span class="temp">${Math.round(e.temperature)}°</span>`, a = e.high === null || e.low === null ? null : `${Math.round(e.high)}° / ${Math.round(e.low)}°`;
+    const t = zt(e.condition), n = Et(e.condition, t), s = e.temperature === null ? g : d`<span class="temp">${Math.round(e.temperature)}°</span>`, a = e.high === null || e.low === null ? null : `${Math.round(e.high)}° / ${Math.round(e.low)}°`;
     return d`
       <div class="dock">
         ${Dt}
@@ -1539,8 +1539,8 @@ const Be = (i, e, t) => {
     else if (p === void 0 && (p = Be(r, h, m), u = Be(l, c, f)), p.has(l[c])) if (p.has(l[f])) {
       const _ = u.get(r[h]), v = _ !== void 0 ? s[_] : null;
       if (v === null) {
-        const R = O(i, s[c]);
-        q(R, a[h]), o[h] = R;
+        const U = O(i, s[c]);
+        q(U, a[h]), o[h] = U;
       } else o[h] = q(v, a[h]), O(i, s[c], v), s[_] = null;
       h++;
     } else ne(s[f]), f--;
@@ -2387,7 +2387,7 @@ function pn(i, e) {
   );
   return Number.isFinite(s) ? s - i : 0;
 }
-function Ue(i, e) {
+function Re(i, e) {
   if (typeof i != "string")
     return null;
   const t = i.split("-");
@@ -2470,7 +2470,7 @@ function gn(i) {
 function _n(i, e) {
   return mn[i] ?? e;
 }
-const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%)", je = [-9, 6, -4], bn = Ve`
+const Ue = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50% 0, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%)", je = [-9, 6, -4], bn = Ve`
   * {
     box-sizing: border-box;
   }
@@ -2524,13 +2524,44 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
     gap: 28px;
   }
 
+  button.return {
+    flex: none;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 10px;
+    height: var(--nq-p-button-height);
+    padding: 0 28px 0 20px;
+    border: 2px solid rgba(92, 62, 26, 0.5);
+    border-radius: 10px;
+    background: rgba(92, 62, 26, 0.1);
+    color: var(--nq-p-ink);
+    font-family: var(--nq-p-font-heading);
+    font-size: 26px;
+    font-weight: 700;
+    line-height: 1;
+    white-space: nowrap;
+    cursor: pointer;
+    -webkit-tap-highlight-color: transparent;
+    transition: transform var(--nq-dur-micro) var(--nq-ease-out);
+  }
+
+  button.return:active {
+    transform: scale(0.98);
+  }
+
+  button.return svg {
+    width: 34px;
+    height: 34px;
+  }
+
   .crest {
     position: relative;
     flex: none;
     width: 96px;
     height: 110px;
     padding: 4px;
-    clip-path: ${x(Re)};
+    clip-path: ${x(Ue)};
     background: rgba(255, 255, 255, 0.22);
   }
 
@@ -2541,7 +2572,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
     align-items: center;
     justify-content: center;
     padding-bottom: 32px;
-    clip-path: ${x(Re)};
+    clip-path: ${x(Ue)};
     background: var(--nq-p-crest);
   }
 
