From ea28196169efbf924f995b290614cdba3637399f Mon Sep 17 00:00:00 2001
From: Kalle <38327916+Sendouc@users.noreply.github.com>
Date: Sat, 19 Sep 2026 13:44:26 +0300
Subject: [PATCH] Global indicator for SQ & tournaments (#3391)

---
 app/components/elements/Tabs.module.css       |  50 +++
 app/components/elements/Tabs.tsx              |  14 +-
 .../layout/AnythingAdder.module.css           |  15 +
 app/components/layout/AnythingAdder.tsx       |  11 +-
 app/components/layout/GlobalSearch.module.css |  32 ++
 app/components/layout/GlobalSearch.tsx        |   6 +-
 app/components/layout/TopNavMenus.module.css  |  10 +-
 app/components/layout/TopNavMenus.tsx         |   3 +
 .../layout/TopRightButtons.module.css         |  31 +-
 app/components/layout/TopRightButtons.tsx     |  18 +-
 app/components/layout/index.tsx               |  30 +-
 .../routes/user.$userId.active-match.ts       |  15 +-
 .../chat/ChatSystemMessage.server.test.ts     |   8 +-
 app/features/chat/ChatSystemMessage.server.ts |  17 +-
 app/features/chat/chat-constants.ts           |  13 +-
 app/features/chat/chat-hooks.ts               |   5 +-
 app/features/chat/chat-types.ts               |   7 +-
 app/features/chat/chat-utils.ts               |  31 --
 .../revalidate-broadcast-throttle.test.ts     |   4 +-
 .../chat/revalidate-broadcast-throttle.ts     |  14 +-
 .../components-showcase/routes/components.tsx | 142 ++++++++
 app/features/events/events-types.ts           |  11 +-
 app/features/friends/friends-utils.server.ts  |  46 +--
 .../global-status/GlobalStatusProvider.tsx    | 110 ++++++
 .../GlobalStatusIndicator.module.css          |  64 ++++
 .../components/GlobalStatusIndicator.tsx      |  63 ++++
 .../core/global-status.server.test.ts         | 322 ++++++++++++++++++
 .../core/global-status.server.ts              | 157 +++++++++
 .../global-status-expiry.browser.test.tsx     |  77 +++++
 .../global-status/global-status-expiry.ts     |  31 ++
 .../global-status-likes-seen.browser.test.tsx | 120 +++++++
 .../global-status/global-status-likes-seen.ts |  50 +++
 .../global-status-sounds.browser.test.tsx     | 102 ++++++
 .../global-status/global-status-sounds.ts     |  48 +++
 .../global-status/global-status-types.ts      |  28 ++
 .../global-status/routes/api.status.ts        |  15 +
 app/features/layout/LayoutDataProvider.tsx    |   1 +
 app/features/layout/core/layout.server.ts     |   2 +
 .../LeaderboardRepository.server.test.ts      |   1 +
 .../sendouq-match/SQMatchRepository.server.ts |  91 +++--
 .../actions/q.match.$id.server.ts             |  22 ++
 .../sendouq/SQGroupRepository.server.ts       |  16 +
 .../sendouq/actions/q.looking.server.ts       |  36 ++
 .../sendouq/actions/q.preparing.server.ts     |   8 +
 app/features/sendouq/actions/q.server.ts      |   8 +
 .../sendouq/core/SendouQ.server.test.ts       |  30 ++
 app/features/sendouq/core/SendouQ.server.ts   |  23 +-
 app/features/sendouq/core/groups.ts           |  21 +-
 app/features/sendouq/core/likes.server.ts     |   8 +
 .../sendouq/core/ready-check.server.test.ts   |   1 +
 .../sendouq/core/ready-check.server.ts        |  10 +
 app/features/sendouq/routes/q.looking.test.ts |   1 +
 app/features/sendouq/routes/q.looking.tsx     |   3 +
 app/features/sendouq/routes/q.ready.test.ts   |   1 +
 .../settings/components/SoundsTab.tsx         |   1 -
 .../actions/to.$id.admin.index.server.ts      |  60 +++-
 .../actions/to.$id.brackets.server.test.ts    |   1 +
 .../actions/to.$id.brackets.server.ts         |  18 +
 ...s.module.css => BracketCheckIn.module.css} |  20 +-
 .../components/BracketCheckIn.tsx             |  50 +++
 .../components/TournamentTeamActions.tsx      | 228 -------------
 .../core/Tournament.server.test.ts            | 113 +++++-
 .../core/Tournament.server.ts                 |  50 ++-
 .../core/Tournament.test.ts                   |  43 +++
 .../tournament-bracket/core/Tournament.ts     |  16 +-
 .../core/tests/test-utils.ts                  |  45 +++
 .../loaders/to.$id.brackets.server.ts         |   8 +-
 .../routes/to.$id.brackets.module.css         |   5 +-
 .../routes/to.$id.brackets.tsx                | 107 ++----
 .../actions/to.$id.matches.$mid.server.ts     |  30 +-
 .../routes/to.$id.matches.$mid.test.ts        |   1 +
 .../tournament/TournamentRepository.server.ts |  79 +++++
 .../tournament/actions/to.$id.join.server.ts  |   3 +
 .../actions/to.$id.register.server.ts         |  22 ++
 .../tournament/core/PendingCheckIns.server.ts |  59 ++++
 .../loaders/to.$id.teams.$tid.server.ts       |  21 ++
 .../tournament/routes/to.$id.teams.$tid.tsx   |  48 ++-
 .../tournament/tournament-constants.ts        |   2 +
 .../core/UserActivity.server.test.ts          | 128 +++++++
 .../user-activity/core/UserActivity.server.ts |  68 ++++
 app/root.tsx                                  |   5 +-
 app/routes.ts                                 |   1 +
 .../closeExpiredContinueVotes.test.ts         |   1 +
 app/routines/notifyCheckInStart.ts            |  12 +-
 app/routines/resolveStaleSQMatches.test.ts    |   1 +
 app/routines/resolveStaleSQMatches.ts         |   7 +
 app/utils/urls.ts                             |   1 +
 .../2026-09-01-header-status-indicator.md     |   8 +
 .../2026-09-19-brackets-page-team-actions.md  |   9 +
 e2e/pages/layout/anything-adder.ts            |   2 +-
 e2e/pages/layout/top-right-buttons.ts         |   7 +
 .../tournament/tournament-brackets-page.ts    |   8 -
 e2e/pages/tournament/tournament-team-page.ts  |   7 +
 e2e/pages/trophies/trophies-page.ts           |   2 +-
 e2e/tournament-bracket-multi-stage.spec.ts    |   6 +-
 e2e/tournament-bracket.spec.ts                |   7 +-
 locales/da/common.json                        |   9 +
 locales/da/settings.json                      |   1 -
 locales/de/common.json                        |   9 +
 locales/de/settings.json                      |   1 -
 locales/en/common.json                        |   9 +
 locales/en/settings.json                      |   1 -
 locales/es-ES/common.json                     |   9 +
 locales/es-ES/settings.json                   |   1 -
 locales/es-US/common.json                     |   9 +
 locales/es-US/settings.json                   |   1 -
 locales/fr-CA/common.json                     |   9 +
 locales/fr-CA/settings.json                   |   1 -
 locales/fr-EU/common.json                     |   9 +
 locales/fr-EU/settings.json                   |   1 -
 locales/he/common.json                        |   9 +
 locales/he/settings.json                      |   1 -
 locales/it/common.json                        |   9 +
 locales/it/settings.json                      |   1 -
 locales/ja/common.json                        |   9 +
 locales/ja/settings.json                      |   1 -
 locales/ko/common.json                        |   9 +
 locales/ko/settings.json                      |   1 -
 locales/nl/common.json                        |   9 +
 locales/nl/settings.json                      |   1 -
 locales/pl/common.json                        |   9 +
 locales/pl/settings.json                      |   1 -
 locales/pt-BR/common.json                     |   9 +
 locales/pt-BR/settings.json                   |   1 -
 locales/ru/common.json                        |   9 +
 locales/ru/settings.json                      |   1 -
 locales/zh/common.json                        |   9 +
 locales/zh/settings.json                      |   1 -
 scripts/benchmark-db/cases.ts                 |  15 +
 129 files changed, 2926 insertions(+), 562 deletions(-)
 create mode 100644 app/components/layout/AnythingAdder.module.css
 create mode 100644 app/features/global-status/GlobalStatusProvider.tsx
 create mode 100644 app/features/global-status/components/GlobalStatusIndicator.module.css
 create mode 100644 app/features/global-status/components/GlobalStatusIndicator.tsx
 create mode 100644 app/features/global-status/core/global-status.server.test.ts
 create mode 100644 app/features/global-status/core/global-status.server.ts
 create mode 100644 app/features/global-status/global-status-expiry.browser.test.tsx
 create mode 100644 app/features/global-status/global-status-expiry.ts
 create mode 100644 app/features/global-status/global-status-likes-seen.browser.test.tsx
 create mode 100644 app/features/global-status/global-status-likes-seen.ts
 create mode 100644 app/features/global-status/global-status-sounds.browser.test.tsx
 create mode 100644 app/features/global-status/global-status-sounds.ts
 create mode 100644 app/features/global-status/global-status-types.ts
 create mode 100644 app/features/global-status/routes/api.status.ts
 rename app/features/tournament-bracket/components/{TournamentTeamActions.module.css => BracketCheckIn.module.css} (66%)
 create mode 100644 app/features/tournament-bracket/components/BracketCheckIn.tsx
 delete mode 100644 app/features/tournament-bracket/components/TournamentTeamActions.tsx
 create mode 100644 app/features/tournament/core/PendingCheckIns.server.ts
 create mode 100644 app/features/user-activity/core/UserActivity.server.test.ts
 create mode 100644 app/features/user-activity/core/UserActivity.server.ts
 create mode 100644 changelog/2026-09-01-header-status-indicator.md
 create mode 100644 changelog/2026-09-19-brackets-page-team-actions.md

diff --git a/app/components/elements/Tabs.module.css b/app/components/elements/Tabs.module.css
index 4b0ccf063..69b04c441 100644
--- a/app/components/elements/Tabs.module.css
+++ b/app/components/elements/Tabs.module.css
@@ -3,6 +3,47 @@
 	overflow-y: hidden;
 }
 
+.tabListRow {
+	--tab-list-border-width: 2px;
+	container-type: inline-size;
+	display: flex;
+	align-items: flex-end;
+
+	& .tabListContainer {
+		flex: 1;
+		min-width: 0;
+		/* tabs scrolled under the actions fade out, the underline stays solid */
+		mask-image:
+			linear-gradient(to right, #000 calc(100% - var(--s-6)), transparent),
+			linear-gradient(#000, #000);
+		mask-size:
+			100% calc(100% - var(--tab-list-border-width)),
+			100% var(--tab-list-border-width);
+		mask-position: top, bottom;
+		mask-repeat: no-repeat;
+	}
+}
+
+.tabListActions {
+	flex: none;
+	display: flex;
+	align-items: center;
+	gap: var(--s-2);
+	padding-inline-start: var(--s-2);
+	padding-bottom: var(--s-1);
+	border-bottom: var(--tab-list-border-width) solid var(--color-border);
+}
+
+@container (width < 640px) {
+	.tabListActions::before {
+		content: "";
+		width: 2px;
+		height: var(--s-4);
+		border-radius: 1px;
+		background-color: var(--color-border);
+	}
+}
+
 .tabList {
 	display: flex;
 	flex-direction: row;
@@ -88,6 +129,15 @@
 	& .tabList:has(> :only-child) {
 		display: none;
 	}
+
+	& .tabListRow:has(.tabList > :only-child) .tabListActions {
+		border: none;
+		padding-bottom: var(--s-2);
+
+		&::before {
+			display: none;
+		}
+	}
 }
 
 .tabNumber {
diff --git a/app/components/elements/Tabs.tsx b/app/components/elements/Tabs.tsx
index b4cc53c2a..2ad70ee8c 100644
--- a/app/components/elements/Tabs.tsx
+++ b/app/components/elements/Tabs.tsx
@@ -272,6 +272,8 @@ interface SendouTabListProps {
 	sticky?: boolean;
 	/** tabs share 100% width equally */
 	fullWidth?: boolean;
+	/** Controls shown at the end of the tab row, outside the tablist itself (horizontal orientation only). */
+	actions?: React.ReactNode;
 	"aria-label"?: string;
 	children: React.ReactNode;
 }
@@ -279,12 +281,13 @@ interface SendouTabListProps {
 export function SendouTabList({
 	sticky,
 	fullWidth,
+	actions,
 	"aria-label": ariaLabel,
 	children,
 }: SendouTabListProps) {
 	const tabs = useTabsContext();
 
-	return (
+	const tabList = (
 		<div className={clsx(styles.tabListContainer, "scrollbar")}>
 			<div
 				className={clsx(styles.tabList, {
@@ -299,6 +302,15 @@ export function SendouTabList({
 			</div>
 		</div>
 	);
+
+	if (!actions || tabs.orientation === "vertical") return tabList;
+
+	return (
+		<div className={styles.tabListRow}>
+			{tabList}
+			<div className={styles.tabListActions}>{actions}</div>
+		</div>
+	);
 }
 
 interface SendouTabPanelProps {
diff --git a/app/components/layout/AnythingAdder.module.css b/app/components/layout/AnythingAdder.module.css
new file mode 100644
index 000000000..4d4d2966c
--- /dev/null
+++ b/app/components/layout/AnythingAdder.module.css
@@ -0,0 +1,15 @@
+/* the status indicator takes the room the label gives up */
+@container (max-width: 760px) {
+	.button.withStatus {
+		aspect-ratio: 1 / 1;
+		padding: 0;
+
+		& > svg {
+			margin-inline-end: 0;
+		}
+
+		& .label {
+			display: none;
+		}
+	}
+}
diff --git a/app/components/layout/AnythingAdder.tsx b/app/components/layout/AnythingAdder.tsx
index 8583f006d..6c2b19d08 100644
--- a/app/components/layout/AnythingAdder.tsx
+++ b/app/components/layout/AnythingAdder.tsx
@@ -1,7 +1,9 @@
+import clsx from "clsx";
 import { Plus } from "lucide-react";
 import { useTranslation } from "react-i18next";
 import { newArtPage } from "~/features/art/art-urls";
 import { useUser } from "~/features/auth/core/user";
+import { useGlobalStatus } from "~/features/global-status/GlobalStatusProvider";
 import { lfgNewPostPage } from "~/features/lfg/lfg-urls";
 import { plusSuggestionsNewPage } from "~/features/plus-suggestions/plus-suggestions-urls";
 import { canAccessTrophies } from "~/features/trophies/trophies-utils";
@@ -23,10 +25,12 @@ import {
 	SendouMenuItem,
 	type SendouMenuItemProps,
 } from "../elements/Menu";
+import styles from "./AnythingAdder.module.css";
 
 export function AnythingAdder() {
 	const { t } = useTranslation(["common"]);
 	const user = useUser();
+	const { status: globalStatus } = useGlobalStatus();
 
 	if (!user) {
 		return null;
@@ -117,9 +121,14 @@ export function AnythingAdder() {
 				<SendouButton
 					size="small"
 					icon={<Plus />}
+					className={clsx(
+						styles.button,
+						globalStatus ? styles.withStatus : null,
+					)}
+					aria-label={t("common:actions.addNew")}
 					data-testid="anything-adder-menu-button"
 				>
-					{`${t("common:actions.addNew")}…`}
+					<span className={styles.label}>{t("common:actions.addNew")}</span>
 				</SendouButton>
 			}
 		>
diff --git a/app/components/layout/GlobalSearch.module.css b/app/components/layout/GlobalSearch.module.css
index 2badedcb2..09ef28db2 100644
--- a/app/components/layout/GlobalSearch.module.css
+++ b/app/components/layout/GlobalSearch.module.css
@@ -23,6 +23,38 @@
 	}
 }
 