@@ -3343,6 +3374,16 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
 >
   <path d="M18 6 6 18"></path>
   <path d="m6 6 12 12"></path>
+</svg>`, xn = d`<svg
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+  aria-hidden="true"
+>
+  <path d="m15 18-6-6 6-6"></path>
 </svg>`, se = d`<svg
   viewBox="0 0 24 24"
   fill="none"
@@ -3355,7 +3396,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   <polygon
     points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26"
   ></polygon>
-</svg>`, xn = d`<svg
+</svg>`, wn = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3390,7 +3431,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   <path d="M20 12h2"></path>
   <path d="m6.34 17.66-1.41 1.41"></path>
   <path d="m19.07 4.93-1.41 1.41"></path>
-</svg>`, wn = d`<svg
+</svg>`, kn = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3400,7 +3441,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   aria-hidden="true"
 >
   <path d="M12 3a6 6 0 0 0 9 9 9 9 0 1 1-9-9Z"></path>
-</svg>`, kn = d`<svg
+</svg>`, $n = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3411,7 +3452,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
 >
   <path d="M3.5 21 12 3.5 20.5 21"></path>
   <path d="M9 21l3-8 3 8"></path>
-</svg>`, $n = d`<svg
+</svg>`, qn = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3422,7 +3463,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
 >
   <circle cx="12" cy="12" r="10"></circle>
   <polygon points="16.24 7.76 14.12 14.12 7.76 16.24 9.88 9.88 16.24 7.76"></polygon>
-</svg>`, qn = d`<svg
+</svg>`, Mn = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3434,7 +3475,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   <path d="m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3Z"></path>
   <path d="M12 9v4"></path>
   <path d="M12 17h.01"></path>
-</svg>`, Mn = d`<svg
+</svg>`, Cn = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3445,7 +3486,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
 >
   <path d="M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z"></path>
   <path d="m2 2 20 20"></path>
-</svg>`, Cn = d`<svg
+</svg>`, An = d`<svg
   viewBox="0 0 24 24"
   fill="none"
   stroke="currentColor"
@@ -3456,22 +3497,22 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
 >
   <path d="M13 16a3 3 0 1 1 0 6H7a5 5 0 1 1 4.9-6Z"></path>
   <path d="M10.1 9A6 6 0 0 1 16 4a4.5 4.5 0 0 0 8.9 4.2v.1a6 6 0 0 1-5.2 5.7"></path>
-</svg>`, An = {
-  icon: $n,
+</svg>`, Sn = {
+  icon: qn,
   headline: "No adventurer chosen",
   body: "Open The Party and tap your crest to open your quest log."
-}, Sn = {
-  icon: qn,
+}, Tn = {
+  icon: Mn,
   headline: "NestQuest is not set up yet",
   body: "A parent needs to finish setting up NestQuest."
 }, zn = {
-  icon: Mn,
+  icon: Cn,
   headline: "The records cannot be reached",
   body: "The party's records are quiet right now. NestQuest will return shortly."
 }, De = [
-  { key: "morning", name: "Morning", range: "Until 11:59 AM", icon: xn },
+  { key: "morning", name: "Morning", range: "Until 11:59 AM", icon: wn },
   { key: "afternoon", name: "Afternoon", range: "12:00–5:00 PM", icon: Ye },
-  { key: "evening", name: "Evening", range: "5:00–9:00 PM", icon: wn }
+  { key: "evening", name: "Evening", range: "5:00–9:00 PM", icon: kn }
 ], W = class W extends C {
   constructor() {
     super(...arguments), this._now = /* @__PURE__ */ new Date(), this._confirm = null, this._optimistic = /* @__PURE__ */ new Map(), this._toast = null, this._countdown = null, this._unsubs = [], this._subscribed = !1, this._subGeneration = 0, this._onActivity = () => {
@@ -3554,9 +3595,9 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   _renderMain(e) {
     switch (e.kind) {
       case "no-adventurer":
-        return this._renderNotice(An);
-      case "not-set-up":
         return this._renderNotice(Sn);
+      case "not-set-up":
+        return this._renderNotice(Tn);
       case "unreachable":
         return this._renderNotice(zn);
       case "away": {
@@ -3565,7 +3606,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
           ${this._renderHeader(e)}
           <div class="notice-wrap">
             <div class="notice away" role="status">
-              ${kn}
+              ${$n}
               <span class="notice-headline">${e.name} is on travels</span>
               ${t.map((n) => d`<p class="notice-body">${n}</p>`)}
             </div>
@@ -3669,7 +3710,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
   _awayReturns(e) {
     const t = this._timeZone(), n = this._state(
       `binary_sensor.nestquest_${e}_present_today`
-    ), s = Ue(
+    ), s = Re(
       n?.attributes?.next_present,
       t
     );
@@ -3815,7 +3856,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
       if (!u) {
         const _ = this._state(
           `binary_sensor.nestquest_${l}_present_today`
-        ), v = Ue(
+        ), v = Re(
           _?.attributes?.next_present,
           n
         );
@@ -3836,6 +3877,16 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
     const t = this._childSlug(), n = e.kind === "away", s = n ? e.name : this._childName(t) ?? (t ? ie(t) : null), { due: a, completed: r } = this._childCounts(t), l = this._remaining(), o = this._partyCounts(), p = s ? `${s}'s Quest Log` : "Quest Log", u = (s?.charAt(0) || "?").toUpperCase();
     return d`
       <header class="header">
+        ${this._boardPath() ? d`
+              <button
+                class="return"
+                type="button"
+                @click=${() => this._returnToBoard()}
+              >
+                ${xn}
+                <span>The Party</span>
+              </button>
+            ` : g}
         <span class="crest${n ? " away" : ""}" aria-hidden="true">
           <span class="crest-face">
             <span class="initial">${u}</span>
@@ -4183,7 +4234,7 @@ const Re = "polygon(0 0, 100% 0, 100% 62%, 50% 100%, 0 62%)", yn = "polygon(50%
     const t = gn(e.condition), n = _n(e.condition, t), s = e.temperature === null ? g : d`<span class="temp">${Math.round(e.temperature)}°</span>`, a = e.high === null || e.low === null ? null : `${Math.round(e.high)}° / ${Math.round(e.low)}°`;
     return d`
       <div class="dock">
-        ${Cn}
+        ${An}
         ${s}
         <span class="divider"></span>
         <span class="condition">
@@ -4218,7 +4269,7 @@ fe({
   name: "NestQuest Quest Log",
   description: "One child's daily quests, grouped by window."
 });
-const Tn = ":host{--nq-brand-blue: #3B3AB8;--nq-brand-purple: #A035CC;--nq-brand-gradient: linear-gradient(135deg, var(--nq-brand-blue), var(--nq-brand-purple));--nq-brand-gradient-h: linear-gradient(90deg, var(--nq-brand-blue), var(--nq-brand-purple));--nq-a-page: #F4F4F6;--nq-a-surface: #FFFFFF;--nq-a-surface-subtle: #FAFAFA;--nq-a-selected: #EBEBF8;--nq-a-border: #E4E4EA;--nq-a-divider: #EDEDF1;--nq-a-ink: #18181D;--nq-a-ink-secondary: #52525E;--nq-a-ink-tertiary: #70707E;--nq-a-success: #15803D;--nq-a-danger: #DC2626;--nq-a-danger-strong: #B91C1C;--nq-a-danger-bg: #FEE2E2;--nq-a-warning-ink: #92400E;--nq-a-warning-ink-2: #78350F;--nq-a-warning-bg: #FEF3C7;--nq-a-warning-border: rgba(217,119,6,.35);--nq-a-info-bg: #DBEAFE;--nq-a-info-ink: #1E3A8A;--nq-a-info-icon: #1D4ED8;--nq-a-reversal: #7D28A0;--nq-a-font: Nunito, system-ui, sans-serif;--nq-a-size-screen: 24px;--nq-a-size-hero: 32px;--nq-a-size-card-title: 19px;--nq-a-size-stat: 22px;--nq-a-size-row: 13.5px;--nq-a-size-meta: 11px;--nq-a-size-label: 10px;--nq-a-track-label: .1em;--nq-a-density-page-pad: 14px 16px 92px;--nq-a-density-gap: 10px;--nq-a-density-card-pad: 13px;--nq-a-density-row-pad: 11px 13px;--nq-a-density-radius: 8px;--nq-a-density-shadow: none;--nq-a-tabbar-height: 70px;--nq-a-tap-min: 44px;--nq-a-radius-pill: 9999px;--nq-a-radius-sheet: 20px 20px 0 0;--nq-a-sheet-shadow: 0 -8px 28px rgba(9,9,11,.18);--nq-a-progress-height: 6px;--nq-ease-out: cubic-bezier(0, 0, .2, 1);--nq-dur-micro: .12s;--nq-dur-base: .2s;--nq-dur-modal: .35s}", G = class G extends C {
+const En = ":host{--nq-brand-blue: #3B3AB8;--nq-brand-purple: #A035CC;--nq-brand-gradient: linear-gradient(135deg, var(--nq-brand-blue), var(--nq-brand-purple));--nq-brand-gradient-h: linear-gradient(90deg, var(--nq-brand-blue), var(--nq-brand-purple));--nq-a-page: #F4F4F6;--nq-a-surface: #FFFFFF;--nq-a-surface-subtle: #FAFAFA;--nq-a-selected: #EBEBF8;--nq-a-border: #E4E4EA;--nq-a-divider: #EDEDF1;--nq-a-ink: #18181D;--nq-a-ink-secondary: #52525E;--nq-a-ink-tertiary: #70707E;--nq-a-success: #15803D;--nq-a-danger: #DC2626;--nq-a-danger-strong: #B91C1C;--nq-a-danger-bg: #FEE2E2;--nq-a-warning-ink: #92400E;--nq-a-warning-ink-2: #78350F;--nq-a-warning-bg: #FEF3C7;--nq-a-warning-border: rgba(217,119,6,.35);--nq-a-info-bg: #DBEAFE;--nq-a-info-ink: #1E3A8A;--nq-a-info-icon: #1D4ED8;--nq-a-reversal: #7D28A0;--nq-a-font: Nunito, system-ui, sans-serif;--nq-a-size-screen: 24px;--nq-a-size-hero: 32px;--nq-a-size-card-title: 19px;--nq-a-size-stat: 22px;--nq-a-size-row: 13.5px;--nq-a-size-meta: 11px;--nq-a-size-label: 10px;--nq-a-track-label: .1em;--nq-a-density-page-pad: 14px 16px 92px;--nq-a-density-gap: 10px;--nq-a-density-card-pad: 13px;--nq-a-density-row-pad: 11px 13px;--nq-a-density-radius: 8px;--nq-a-density-shadow: none;--nq-a-tabbar-height: 70px;--nq-a-tap-min: 44px;--nq-a-radius-pill: 9999px;--nq-a-radius-sheet: 20px 20px 0 0;--nq-a-sheet-shadow: 0 -8px 28px rgba(9,9,11,.18);--nq-a-progress-height: 6px;--nq-ease-out: cubic-bezier(0, 0, .2, 1);--nq-dur-micro: .12s;--nq-dur-base: .2s;--nq-dur-modal: .35s}", G = class G extends C {
   setConfig(e) {
     if (!e || typeof e != "object")
       throw new Error("Invalid configuration");
@@ -4234,7 +4285,7 @@ const Tn = ":host{--nq-brand-blue: #3B3AB8;--nq-brand-purple: #A035CC;--nq-brand
 G.properties = {
   hass: { attribute: !1 },
   _config: { state: !0 }
-}, G.styles = [x(Tn)];
+}, G.styles = [x(En)];
 let le = G;
 customElements.define("nestquest-admin-card", le);
 fe({
@@ -4245,29 +4296,29 @@ fe({
 function et(i) {
   return typeof i == "string" ? i.trim() : "";
 }
-function En(i) {
+function Nn(i) {
   if (i === null || typeof i != "object" || Array.isArray(i))
     return "";
   const e = i.slug;
   return typeof e == "string" ? e.trim() : "";
 }
-function Nn(i) {
+function Ln(i) {
   const e = et(i.url_path).replace(/^\/+|\/+$/g, "");
   return e || (window.location.pathname.split("/").filter(Boolean)[0] ?? "");
 }
-function Ln(i) {
+function On(i) {
   if (i === null || typeof i != "object" || Array.isArray(i))
     return "";
   const e = i.name;
   return typeof e == "string" ? e.trim() : "";
 }
-function On(i) {
+function Bn(i) {
   const n = i?.states?.["sensor.nestquest_household_quests_due_today"]?.attributes?.child_roster;
-  return Array.isArray(n) ? n.map((s) => ({ slug: En(s), name: Ln(s) })).filter((s) => s.slug.length > 0) : [];
+  return Array.isArray(n) ? n.map((s) => ({ slug: Nn(s), name: On(s) })).filter((s) => s.slug.length > 0) : [];
 }
-class Bn {
+class In {
   static async generate(e, t) {
-    const n = `/${Nn(e)}`, s = et(e.weather_entity), a = {
+    const n = `/${Ln(e)}`, s = et(e.weather_entity), a = {
       type: "custom:nestquest-party-board-card",
       quest_log_path: n
     };
@@ -4284,7 +4335,7 @@ class Bn {
           type: "panel",
           cards: [a]
         },
-        ...On(t).map((l) => ({
+        ...Bn(t).map((l) => ({
           path: l.slug,
           title: l.name ? `${l.name}'s Quest Log` : `${l.slug}'s Quest Log`,
           type: "panel",
@@ -4295,9 +4346,9 @@ class Bn {
   }
 }
 window.customStrategies = window.customStrategies ?? {};
-window.customStrategies["nestquest-party"] = Bn;
-const In = "/nestquest-static/nestquest-fonts.css";
+window.customStrategies["nestquest-party"] = In;
+const Pn = "/nestquest-static/nestquest-fonts.css";
 if (!document.querySelector('link[data-nq-fonts=""]')) {
   const i = document.createElement("link");
-  i.rel = "stylesheet", i.href = In, i.dataset.nqFonts = "", document.head.appendChild(i);
+  i.rel = "stylesheet", i.href = Pn, i.dataset.nqFonts = "", document.head.appendChild(i);
 }

design/PANEL-SPEC.md

@@ -71,6 +71,14 @@ and time only rather than removing it (the strip is part of the frame).
 
 Reached by tapping a present crest. Header at y=56, page inset 62px:
 
+- **Return control** first in the header, left of the crest: a `--nq-p-button-height`
+  72px button, radius 10px, `rgba(92,62,26,.1)` with a 2px `rgba(92,62,26,.5)` border
+  (the confirm dialog's **Not yet** treatment), `chevron-left` 34px + `The Party`
+  26px/700 Cinzel `--nq-p-ink`, 28px header gap to the crest. Tapping it takes the same
+  path as the idle return (§3.5) — navigate to `board_path` — immediately. Press
+  feedback `scale(.98)`, `--nq-dur-micro`. Not rendered when no `board_path` is
+  configured. The party board is the main display and has no return control; the
+  Quest complete screen (§5) keeps its auto-return.
 - Small crest 96×110 (initial 44px/700 display).
 - Title `<Name>'s Quest Log` 56px/700 display.
 - Sub `<weekday>, <Month D> · N of M claimed` 20px/600 Cinzel, tracking .24em, uppercase.

frontend/src/cards/quest-log.ts

@@ -374,6 +374,37 @@ const logStyles = css`
     gap: 28px;
   }
 
+  button.return {
+    flex: none;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 10px;
+    height: var(--nq-p-button-height);
+    padding: 0 28px 0 20px;
+    border: 2px solid rgba(92, 62, 26, 0.5);
+    border-radius: 10px;
+    background: rgba(92, 62, 26, 0.1);
+    color: var(--nq-p-ink);
+    font-family: var(--nq-p-font-heading);
+    font-size: 26px;
+    font-weight: 700;
+    line-height: 1;
+    white-space: nowrap;
+    cursor: pointer;
+    -webkit-tap-highlight-color: transparent;
+    transition: transform var(--nq-dur-micro) var(--nq-ease-out);
+  }
+
+  button.return:active {
+    transform: scale(0.98);
+  }
+
+  button.return svg {
+    width: 34px;
+    height: 34px;
+  }
+
   .crest {
     position: relative;
     flex: none;
@@ -1199,6 +1230,18 @@ const ICON_X = html`<svg
   <path d="m6 6 12 12"></path>
 </svg>`;
 