+.searchLabel {
+	display: flex;
+	flex-grow: 1;
+	align-items: center;
+	gap: var(--s-2);
+	white-space: nowrap;
+}
+
+@container (max-width: 920px) {
+	[data-with-status] .searchLabel {
+		display: none;
+	}
+
+	[data-with-status] .searchButton {
+		aspect-ratio: 1 / 1;
+		justify-content: center;
+		padding: 0;
+	}
+}
+
+@container (width < 620px) {
+	.searchLabel {
+		display: none;
+	}
+
+	.searchButton {
+		aspect-ratio: 1 / 1;
+		justify-content: center;
+		padding: 0;
+	}
+}
+
 .searchIcon {
 	width: 16px;
 	height: 16px;
diff --git a/app/components/layout/GlobalSearch.tsx b/app/components/layout/GlobalSearch.tsx
index d6330f9a4..b59f33c90 100644
--- a/app/components/layout/GlobalSearch.tsx
+++ b/app/components/layout/GlobalSearch.tsx
@@ -124,8 +124,10 @@ export function GlobalSearch() {
 				className={styles.searchButton}
 			>
 				<Search className={styles.searchIcon} />
-				<span className={styles.searchPlaceholder}>{t("common:search")}</span>
-				<kbd className={styles.searchKbd}>{isMac ? "Cmd+K" : "Ctrl+K"}</kbd>
+				<span className={styles.searchLabel}>
+					<span className={styles.searchPlaceholder}>{t("common:search")}</span>
+					<kbd className={styles.searchKbd}>{isMac ? "Cmd+K" : "Ctrl+K"}</kbd>
+				</span>
 			</Link>
 			{isOpen ? (
 				<SendouModal
diff --git a/app/components/layout/TopNavMenus.module.css b/app/components/layout/TopNavMenus.module.css
index f1263d362..e98c5da14 100644
--- a/app/components/layout/TopNavMenus.module.css
+++ b/app/components/layout/TopNavMenus.module.css
@@ -14,7 +14,8 @@
 .menuButton {
 	display: flex;
 	align-items: center;
-	padding: 0 var(--s-2);
+	gap: var(--s-1);
+	padding: 0 var(--s-1-5);
 	height: var(--field-size-sm);
 	border: none;
 	border-radius: var(--radius-field);
@@ -31,6 +32,13 @@
 	}
 }
 
+.menuButtonChevron {
+	width: 14px;
+	height: 14px;
+	color: var(--color-text-high);
+	flex-shrink: 0;
+}
+
 .menuPopover {
 	background-color: var(--color-bg-high);
 }
diff --git a/app/components/layout/TopNavMenus.tsx b/app/components/layout/TopNavMenus.tsx
index d1fd7bf17..953ac938f 100644
--- a/app/components/layout/TopNavMenus.tsx
+++ b/app/components/layout/TopNavMenus.tsx
@@ -1,4 +1,5 @@
 import clsx from "clsx";
+import { ChevronDown } from "lucide-react";
 import { useState } from "react";
 import { useTranslation } from "react-i18next";
 import { Form, Link, useLocation } from "react-router";
@@ -100,6 +101,7 @@ function DevMenu() {
 						onPointerEnter={() => setIsPreviewSuppressed(false)}
 					>
 						Dev
+						<ChevronDown className={styles.menuButtonChevron} />
 					</button>
 				}
 				popoverClassName={styles.menuPopover}
@@ -222,6 +224,7 @@ function CategoryMenu({
 						onPointerEnter={() => setIsPreviewSuppressed(false)}
 					>
 						{t(`front:nav.${category.name}`)}
+						<ChevronDown className={styles.menuButtonChevron} />
 					</button>
 				}
 				popoverClassName={styles.menuPopover}
diff --git a/app/components/layout/TopRightButtons.module.css b/app/components/layout/TopRightButtons.module.css
index c9b831a57..44e075861 100644
--- a/app/components/layout/TopRightButtons.module.css
+++ b/app/components/layout/TopRightButtons.module.css
@@ -2,6 +2,7 @@
 	display: flex;
 	gap: var(--s-4);
 	margin-left: auto;
+	min-width: 0;
 }
 
 .supportWrapper {
@@ -15,7 +16,7 @@
 }
 
 @media screen and (min-width: 600px) {
-	@container (max-width: 600px) {
+	@container (max-width: 700px) {
 		.supportWrapper {
 			display: none;
 		}
@@ -24,12 +25,36 @@
 			display: block;
 		}
 	}
+
+	@container (max-width: 920px) {
+		.withStatus .supportWrapper {
+			display: none;
+		}
+
+		.withStatus .supportWrapperCompact {
+			display: block;
+		}
+	}
 }
 
 .searchAndAddContainer {
-	display: grid;
-	grid-template-columns: 1fr max-content;
+	display: flex;
 	gap: var(--s-2);
+	min-width: 0;
+}
+
+.searchWrapper {
+	flex: 1 1 0;
+	min-width: 0;
+}
+
+/* the status indicator takes the room the search button gives up */
+.withStatus {
+	@container (max-width: 920px) {
+		& .searchWrapper {
+			flex: none;
+		}
+	}
 }
 
 .searchWrapper > button {
diff --git a/app/components/layout/TopRightButtons.tsx b/app/components/layout/TopRightButtons.tsx
index 973208b95..59e91f82a 100644
--- a/app/components/layout/TopRightButtons.tsx
+++ b/app/components/layout/TopRightButtons.tsx
@@ -1,5 +1,8 @@
+import clsx from "clsx";
 import { Heart, LogIn, MessageSquare } from "lucide-react";
 import { useTranslation } from "react-i18next";
+import { GlobalStatusIndicator } from "~/features/global-status/components/GlobalStatusIndicator";
+import { useGlobalStatus } from "~/features/global-status/GlobalStatusProvider";
 import { SUPPORT_PAGE } from "~/utils/urls";
 import { LinkButton, SendouButton } from "../elements/Button";
 import { AnythingAdder } from "./AnythingAdder";
@@ -21,9 +24,16 @@ export function TopRightButtons({
 	chatUnreadCount?: number;
 }) {
 	const { t } = useTranslation(["common", "front"]);
+	const { status: globalStatus } = useGlobalStatus();
+	const hasGlobalStatus = globalStatus !== null;
 
 	return (
-		<div className={styles.container}>
+		<div
+			className={clsx(
+				styles.container,
+				hasGlobalStatus ? styles.withStatus : null,
+			)}
+		>
 			{showSupport ? (
 				<>
 					<div className={styles.supportWrapper}>
@@ -48,7 +58,11 @@ export function TopRightButtons({
 				</>
 			) : null}
 			<div className={styles.searchAndAddContainer}>
-				<div className={styles.searchWrapper}>
+				<GlobalStatusIndicator />
+				<div
+					className={styles.searchWrapper}
+					data-with-status={hasGlobalStatus ? "" : undefined}
+				>
 					{isLoggedIn ? <GlobalSearch /> : <LoggedOutGlobalSearch />}
 				</div>
 				{isLoggedIn ? <AnythingAdder /> : null}
diff --git a/app/components/layout/index.tsx b/app/components/layout/index.tsx
index cb9333287..387ed49b8 100644
--- a/app/components/layout/index.tsx
+++ b/app/components/layout/index.tsx
@@ -18,6 +18,7 @@ import { useUser } from "~/features/auth/core/user";
 import { ScheduleNudge } from "~/features/availability/components/ScheduleNudge";
 import { useChatContext } from "~/features/chat/ChatProvider";
 import { FriendMenu } from "~/features/friends/components/FriendMenu";
+import { useGlobalStatus } from "~/features/global-status/GlobalStatusProvider";
 import { useLayoutData } from "~/features/layout/LayoutDataProvider";
 import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useClosePopoversOnNavigation } from "~/hooks/useClosePopoversOnNavigation";
@@ -167,6 +168,13 @@ function useNavOffset(headerRef: React.RefObject<HTMLElement | null>) {
 
 	const scrollAccumulator = React.useRef(0);
 
+	// stable so the effect revealing the nav on a status change can depend on it
+	const revealNav = React.useCallback(() => {
+		setNavOffset(0);
+		scrollAccumulator.current = 0;
+		lastScrollY.current = window.scrollY;
+	}, []);
+
 	React.useEffect(() => {
 		if (!isMobileLayout) return;
 
@@ -216,7 +224,24 @@ function useNavOffset(headerRef: React.RefObject<HTMLElement | null>) {
 		};
 	}, [headerRef, isMobileLayout]);
 
-	return navOffset;
+	return { navOffset, revealNav };
+}
+
+/**
+ * Pops the scrolled-away mobile header back out when the global status
+ * changes, so the change is seen the moment it happens.
+ */
+function useRevealNavOnStatusChange(revealNav: () => void) {
+	const { status } = useGlobalStatus();
+	const statusKey = status ? `${status.state}:${status.count ?? ""}` : null;
+	const prevKeyRef = React.useRef(statusKey);
+
+	React.useEffect(() => {
+		if (prevKeyRef.current === statusKey) return;
+
+		prevKeyRef.current = statusKey;
+		revealNav();
+	}, [statusKey, revealNav]);
 }
 
 export function Layout({
@@ -253,7 +278,8 @@ export function Layout({
 	const location = useLocation();
 	const [authError] = useSearchParam(authErrorSearchParams, "authError");
 	const headerRef = React.useRef<HTMLElement>(null);
-	const navOffset = useNavOffset(headerRef);
+	const { navOffset, revealNav } = useNavOffset(headerRef);
+	useRevealNavOnStatusChange(revealNav);
 
 	const user = useUser();
 	const { showUnseenDot } = useNotifications();
diff --git a/app/features/api-public/routes/user.$userId.active-match.ts b/app/features/api-public/routes/user.$userId.active-match.ts
index ac8635d4e..7c3630168 100644
--- a/app/features/api-public/routes/user.$userId.active-match.ts
+++ b/app/features/api-public/routes/user.$userId.active-match.ts
@@ -1,7 +1,6 @@
 import type { LoaderFunctionArgs } from "react-router";
 import * as v from "valibot";
-import { SendouQ } from "~/features/sendouq/core/SendouQ.server";
-import { RunningTournaments } from "~/features/tournament-bracket/core/RunningTournaments.server";
+import * as UserActivity from "~/features/user-activity/core/UserActivity.server";
 import { parseParams } from "~/utils/remix.server";
 import { id } from "~/utils/schema";
 import type { GetUsersActiveMatchResponse } from "../schema";
@@ -16,10 +15,11 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 		schema: paramsSchema,
 	});
 
-	const sendouqGroup = SendouQ.findOwnGroup(userId);
-	if (sendouqGroup?.matchId) {
+	const activity = UserActivity.resolve(userId);
+
+	if (activity.sendouq?.group.matchId) {
 		const result: GetUsersActiveMatchResponse = {
-			matchId: sendouqGroup.matchId,
+			matchId: activity.sendouq.group.matchId,
 			lobby: "sendouq",
 			tournamentId: null,
 			bracketIdx: null,
@@ -27,9 +27,8 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 		return Response.json(result);
 	}
 
-	for (const tournament of RunningTournaments.all) {
-		const status = tournament.teamMemberOfProgressStatus({ id: userId });
-		if (status?.type === "MATCH") {
+	for (const { tournament, status } of activity.tournaments) {
+		if (status.type === "MATCH") {
 			const result: GetUsersActiveMatchResponse = {
 				matchId: status.matchId,
 				lobby: "tournament",
diff --git a/app/features/chat/ChatSystemMessage.server.test.ts b/app/features/chat/ChatSystemMessage.server.test.ts
index 19484f520..85e8d98ed 100644
--- a/app/features/chat/ChatSystemMessage.server.test.ts
+++ b/app/features/chat/ChatSystemMessage.server.test.ts
@@ -36,7 +36,7 @@ describe("ChatSystemMessage.send", () => {
 		]);
 	});
 
-	test("keeps a sound-carrying type on the broadcast, bypassing the throttle", async () => {
+	test("delivers every unthrottled type's broadcast, bypassing the throttle", async () => {
 		const received = subscribeTo("sq-group__102");
 
 		ChatSystemMessage.send({
@@ -52,12 +52,12 @@ describe("ChatSystemMessage.send", () => {
 		await flushEvents();
 
 		expect(received).toEqual([
-			{ kind: "revalidate", authorUserId: 5, type: "READY_CHECK_STARTED" },
-			{ kind: "revalidate", authorUserId: 5, type: "READY_CHECK_STARTED" },
+			{ kind: "revalidate", authorUserId: 5 },
+			{ kind: "revalidate", authorUserId: 5 },
 		]);
 	});
 
-	test("throttles rapid soundless broadcasts to the same topic", async () => {
+	test("throttles rapid untyped broadcasts to the same topic", async () => {
 		const received = subscribeTo("tournament__104");
 
 		ChatSystemMessage.send({
diff --git a/app/features/chat/ChatSystemMessage.server.ts b/app/features/chat/ChatSystemMessage.server.ts
index ac5edb40c..f9309c421 100644
--- a/app/features/chat/ChatSystemMessage.server.ts
+++ b/app/features/chat/ChatSystemMessage.server.ts
@@ -9,10 +9,8 @@ import * as ChatRoomResolver from "./ChatRoomResolver.server";
 import type {
 	PersistedSystemMessageType,
 	RevalidateScope,
-	SoundOnlySystemMessageType,
-	SystemMessageType,
+	UnthrottledSystemMessageType,
 } from "./chat-types";
-import { soundOnlyType } from "./chat-utils";
 import { createRevalidateBroadcastThrottle } from "./revalidate-broadcast-throttle";
 
 type RevalidateBroadcast = {
@@ -21,7 +19,7 @@ type RevalidateBroadcast = {
 	/** Actor whose own broadcast clients skip (their submission already reran the loaders). */
 	authorUserId?: number;
 	revalidateScope?: RevalidateScope;
-	type?: SoundOnlySystemMessageType;
+	type?: UnthrottledSystemMessageType;
 };
 
 const REVALIDATE_BROADCAST_THROTTLE_WINDOW_MS = 2_000;
@@ -87,13 +85,11 @@ function publishRevalidate(msg: {
 	channel: string;
 	revalidateScope?: RevalidateScope;
 	authorUserId?: number;
-	type?: SystemMessageType;
 }) {
 	EventBus.publish([msg.channel], {
 		kind: "revalidate",
 		scope: msg.revalidateScope,
 		authorUserId: msg.authorUserId ?? actorIdOrNullSafe() ?? undefined,
-		type: soundOnlyType(msg.type),
 	});
 }
 
@@ -106,6 +102,15 @@ export function notifyNotificationsChanged(userIds: number[]) {
 	});
 }
 
+/** Publishes a contentless "your header status changed" event to the users' streams, prompting their clients to refetch the global status. Fire and forget; a missed event only delays the refetch until the next catch-up. */
+export function notifyStatusChanged(userIds: number[]) {
+	if (userIds.length === 0) return;
+
+	EventBus.publish(R.unique(userIds).map(userChannel), {
+		kind: "statusChanged",
+	});
+}
+
 /** Publishes a "your chat room set changed" event after a membership change; clients refetch their room list and drop rooms (and held history) they lost access to. */
 export function notifyRoomsChanged(userIds: number[]) {
 	if (userIds.length === 0) return;
diff --git a/app/features/chat/chat-constants.ts b/app/features/chat/chat-constants.ts
index fc4004218..6c705dd16 100644
--- a/app/features/chat/chat-constants.ts
+++ b/app/features/chat/chat-constants.ts
@@ -1,9 +1,8 @@
 export const MESSAGE_MAX_LENGTH = 200;
 
-/** System message types that are broadcast for their sound alone rather than persisted, mapped to the sound they play. */
-export const SOUND_BY_SYSTEM_MESSAGE_TYPE = {
-	NEW_GROUP: "sq_new-group",
-	MATCH_STARTED: "sq_match",
-	READY_CHECK_STARTED: "sq_ready-check",
-	LIKE_RECEIVED: "sq_like",
-} as const;
+/** System message types that are broadcast for the moment they mark rather than persisted, and so must land unthrottled. */
+export const UNTHROTTLED_SYSTEM_MESSAGE_TYPES = [
+	"MATCH_STARTED",
+	"READY_CHECK_STARTED",
+	"LIKE_RECEIVED",
+] as const;
diff --git a/app/features/chat/chat-hooks.ts b/app/features/chat/chat-hooks.ts
index c0b1dd479..1c00cfc7d 100644
--- a/app/features/chat/chat-hooks.ts
+++ b/app/features/chat/chat-hooks.ts
@@ -7,7 +7,6 @@ import {
 } from "~/features/events/events-hooks";
 import { useUser } from "../auth/core/user";
 import type { ClientChatMessage } from "./chat-types";
-import { playMessageSound } from "./chat-utils";
 import {
 	revalidateWithScope,
 	scheduleBroadcastRevalidation,
@@ -173,15 +172,13 @@ export function useLiveRevalidation(enabled = true) {
 	});
 }
 