+const ICON_CHEVRON_LEFT = html`<svg
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+  aria-hidden="true"
+>
+  <path d="m15 18-6-6 6-6"></path>
+</svg>`;
+
 const ICON_STAR = html`<svg
   viewBox="0 0 24 24"
   fill="none"
@@ -1944,6 +1987,18 @@ export class NestQuestQuestLogCard extends LitElement {
     const initial = (name?.charAt(0) || "?").toUpperCase();
     return html`
       <header class="header">
+        ${this._boardPath()
+          ? html`
+              <button
+                class="return"
+                type="button"
+                @click=${() => this._returnToBoard()}
+              >
+                ${ICON_CHEVRON_LEFT}
+                <span>The Party</span>
+              </button>
+            `
+          : nothing}
         <span class="crest${away ? " away" : ""}" aria-hidden="true">
           <span class="crest-face">
             <span class="initial">${initial}</span>

frontend/tests/render-quest-log.mjs

@@ -14,6 +14,8 @@
  * tap_complete: <instance id> the harness taps that card's Complete button,
  * records whether the confirm dialog opened, taps the dialog's Complete, and
  * reports every hass.callService call as tap: {dialog_opened, service_calls}.
+ * With tap_return: true the harness taps the header's return control and
+ * reports it as returned: {rendered, label} before the final snapshot.
  * The Python panel tests drive this harness so the
  * assertions run against the exact bundle HACS ships.
  */
@@ -75,6 +77,17 @@ if (spec.tap_complete !== undefined) {
   tap = { dialog_opened: confirm !== null, service_calls: serviceCalls };
 }
 
+let returned = null;
+if (spec.tap_return) {
+  const control = element.shadowRoot.querySelector(".header button.return");
+  returned = {
+    rendered: control !== null,
+    label: control?.textContent?.trim() ?? "",
+  };
+  control?.click();
+  await element.updateComplete;
+}
+
 const snapshot = () => ({
   location: window.location.pathname,
   headline: element.shadowRoot.querySelector(".title")?.textContent?.trim() ?? "",
@@ -110,6 +123,6 @@ if (spec.idle_ms !== undefined) {
   await new Promise((resolve) => setTimeout(resolve, spec.idle_ms));
 }
 
-const payload = JSON.stringify({ ...snapshot(), probe, tap });
+const payload = JSON.stringify({ ...snapshot(), probe, tap, returned });
 await new Promise((resolve) => process.stdout.write(payload, () => resolve()));
 process.exit(0);

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "nestquest"
-version = "0.9.2"
+version = "0.9.5"
 description = "NestQuest Home Assistant Integration"
 readme = "README.md"
 requires-python = ">=3.11"

tests/test_api_admin_settings.py

@@ -13,7 +13,7 @@ proven against the DATABASE the routes wrote, not a parallel copy.
 Proven per the done-condition, everything read back through the API:
 
 - ``GET /api/v1/admin/settings`` returns the current effective settings
-  — the eleven documented fields at their defaults on a fresh database.
+  — the twelve documented fields at their defaults on a fresh database.
 - ``PATCH /api/v1/admin/settings`` PERSISTS the supplied fields and the
   NEXT read reflects them; a later partial update merges onto the
   current effective settings (omitted fields keep their stored value),
@@ -60,7 +60,7 @@ _dao_meta = importlib.import_module("nestquest_core.dao_meta")
 SETTINGS_META_KEY = "settings"
 
 #: The all-defaults effective settings a fresh database reports — the
-#: documented eleven fields, asserted literally so the payload contract is
+#: documented twelve fields, asserted literally so the payload contract is
 #: pinned here, independent of the core constants.
 DEFAULT_SETTINGS = {
     "horizon_days": 14,
@@ -74,6 +74,7 @@ DEFAULT_SETTINGS = {
     "end_of_day_report_enabled": True,
     "celebration_enabled": True,
     "timezone": "",
+    "timezone_configured": False,
 }
 
 
@@ -104,7 +105,7 @@ async def settings_client(temp_db_path: str) -> SimpleNamespace:
 async def test_get_settings_returns_defaults_on_a_fresh_database(
     settings_client: SimpleNamespace,
 ) -> None:
-    """GET returns the eleven documented fields at their defaults."""
+    """GET returns the twelve documented fields at their defaults."""
     response = await settings_client.client.get(
         "/api/v1/admin/settings", headers=_admin_headers()
     )
@@ -140,7 +141,7 @@ async def test_update_persists_and_the_next_read_reflects_it(
     assert reread.status_code == 200
     assert reread.json() == expected
 
-    # ...and the DATABASE holds the merged document: the complete eleven
+    # ...and the DATABASE holds the merged document: the complete twelve
     # fields, keyed by field name, under the well-known meta_state key.
     raw = await _dao_meta.MetaStateDao(settings_client.database).get(
         SETTINGS_META_KEY
@@ -222,6 +223,40 @@ async def test_null_resets_a_field_to_its_default(
     assert reread.json()["horizon_days"] == 14
 
 
+async def test_timezone_configured_round_trips_with_an_explicit_empty_zone(
+    settings_client: SimpleNamespace,
+) -> None:
+    """An explicit empty (host-local) zone persists as configured.
+
+    The admin clearing the zone PATCHes ``timezone: ""`` together with
+    ``timezone_configured: true``; the NEXT read — a reopened settings
+    screen — sees the marker, so the empty value is a persisted choice
+    rather than a fresh install to auto-set.
+    """
+    client = settings_client.client
+    fresh = await client.get("/api/v1/admin/settings", headers=_admin_headers())
+    assert fresh.json()["timezone_configured"] is False
+
+    patched = await client.patch(
+        "/api/v1/admin/settings",
+        json={"timezone": "", "timezone_configured": True},
+        headers=_admin_headers(),
+    )
+    assert patched.status_code == 200
+    expected = {**DEFAULT_SETTINGS, "timezone_configured": True}
+    assert patched.json() == expected
+
+    reread = await client.get(
+        "/api/v1/admin/settings", headers=_admin_headers()
+    )
+    assert reread.json() == expected
+    raw = await _dao_meta.MetaStateDao(settings_client.database).get(
+        SETTINGS_META_KEY
+    )
+    assert raw is not None
+    assert json.loads(raw)["timezone_configured"] is True
+
+
 # --- validation: rejected values never change the stored settings -------
 
 
@@ -238,6 +273,8 @@ async def test_null_resets_a_field_to_its_default(
         ({"morning_summary_enabled": "yes"}, "morning_summary_enabled"),
         ({"celebration_enabled": 1}, "celebration_enabled"),
         ({"notify_target": 5}, "notify_target"),
+        ({"timezone_configured": "true"}, "timezone_configured"),
+        ({"timezone_configured": 1}, "timezone_configured"),
     ],
 )
 async def test_invalid_value_is_rejected_and_stored_settings_unchanged(

tests/test_api_client.py

@@ -196,6 +196,27 @@ async def test_complete_instance_posts_body_and_headers() -> None:
     assert call["headers"]["Authorization"] == f"Bearer {TOKEN}"
 