-/** Handles SSE `revalidate` events: plays the carried sound and schedules a loader revalidation, skipping the actor's own broadcasts (their submission already reran the loaders). */
+/** Handles SSE `revalidate` events: schedules a loader revalidation, skipping the actor's own broadcasts (their submission already reran the loaders). */
 export function useServerRevalidationEvents(userId: number) {
 	const { revalidate } = useRevalidator();
 
 	useServerEventListener((event) => {
 		if (event.kind !== "revalidate") return;
 
-		playMessageSound(event.type);
-
 		if (event.authorUserId === userId) return;
 
 		// jittered so a broadcast fanning out to a whole room does not make
diff --git a/app/features/chat/chat-types.ts b/app/features/chat/chat-types.ts
index df2a16194..42a7eed8d 100644
--- a/app/features/chat/chat-types.ts
+++ b/app/features/chat/chat-types.ts
@@ -1,6 +1,6 @@
 import type { Tables } from "~/db/tables";
 import type { CommonUser } from "~/utils/kysely.server";
-import type { SOUND_BY_SYSTEM_MESSAGE_TYPE } from "./chat-constants";
+import type { UNTHROTTLED_SYSTEM_MESSAGE_TYPES } from "./chat-constants";
 
 export type ChatRoomType =
 	| "SQ_GROUP"
@@ -10,7 +10,6 @@ export type ChatRoomType =
 	| "SCRIM";
 
 export type SystemMessageType =
-	| "NEW_GROUP"
 	| "USER_LEFT"
 	| "MATCH_STARTED"
 	| "READY_CHECK_STARTED"
@@ -41,9 +40,9 @@ export type PersistedSystemMessageType = Extract<
 	| "MODE_BANNED"
 >;
 
-export type SoundOnlySystemMessageType = Extract<
+export type UnthrottledSystemMessageType = Extract<
 	SystemMessageType,
-	keyof typeof SOUND_BY_SYSTEM_MESSAGE_TYPE
+	(typeof UNTHROTTLED_SYSTEM_MESSAGE_TYPES)[number]
 >;
 
 export interface ChatMessageAuthor extends CommonUser {
diff --git a/app/features/chat/chat-utils.ts b/app/features/chat/chat-utils.ts
index af2a3b0d6..ad718d7a7 100644
--- a/app/features/chat/chat-utils.ts
+++ b/app/features/chat/chat-utils.ts
@@ -1,23 +1,5 @@
 import { logger } from "~/utils/logger";
 import { soundPath } from "~/utils/urls";
-import { SOUND_BY_SYSTEM_MESSAGE_TYPE } from "./chat-constants";
-import type {
-	SoundOnlySystemMessageType,
-	SystemMessageType,
-} from "./chat-types";
-
-export function messageTypeToSound(type: SystemMessageType | undefined) {
-	const soundOnly = soundOnlyType(type);
-
-	return soundOnly ? SOUND_BY_SYSTEM_MESSAGE_TYPE[soundOnly] : null;
-}
-
-/** The type if its broadcast plays a sound, otherwise undefined. */
-export function soundOnlyType(
-	type: SystemMessageType | undefined,
-): SoundOnlySystemMessageType | undefined {
-	return type && playsSound(type) ? type : undefined;
-}
 
 export function soundCodeToLocalStorageKey(soundCode: string) {
 	return `settings__sound-enabled__${soundCode}`;
@@ -30,13 +12,6 @@ export function soundEnabled(soundCode: string) {
 	return !stored || stored === "true";
 }
 
-export function playMessageSound(type: SystemMessageType | undefined) {
-	const sound = messageTypeToSound(type);
-	if (!sound) return;
-
-	playSound(sound);
-}
-
 export function playSound(soundCode: string) {
 	if (!soundEnabled(soundCode)) return;
 
@@ -55,9 +30,3 @@ export function soundVolume() {
 
 	return volume ? Number.parseFloat(volume) : 100;
 }
-
-function playsSound(
-	type: SystemMessageType,
-): type is SoundOnlySystemMessageType {
-	return type in SOUND_BY_SYSTEM_MESSAGE_TYPE;
-}
diff --git a/app/features/chat/revalidate-broadcast-throttle.test.ts b/app/features/chat/revalidate-broadcast-throttle.test.ts
index cd8d1d675..287a009cd 100644
--- a/app/features/chat/revalidate-broadcast-throttle.test.ts
+++ b/app/features/chat/revalidate-broadcast-throttle.test.ts
@@ -26,14 +26,14 @@ describe("createRevalidateBroadcastThrottle", () => {
 		vi.useRealTimers();
 	});
 
-	test("does not throttle broadcasts whose sound must not be dropped", () => {
+	test("does not throttle broadcasts marking a moment", () => {
 		const { throttle } = setup();
 
 		expect(throttle.throttles({ type: "MATCH_STARTED" })).toBe(false);
 		expect(throttle.throttles({ type: "READY_CHECK_STARTED" })).toBe(false);
 	});
 
-	test("throttles broadcasts that play no sound", () => {
+	test("throttles broadcasts of every other type", () => {
 		const { throttle } = setup();
 
 		expect(throttle.throttles({})).toBe(true);
diff --git a/app/features/chat/revalidate-broadcast-throttle.ts b/app/features/chat/revalidate-broadcast-throttle.ts
index 5334cfcdc..1054ec236 100644
--- a/app/features/chat/revalidate-broadcast-throttle.ts
+++ b/app/features/chat/revalidate-broadcast-throttle.ts
@@ -1,5 +1,9 @@
+import { UNTHROTTLED_SYSTEM_MESSAGE_TYPES } from "./chat-constants";
 import type { RevalidateScope, SystemMessageType } from "./chat-types";
-import { messageTypeToSound } from "./chat-utils";
+
+const UNTHROTTLED = new Set<SystemMessageType>(
+	UNTHROTTLED_SYSTEM_MESSAGE_TYPES,
+);
 
 interface ThrottleableMessage {
 	channel: string;
@@ -24,8 +28,8 @@ export const MAX_ENTRIES = 5_000;
  * the first is delivered immediately, the rest coalesce into one trailing broadcast at the
  * window's end whose scope is the broadest seen and which carries no author or type.
  *
- * Types that play a sound (starting match, ready check) are left alone: coalescing would cost
- * the sound, and they are rare. Soundless types are the bulk the throttle exists for.
+ * The types marking a moment (starting match, ready check) are left alone: coalescing would
+ * delay it, and they are rare. The rest are the bulk the throttle exists for.
  */
 export function createRevalidateBroadcastThrottle({
 	windowMs,
@@ -53,9 +57,9 @@ export function createRevalidateBroadcastThrottle({
 	};
 
 	return {
-		/** Whether the message is throttled; ones carrying a sound are not. */
+		/** Whether the message is throttled; the ones marking a moment are not. */
 		throttles(msg: Pick<ThrottleableMessage, "type">): boolean {
-			return !messageTypeToSound(msg.type);
+			return !msg.type || !UNTHROTTLED.has(msg.type);
 		},
 		handle(msg: ThrottleableMessage): void {
 			const now = Date.now();
diff --git a/app/features/components-showcase/routes/components.tsx b/app/features/components-showcase/routes/components.tsx
index 0da924bbb..3501d4bdb 100644
--- a/app/features/components-showcase/routes/components.tsx
+++ b/app/features/components-showcase/routes/components.tsx
@@ -59,6 +59,8 @@ import {
 	ChangelogGraphic,
 	type ChangelogGraphicEntry,
 } from "~/features/changelog/components/ChangelogGraphic";
+import { useGlobalStatus } from "~/features/global-status/GlobalStatusProvider";
+import type { GlobalStatus } from "~/features/global-status/global-status-types";
 import {
 	SeasonSummaryGraphic,
 	type SeasonSummaryGraphicActivity,
@@ -83,6 +85,12 @@ import type { CustomFieldRenderProps } from "~/form/FormField";
 import { SendouForm } from "~/form/SendouForm";
 import type { MainWeaponId, StageId } from "~/modules/in-game-lists/types";
 import type { SendouRouteHandle } from "~/utils/remix.server";
+import {
+	SENDOUQ_LOOKING_PAGE,
+	SENDOUQ_PREPARING_PAGE,
+	sendouQMatchPage,
+	tournamentPage,
+} from "~/utils/urls";
 import styles from "../components-showcase.module.css";
 import { EXAMPLE_TROPHY_MODEL } from "../example-trophy-model";
 import { formFieldsShowcaseSchema } from "../form-examples-schema";
@@ -157,6 +165,11 @@ export const SECTIONS = [
 	{ title: "Game Selects", id: "game-selects", component: GameSelectSection },
 	{ title: "Form Fields", id: "form-fields", component: FormFieldsSection },
 	{ title: "Schedule", id: "schedule", component: ScheduleSection },
+	{
+		title: "Global Status Indicator",
+		id: "global-status-indicator",
+		component: GlobalStatusIndicatorSection,
+	},
 	{ title: "Miscellaneous", id: "miscellaneous", component: MiscSection },
 ] as const;
 
@@ -3057,6 +3070,135 @@ function ScheduleSection({ id }: { id: string }) {
 	);
 }
 
+// Paddling Pool 51's logo from the dev seed; only resolves in dev
+const SEED_TOURNAMENT_LOGO_URL =
+	"http://127.0.0.1:9000/sendou/paddling-pool.png";
+
+const GLOBAL_STATUS_EXAMPLES: Array<{
+	id: string;
+	name: string;
+	status: GlobalStatus;
+}> = [
+	{
+		id: "sq-preparing",
+		name: "SendouQ: Preparing",
+		status: { state: "SQ_PREPARING", url: SENDOUQ_PREPARING_PAGE },
+	},
+	{
+		id: "sq-queued-likes-seen",
+		name: "SendouQ: In queue (likes seen)",
+		status: {
+			state: "SQ_QUEUED",
+			url: SENDOUQ_LOOKING_PAGE,
+			count: 3,
+			groupSize: { members: 2, max: 4 },
+		},
+	},
+	{
+		id: "sq-queued-new-likes",
+		name: "SendouQ: In queue (new likes)",
+		status: {
+			state: "SQ_QUEUED",
+			url: SENDOUQ_LOOKING_PAGE,
+			count: 5,
+			countNeedsAction: true,
+			groupSize: { members: 2, max: 4 },
+		},
+	},
+	{
+		id: "sq-expired",
+		name: "SendouQ: Group inactive",
+		status: { state: "SQ_EXPIRED", url: SENDOUQ_LOOKING_PAGE },
+	},
+	{
+		id: "sq-ready-check",
+		name: "SendouQ: Ready check",
+		status: { state: "SQ_READY_CHECK", url: SENDOUQ_LOOKING_PAGE },
+	},
+	{
+		id: "sq-match",
+		name: "SendouQ: In match",
+		status: { state: "SQ_MATCH", url: sendouQMatchPage(123) },
+	},
+	{
+		id: "to-checkin",
+		name: "Tournament: Check in",
+		status: {
+			state: "TO_CHECKIN",
+			url: tournamentPage(1),
+			logoUrl: SEED_TOURNAMENT_LOGO_URL,
+		},
+	},
+	{
+		id: "to-match",
+		name: "Tournament: In match",
+		status: {
+			state: "TO_MATCH",
+			url: tournamentPage(1),
+			logoUrl: SEED_TOURNAMENT_LOGO_URL,
+		},
+	},
+	{
+		id: "to-waiting-for-match",
+		name: "Tournament: Waiting for match",
+		status: {
+			state: "TO_WAITING_FOR_MATCH",
+			url: tournamentPage(1),
+			logoUrl: SEED_TOURNAMENT_LOGO_URL,
+		},
+	},
+	{
+		id: "to-waiting-for-cast",
+		name: "Tournament: Waiting for cast",
+		status: {
+			state: "TO_WAITING_FOR_CAST",
+			url: tournamentPage(1),
+			logoUrl: SEED_TOURNAMENT_LOGO_URL,
+		},
+	},
+];
+
+const GLOBAL_STATUS_SELECT_ITEMS = [
+	{ id: "none", name: "None" },
+	...GLOBAL_STATUS_EXAMPLES.map(({ id, name }) => ({ id, name })),
+];
+
+function GlobalStatusIndicatorSection({ id }: { id: string }) {
+	const { status, setStatus } = useGlobalStatus();
+
+	const selectedId =
+		GLOBAL_STATUS_EXAMPLES.find((example) => example.status === status)?.id ??
+		"none";
+
+	return (
+		<Section>
+			<SectionTitle id={id}>Global Status Indicator</SectionTitle>
+
+			<div className="stack md">
+				<ComponentRow label="Status (shown next to the search & add new buttons in the header)">
+					<SendouSelect
+						items={GLOBAL_STATUS_SELECT_ITEMS}
+						label="Status"
+						selectedKey={selectedId}
+						onSelectionChange={(key) =>
+							setStatus(
+								GLOBAL_STATUS_EXAMPLES.find((example) => example.id === key)
+									?.status ?? null,
+							)
+						}
+					>
+						{(item) => (
+							<SendouSelectItem key={item.id} id={item.id}>
+								{item.name}
+							</SendouSelectItem>
+						)}
+					</SendouSelect>
+				</ComponentRow>
+			</div>
+		</Section>
+	);
+}
+
 function MiscSection({ id }: { id: string }) {
 	const [rangeValue, setRangeValue] = useState(50);
 	const [colorValue, setColorValue] = useState("#3b82f6");
diff --git a/app/features/events/events-types.ts b/app/features/events/events-types.ts
index 59c6b0058..61bc050d3 100644
--- a/app/features/events/events-types.ts
+++ b/app/features/events/events-types.ts
@@ -1,7 +1,6 @@
 import type {
 	ChatMessageWithAuthor,
 	RevalidateScope,
-	SoundOnlySystemMessageType,
 } from "~/features/chat/chat-types";
 
 /** Prefix of each entity scoped channel, joined to the entity's id by the channel's builder. */
@@ -25,11 +24,7 @@ export function chatRoomChannel(roomId: number): string {
 
 export type ServerEvent =
 	| { kind: "chatMessage"; roomId: number; message: ChatMessageWithAuthor }
-	| {
-			kind: "revalidate";
-			scope?: RevalidateScope;
-			authorUserId?: number;
-			type?: SoundOnlySystemMessageType;
-	  }
+	| { kind: "revalidate"; scope?: RevalidateScope; authorUserId?: number }
 	| { kind: "notificationsChanged" }
-	| { kind: "roomsChanged" };
+	| { kind: "roomsChanged" }
+	| { kind: "statusChanged" };
diff --git a/app/features/friends/friends-utils.server.ts b/app/features/friends/friends-utils.server.ts
index 981833608..155d3407a 100644
--- a/app/features/friends/friends-utils.server.ts
+++ b/app/features/friends/friends-utils.server.ts
@@ -1,12 +1,7 @@
-import { groupExpiryStatus } from "~/features/sendouq/core/groups";
-import { SendouQ } from "~/features/sendouq/core/SendouQ.server";
 import { FULL_GROUP_SIZE } from "~/features/sendouq/q-constants";
 import { cachedStreams } from "~/features/sendouq-streams/core/streams.server";
-import { RunningTournaments } from "~/features/tournament-bracket/core/RunningTournaments.server";
-import type {
-	Tournament,
-	TournamentTeamMemberProgressStatus,
-} from "~/features/tournament-bracket/core/Tournament";
+import type { Tournament } from "~/features/tournament-bracket/core/Tournament";
+import * as UserActivity from "~/features/user-activity/core/UserActivity.server";
 import { twitchUrl } from "~/utils/urls";
 import {
 	type FriendActivityType,
@@ -23,21 +18,6 @@ export interface FriendActivity {
 	streamUrl: string | null;
 }
 