 
+async def test_household_timezone_rides_every_request_header() -> None:
+    """Home Assistant's zone is reported so the API reads the household
+    clock (task 6351b36d); it is sent only when the client has one."""
+    transport = StubTransport(
+        StubResponse(200, json.dumps(SNAPSHOT_PAYLOAD)),
+        StubResponse(200, '{"status": "done"}'),
+    )
+    client = NestQuestApiClient(
+        BASE_URL, TOKEN, transport, household_timezone="America/New_York"
+    )
+
+    await client.get_snapshot()
+    await client.complete_instance(42, 3)
+
+    for call in transport.calls:
+        assert call["headers"] == {
+            "Authorization": f"Bearer {TOKEN}",
+            "X-NestQuest-Timezone": "America/New_York",
+        }
+
+
 async def test_base_url_trailing_slash_is_normalized() -> None:
     """A base URL with a trailing slash must not double the path slash."""
     transport = StubTransport(StubResponse(200, "{}"))
@@ -392,11 +413,20 @@ def test_client_from_entry_reads_config_and_shared_session(monkeypatch) -> None:
         }
     )
 
-    client = api_client.client_from_entry(object(), entry)
+    hass = types.SimpleNamespace(
+        config=types.SimpleNamespace(time_zone="America/New_York")
+    )
+
+    client = api_client.client_from_entry(hass, entry)
 
     assert client._session is shared_session
     assert client._base_url == "http://panel.lan:8443"
     assert client._panel_token == "entry-token"
+    assert client._household_timezone == "America/New_York"
+
+
+#: A minimal hass stand-in carrying the configured time zone.
+_HASS_UTC = types.SimpleNamespace(config=types.SimpleNamespace(time_zone="UTC"))
 
 
 def test_client_from_entry_unconfigured_token_raises_at_construction(
@@ -419,12 +449,12 @@ def test_client_from_entry_unconfigured_token_raises_at_construction(
     assert resolve_api_config(entry)[1] == DEFAULT_PANEL_TOKEN == ""
 
     with pytest.raises(ValueError, match="panel_token must be a non-empty"):
-        api_client.client_from_entry(object(), entry)
+        api_client.client_from_entry(_HASS_UTC, entry)
 
     # Same for a whitespace-only stored token: whitespace is not a token.
     entry_ws = make_config_entry(options={CONF_PANEL_TOKEN: "   "})
     with pytest.raises(ValueError, match="panel_token must be a non-empty"):
-        api_client.client_from_entry(object(), entry_ws)
+        api_client.client_from_entry(_HASS_UTC, entry_ws)
 
 
 async def test_client_logs_nothing() -> None:

tests/test_api_household_clock.py

@@ -31,6 +31,7 @@ from zoneinfo import ZoneInfo
 import pytest
 
 from api import routes_admin, routes_panel
+from api import scheduler as scheduler_module
 from api.database import _executor
 from api.scheduler import MissedSweepScheduler, _delay_seconds
 from tests.admin_jwt_harness import (
@@ -236,6 +237,25 @@ def test_from_options_reads_and_resiliently_defaults_timezone() -> None:
     )
 
 
+def test_settings_timezone_configured_defaults_false_and_is_strict() -> None:
+    assert _settings.NestQuestSettings().timezone_configured is False
+    assert _settings.NestQuestSettings.from_options({}).timezone_configured is False
+    assert (
+        _settings.NestQuestSettings.from_options(
+            {"timezone_configured": True}
+        ).timezone_configured
+        is True
+    )
+    for value in ("true", 1, None):
+        with pytest.raises(ValueError, match="timezone_configured"):
+            _settings.NestQuestSettings(timezone_configured=value)
+        if value is not None:
+            with pytest.raises(ValueError):
+                _settings.NestQuestSettings.from_options(
+                    {"timezone_configured": value}
+                )
+
+
 # --- the missed-sweep scheduler ----------------------------------------------
 