-const TOURNAMENT_STATUS_IS_IN_PROGRESS: Record<
-	TournamentTeamMemberProgressStatus["type"],
-	boolean
-> = {
-	MATCH: true,
-	WAITING_FOR_MATCH: true,
-	WAITING_FOR_CAST: true,
-	WAITING_FOR_ROUND: true,
-	WAITING_FOR_GROUPS: true,
-	// to counter 2 day tournaments showing as in progress in between
-	WAITING_FOR_BRACKET: false,
-	CHECKIN: false,
-	THANKS_FOR_PLAYING: false,
-};
-
 /** Twitch account streaming each ongoing SendouQ match, keyed by match id. Resolved once per request, activity being resolved per friend. */
 export async function resolveSendouQMatchStreams() {
 	const streams = await cachedStreams();
@@ -68,7 +48,8 @@ export function resolveFriendActivity({
 	tournamentMinTeamSize: number | null;
 	sendouQMatchStreams: ReadonlyMap<number, string>;
 }): FriendActivity {
-	const ownGroup = SendouQ.findOwnGroup(friendId);
+	const activity = UserActivity.resolve(friendId);
+	const ownGroup = activity.sendouq?.group;
 
 	if (ownGroup?.matchId) {
 		const twitchAccount = sendouQMatchStreams.get(ownGroup.matchId);
@@ -83,13 +64,13 @@ export function resolveFriendActivity({
 		};
 	}
 
-	const tournamentActivity = resolveTournamentActivity(friendId);
+	const tournamentActivity = resolveTournamentActivity(activity, friendId);
 	if (tournamentActivity) return tournamentActivity;
 
 	if (
 		ownGroup &&
 		ownGroup.members.length < FULL_GROUP_SIZE &&
-		groupExpiryStatus(ownGroup.latestActionAt) !== "EXPIRED"
+		!activity.sendouq?.expired
 	) {
 		return {
 			type: "SENDOUQ",
@@ -122,10 +103,17 @@ export function resolveFriendActivity({
 	};
 }
 
-function resolveTournamentActivity(friendId: number): FriendActivity | null {
-	for (const tournament of RunningTournaments.all) {
-		const status = tournament.teamMemberOfProgressStatus({ id: friendId });
-		if (!status || !TOURNAMENT_STATUS_IS_IN_PROGRESS[status.type]) continue;
+function resolveTournamentActivity(
+	activity: UserActivity.UserActivity,
+	friendId: number,
+): FriendActivity | null {
+	for (const { tournament, status } of activity.tournaments) {
+		if (
+			status.type === "CHECKIN" ||
+			!UserActivity.TOURNAMENT_STATUS_IS_IN_PROGRESS[status.type]
+		) {
+			continue;
+		}
 
 		const isInMatch = status.type === "MATCH";
 