 
@@ -307,3 +327,481 @@ def test_delay_seconds_is_true_elapsed_time_across_dst(
     now: datetime.datetime, target: datetime.time, expected: float
 ) -> None:
     assert _delay_seconds(target, now) == expected
+
+
+# --- the Home Assistant-reported zone (task 6351b36d) ------------------------
+#
+# The deployed household never set ``timezone``, so the UTC API host marked
+# morning quests overdue.  The integration reports Home Assistant's
+# ``time_zone`` on every panel request; while the admin has not chosen a
+# zone the API adopts it (persisted, so the scheduler and the admin plane
+# follow too), and an explicit admin choice still wins.
+
+
+def _reporting_panel_headers(zone: str) -> dict[str, str]:
+    return {**_panel_headers(), "X-NestQuest-Timezone": zone}
+
+
+async def _panel_pack_bag(
+    household: SimpleNamespace, zone: str
+) -> tuple[str, dict]:
+    response = await household.client.get(
+        "/api/v1/panel/snapshot", headers=_reporting_panel_headers(zone)
+    )
+    assert response.status_code == 200
+    body = response.json()
+    ada = next(
+        child
+        for child in body["children"]
+        if child["child_id"] == household.seed.ada.id
+    )
+    (instance,) = ada["instances"]
+    return body["today_iso"], instance
+
+
+async def _stored_settings(household: SimpleNamespace) -> dict:
+    response = await household.client.get(
+        "/api/v1/admin/settings", headers=_admin_headers()
+    )
+    assert response.status_code == 200
+    return response.json()
+
+
+async def test_unset_zone_adopts_reported_zone_for_overdue(
+    household: SimpleNamespace,
+) -> None:
+    """09:59:59 EDT on a UTC host, zone never set: NOT overdue."""
+    household.clock["now"] = _utc(13, 59, 59)
+    today_iso, instance = await _panel_pack_bag(household, HOUSEHOLD_ZONE)
+    assert today_iso == TODAY.isoformat()
+    assert instance["overdue"] is False
+    # Persisted as the automatic (not admin-chosen) household zone, so
+    # the admin plane and the missed-sweep scheduler read it too.
+    stored = await _stored_settings(household)
+    assert stored["timezone"] == HOUSEHOLD_ZONE
+    assert stored["timezone_configured"] is False
+    _today, admin_instance = await _pack_bag(household, "admin")
+    assert admin_instance["overdue"] is False
+
+
+async def test_unset_zone_adopts_reported_zone_for_today(
+    household: SimpleNamespace,
+) -> None:
+    """23:30 EDT is tomorrow in UTC; the household day is still today."""
+    household.clock["now"] = _utc(3, 30, day=27)
+    today_iso, _instance = await _panel_pack_bag(household, HOUSEHOLD_ZONE)
+    assert today_iso == TODAY.isoformat()
+
+
+async def test_reported_zone_completion_is_on_time(
+    household: SimpleNamespace,
+) -> None:
+    """A 09:30 EDT tap with the zone never set is on time."""
+    household.clock["now"] = _utc(13, 30)
+    seed = household.seed
+    response = await household.client.post(
+        f"/api/v1/panel/instances/{seed.pack_bag_instance.id}/complete",
+        headers=_reporting_panel_headers(HOUSEHOLD_ZONE),
+        json={"actor_child_id": seed.ada.id},
+    )
+    assert response.status_code == 200
+    _today_iso, instance = await _pack_bag(household, "admin")
+    assert instance["on_time"] is True
+
+
+async def test_reported_zone_follows_home_assistant_changes(
+    household: SimpleNamespace,
+) -> None:
+    """An automatically adopted zone tracks a later Home Assistant change."""
+    await _panel_pack_bag(household, "America/Chicago")
+    await _panel_pack_bag(household, HOUSEHOLD_ZONE)
+    assert (await _stored_settings(household))["timezone"] == HOUSEHOLD_ZONE
+
+
+async def _adopt_new_york(household: SimpleNamespace) -> None:
+    """Prove automatic adoption first, so later assertions can't pass
+    on code that ignores the reported zone altogether."""
+    await _panel_pack_bag(household, HOUSEHOLD_ZONE)
+    stored = await _stored_settings(household)
+    assert stored["timezone"] == HOUSEHOLD_ZONE
+    assert stored["timezone_configured"] is False
+
+
+@pytest.mark.parametrize("chosen", ["America/Los_Angeles", ""])
+async def test_admin_chosen_zone_wins_over_reported_zone(
+    household: SimpleNamespace, chosen: str
+) -> None:
+    await _adopt_new_york(household)
+    response = await household.client.patch(
+        "/api/v1/admin/settings",
+        json={"timezone": chosen, "timezone_configured": True},
+        headers=_admin_headers(),
+    )
+    assert response.status_code == 200
+    # A conflicting report is no longer adopted.
+    await _panel_pack_bag(household, "America/Chicago")
+    stored = await _stored_settings(household)
+    assert stored["timezone"] == chosen
+    assert stored["timezone_configured"] is True
+
+
+async def test_invalid_reported_zone_is_ignored(
+    household: SimpleNamespace,
+) -> None:
+    await _adopt_new_york(household)
+    household.clock["now"] = _utc(13, 59, 59)
+    _today_iso, instance = await _panel_pack_bag(household, "Mars/Olympus_Mons")
+    # Still read in the adopted zone: 09:59:59 EDT is not overdue.
+    assert instance["overdue"] is False
+    assert (await _stored_settings(household))["timezone"] == HOUSEHOLD_ZONE
+
+
+# --- the scheduler follows an adopted zone (task 6351b36d) -------------------
+#
+# On a UTC host with no stored zone the scheduler first plans for UTC
+# midnight; a zone adopted while it sleeps must move the sweep to the
+# household's midnight rather than sweep at 20:00 EDT.
+
+#: 13:00 UTC (09:00 EDT) to UTC midnight.
+_UTC_MIDNIGHT_DELAY = 11 * 3600
+#: 13:00 UTC (09:00 EDT) to New York midnight (04:00 UTC).
+_NEW_YORK_MIDNIGHT_DELAY = 15 * 3600
+
+
+async def test_scheduler_replans_when_panel_adopts_zone_while_sleeping(
+    temp_db_path: str,
+) -> None:
+    runner = AdminRunner(temp_db_path, jwks_for(ADMIN_KEY, KID))
+    async with runner as client:
+        app_state = runner.app.state
+        await app_state.sweep_scheduler.stop()
+        delays: list[float] = []
+        slept = asyncio.Condition()
+
+        async def sleep_stub(seconds: float) -> None:
+            async with slept:
+                delays.append(seconds)
+                slept.notify_all()
+            await asyncio.Event().wait()
+
+        scheduler = MissedSweepScheduler(
+            app_state.db.database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        app_state.sweep_scheduler = scheduler
+        scheduler.start()
+        try:
+            async with slept:
+                await asyncio.wait_for(
+                    slept.wait_for(lambda: len(delays) == 1), timeout=5
+                )
+            response = await client.get(
+                "/api/v1/panel/snapshot",
+                headers=_reporting_panel_headers(HOUSEHOLD_ZONE),
+            )
+            assert response.status_code == 200
+            async with slept:
+                await asyncio.wait_for(
+                    slept.wait_for(lambda: len(delays) == 2), timeout=5
+                )
+        finally:
+            await scheduler.stop()
+    assert delays == [
+        pytest.approx(_UTC_MIDNIGHT_DELAY),
+        pytest.approx(_NEW_YORK_MIDNIGHT_DELAY),
+    ]
+
+
+async def test_scheduler_rechecks_settings_before_sweeping(
+    temp_db_path: str, monkeypatch
+) -> None:
+    """A zone stored without a wake-up still stops the stale sweep."""
+    database = _core_db.NestQuestDatabase(_executor)
+    await database.open(temp_db_path)
+    try:
+        await _core_migrations.apply_migrations(database)
+        sweeps: list[datetime.date] = []
+
+        async def sweep_stub(_database, *, today):
+            sweeps.append(today)
+            return []
+
+        monkeypatch.setattr(
+            scheduler_module.core_sweep, "run_missed_sweep", sweep_stub
+        )
+        delays: list[float] = []
+        replanned = asyncio.Event()
+
+        async def sleep_stub(seconds: float) -> None:
+            delays.append(seconds)
+            if len(delays) == 1:
+                # The UTC rollover "arrives" after the zone was stored
+                # behind the scheduler's back.
+                await _settings_store.adopt_reported_timezone(
+                    database, HOUSEHOLD_ZONE
+                )
+                return
+            replanned.set()
+            await asyncio.Event().wait()
+
+        scheduler = MissedSweepScheduler(
+            database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        scheduler.start()
+        try:
+            await asyncio.wait_for(replanned.wait(), timeout=5)
+        finally:
+            await scheduler.stop()
+        assert sweeps == []
+        assert delays == [
+            pytest.approx(_UTC_MIDNIGHT_DELAY),
+            pytest.approx(_NEW_YORK_MIDNIGHT_DELAY),
+        ]
+    finally:
+        await database.close()