diff --git a/app/features/global-status/GlobalStatusProvider.tsx b/app/features/global-status/GlobalStatusProvider.tsx
new file mode 100644
index 000000000..4cf1b3bed
--- /dev/null
+++ b/app/features/global-status/GlobalStatusProvider.tsx
@@ -0,0 +1,110 @@
+import * as React from "react";
+import {
+	useEventStreamCatchUp,
+	useServerEventListener,
+} from "~/features/events/events-hooks";
+import { useLayoutData } from "~/features/layout/LayoutDataProvider";
+import { useBackgroundResource } from "~/hooks/useBackgroundResource";
+import type { SerializeFrom } from "~/utils/remix";
+import { STATUS_DATA_ROUTE } from "~/utils/urls";
+import { useHasSqGroupExpired } from "./global-status-expiry";
+import { useHasUnseenSqLikes } from "./global-status-likes-seen";
+import { useGlobalStatusSounds } from "./global-status-sounds";
+import type { GlobalStatus } from "./global-status-types";
+import type { loader } from "./routes/api.status";
+
+interface GlobalStatusContextValue {
+	status: GlobalStatus | null;
+	setStatus: (status: GlobalStatus | null) => void;
+}
+
+const GlobalStatusContext = React.createContext<GlobalStatusContextValue>({
+	status: null,
+	setStatus: () => {},
+});
+
+/**
+ * Serves the user's current SendouQ/tournament status shown in the app header
+ * and keeps it fresh push-first: the layout data seeds the first paint, then a
+ * refetch of the status's own resource route whenever the server publishes
+ * over the shared SSE connection that the user's status changed. The refetch
+ * happens without jitter: a bracket-wide event (bracket start, swiss round
+ * advance, check-in opening) reaches every participant at once, but the status
+ * resolves mostly from in-memory activity so the burst is cheap, and those are
+ * the moments the header is the call to action.
+ */
+export function GlobalStatusProvider({
+	user,
+	children,
+}: {
+	user?: { id: number } | null;
+	children: React.ReactNode;
+}) {
+	const [override, setOverride] = React.useState<
+		GlobalStatus | null | undefined
+	>(undefined);
+	const { globalStatus: layoutStatus } = useLayoutData();
+	const { data, refresh } =
+		useBackgroundResource<SerializeFrom<typeof loader>>(STATUS_DATA_ROUTE);
+
+	const loggedIn = Boolean(user);
+
+	useEventStreamCatchUp({
+		enabled: loggedIn,
+		onCatchUp: refresh,
+	});
+
+	// the event carries no data on purpose: it only says that the user's
+	// status changed server-side
+	useServerEventListener((event) => {
+		if (event.kind === "statusChanged") {
+			refresh();
+		}
+	});
+
+	// the layout data covers the first paint; once the dedicated route has
+	// answered it is the fresher source and always wins
+	const serverStatus =
+		data !== undefined ? data.globalStatus : (layoutStatus ?? null);
+	const resolvedStatus = loggedIn ? serverStatus : null;
+	const hasUnseenLikes = useHasUnseenSqLikes(resolvedStatus);
+	const hasExpired = useHasSqGroupExpired(resolvedStatus);
+	// the server-resolved status on purpose: the showcase's override is not a moment to announce
+	useGlobalStatusSounds(resolvedStatus);
+
+	const status =
+		override !== undefined
+			? override
+			: resolvedStatus
+				? withClientState(resolvedStatus, { hasUnseenLikes, hasExpired })
+				: null;
+
+	return (
+		<GlobalStatusContext.Provider value={{ status, setStatus: setOverride }}>
+			{children}
+		</GlobalStatusContext.Provider>
+	);
+}
+
+/**
+ * The user's current SendouQ/tournament status shown in the app header.
+ * `setStatus` overrides the server-resolved status; used by the components
+ * showcase.
+ */
+export function useGlobalStatus() {
+	return React.useContext(GlobalStatusContext);
+}
+
+/** Folds in what only the browser knows: the likes seen on this device and the group's expiry passing. */
+function withClientState(
+	status: GlobalStatus,
+	{
+		hasUnseenLikes,
+		hasExpired,
+	}: { hasUnseenLikes: boolean; hasExpired: boolean },
+): GlobalStatus {
+	// an expired group has nothing to fill or to like anymore, only to refresh
+	if (hasExpired) return { state: "SQ_EXPIRED", url: status.url };
+
+	return { ...status, countNeedsAction: hasUnseenLikes };
+}
diff --git a/app/features/global-status/components/GlobalStatusIndicator.module.css b/app/features/global-status/components/GlobalStatusIndicator.module.css
new file mode 100644
index 000000000..e21c64b70
--- /dev/null
+++ b/app/features/global-status/components/GlobalStatusIndicator.module.css
@@ -0,0 +1,64 @@
+.status {
+	display: flex;
+	align-items: center;
+	min-width: 0;
+	gap: var(--s-1-5);
+	height: var(--field-size-sm);
+	padding: 0 var(--s-3);
+	border-radius: var(--radius-field);
+	background-color: var(--color-bg-higher);
+	color: var(--color-text);
+	font-size: var(--font-xs);
+	font-weight: var(--weight-semi);
+	white-space: nowrap;
+
+	&:hover {
+		background-color: var(--color-bg-high);
+	}
+}
+
+.iconContainer {
+	display: flex;
+	flex-shrink: 0;
+}
+
+.text {
+	min-width: 0;
+	overflow: hidden;
+	text-overflow: ellipsis;
+
+	@container (width < 660px) {
+		display: none;
+	}
+}
+
+.logo {
+	width: 20px;
+	height: 20px;
+	border-radius: var(--radius-avatar);
+	object-fit: cover;
+	flex-shrink: 0;
+}
+
+.countBadge {
+	display: grid;
+	place-items: center;
+	flex-shrink: 0;
+	min-width: 18px;
+	height: 18px;
+	padding: 0 var(--s-1);
+	border-radius: var(--radius-full);
+	background-color: var(--color-bg);
+	color: var(--color-text-high);
+	font-size: var(--font-2xs);
+	font-weight: var(--weight-bold);
+}
+
+.countBadgeAction {
+	background-color: var(--color-text-accent);
+	color: var(--color-text-inverse);
+}
+
+.alertBadge {
+	color: var(--color-warning);
+}
diff --git a/app/features/global-status/components/GlobalStatusIndicator.tsx b/app/features/global-status/components/GlobalStatusIndicator.tsx
new file mode 100644
index 000000000..bb073b494
--- /dev/null
+++ b/app/features/global-status/components/GlobalStatusIndicator.tsx
@@ -0,0 +1,63 @@
+import clsx from "clsx";
+import { useTranslation } from "react-i18next";
+import { Link } from "react-router";
+import { Image } from "~/components/Image";
+import { navIconUrl } from "~/utils/urls";
+import { useGlobalStatus } from "../GlobalStatusProvider";
+import type { GlobalStatusState } from "../global-status-types";
+import styles from "./GlobalStatusIndicator.module.css";
+
+const STATE_NAV_ICON: Record<GlobalStatusState, string> = {
+	SQ_PREPARING: "sendouq",
+	SQ_QUEUED: "sendouq",
+	SQ_EXPIRED: "sendouq",
+	SQ_READY_CHECK: "sendouq",
+	SQ_MATCH: "sendouq",
+	TO_CHECKIN: "medal",
+	TO_MATCH: "medal",
+	TO_WAITING_FOR_MATCH: "medal",
+	TO_WAITING_FOR_CAST: "medal",
+};
+
+const ALERT_BADGE_STATES: GlobalStatusState[] = ["SQ_EXPIRED", "TO_CHECKIN"];
+
+export function GlobalStatusIndicator() {
+	const { status } = useGlobalStatus();
+	const { t } = useTranslation(["common"]);
+
+	if (!status) return null;
+
+	const text = `${t(`common:globalStatus.${status.state}`)}${
+		status.groupSize
+			? ` (${status.groupSize.members}/${status.groupSize.max})`
+			: ""
+	}`;
+
+	return (
+		<Link to={status.url} className={styles.status} aria-label={text}>
+			{status.logoUrl ? (
+				<img src={status.logoUrl} alt="" className={styles.logo} />
+			) : (
+				<Image
+					path={navIconUrl(STATE_NAV_ICON[status.state])}
+					size={20}
+					alt=""
+					containerClassName={styles.iconContainer}
+				/>
+			)}
+			<span className={styles.text}>{text}</span>
+			{ALERT_BADGE_STATES.includes(status.state) ? (
+				<span className={clsx(styles.countBadge, styles.alertBadge)}>!</span>
+			) : status.count ? (
+				<span
+					className={clsx(
+						styles.countBadge,
+						status.countNeedsAction ? styles.countBadgeAction : null,
+					)}
+				>
+					{status.count}
+				</span>
+			) : null}
+		</Link>
+	);
+}
diff --git a/app/features/global-status/core/global-status.server.test.ts b/app/features/global-status/core/global-status.server.test.ts
new file mode 100644
index 000000000..71680db15
--- /dev/null
+++ b/app/features/global-status/core/global-status.server.test.ts
@@ -0,0 +1,322 @@
+import { addHours, addMinutes, subHours } from "date-fns";
+import { beforeEach, describe, expect, test, vi } from "vitest";
+import { backdate } from "~/db/seed/core/backdate";
+import * as SQGroupFactory from "~/db/seed/factories/SQGroupFactory";
+import * as SQMatchFactory from "~/db/seed/factories/SQMatchFactory";
+import * as SQReadyCheckFactory from "~/db/seed/factories/SQReadyCheckFactory";
+import * as TournamentFactory from "~/db/seed/factories/TournamentFactory";
+import * as TournamentTeamFactory from "~/db/seed/factories/TournamentTeamFactory";
+import * as UserFactory from "~/db/seed/factories/UserFactory";
+import { refreshSendouQInstance } from "~/features/sendouq/core/SendouQ.server";
+import * as PendingCheckIns from "~/features/tournament/core/PendingCheckIns.server";
+import { RunningTournaments } from "~/features/tournament-bracket/core/RunningTournaments.server";
+import {
+	runningTournamentWithMatch,
+	testTournament,
+	tournamentCtxTeam,
+} from "~/features/tournament-bracket/core/tests/test-utils";
+import { dateToDatabaseTimestamp } from "~/utils/dates";
+import {
+	SENDOUQ_LOOKING_PAGE,
+	SENDOUQ_PREPARING_PAGE,
+	SENDOUQ_READY_PAGE,
+	sendouQMatchPage,
+	tournamentRegisterPage,
+} from "~/utils/urls";
+import { resolveGlobalStatus } from "./global-status.server";
+
+const { mockSeasonCurrentOrPrevious } = vi.hoisted(() => ({
+	mockSeasonCurrentOrPrevious: vi.fn(() => ({
+		nth: 1,
+		starts: new Date("2023-01-01"),
+		ends: new Date("2030-12-31"),
+	})),
+}));
+
+vi.mock("~/features/mmr/core/Seasons", () => ({
+	currentOrPrevious: mockSeasonCurrentOrPrevious,
+}));
+
+/** Users are interchangeable here, so tests name them by 1-based position. */
+const users = UserFactory.pool();
+
+const userIds = (positions: number[]) =>
+	positions.map((position) => users.id(position));
+
+const runningTournamentWithOpenCheckIn = ({
+	tournamentId,
+	teamUserIds,
+}: {
+	tournamentId: number;
+	teamUserIds: number[];
+}) =>
+	testTournament({
+		ctx: {
+			id: tournamentId,
+			startsAt: dateToDatabaseTimestamp(new Date(Date.now() + 30 * 60 * 1000)),
+			teams: [
+				tournamentCtxTeam(1, { memberUserIds: teamUserIds, checkIns: [] }),
+			],
+		},
+	});
+
+describe("resolveGlobalStatus", () => {
+	beforeEach(async () => {
+		await users.create(8);
+		RunningTournaments.clear();
+		PendingCheckIns.clearCache();
+		await refreshSendouQInstance();
+	});
+
+	/** A tournament inside its check-in window, with the users' team registered. */
+	const tournamentWithCheckInOpen = async ({
+		isCheckedIn,
+	}: {
+		isCheckedIn?: boolean;
+	} = {}) => {
+		const { id: tournamentId } = await TournamentFactory.create({
+			authorId: users.id(8),
+			startTimes: [dateToDatabaseTimestamp(addMinutes(new Date(), 30))],
+		});
+		await TournamentTeamFactory.create(
+			{ tournamentId, memberUserIds: userIds([1, 2, 3, 4]) },
+			{ isCheckedIn },
+		);
+
+		return tournamentId;
+	};
+
+	test("returns null for a user with nothing ongoing", async () => {
+		expect(await resolveGlobalStatus(users.id(1))).toBeNull();
+	});
+
+	test("resolves a preparing group", async () => {
+		await SQGroupFactory.create({
+			status: "PREPARING",
+			memberUserIds: userIds([1, 2]),
+		});
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(1))).toEqual({
+			state: "SQ_PREPARING",
+			url: SENDOUQ_PREPARING_PAGE,
+			groupSize: { members: 2, max: 4 },
+		});
+	});
+
+	test("resolves a queued group with its likes received", async () => {
+		const likerGroup = await SQGroupFactory.create({
+			memberUserIds: userIds([5]),
+		});
+		const group = await SQGroupFactory.create(
+			{ memberUserIds: userIds([1, 2]) },
+			{ likedByGroupIds: [likerGroup.id] },
+		);
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(1))).toEqual({
+			state: "SQ_QUEUED",
+			url: SENDOUQ_LOOKING_PAGE,
+			groupSize: { members: 2, max: 4 },
+			count: 1,
+			groupId: group.id,
+			expiresAt: expect.any(Number),
+		});
+	});
+
+	test("resolves a group inactive for too long as expired", async () => {
+		const group = await SQGroupFactory.create({
+			memberUserIds: userIds([1, 2]),
+		});
+		await backdate("Group", group.id, {
+			latestActionAt: subHours(new Date(), 2),
+		});
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(1))).toEqual({
+			state: "SQ_EXPIRED",
+			url: SENDOUQ_LOOKING_PAGE,
+		});
+	});
+
+	test("resolves a ready check", async () => {
+		const alphaGroup = await SQGroupFactory.create({
+			memberUserIds: userIds([1, 2, 3, 4]),
+		});
+		const bravoGroup = await SQGroupFactory.create({
+			memberUserIds: userIds([5, 6, 7, 8]),
+		});
+		await SQReadyCheckFactory.create({
+			alphaGroupId: alphaGroup.id,
+			bravoGroupId: bravoGroup.id,
+			confirmedByUserId: users.id(1),
+		});
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(5))).toEqual({
+			state: "SQ_READY_CHECK",
+			url: SENDOUQ_READY_PAGE,
+		});
+	});
+
+	test("resolves an ongoing match", async () => {
+		const match = await SQMatchFactory.create({
+			alphaUserIds: userIds([1, 2, 3, 4]),
+			bravoUserIds: userIds([5, 6, 7, 8]),
+		});
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(1))).toEqual({
+			state: "SQ_MATCH",
+			url: sendouQMatchPage(match.id),
+		});
+	});
+
+	test("resolves a reported match still awaiting the confirmation", async () => {
+		const match = await SQMatchFactory.create(
+			{
+				alphaUserIds: userIds([1, 2, 3, 4]),
+				bravoUserIds: userIds([5, 6, 7, 8]),
+			},
+			{ isReported: true },
+		);
+		await refreshSendouQInstance();
+
+		expect(await resolveGlobalStatus(users.id(5))).toEqual({
+			state: "SQ_MATCH",
+			url: sendouQMatchPage(match.id),
+		});
+	});
+
+	test("resolves a tournament the user has yet to check in to", async () => {
+		const tournamentId = await tournamentWithCheckInOpen();
+
+		expect(await resolveGlobalStatus(users.id(1))).toEqual({
+			state: "TO_CHECKIN",
+			url: tournamentRegisterPage(tournamentId),
+			logoUrl: expect.any(String),
+		});
+	});
+
+	test("resolves nothing once the team has checked in", async () => {
+		await tournamentWithCheckInOpen({ isCheckedIn: true });
+
+		expect(await resolveGlobalStatus(users.id(1))).toBeNull();
+	});
+
+	test("resolves nothing while check-in has yet to open", async () => {
+		const { id: tournamentId } = await TournamentFactory.create({
+			authorId: users.id(8),
+			startTimes: [dateToDatabaseTimestamp(addHours(new Date(), 5))],
+		});
+		await TournamentTeamFactory.create({
+			tournamentId,
+			memberUserIds: userIds([1, 2, 3, 4]),
+		});
+
+		expect(await resolveGlobalStatus(users.id(1))).toBeNull();
+	});
+
+	test("an ongoing tournament match beats a check-in of another tournament", async () => {
+		await tournamentWithCheckInOpen();
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 100,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+			}),
+		);
+
+		expect((await resolveGlobalStatus(users.id(1)))?.state).toBe("TO_MATCH");
+	});
+
+	test("SendouQ status beats a tournament status", async () => {
+		await SQGroupFactory.create({ memberUserIds: userIds([1]) });
+		await refreshSendouQInstance();
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+			}),
+		);
+
+		expect((await resolveGlobalStatus(users.id(1)))?.state).toBe("SQ_QUEUED");
+	});
+
+	test("resolves an ongoing tournament match with the tournament's logo", async () => {
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+			}),
+		);
+
+		const status = await resolveGlobalStatus(users.id(1));
+
+		expect(status?.state).toBe("TO_MATCH");
+		expect(status?.url).toMatch(/^\/to\/1\/matches\/\d+$/);
+		expect(status?.logoUrl).toBe("/test.avif");
+	});
+
+	test("resolves a match locked for cast as waiting for it", async () => {
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+				lockFirstMatchForCast: true,
+			}),
+		);
+
+		expect((await resolveGlobalStatus(users.id(1)))?.state).toBe(
+			"TO_WAITING_FOR_CAST",
+		);
+	});
+
+	test("resolves an open regular check-in", async () => {
+		RunningTournaments.add(
+			runningTournamentWithOpenCheckIn({
+				tournamentId: 1,
+				teamUserIds: userIds([1]),
+			}),
+		);
+
+		const status = await resolveGlobalStatus(users.id(1));
+
+		expect(status?.state).toBe("TO_CHECKIN");
+		expect(status?.url).toBe(tournamentRegisterPage(1));
+	});
+
+	test("ignores leagues", async () => {
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+				isLeague: true,
+			}),
+		);
+
+		expect(await resolveGlobalStatus(users.id(1))).toBeNull();
+	});
+
+	test("the most urgent status of many running tournaments wins", async () => {
+		RunningTournaments.add(
+			runningTournamentWithOpenCheckIn({
+				tournamentId: 1,
+				teamUserIds: userIds([1]),
+			}),
+		);
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 2,
+				teamOneUserIds: userIds([1]),
+				teamTwoUserIds: userIds([2]),
+			}),
+		);
+
+		expect((await resolveGlobalStatus(users.id(1)))?.state).toBe("TO_MATCH");
+	});
+});
diff --git a/app/features/global-status/core/global-status.server.ts b/app/features/global-status/core/global-status.server.ts
new file mode 100644
index 000000000..192003394
--- /dev/null
+++ b/app/features/global-status/core/global-status.server.ts
@@ -0,0 +1,157 @@
+import * as R from "remeda";
+import { groupExpiresAt } from "~/features/sendouq/core/groups";
+import { FULL_GROUP_SIZE } from "~/features/sendouq/q-constants";
+import * as SQMatchRepository from "~/features/sendouq-match/SQMatchRepository.server";
+import * as PendingCheckIns from "~/features/tournament/core/PendingCheckIns.server";
+import type { TournamentTeamMemberProgressStatus } from "~/features/tournament-bracket/core/Tournament";
+import { tournamentBracketsPage } from "~/features/tournament-bracket/tournament-bracket-urls";
+import * as UserActivity from "~/features/user-activity/core/UserActivity.server";
+import {
+	SENDOUQ_LOOKING_PAGE,
+	SENDOUQ_PREPARING_PAGE,
+	SENDOUQ_READY_PAGE,
+	sendouQMatchPage,
+	tournamentMatchPage,
+	tournamentRegisterPage,
+} from "~/utils/urls";
+import type { GlobalStatus } from "../global-status-types";
+
+const TOURNAMENT_STATUS_URGENCY: Record<
+	TournamentTeamMemberProgressStatus["type"],
+	number
+> = {
+	MATCH: 0,
+	CHECKIN: 1,
+	WAITING_FOR_MATCH: 2,
+	WAITING_FOR_CAST: 2,
+	WAITING_FOR_ROUND: 2,
+	WAITING_FOR_GROUPS: 2,
+	WAITING_FOR_BRACKET: 3,
+	THANKS_FOR_PLAYING: 3,
+};
+
+/**
+ * Resolves the status shown in the app header, or null when the user has
+ * nothing ongoing. SendouQ states always beat tournament states; leagues are
+ * excluded. A tournament the user has yet to check in to comes last: it is the
+ * only one resolved outside the in-memory activity, as a tournament that has
+ * not started is not running.
+ */
+export async function resolveGlobalStatus(
+	userId: number,
+): Promise<GlobalStatus | null> {
+	const activity = UserActivity.resolve(userId);
+
+	return (
+		(await resolveSendouQStatus(activity)) ??
+		resolveTournamentStatus(activity) ??
+		(await resolvePendingCheckInStatus(userId))
+	);
+}
+
+async function resolvePendingCheckInStatus(
+	userId: number,
+): Promise<GlobalStatus | null> {
+	const pendingCheckIn = await PendingCheckIns.byUserId(userId);
+	if (!pendingCheckIn) return null;
+
+	return {
+		state: "TO_CHECKIN",
+		url: tournamentRegisterPage(pendingCheckIn.tournamentId),
+		logoUrl: pendingCheckIn.logoUrl,
+	};
+}
+
+async function resolveSendouQStatus(
+	activity: UserActivity.UserActivity,
+): Promise<GlobalStatus | null> {
+	if (!activity.sendouq) return null;
+
+	const { group, likesReceivedCount, expired } = activity.sendouq;
+	const groupSize = { members: group.members.length, max: FULL_GROUP_SIZE };
+
+	if (group.status === "PREPARING") {
+		return { state: "SQ_PREPARING", url: SENDOUQ_PREPARING_PAGE, groupSize };
+	}
+
+	if (group.matchId) {
+		return resolveSendouQMatchStatus(group.matchId);
+	}
+
+	if (group.status === "READY_CHECK") {
+		return { state: "SQ_READY_CHECK", url: SENDOUQ_READY_PAGE };
+	}
+
+	if (expired) {
+		return { state: "SQ_EXPIRED", url: SENDOUQ_LOOKING_PAGE };
+	}
+
+	return {
+		state: "SQ_QUEUED",
+		url: SENDOUQ_LOOKING_PAGE,
+		groupSize,
+		count: likesReceivedCount,
+		groupId: group.id,
+		expiresAt: groupExpiresAt(group.latestActionAt).getTime(),
+	};
+}
+
+async function resolveSendouQMatchStatus(
+	matchId: number,
+): Promise<GlobalStatus | null> {
+	const match = await SQMatchRepository.findLiveStateById(matchId);
+	if (!match || match.isLocked || match.isCanceled) return null;
+
+	return { state: "SQ_MATCH", url: sendouQMatchPage(matchId) };
+}
+
+function resolveTournamentStatus(
+	activity: UserActivity.UserActivity,
+): GlobalStatus | null {
+	const relevant = activity.tournaments.filter(
+		(entry) => UserActivity.TOURNAMENT_STATUS_IS_IN_PROGRESS[entry.status.type],
+	);
+
+	const mostUrgent = R.firstBy(
+		relevant,
+		(entry) => TOURNAMENT_STATUS_URGENCY[entry.status.type],
+	);
+	if (!mostUrgent) return null;
+
+	const { tournament, status } = mostUrgent;
+	const tournamentId = tournament.ctx.id;
+	const logoUrl = tournament.ctx.logoUrl ?? undefined;
+
+	switch (status.type) {
+		case "MATCH":
+			return {
+				state: "TO_MATCH",
+				url: tournamentMatchPage({ tournamentId, matchId: status.matchId }),
+				logoUrl,
+			};
+		case "CHECKIN":
+			return {
+				state: "TO_CHECKIN",
+				url:
+					"bracketIdx" in status
+						? tournamentBracketsPage({
+								tournamentId,
+								bracketIdx: status.bracketIdx,
+							})
+						: tournamentRegisterPage(tournamentId),
+				logoUrl,
+			};
+		case "WAITING_FOR_CAST":
+			return {
+				state: "TO_WAITING_FOR_CAST",
+				url: tournamentBracketsPage({ tournamentId }),
+				logoUrl,
+			};
+		default:
+			return {
+				state: "TO_WAITING_FOR_MATCH",
+				url: tournamentBracketsPage({ tournamentId }),
+				logoUrl,
+			};
+	}
+}
diff --git a/app/features/global-status/global-status-expiry.browser.test.tsx b/app/features/global-status/global-status-expiry.browser.test.tsx
new file mode 100644
index 000000000..26591616f
--- /dev/null
+++ b/app/features/global-status/global-status-expiry.browser.test.tsx
@@ -0,0 +1,77 @@
+import { afterEach, beforeEach, describe, expect, test, vi } from "vitest";
+import { render } from "vitest-browser-react";
+import { SENDOUQ_LOOKING_PAGE } from "~/utils/urls";
+import { useHasSqGroupExpired } from "./global-status-expiry";
+import type { GlobalStatus } from "./global-status-types";
+
+const THIRTY_MINUTES_MS = 30 * 60 * 1000;
+
+function Expiry({ status }: { status: GlobalStatus }) {
+	const hasExpired = useHasSqGroupExpired(status);
+
+	return <div data-testid="expiry">{hasExpired ? "expired" : "queued"}</div>;
+}
+
+const expiryStatus = (screen: Awaited<ReturnType<typeof render>>) =>
+	screen.getByTestId("expiry").element().textContent;
+
+const queuedStatus = (expiresInMs: number): GlobalStatus => ({
+	state: "SQ_QUEUED",
+	url: SENDOUQ_LOOKING_PAGE,
+	expiresAt: Date.now() + expiresInMs,
+});
+
+/** Runs the fake clock forward and lets React paint: renders go through a MessageChannel fake timers don't control, so a message of our own posted after signals the render happened. */
+const advanceTimers = async (ms: number) => {
+	await vi.advanceTimersByTimeAsync(ms);
+
+	return new Promise<void>((resolve) => {
+		const channel = new MessageChannel();
+		channel.port1.onmessage = () => resolve();
+		channel.port2.postMessage(null);
+	});
+};
+
+describe("useHasSqGroupExpired", () => {
+	beforeEach(() => {
+		vi.useFakeTimers();
+	});
+
+	afterEach(() => {
+		vi.useRealTimers();
+	});
+
+	test("stays unexpired while the expiry is still ahead", async () => {
+		const screen = await render(
+			<Expiry status={queuedStatus(THIRTY_MINUTES_MS)} />,
+		);
+		await advanceTimers(THIRTY_MINUTES_MS - 1000);
+
+		expect(expiryStatus(screen)).toBe("queued");
+	});
+
+	test("expires once the expiry passes", async () => {
+		const screen = await render(
+			<Expiry status={queuedStatus(THIRTY_MINUTES_MS)} />,
+		);
+		await advanceTimers(THIRTY_MINUTES_MS);
+
+		expect(expiryStatus(screen)).toBe("expired");
+	});
+
+	test("expires right away for an expiry already in the past", async () => {
+		const screen = await render(<Expiry status={queuedStatus(-1000)} />);
+		await advanceTimers(0);
+
+		expect(expiryStatus(screen)).toBe("expired");
+	});
+
+	test("never expires a status that is not queued", async () => {
+		const screen = await render(
+			<Expiry status={{ state: "SQ_MATCH", url: SENDOUQ_LOOKING_PAGE }} />,
+		);
+		await advanceTimers(THIRTY_MINUTES_MS);
+
+		expect(expiryStatus(screen)).toBe("queued");
+	});
+});
diff --git a/app/features/global-status/global-status-expiry.ts b/app/features/global-status/global-status-expiry.ts
new file mode 100644
index 000000000..8c3538557
--- /dev/null
+++ b/app/features/global-status/global-status-expiry.ts
@@ -0,0 +1,31 @@
+import * as React from "react";
+import type { GlobalStatus } from "./global-status-types";
+
+/**
+ * Whether a queued group has gone inactive since the server resolved the
+ * status. Expiry is exactly what happens to a user who sits still, leaving no
+ * navigation or event to refresh the status by, so the browser times it out.
+ */
+export function useHasSqGroupExpired(status: GlobalStatus | null): boolean {
+	const expiresAt =
+		status?.state === "SQ_QUEUED" ? status.expiresAt : undefined;
+
+	const [hasExpired, setHasExpired] = React.useState(false);
+
+	React.useEffect(() => {
+		if (expiresAt === undefined) return;
+
+		const msLeft = expiresAt - Date.now();
+		if (msLeft <= 0) {
+			setHasExpired(true);
+			return;
+		}
+
+		setHasExpired(false);
+		const timeout = setTimeout(() => setHasExpired(true), msLeft);
+
+		return () => clearTimeout(timeout);
+	}, [expiresAt]);
+
+	return expiresAt !== undefined && hasExpired;
+}
diff --git a/app/features/global-status/global-status-likes-seen.browser.test.tsx b/app/features/global-status/global-status-likes-seen.browser.test.tsx
new file mode 100644
index 000000000..c322c7706
--- /dev/null
+++ b/app/features/global-status/global-status-likes-seen.browser.test.tsx
@@ -0,0 +1,120 @@
+import { afterEach, describe, expect, test } from "vitest";
+import { render } from "vitest-browser-react";
+import { SENDOUQ_LOOKING_PAGE } from "~/utils/urls";
+import {
+	useHasUnseenSqLikes,
+	useMarkSqLikesSeen,
+} from "./global-status-likes-seen";
+import type { GlobalStatus } from "./global-status-types";
+
+const SEEN_SQ_LIKES_KEY = "seen-sq-likes";
+const GROUP_ID = 1;
+
+function UnseenLikes({ status }: { status: GlobalStatus | null }) {
+	const hasUnseen = useHasUnseenSqLikes(status);
+
+	return <div data-testid="unseen">{hasUnseen ? "unseen" : "seen"}</div>;
+}
+
+function MarkSeen({
+	groupId,
+	receivedLikesCount,
+}: {
+	groupId: number | undefined;
+	receivedLikesCount: number;
+}) {
+	useMarkSqLikesSeen(groupId, receivedLikesCount);
+
+	return null;
+}
+
+const unseenStatus = (screen: Awaited<ReturnType<typeof render>>) =>
+	screen.getByTestId("unseen").element().textContent;
+
+const queuedStatus = (count: number | undefined): GlobalStatus => ({
+	state: "SQ_QUEUED",
+	url: SENDOUQ_LOOKING_PAGE,
+	expiresAt: Date.now() + 30 * 60 * 1000,
+	groupId: GROUP_ID,
+	count,
+});
+
+const seedSeen = (seen: { groupId: number; seenCount: number }) =>
+	window.localStorage.setItem(SEEN_SQ_LIKES_KEY, JSON.stringify(seen));
+
+afterEach(() => {
+	window.localStorage.clear();
+});
+
+describe("useHasUnseenSqLikes", () => {
+	test("highlights likes with nothing seen yet", async () => {
+		const screen = await render(<UnseenLikes status={queuedStatus(1)} />);
+
+		expect(unseenStatus(screen)).toBe("unseen");
+	});
+
+	test("highlights likes seen on another group", async () => {
+		seedSeen({ groupId: GROUP_ID + 1, seenCount: 5 });
+		const screen = await render(<UnseenLikes status={queuedStatus(1)} />);
+
+		expect(unseenStatus(screen)).toBe("unseen");
+	});
+
+	test.each([
+		{ why: "more likes than seen", seenCount: 1, expected: "unseen" },
+		{ why: "as many likes as seen", seenCount: 2, expected: "seen" },
+		{ why: "fewer likes than seen", seenCount: 3, expected: "seen" },
+	])("$why → $expected", async ({ seenCount, expected }) => {
+		seedSeen({ groupId: GROUP_ID, seenCount });
+		const screen = await render(<UnseenLikes status={queuedStatus(2)} />);
+
+		expect(unseenStatus(screen)).toBe(expected);
+	});
+
+	test("never highlights without a status", async () => {
+		const screen = await render(<UnseenLikes status={null} />);
+
+		expect(unseenStatus(screen)).toBe("seen");
+	});
+
+	test("never highlights a status that is not queued", async () => {
+		const screen = await render(
+			<UnseenLikes status={{ state: "SQ_MATCH", url: SENDOUQ_LOOKING_PAGE }} />,
+		);
+
+		expect(unseenStatus(screen)).toBe("seen");
+	});
+
+	test("never highlights a queued status without likes", async () => {
+		const screen = await render(<UnseenLikes status={queuedStatus(0)} />);
+
+		expect(unseenStatus(screen)).toBe("seen");
+	});
+});
+
+describe("useMarkSqLikesSeen", () => {
+	test("persists the group's received likes as seen", async () => {
+		await render(<MarkSeen groupId={GROUP_ID} receivedLikesCount={3} />);
+
+		expect(window.localStorage.getItem(SEEN_SQ_LIKES_KEY)).toBe(
+			JSON.stringify({ groupId: GROUP_ID, seenCount: 3 }),
+		);
+	});
+
+	test("persists nothing without a group", async () => {
+		await render(<MarkSeen groupId={undefined} receivedLikesCount={3} />);
+
+		expect(window.localStorage.getItem(SEEN_SQ_LIKES_KEY)).toBeNull();
+	});
+
+	test("clears the highlight for the likes it marks seen", async () => {
+		const screen = await render(
+			<>
+				<MarkSeen groupId={GROUP_ID} receivedLikesCount={2} />
+				<UnseenLikes status={queuedStatus(2)} />
+			</>,
+		);
+
+		expect(unseenStatus(screen)).toBe("seen");
+	});
+});
diff --git a/app/features/global-status/global-status-likes-seen.ts b/app/features/global-status/global-status-likes-seen.ts
new file mode 100644
index 000000000..a3ced71d3
--- /dev/null
+++ b/app/features/global-status/global-status-likes-seen.ts
@@ -0,0 +1,50 @@
+import * as React from "react";
+import * as v from "valibot";
+import { usePersistedState } from "~/modules/persisted-state/hooks";
+import * as PersistedState from "~/modules/persisted-state/persisted-state";
+import type { GlobalStatus } from "./global-status-types";
+
+const seenSqLikesPersisted = PersistedState.define({
+	key: "seen-sq-likes",
+	storage: "local",
+	schema: v.nullable(v.object({ groupId: v.number(), seenCount: v.number() })),
+	default: null,
+});
+
+/**
+ * Whether the queued status carries likes the user has not seen on this device
+ * yet, highlighting the header's count badge. Likes count as seen once the
+ * /q/looking page — where they are shown — has been viewed with them present.
+ */
+export function useHasUnseenSqLikes(status: GlobalStatus | null): boolean {
+	const [seen] = usePersistedState(seenSqLikesPersisted);
+
+	if (
+		status?.state !== "SQ_QUEUED" ||
+		!status.count ||
+		typeof status.groupId !== "number"
+	) {
+		return false;
+	}
+	if (!seen || seen.groupId !== status.groupId) return true;
+
+	return status.count > seen.seenCount;
+}
+
+/**
+ * Records the group's currently received likes as seen while the user is on
+ * the page showing them, clearing the header badge highlight.
+ */
+export function useMarkSqLikesSeen(
+	groupId: number | undefined,
+	receivedLikesCount: number,
+) {
+	React.useEffect(() => {
+		if (typeof groupId !== "number") return;
+
+		PersistedState.write(seenSqLikesPersisted, {
+			groupId,
+			seenCount: receivedLikesCount,
+		});
+	}, [groupId, receivedLikesCount]);
+}
diff --git a/app/features/global-status/global-status-sounds.browser.test.tsx b/app/features/global-status/global-status-sounds.browser.test.tsx
new file mode 100644
index 000000000..81e5c4d48
--- /dev/null
+++ b/app/features/global-status/global-status-sounds.browser.test.tsx
@@ -0,0 +1,102 @@
+import { beforeEach, describe, expect, test, vi } from "vitest";
+import { render } from "vitest-browser-react";
+import {
+	SENDOUQ_LOOKING_PAGE,
+	SENDOUQ_PREPARING_PAGE,
+	SENDOUQ_READY_PAGE,
+	sendouQMatchPage,
+} from "~/utils/urls";
+import { useGlobalStatusSounds } from "./global-status-sounds";
+import type { GlobalStatus } from "./global-status-types";
+
+const mocks = vi.hoisted(() => ({
+	playSound: vi.fn(),
+}));
+
+vi.mock("~/features/chat/chat-utils", () => ({
+	playSound: mocks.playSound,
+}));
+
+function Sounds({ status }: { status: GlobalStatus | null }) {
+	useGlobalStatusSounds(status);
+
+	return null;
+}
+
+/** Renders the first status, then the second, as the provider does when a fresher one lands. */
+const transitionTo = async (
+	from: GlobalStatus | null,
+	to: GlobalStatus | null,
+) => {
+	const screen = await render(<Sounds status={from} />);
+	await screen.rerender(<Sounds status={to} />);
+};
+
+const queued = (overrides: Partial<GlobalStatus> = {}): GlobalStatus => ({
+	state: "SQ_QUEUED",
+	url: SENDOUQ_LOOKING_PAGE,
+	groupId: 1,
+	count: 0,
+	...overrides,
+});
+
+describe("useGlobalStatusSounds", () => {
+	beforeEach(() => {
+		mocks.playSound.mockClear();
+	});
+
+	test.each([
+		["SQ_READY_CHECK", "sq_ready-check"],
+		["SQ_MATCH", "sq_match"],
+		["TO_MATCH", "tournament_match"],
+	] as const)("plays %s's sound on moving into it", async (state, sound) => {
+		await transitionTo(queued(), { state, url: SENDOUQ_READY_PAGE });
+
+		expect(mocks.playSound).toHaveBeenCalledWith(sound);
+	});
+
+	test("stays silent for a status that is already there on the first render", async () => {
+		await render(
+			<Sounds status={{ state: "SQ_MATCH", url: sendouQMatchPage(1) }} />,
+		);
+
+		expect(mocks.playSound).not.toHaveBeenCalled();
+	});
+
+	test("stays silent while the state is unchanged", async () => {
+		const match: GlobalStatus = { state: "SQ_MATCH", url: sendouQMatchPage(1) };
+		await transitionTo(match, { ...match });
+
+		expect(mocks.playSound).not.toHaveBeenCalled();
+	});
+
+	test("stays silent for a state of its own with no sound", async () => {
+		await transitionTo(queued(), {
+			state: "SQ_PREPARING",
+			url: SENDOUQ_PREPARING_PAGE,
+		});
+
+		expect(mocks.playSound).not.toHaveBeenCalled();
+	});
+
+	test("plays the like sound when the queued group's likes grow", async () => {
+		await transitionTo(queued({ count: 1 }), queued({ count: 2 }));
+
+		expect(mocks.playSound).toHaveBeenCalledWith("sq_like");
+	});
+
+	test("stays silent when the queued group's likes shrink", async () => {
+		await transitionTo(queued({ count: 2 }), queued({ count: 1 }));
+
+		expect(mocks.playSound).not.toHaveBeenCalled();
+	});
+
+	test("stays silent for likes carried over from another group", async () => {
+		await transitionTo(
+			queued({ groupId: 1, count: 0 }),
+			queued({ groupId: 2, count: 3 }),
+		);
+
+		expect(mocks.playSound).not.toHaveBeenCalled();
+	});
+});
diff --git a/app/features/global-status/global-status-sounds.ts b/app/features/global-status/global-status-sounds.ts
new file mode 100644
index 000000000..f4650ba31
--- /dev/null
+++ b/app/features/global-status/global-status-sounds.ts
@@ -0,0 +1,48 @@
+import * as React from "react";
+import { playSound } from "~/features/chat/chat-utils";
+import type { GlobalStatus, GlobalStatusState } from "./global-status-types";
+
+const SOUND_BY_STATE: Partial<Record<GlobalStatusState, string>> = {
+	SQ_READY_CHECK: "sq_ready-check",
+	SQ_MATCH: "sq_match",
+	TO_MATCH: "tournament_match",
+};
+
+/**
+ * Plays the alert sound of a status the user has just moved into (a ready
+ * check starting, a match being ready to play) as well as of a like landing
+ * while queued. Driving them off the header status is what makes them heard
+ * anywhere on the site rather than only on the page the moment belongs to.
+ *
+ * The first status seen never plays: a sound announces a moment arriving, not
+ * one already underway when the page was opened.
+ */
+export function useGlobalStatusSounds(status: GlobalStatus | null) {
+	const previousRef = React.useRef<GlobalStatus | null | undefined>(undefined);
+
+	React.useEffect(() => {
+		const previous = previousRef.current;
+		previousRef.current = status;
+
+		if (previous === undefined || !status) return;
+
+		const sound = soundForTransition(previous, status);
+		if (sound) playSound(sound);
+	}, [status]);
+}
+
+function soundForTransition(
+	previous: GlobalStatus | null,
+	next: GlobalStatus,
+): string | null {
+	if (next.state !== previous?.state) {
+		return SOUND_BY_STATE[next.state] ?? null;
+	}
+
+	const likeReceived =
+		next.state === "SQ_QUEUED" &&
+		next.groupId === previous.groupId &&
+		(next.count ?? 0) > (previous.count ?? 0);
+
+	return likeReceived ? "sq_like" : null;
+}
diff --git a/app/features/global-status/global-status-types.ts b/app/features/global-status/global-status-types.ts
new file mode 100644
index 000000000..5ac5003cf
--- /dev/null
+++ b/app/features/global-status/global-status-types.ts
@@ -0,0 +1,28 @@
+export type GlobalStatusState =
+	| "SQ_PREPARING"
+	| "SQ_QUEUED"
+	| "SQ_EXPIRED"
+	| "SQ_READY_CHECK"
+	| "SQ_MATCH"
+	| "TO_CHECKIN"
+	| "TO_MATCH"
+	| "TO_WAITING_FOR_MATCH"
+	| "TO_WAITING_FOR_CAST";
+
+export interface GlobalStatus {
+	state: GlobalStatusState;
+	/** Page the indicator links to e.g. the SendouQ match page. */
+	url: string;
+	/** Logo shown instead of the default state icon, e.g. the tournament's logo. */
+	logoUrl?: string;
+	/** Current SendouQ group fill shown after the state text, e.g. 2/4 members. */
+	groupSize?: { members: number; max: number };
+	/** Count shown as a badge e.g. likes received while in queue. */
+	count?: number;
+	/** Highlights the count badge when it calls for the user's attention. */
+	countNeedsAction?: boolean;
+	/** SendouQ group the queued status belongs to, scoping the likes seen tracking. */
+	groupId?: number;
+	/** When the queued group drops out of the looking pool, flipping the status to `SQ_EXPIRED`. */
+	expiresAt?: number;
+}
diff --git a/app/features/global-status/routes/api.status.ts b/app/features/global-status/routes/api.status.ts
new file mode 100644
index 000000000..4af4db1db
--- /dev/null
+++ b/app/features/global-status/routes/api.status.ts
@@ -0,0 +1,15 @@
+import { requireUser } from "~/features/auth/core/user.server";
+import { resolveGlobalStatus } from "../core/global-status.server";
+
+/**
+ * The header status indicator's data. Fetched by `GlobalStatusProvider`
+ * whenever an event announces that the user's status changed, instead of being
+ * polled with the rest of the app shell data.
+ */
+export const loader = async () => {
+	const user = requireUser();
+
+	return {
+		globalStatus: await resolveGlobalStatus(user.id),
+	};
+};
diff --git a/app/features/layout/LayoutDataProvider.tsx b/app/features/layout/LayoutDataProvider.tsx
index baef17665..3c533576f 100644
--- a/app/features/layout/LayoutDataProvider.tsx
+++ b/app/features/layout/LayoutDataProvider.tsx
@@ -13,6 +13,7 @@ interface LayoutData {
 	/** `null` when the server has no session, `undefined` when it has not said. */
 	loggedInUserId?: number | null;
 	sidebar?: RootLoaderData["sidebar"];
+	globalStatus?: RootLoaderData["globalStatus"];
 	buildCommit?: string;
 }
 
diff --git a/app/features/layout/core/layout.server.ts b/app/features/layout/core/layout.server.ts
index dc910bfd2..48f5051a0 100644
--- a/app/features/layout/core/layout.server.ts
+++ b/app/features/layout/core/layout.server.ts
@@ -1,4 +1,5 @@
 import type { AuthenticatedUser } from "~/features/auth/core/user.server";
+import { resolveGlobalStatus } from "~/features/global-status/core/global-status.server";
 import { resolveSidebarData } from "~/features/sidebar/core/sidebar.server";
 import { GIT_COMMIT } from "~/utils/git-commit";
 
@@ -10,6 +11,7 @@ export async function resolveLayoutData(user: AuthenticatedUser | undefined) {
 	return {
 		loggedInUserId: user?.id ?? null,
 		sidebar: await resolveSidebarData(user),
+		globalStatus: user ? await resolveGlobalStatus(user.id) : null,
 		buildCommit: GIT_COMMIT,
 	};
 }
diff --git a/app/features/leaderboards/LeaderboardRepository.server.test.ts b/app/features/leaderboards/LeaderboardRepository.server.test.ts
index 72951464b..c8beedca8 100644
--- a/app/features/leaderboards/LeaderboardRepository.server.test.ts
+++ b/app/features/leaderboards/LeaderboardRepository.server.test.ts
@@ -15,6 +15,7 @@ import { MATCHES_COUNT_NEEDED_FOR_LEADERBOARD } from "./leaderboards-constants";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 	notifyRoomsChangedByRoomIds: vi.fn(),
 }));
diff --git a/app/features/sendouq-match/SQMatchRepository.server.ts b/app/features/sendouq-match/SQMatchRepository.server.ts
index fafd97e64..487242339 100644
--- a/app/features/sendouq-match/SQMatchRepository.server.ts
+++ b/app/features/sendouq-match/SQMatchRepository.server.ts
@@ -104,6 +104,18 @@ export async function findAllByChatRoomIds(chatRoomIds: number[]) {
 		.execute();
 }
 