+
+
+# --- adoption is serialised with planning and sweeping (TZ-003) --------------
+#
+# An adoption racing the loop's own settings reads must never leave a
+# stale plan behind.  Each test holds the loop at one of its reads and
+# issues a real panel adoption there; when the scheduler's settings lock
+# is held at that point the adoption provably cannot commit until the
+# loop moves on, otherwise it is awaited to commit inside the window.
+
+
+def _hold_scheduler_read(monkeypatch, scheduler, nth: int, during):
+    """Run ``during(settings)`` inside the scheduler task's ``nth`` read."""
+    real_load = _settings_store.load_settings
+    reads = {"count": 0}
+
+    async def load_settings(database):
+        settings = await real_load(database)
+        if asyncio.current_task() is scheduler._task:
+            reads["count"] += 1
+            if reads["count"] == nth:
+                await during(settings)
+        return settings
+
+    monkeypatch.setattr(
+        scheduler_module.core_settings_store, "load_settings", load_settings
+    )
+    return real_load
+
+
+async def _adopt_via(client, zone: str) -> None:
+    response = await client.get(
+        "/api/v1/panel/snapshot", headers=_reporting_panel_headers(zone)
+    )
+    assert response.status_code == 200
+
+
+async def _adopt_inside_read(client, scheduler, zone: str) -> asyncio.Task:
+    """Start a panel adoption of ``zone``; let it commit unless serialised."""
+    adoption = asyncio.create_task(
+        client.get(
+            "/api/v1/panel/snapshot", headers=_reporting_panel_headers(zone)
+        )
+    )
+    lock = getattr(scheduler, "settings_lock", None)
+    if lock is None or not lock.locked():
+        await adoption
+    return adoption
+
+
+async def test_scheduler_follows_successive_zone_changes(
+    temp_db_path: str, monkeypatch
+) -> None:
+    """New York -> UTC -> New York while the re-plan read is in flight."""
+    runner = AdminRunner(temp_db_path, jwks_for(ADMIN_KEY, KID))
+    async with runner as client:
+        app_state = runner.app.state
+        await app_state.sweep_scheduler.stop()
+        delays: list[float] = []
+        slept = asyncio.Condition()
+
+        async def sleep_stub(seconds: float) -> None:
+            async with slept:
+                delays.append(seconds)
+                slept.notify_all()
+            await asyncio.Event().wait()
+
+        scheduler = MissedSweepScheduler(
+            app_state.db.database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        app_state.sweep_scheduler = scheduler
+        await _adopt_via(client, HOUSEHOLD_ZONE)
+        adoptions: list[asyncio.Task] = []
+
+        async def back_to_new_york(_settings) -> None:
+            adoptions.append(
+                await _adopt_inside_read(client, scheduler, HOUSEHOLD_ZONE)
+            )
+
+        # Read 1 plans New York; read 2 is the re-plan after UTC.
+        _hold_scheduler_read(monkeypatch, scheduler, 2, back_to_new_york)
+        scheduler.start()
+        try:
+            async with slept:
+                await asyncio.wait_for(
+                    slept.wait_for(lambda: len(delays) == 1), timeout=5
+                )
+            await _adopt_via(client, "UTC")
+            async with slept:
+                await asyncio.wait_for(
+                    slept.wait_for(lambda: len(delays) == 3), timeout=5
+                )
+            (adoption,) = adoptions
+            assert (await adoption).status_code == 200
+        finally:
+            await scheduler.stop()
+    # The in-flight read planned UTC; the New York adoption that followed
+    # it woke the wait, so the scheduler sleeps on New York midnight.
+    assert delays == [
+        pytest.approx(_NEW_YORK_MIDNIGHT_DELAY),
+        pytest.approx(_UTC_MIDNIGHT_DELAY),
+        pytest.approx(_NEW_YORK_MIDNIGHT_DELAY),
+    ]
+
+
+async def test_adoption_after_presweep_check_cannot_precede_the_sweep(
+    temp_db_path: str, monkeypatch
+) -> None:
+    """No sweep runs once an adoption has replaced its plan."""
+    runner = AdminRunner(temp_db_path, jwks_for(ADMIN_KEY, KID))
+    async with runner as client:
+        app_state = runner.app.state
+        await app_state.sweep_scheduler.stop()
+        delays: list[float] = []
+        replanned = asyncio.Event()
+
+        async def sleep_stub(seconds: float) -> None:
+            delays.append(seconds)
+            if len(delays) == 1:
+                return  # the UTC rollover arrives
+            replanned.set()
+            await asyncio.Event().wait()
+
+        scheduler = MissedSweepScheduler(
+            app_state.db.database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        app_state.sweep_scheduler = scheduler
+        adoptions: list[asyncio.Task] = []
+
+        async def adopt_new_york(_settings) -> None:
+            adoptions.append(
+                await _adopt_inside_read(client, scheduler, HOUSEHOLD_ZONE)
+            )
+
+        # Read 1 plans UTC; read 2 is the pre-sweep re-check.
+        real_load = _hold_scheduler_read(
+            monkeypatch, scheduler, 2, adopt_new_york
+        )
+        swept_under: list[str] = []
+
+        async def sweep_stub(database, *, today):
+            swept_under.append((await real_load(database)).timezone)
+            return []
+
+        monkeypatch.setattr(
+            scheduler_module.core_sweep, "run_missed_sweep", sweep_stub
+        )
+        scheduler.start()
+        try:
+            await asyncio.wait_for(replanned.wait(), timeout=5)
+            (adoption,) = adoptions
+            assert (await adoption).status_code == 200
+        finally:
+            await scheduler.stop()
+    # The sweep ran for the UTC plan with UTC still stored, never after
+    # New York had been adopted; the next plan is New York midnight.
+    assert swept_under == [""]
+    assert delays == [
+        pytest.approx(_UTC_MIDNIGHT_DELAY),
+        pytest.approx(_NEW_YORK_MIDNIGHT_DELAY),
+    ]
+
+
+# --- the wait's child tasks (TZ-004) ------------------------------------------
+
+
+async def test_failed_sleep_is_retried_not_swept(
+    temp_db_path: str, monkeypatch
+) -> None:
+    """A sleep that raises backs off and re-plans; nothing is swept."""
+    database = _core_db.NestQuestDatabase(_executor)
+    await database.open(temp_db_path)
+    try:
+        await _core_migrations.apply_migrations(database)
+        sweeps: list[datetime.date] = []
+
+        async def sweep_stub(_database, *, today):
+            sweeps.append(today)
+            return []
+
+        monkeypatch.setattr(
+            scheduler_module.core_sweep, "run_missed_sweep", sweep_stub
+        )
+        delays: list[float] = []
+        replanned = asyncio.Event()
+
+        async def sleep_stub(seconds: float) -> None:
+            delays.append(seconds)
+            if len(delays) == 1:
+                raise RuntimeError("timer failed")
+            if len(delays) == 2:
+                return  # the retry backoff
+            replanned.set()
+            await asyncio.Event().wait()
+
+        scheduler = MissedSweepScheduler(
+            database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        scheduler.start()
+        try:
+            await asyncio.wait_for(replanned.wait(), timeout=5)
+        finally:
+            await scheduler.stop()
+        assert sweeps == []
+        assert delays == [
+            pytest.approx(_UTC_MIDNIGHT_DELAY),
+            scheduler_module._RETRY_BACKOFF_SECONDS,
+            pytest.approx(_UTC_MIDNIGHT_DELAY),
+        ]
+    finally:
+        await database.close()
+
+
+async def test_stop_waits_for_the_sleep_to_finish_cancelling(
+    temp_db_path: str,
+) -> None:
+    database = _core_db.NestQuestDatabase(_executor)
+    await database.open(temp_db_path)
+    try:
+        await _core_migrations.apply_migrations(database)
+        sleeping = asyncio.Event()
+        sleepers: list[asyncio.Task] = []
+        cleaned_up: list[bool] = []
+
+        async def sleep_stub(_seconds: float) -> None:
+            sleepers.append(asyncio.current_task())
+            sleeping.set()
+            try:
+                await asyncio.Event().wait()
+            finally:
+                # Cancellation cleanup that takes a loop turn.
+                await asyncio.sleep(0)
+                cleaned_up.append(True)
+
+        scheduler = MissedSweepScheduler(
+            database, clock=lambda: _utc(13, 0), sleep=sleep_stub
+        )
+        scheduler.start()
+        try:
+            await asyncio.wait_for(sleeping.wait(), timeout=5)
+        finally:
+            await scheduler.stop()
+        (sleeper,) = sleepers
+        assert sleeper.done()
+        assert cleaned_up == [True]
+    finally:
+        await database.close()