+/** Just enough of a match to tell still being played apart from over, for the header status. */
+export async function findLiveStateById(id: number) {
+	return db
+		.selectFrom("GroupMatch")
+		.select((eb) => [
+			isLockedSubquery(eb, id).as("isLocked"),
+			isCanceledSubquery(eb, id).as("isCanceled"),
+		])
+		.where("GroupMatch.id", "=", id)
+		.executeTakeFirst();
+}
+
 export async function findById(id: number) {
 	const result = await db
 		.selectFrom("GroupMatch")
@@ -117,23 +129,8 @@ export async function findById(id: number) {
 			"GroupMatch.cancelAcceptedByUserId",
 			"GroupMatch.noScreen",
 
-			eb
-				.exists(
-					eb
-						.selectFrom("Skill")
-						.select("Skill.id")
-						.where("Skill.groupMatchId", "=", id),
-				)
-				.as("isLocked"),
-			eb
-				.exists(
-					eb
-						.selectFrom("Skill")
-						.select("Skill.id")
-						.where("Skill.groupMatchId", "=", id)
-						.where("Skill.season", "=", CANCELED_MATCH_SEASON),
-				)
-				.as("isCanceled"),
+			isLockedSubquery(eb, id).as("isLocked"),
+			isCanceledSubquery(eb, id).as("isCanceled"),
 			jsonArrayFrom(
 				eb
 					.selectFrom("GroupMatchMap")
@@ -244,6 +241,32 @@ function skillDifferences(match: {
 	return { users, groups };
 }
 
+/** Whether the match's skills have been calculated, i.e. it can no longer be edited. */
+function isLockedSubquery(
+	eb: ExpressionBuilder<DB, "GroupMatch">,
+	matchId: number,
+) {
+	return eb.exists(
+		eb
+			.selectFrom("Skill")
+			.select("Skill.id")
+			.where("Skill.groupMatchId", "=", matchId),
+	);
+}
+
+function isCanceledSubquery(
+	eb: ExpressionBuilder<DB, "GroupMatch">,
+	matchId: number,
+) {
+	return eb.exists(
+		eb
+			.selectFrom("Skill")
+			.select("Skill.id")
+			.where("Skill.groupMatchId", "=", matchId)
+			.where("Skill.season", "=", CANCELED_MATCH_SEASON),
+	);
+}
+
 function groupWithTeamAndMembers(
 	eb: ExpressionBuilder<DB, "GroupMatch">,
 	groupIdRef: "GroupMatch.alphaGroupId" | "GroupMatch.bravoGroupId",
@@ -1609,14 +1632,7 @@ function findLockState(matchId: number, trx: Transaction<DB>) {
 		.selectFrom("GroupMatch")
 		.select((eb) => [
 			"GroupMatch.confirmedAt",
-			eb
-				.exists(
-					eb
-						.selectFrom("Skill")
-						.select("Skill.id")
-						.where("Skill.groupMatchId", "=", matchId),
-				)
-				.as("isLocked"),
+			isLockedSubquery(eb, matchId).as("isLocked"),
 		])
 		.where("GroupMatch.id", "=", matchId)
 		.executeTakeFirstOrThrow();
@@ -1626,7 +1642,21 @@ function findLockState(matchId: number, trx: Transaction<DB>) {
 export function findUnfinishedMatchesCreatedBefore(cutoff: Date) {
 	return db
 		.selectFrom("GroupMatch")
-		.select(["GroupMatch.id", "GroupMatch.chatRoomId"])
+		.select(({ eb }) => [
+			"GroupMatch.id",
+			"GroupMatch.chatRoomId",
+			jsonArrayFrom(
+				eb
+					.selectFrom("GroupMember")
+					.select("GroupMember.userId")
+					.where((wb) =>
+						wb.or([
+							wb("GroupMember.groupId", "=", wb.ref("GroupMatch.alphaGroupId")),
+							wb("GroupMember.groupId", "=", wb.ref("GroupMatch.bravoGroupId")),
+						]),
+					),
+			).as("members"),
+		])
 		.where("GroupMatch.confirmedAt", "is", null)
 		.where("GroupMatch.createdAt", "<", dateToDatabaseTimestamp(cutoff))
 		.where((eb) =>
@@ -1832,14 +1862,7 @@ function findCancelState(matchId: number, trx: Transaction<DB>) {
 		.selectFrom("GroupMatch")
 		.select((eb) => [
 			"GroupMatch.cancelRequestedByUserId",
-			eb
-				.exists(
-					eb
-						.selectFrom("Skill")
-						.select("Skill.id")
-						.where("Skill.groupMatchId", "=", matchId),
-				)
-				.as("isLocked"),
+			isLockedSubquery(eb, matchId).as("isLocked"),
 		])
 		.where("GroupMatch.id", "=", matchId)
 		.executeTakeFirstOrThrow();
diff --git a/app/features/sendouq-match/actions/q.match.$id.server.ts b/app/features/sendouq-match/actions/q.match.$id.server.ts
index 94ee81822..78fe46dc5 100644
--- a/app/features/sendouq-match/actions/q.match.$id.server.ts
+++ b/app/features/sendouq-match/actions/q.match.$id.server.ts
@@ -56,6 +56,11 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 		"Not a participant of this match",
 	);
 
+	const notifyMatchStatusChanged = () =>
+		ChatSystemMessage.notifyStatusChanged(
+			SendouQMatch.allMembers(match).map((m) => m.id),
+		);
+
 	try {
 		switch (data._action) {
 			case "REPORT_SCORE": {
@@ -95,6 +100,8 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 
 				await refreshSendouQInstance();
 
+				notifyMatchStatusChanged();
+
 				if (match.chatRoomId) {
 					if (result.status === "MATCH_FINALIZED") {
 						ChatSystemMessage.sendPersisted({
@@ -158,6 +165,10 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 				// the group re-enters the looking pool
 				ChatSystemMessage.send({ channel: SENDOUQ_LOOKING_CHANNEL });
 
+				ChatSystemMessage.notifyStatusChanged(
+					previousGroup.members.map((m) => m.id),
+				);
+
 				break;
 			}
 			case "CAST_CONTINUE_VOTE": {
@@ -229,6 +240,9 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 					ChatSystemMessage.notifyRoomsChanged(
 						viewerGroup.members.map((member) => member.id),
 					);
+					ChatSystemMessage.notifyStatusChanged(
+						viewerGroup.members.map((member) => member.id),
+					);
 
 					// the continuing group re-enters the looking pool
 					ChatSystemMessage.send({ channel: SENDOUQ_LOOKING_CHANNEL });
@@ -275,6 +289,8 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 
 				await refreshSendouQInstance();
 
+				notifyMatchStatusChanged();
+
 				if (match.chatRoomId) {
 					ChatSystemMessage.send({
 						channel: chatRoomChannel(match.chatRoomId),
@@ -298,6 +314,8 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 
 				await refreshSendouQInstance();
 
+				notifyMatchStatusChanged();
+
 				if (match.chatRoomId) {
 					ChatSystemMessage.send({
 						channel: chatRoomChannel(match.chatRoomId),
@@ -361,6 +379,8 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 				}
 
 				await refreshSendouQInstance();
+
+				notifyMatchStatusChanged();
 				break;
 			}
 			case "ADMIN_CANCEL": {
@@ -382,6 +402,8 @@ export const action = async ({ request, params }: ActionFunctionArgs) => {
 
 				await refreshSendouQInstance();
 
+				notifyMatchStatusChanged();
+
 				if (match.chatRoomId) {
 					ChatSystemMessage.send({
 						channel: chatRoomChannel(match.chatRoomId),
diff --git a/app/features/sendouq/SQGroupRepository.server.ts b/app/features/sendouq/SQGroupRepository.server.ts
index 3faaac2cf..6db3a91ba 100644
--- a/app/features/sendouq/SQGroupRepository.server.ts
+++ b/app/features/sendouq/SQGroupRepository.server.ts
@@ -468,6 +468,22 @@ export async function insertMember(
 	return { chatRoomIdToRevalidate };
 }
 
+/** Count of pending likes each non-inactive group has received, keyed by group id. */
+export async function findCurrentReceivedLikeCounts() {
+	const rows = await db
+		.selectFrom("GroupLike")
+		.innerJoin("Group", "Group.id", "GroupLike.targetGroupId")
+		.select((eb) => [
+			"GroupLike.targetGroupId",
+			eb.fn.countAll<number>().as("count"),
+		])
+		.where("Group.status", "!=", "INACTIVE")
+		.groupBy("GroupLike.targetGroupId")
+		.execute();
+
+	return new Map(rows.map((row) => [row.targetGroupId, row.count]));
+}
+
 export async function findAllLikesByGroupId(groupId: number) {
 	const rows = await db
 		.selectFrom("GroupLike")
diff --git a/app/features/sendouq/actions/q.looking.server.ts b/app/features/sendouq/actions/q.looking.server.ts
index 8dd62f5d1..382736ad0 100644
--- a/app/features/sendouq/actions/q.looking.server.ts
+++ b/app/features/sendouq/actions/q.looking.server.ts
@@ -53,6 +53,13 @@ export const action: ActionFunction = async ({ request }) => {
 			type: "LIKE_RECEIVED",
 		});
 
+	const notifyGroupStatusChanged = (groupId: number) =>
+		ChatSystemMessage.notifyStatusChanged(
+			SendouQ.findUncensoredGroupById(groupId)?.members.map(
+				(member) => member.id,
+			) ?? [],
+		);
+
 	try {
 		switch (data._action) {
 			case "LIKE": {
@@ -62,8 +69,12 @@ export const action: ActionFunction = async ({ request }) => {
 					createdByUserId: user.id,
 				});
 
+				await refreshSendouQInstance();
+
 				notifyLikeReceived(data.targetGroupId);
 				revalidateGroupTopic(currentGroup.id);
+				notifyGroupStatusChanged(data.targetGroupId);
+				notifyGroupStatusChanged(currentGroup.id);
 
 				break;
 			}
@@ -90,6 +101,7 @@ export const action: ActionFunction = async ({ request }) => {
 				});
 
 				revalidateGroupTopic(currentGroup.id);
+				notifyGroupStatusChanged(currentGroup.id);
 
 				break;
 			}
@@ -99,8 +111,11 @@ export const action: ActionFunction = async ({ request }) => {
 					targetGroupId: data.targetGroupId,
 				});
 
+				await refreshSendouQInstance();
+
 				notifyLikeReceived(data.targetGroupId);
 				revalidateGroupTopic(currentGroup.id);
+				notifyGroupStatusChanged(data.targetGroupId);
 				break;
 			}
 			case "UNLIKE": {
@@ -109,8 +124,12 @@ export const action: ActionFunction = async ({ request }) => {
 					targetGroupId: data.targetGroupId,
 				});
 
+				await refreshSendouQInstance();
+
 				revalidateGroupTopic(data.targetGroupId);
 				revalidateGroupTopic(currentGroup.id);
+				notifyGroupStatusChanged(data.targetGroupId);
+				notifyGroupStatusChanged(currentGroup.id);
 
 				break;
 			}
@@ -148,6 +167,11 @@ export const action: ActionFunction = async ({ request }) => {
 						(member) => member.id,
 					),
 				);
+				ChatSystemMessage.notifyStatusChanged(
+					[...ourGroup.members, ...theirGroup.members].map(
+						(member) => member.id,
+					),
+				);
 
 				broadcastLookingUpdate();
 
@@ -203,6 +227,9 @@ export const action: ActionFunction = async ({ request }) => {
 				ChatSystemMessage.notifyRoomsChanged(
 					currentGroup.members.map((member) => member.id),
 				);
+				ChatSystemMessage.notifyStatusChanged(
+					currentGroup.members.map((member) => member.id),
+				);
 
 				broadcastLookingUpdate();
 
@@ -239,6 +266,9 @@ export const action: ActionFunction = async ({ request }) => {
 				ChatSystemMessage.notifyRoomsChanged(
 					currentGroup.members.map((member) => member.id),
 				);
+				ChatSystemMessage.notifyStatusChanged(
+					currentGroup.members.map((member) => member.id),
+				);
 
 				broadcastLookingUpdate();
 
@@ -249,6 +279,10 @@ export const action: ActionFunction = async ({ request }) => {
 
 				await refreshSendouQInstance();
 
+				ChatSystemMessage.notifyStatusChanged(
+					currentGroup.members.map((member) => member.id),
+				);
+
 				broadcastLookingUpdate();
 
 				break;
@@ -261,6 +295,8 @@ export const action: ActionFunction = async ({ request }) => {
 
 				await refreshSendouQInstance();
 
+				notifyGroupStatusChanged(currentGroup.id);
+
 				broadcastLookingUpdate();
 
 				break;
diff --git a/app/features/sendouq/actions/q.preparing.server.ts b/app/features/sendouq/actions/q.preparing.server.ts
index ecbcc0a91..a1898f9b1 100644
--- a/app/features/sendouq/actions/q.preparing.server.ts
+++ b/app/features/sendouq/actions/q.preparing.server.ts
@@ -37,6 +37,9 @@ export const action = async ({ request }: ActionFunctionArgs) => {
 
 				await refreshSendouQInstance();
 
+				ChatSystemMessage.notifyStatusChanged(
+					ownGroup.members.map((member) => member.id),
+				);
 				ChatSystemMessage.send({ channel: SENDOUQ_LOOKING_CHANNEL });
 
 				return redirect(SENDOUQ_LOOKING_PAGE);
@@ -78,6 +81,11 @@ export const action = async ({ request }: ActionFunctionArgs) => {
 						? updatedGroup.members.map((member) => member.id)
 						: [data.id],
 				);
+				ChatSystemMessage.notifyStatusChanged(
+					updatedGroup
+						? updatedGroup.members.map((member) => member.id)
+						: [data.id],
+				);
 
 				ChatSystemMessage.send({ channel: sqGroupChannel(ownGroup.id) });
 
diff --git a/app/features/sendouq/actions/q.server.ts b/app/features/sendouq/actions/q.server.ts
index 3fd1f43a7..35d61c2c3 100644
--- a/app/features/sendouq/actions/q.server.ts
+++ b/app/features/sendouq/actions/q.server.ts
@@ -65,6 +65,8 @@ export const action: ActionFunction = async ({ request, url }) => {
 
 				await refreshSendouQInstance();
 
+				ChatSystemMessage.notifyStatusChanged([user.id]);
+
 				// joining directly creates an ACTIVE group that enters the pool (a PREPARING one isn't in it)
 				if (data.direct === "true") {
 					ChatSystemMessage.send({ channel: SENDOUQ_LOOKING_CHANNEL });
@@ -101,6 +103,12 @@ export const action: ActionFunction = async ({ request, url }) => {
 
 				await refreshSendouQInstance();
 
+				ChatSystemMessage.notifyStatusChanged(
+					SendouQ.findUncensoredGroupById(groupInvitedTo.id)?.members.map(
+						(member) => member.id,
+					) ?? [user.id],
+				);
+
 				if (groupInvitedTo.status === "PREPARING") {
 					// a preparing group isn't in the pool, so only its members (on the preparing page)
 					ChatSystemMessage.send({
diff --git a/app/features/sendouq/core/SendouQ.server.test.ts b/app/features/sendouq/core/SendouQ.server.test.ts
index 695d780ba..fcc3c2e69 100644
--- a/app/features/sendouq/core/SendouQ.server.test.ts
+++ b/app/features/sendouq/core/SendouQ.server.test.ts
@@ -104,6 +104,36 @@ const createSkill = (position: number, mu: number) =>
 	);
 
 describe("SendouQ", () => {
+	describe("likesReceivedCount", () => {
+		beforeEach(async () => {
+			await users.create(8);
+		});
+
+		test("returns 0 for a group nobody has liked", async () => {
+			const groupId = await createGroup([1]);
+			await refreshSendouQInstance();
+
+			expect(SendouQ.likesReceivedCount(groupId)).toBe(0);
+		});
+
+		test("counts likes received, not given", async () => {
+			const likerGroup = await SQGroupFactory.create({
+				memberUserIds: userIds([5]),
+			});
+			const secondLikerGroup = await SQGroupFactory.create({
+				memberUserIds: userIds([6]),
+			});
+			const target = await SQGroupFactory.create(
+				{ memberUserIds: userIds([1, 2]) },
+				{ likedByGroupIds: [likerGroup.id, secondLikerGroup.id] },
+			);
+			await refreshSendouQInstance();
+
+			expect(SendouQ.likesReceivedCount(target.id)).toBe(2);
+			expect(SendouQ.likesReceivedCount(likerGroup.id)).toBe(0);
+		});
+	});
+
 	describe("currentViewByUserId", () => {
 		beforeEach(async () => {
 			await users.create(8);
diff --git a/app/features/sendouq/core/SendouQ.server.ts b/app/features/sendouq/core/SendouQ.server.ts
index ebca4a313..edf94feac 100644
--- a/app/features/sendouq/core/SendouQ.server.ts
+++ b/app/features/sendouq/core/SendouQ.server.ts
@@ -61,6 +61,7 @@ class SendouQClass {
 	readonly #isAccurateTiers;
 	readonly #userSkills;
 	readonly #intervals;
+	readonly #receivedLikeCounts;
 	usersInQueue;
 
 	constructor(
@@ -71,7 +72,9 @@ class SendouQClass {
 			userSkills: calculatedUserSkills,
 			isAccurateTiers,
 		}: Awaited<ReturnType<typeof userSkills>>,
+		receivedLikeCounts: Map<number, number>,
 	) {
+		this.#receivedLikeCounts = receivedLikeCounts;
 		this.#recentMatches = recentMatches;
 		this.#isAccurateTiers = isAccurateTiers;
 		this.#userSkills = calculatedUserSkills;
@@ -128,6 +131,11 @@ class SendouQClass {
 		);
 	}
 