tests/test_coordinator.py

@@ -686,6 +686,8 @@ async def test_coordinator_configured_token_builds_real_client(
         hass, entry, session_factory=_session_factory
     )
     assert isinstance(real_client, NestQuestApiClient)
+    # Home Assistant's zone is reported to the API (task 6351b36d).
+    assert real_client._household_timezone == hass.config.time_zone
 
     set_coordinator_client(entry, real_client)
     assert await async_setup_entry(hass, entry) is True

tests/test_panel_cards.py

@@ -302,14 +302,15 @@ def test_quest_log_entrances_use_the_design_timing_and_easing() -> None:
         ".quest.tappable:active",
         "button.complete:active",
         "button.confirm-button:active",
+        "button.return:active",
     ):
         start = style.index(selector)
         block = style[start : style.index("}", start)]
         assert "transform: scale(0.98);" in block, selector
     assert (
         style.count("transition: transform var(--nq-dur-micro) var(--nq-ease-out);")
-        == 3
-    )  # quest card, Complete button, confirm buttons
+        == 4
+    )  # quest card, Complete button, confirm buttons, header return control
     board_style = _style_literal(_read(PARTY_BOARD), STYLE_CONSTANTS[PARTY_BOARD])
     start = board_style.index("button.plate:active")
     block = board_style[start : board_style.index("}", start)]
@@ -829,6 +830,7 @@ def _render_quest_log(
     idle_ms: int | None = None,
     probe_ms: int | None = None,
     tap_complete: int | None = None,
+    tap_return: bool = False,
 ) -> dict:
     """Render the built bundle's quest log and report its location.
 
@@ -854,6 +856,8 @@ def _render_quest_log(
         spec["probe_ms"] = probe_ms
     if tap_complete is not None:
         spec["tap_complete"] = tap_complete
+    if tap_return:
+        spec["tap_return"] = True
     completed = subprocess.run(
         ["node", str(QUEST_LOG_HARNESS)],
         input=json.dumps(spec),
@@ -923,6 +927,40 @@ def test_quest_log_idle_return_navigates_to_the_board() -> None:
     assert result["location"] == "/nestquest"
 
 
+def test_quest_log_return_control_navigates_to_the_board() -> None:
+    """PANEL-SPEC §3: the Quest Log header carries an explicit return
+    control labelled for a child. Tapping it takes the same path as the
+    idle return — the strategy-computed board_path (the dashboard root) —
+    without waiting out the idle window."""
+    generated = _generate_dashboard(
+        {}, _three_child_states(), url="http://homeassistant.local/nestquest"
+    )
+    result = _render_quest_log(
+        generated["views"][1]["cards"][0],
+        _three_child_states(),
+        url="http://homeassistant.local/nestquest/ada",
+        tap_return=True,
+    )
+    assert result["headline"] == "Ada's Quest Log"
+    assert result["returned"] == {"rendered": True, "label": "The Party"}
+    assert result["location"] == "/nestquest"
+
+
+def test_quest_log_return_control_follows_the_panel_hard_rules() -> None:
+    """The return control is a 72px button with :active feedback only,
+    lives in the header (never the dock), and reuses the idle return's
+    _returnToBoard navigation rather than a second mechanism."""
+    log = _read(QUEST_LOG)
+    style = _style_literal(log, STYLE_CONSTANTS[QUEST_LOG])
+    rules = {selector.strip(): body for selector, body in _css_rules(style)}
+    assert "height: var(--nq-p-button-height);" in rules["button.return"]
+    assert "transform: scale(0.98);" in rules["button.return:active"]
+    header = log[log.index("private _renderHeader") : log.index("private _renderColumn")]
+    assert 'class="return"' in header
+    assert "@click=${() => this._returnToBoard()}" in header
+    assert log.count("this._returnToBoard()") == 4
+
+
 def test_quest_complete_screen_returns_to_the_board_after_the_countdown() -> None:
     """The 1c screen renders with its countdown line and auto-returns to
     the strategy-computed board path when it reaches zero. The design
@@ -1035,9 +1073,12 @@ def test_quest_log_crest_keeps_its_shield_classes() -> None:
         )
         header = result["html"][result["html"].index('<header class="header">') :]
         crest = re.match(
-            r'<header class="header">\s*(?:<!--[^>]*-->\s*)*<span ([^>]*)>\s*'
+            r'<header class="header">\s*(?:<!--[^>]*-->\s*)*'
+            r'(?:<button class="return"[^>]*>.*?</button>\s*(?:<!--[^>]*-->\s*)*)?'
+            r'<span ([^>]*)>\s*'
             r'<span class="crest-face">\s*<span class="initial">',
             header,
+            re.DOTALL,
         )
         assert crest is not None, header[:600]
         assert f'class="{crest_class}"' in crest.group(1), crest.group(1)

tests/test_sse_subscription.py

@@ -351,6 +351,24 @@ async def test_stream_events_yields_documented_frames_and_sends_bearer() -> None
     assert call["json"] is None
 
 
+async def test_stream_events_reports_household_timezone() -> None:
+    """The SSE GET carries Home Assistant's zone beside the Bearer token
+    (task 6351b36d), like the snapshot and completion requests."""
+    frame = _frame_text(*DOCUMENTED_FRAMES[0])
+    transport = _StreamTransport(_StreamingResponse(200, [frame]))
+    client = NestQuestApiClient(
+        BASE_URL, TOKEN, transport, household_timezone="America/New_York"
+    )
+
+    frames = [frame async for frame in client.stream_events()]
+
+    assert frames == [DOCUMENTED_FRAMES[0]]
+    assert transport.calls[0]["headers"] == {
+        "Authorization": f"Bearer {TOKEN}",
+        "X-NestQuest-Timezone": "America/New_York",
+    }
+
+
 async def test_stream_events_buffers_lines_across_chunks_and_joins_data() -> None:
     """Chunk-split lines parse, and multi-line data joins per SSE rules."""
     first_type, first_payload = DOCUMENTED_FRAMES[0]

uv.lock

@@ -373,7 +373,7 @@ wheels = [
 
 [[package]]
 name = "nestquest"
-version = "0.9.2"
+version = "0.9.5"
 source = { virtual = "." }
 
 [package.dev-dependencies]