+	/** Pending likes/challenges the group has received, 0 when none. */
+	likesReceivedCount(groupId: number) {
+		return this.#receivedLikeCounts.get(groupId) ?? 0;
+	}
+
 	/** A group by id without censoring sensitive data. */
 	findUncensoredGroupById(groupId: number) {
 		return this.groups.find((group) => group.id === groupId);
@@ -580,13 +588,16 @@ export async function refreshSendouQInstance() {
 async function freshSendouQInstance() {
 	const season = Seasons.currentOrPrevious();
 
-	const [groups, recentMatches, skills] = await Promise.all([
-		SQGroupRepository.findCurrentGroups(),
-		SQGroupRepository.findRecentlyFinishedMatches(),
-		userSkills(season!.nth),
-	]);
+	const [groups, recentMatches, skills, receivedLikeCounts] = await Promise.all(
+		[
+			SQGroupRepository.findCurrentGroups(),
+			SQGroupRepository.findRecentlyFinishedMatches(),
+			userSkills(season!.nth),
+			SQGroupRepository.findCurrentReceivedLikeCounts(),
+		],
+	);
 
-	return new SendouQClass(groups, recentMatches, skills);
+	return new SendouQClass(groups, recentMatches, skills, receivedLikeCounts);
 }
 
 /** Throws a redirect when the user loads a page other than the one their SendouQ group status puts them on. */
diff --git a/app/features/sendouq/core/groups.ts b/app/features/sendouq/core/groups.ts
index 1e73cdcf1..af465e124 100644
--- a/app/features/sendouq/core/groups.ts
+++ b/app/features/sendouq/core/groups.ts
@@ -3,6 +3,10 @@ import { databaseTimestampToDate } from "~/utils/dates";
 import type { GroupExpiryStatus } from "../q-types";
 import type { SQGroup } from "./SendouQ.server";
 
+// group expires in 30min without actions performed
+const GROUP_EXPIRES_IN_MS = 30 * 60 * 1000;
+const GROUP_EXPIRING_SOON_IN_MS = 10 * 60 * 1000;
+
 /** Whose settings two morphing groups keep: the bigger group's, or at equal size the liked group's. */
 export function groupAfterMorph({
 	ourGroup,
@@ -43,22 +47,25 @@ export function canSuggest(group: { members: unknown[] }) {
 	return group.members.length > 1;
 }
 
+/** When the group falls out of the looking pool unless an action refreshes it. */
+export function groupExpiresAt(latestActionAt: number) {
+	return new Date(
+		databaseTimestampToDate(latestActionAt).getTime() + GROUP_EXPIRES_IN_MS,
+	);
+}
+
 export function groupExpiryStatus(
 	latestActionAt: number,
 ): GroupExpiryStatus | null {
-	// group expires in 30min without actions performed
-	const groupExpiresAt =
-		databaseTimestampToDate(latestActionAt).getTime() + 30 * 60 * 1000;
+	const expiresAt = groupExpiresAt(latestActionAt).getTime();
 
 	const now = Date.now();
 
-	if (now > groupExpiresAt) {
+	if (now > expiresAt) {
 		return "EXPIRED";
 	}
 
-	const tenMinutesFromNow = now + 10 * 60 * 1000;
-
-	if (tenMinutesFromNow > groupExpiresAt) {
+	if (now + GROUP_EXPIRING_SOON_IN_MS > expiresAt) {
 		return "EXPIRING_SOON";
 	}
 
diff --git a/app/features/sendouq/core/likes.server.ts b/app/features/sendouq/core/likes.server.ts
index ac03a6bf6..392d9ee56 100644
--- a/app/features/sendouq/core/likes.server.ts
+++ b/app/features/sendouq/core/likes.server.ts
@@ -32,4 +32,12 @@ export async function cancelActiveGroupLikes(userId: number) {
 		})),
 		{ channel: SENDOUQ_LOOKING_CHANNEL },
 	]);
+	ChatSystemMessage.notifyStatusChanged(
+		[...affectedGroupIds, ownGroup.id].flatMap(
+			(groupId) =>
+				SendouQ.findUncensoredGroupById(groupId)?.members.map(
+					(member) => member.id,
+				) ?? [],
+		),
+	);
 }
diff --git a/app/features/sendouq/core/ready-check.server.test.ts b/app/features/sendouq/core/ready-check.server.test.ts
index f7987760b..8fd903cc5 100644
--- a/app/features/sendouq/core/ready-check.server.test.ts
+++ b/app/features/sendouq/core/ready-check.server.test.ts
@@ -19,6 +19,7 @@ import { refreshSendouQInstance, SendouQ } from "./SendouQ.server";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 }));
 
diff --git a/app/features/sendouq/core/ready-check.server.ts b/app/features/sendouq/core/ready-check.server.ts
index d12b9c7a8..643ec7083 100644
--- a/app/features/sendouq/core/ready-check.server.ts
+++ b/app/features/sendouq/core/ready-check.server.ts
@@ -73,6 +73,10 @@ export async function start({
 		},
 		{ channel: SENDOUQ_LOOKING_CHANNEL },
 	]);
+	ChatSystemMessage.notifyStatusChanged([
+		...ownGroup.members.map((m) => m.id),
+		...theirGroup.members.map((m) => m.id),
+	]);
 
 	notify({
 		userIds: [
@@ -165,6 +169,9 @@ async function endReadyCheck(
 	await refreshSendouQInstance();
 
 	revalidateGroups(readyCheck);
+	ChatSystemMessage.notifyStatusChanged(
+		readyCheck.members.map((member) => member.userId),
+	);
 	// both groups return to the looking pool, so its shape changed for everyone
 	ChatSystemMessage.send({ channel: SENDOUQ_LOOKING_CHANNEL });
 }
@@ -221,6 +228,9 @@ async function createMatch({
 		},
 		{ channel: SENDOUQ_LOOKING_CHANNEL },
 	]);
+	ChatSystemMessage.notifyStatusChanged(
+		readyCheck.members.map((member) => member.userId),
+	);
 
 	notify({
 		userIds: readyCheck.members.map((member) => member.userId),
diff --git a/app/features/sendouq/routes/q.looking.test.ts b/app/features/sendouq/routes/q.looking.test.ts
index 45ceedcfa..2e0de6b5e 100644
--- a/app/features/sendouq/routes/q.looking.test.ts
+++ b/app/features/sendouq/routes/q.looking.test.ts
@@ -17,6 +17,7 @@ import { action as rawLookingAction } from "./q.looking";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 }));
 
diff --git a/app/features/sendouq/routes/q.looking.tsx b/app/features/sendouq/routes/q.looking.tsx
index a79fe2099..98af2042d 100644
--- a/app/features/sendouq/routes/q.looking.tsx
+++ b/app/features/sendouq/routes/q.looking.tsx
@@ -17,6 +17,7 @@ import { Main } from "~/components/Main";
 import { Placeholder } from "~/components/Placeholder";
 import { useUser } from "~/features/auth/core/user";
 import { useTopicRevalidation } from "~/features/chat/chat-hooks";
+import { useMarkSqLikesSeen } from "~/features/global-status/global-status-likes-seen";
 import type { UserCardData } from "~/features/user-card/user-card-types";
 import { useDateTimeFormat } from "~/hooks/intl/useDateTimeFormat";
 import { useHydrated } from "~/hooks/useHydrated";
@@ -85,6 +86,8 @@ function QLookingPage() {
 	const data = useLoaderData<typeof loader>();
 	const [joining] = useSearchParam(qLookingSearchParams, "joining");
 
+	useMarkSqLikesSeen(data.ownGroup?.id, data.likes.received.length);
+
 	// pool-shape changes (a group joining/leaving, a morph, a match starting)
 	useTopicRevalidation(SENDOUQ_LOOKING_CHANNEL);
 	// group-specific updates (e.g. a received like)
diff --git a/app/features/sendouq/routes/q.ready.test.ts b/app/features/sendouq/routes/q.ready.test.ts
index e6cc689d0..67344fb24 100644
--- a/app/features/sendouq/routes/q.ready.test.ts
+++ b/app/features/sendouq/routes/q.ready.test.ts
@@ -17,6 +17,7 @@ import { action as rawReadyAction, loader as rawReadyLoader } from "./q.ready";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 }));
 
diff --git a/app/features/settings/components/SoundsTab.tsx b/app/features/settings/components/SoundsTab.tsx
index 82e4d11fe..b5f9742fa 100644
--- a/app/features/settings/components/SoundsTab.tsx
+++ b/app/features/settings/components/SoundsTab.tsx
@@ -26,7 +26,6 @@ function SoundCheckboxes() {
 
 	const sounds = [
 		{ code: "sq_like", name: t("settings:sounds.likeReceived") },
-		{ code: "sq_new-group", name: t("settings:sounds.groupNewMember") },
 		{ code: "sq_ready-check", name: t("settings:sounds.readyCheckStarted") },
 		{ code: "sq_match", name: t("settings:sounds.matchStarted") },
 		{
diff --git a/app/features/tournament-admin/actions/to.$id.admin.index.server.ts b/app/features/tournament-admin/actions/to.$id.admin.index.server.ts
index 38488d18d..8c9eb3e66 100644
--- a/app/features/tournament-admin/actions/to.$id.admin.index.server.ts
+++ b/app/features/tournament-admin/actions/to.$id.admin.index.server.ts
@@ -4,12 +4,15 @@ import { db } from "~/db/sql";
 import * as ChatSystemMessage from "~/features/chat/ChatSystemMessage.server";
 import * as ShowcaseTournaments from "~/features/front-page/core/ShowcaseTournaments.server";
 import { resolveNotifications } from "~/features/notifications/core/resolve.server";
+import * as PendingCheckIns from "~/features/tournament/core/PendingCheckIns.server";
 import * as TournamentTeamRepository from "~/features/tournament/TournamentTeamRepository.server";
 import { endDroppedTeamMatches } from "~/features/tournament/tournament-utils.server";
 import * as BracketRepository from "~/features/tournament-bracket/BracketRepository.server";
+import type * as Engine from "~/features/tournament-bracket/core/engine";
 import type { Tournament } from "~/features/tournament-bracket/core/Tournament";
 import {
 	clearTournamentDataCache,
+	notifyTournamentStatusChanged,
 	requireTournamentOrganizer,
 	tournamentFromParams,
 } from "~/features/tournament-bracket/core/Tournament.server";
@@ -32,6 +35,8 @@ export const action: ActionFunction = async ({ request, params }) => {
 		{ for: "action" },
 	);
 
+	let statusChangedUserIds: number[] = [];
+
 	switch (data._action) {
 		case "CHECK_IN": {
 			requireTournamentOrganizer(tournament, user);
@@ -58,6 +63,7 @@ export const action: ActionFunction = async ({ request, params }) => {
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
 
 			if (!bracket.sources) {
+				PendingCheckIns.clearCache();
 				await resolveNotifications({
 					userIds: team.memberUserIds,
 					type: "TO_CHECK_IN_OPENED",
@@ -65,6 +71,8 @@ export const action: ActionFunction = async ({ request, params }) => {
 				});
 			}
 
+			statusChangedUserIds = team.memberUserIds;
+
 			break;
 		}
 		case "CHECK_OUT": {
@@ -85,11 +93,16 @@ export const action: ActionFunction = async ({ request, params }) => {
 				// no sources = regular check in
 				bracketIdx: !bracket.sources ? null : data.bracketIdx,
 			});
+			if (!bracket.sources) {
+				PendingCheckIns.clearCache();
+			}
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
 			logger.info(
 				`Checked out: tournament team id: ${data.teamId} - user id: ${user.id} - tournament id: ${tournamentId} - bracket idx: ${data.bracketIdx}`,
 			);
 
+			statusChangedUserIds = team.memberUserIds;
+
 			break;
 		}
 		case "DELETE_TEAM": {
@@ -111,13 +124,15 @@ export const action: ActionFunction = async ({ request, params }) => {
 			}
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
 
+			statusChangedUserIds = team.memberUserIds;
+
 			break;
 		}
 		case "DROP_TEAM_OUT": {
 			requireTournamentOrganizer(tournament, user);
 			errorToastIfFalsy(tournament.teamById(data.teamId), "Invalid team id");
 
-			const endedMatchIds = await dropTeamOut({
+			const { endedMatchIds, statusChangedTeamIds } = await dropTeamOut({
 				tournament,
 				teamId: data.teamId,
 			});
@@ -127,6 +142,10 @@ export const action: ActionFunction = async ({ request, params }) => {
 				endedMatchIds,
 			});
 
+			statusChangedUserIds = statusChangedTeamIds.flatMap(
+				(teamId) => tournament.teamById(teamId)?.memberUserIds ?? [],
+			);
+
 			break;
 		}
 		case "UNDO_DROP_TEAM_OUT": {
@@ -134,6 +153,9 @@ export const action: ActionFunction = async ({ request, params }) => {
 
 			await TournamentTeamRepository.undoDropOut(data.teamId);
 
+			statusChangedUserIds =
+				tournament.teamById(data.teamId)?.memberUserIds ?? [];
+
 			break;
 		}
 		default: {
@@ -143,12 +165,15 @@ export const action: ActionFunction = async ({ request, params }) => {
 
 	clearTournamentDataCache(tournamentId);
 
+	await notifyTournamentStatusChanged(tournamentId, statusChangedUserIds);
+
 	return null;
 };
 
 /**
  * Drops a team out: random active roster for teams with subs, ends their in-progress matches,
- * marks them dropped. Returns the ended match ids for one batch of chat messages.
+ * marks them dropped. Returns the ended match ids for one batch of chat messages and the ids of
+ * the teams whose header status the drop moved.
  */
 async function dropTeamOut({
 	tournament,
@@ -174,7 +199,7 @@ async function dropTeamOut({
 		});
 	}
 
-	const { endedMatchIds, changedChatRoomIds } = await db
+	const { endedMatchIds, changedChatRoomIds, statusChangedTeamIds } = await db
 		.transaction()
 		.execute(async (trx) => {
 			const bracketData = await BracketRepository.findByTournamentId(
@@ -198,6 +223,10 @@ async function dropTeamOut({
 			return {
 				endedMatchIds: droppedResult.endedMatchIds,
 				changedChatRoomIds: chatRoomIds,
+				statusChangedTeamIds: teamIdsAffectedByDrop({
+					droppedTeamId: teamId,
+					changedMatches: droppedResult.changedMatches,
+				}),
 			};
 		});
 
@@ -211,7 +240,30 @@ async function dropTeamOut({
 		),
 	});
 
-	return endedMatchIds;
+	return { endedMatchIds, statusChangedTeamIds };
+}
+
+/**
+ * The dropped team plus the teams whose header status the drop moves. Read off the propagation's
+ * own changed matches: the follow-up match a walkover fills only shares a participant with the
+ * ended match once the winner has been written into it.
+ */
+function teamIdsAffectedByDrop({
+	droppedTeamId,
+	changedMatches,
+}: {
+	droppedTeamId: number;
+	changedMatches: Engine.MatchData[];
+}) {
+	const teamIds = new Set([droppedTeamId]);
+
+	for (const match of changedMatches) {
+		for (const opponentId of [match.opponent1?.id, match.opponent2?.id]) {
+			if (typeof opponentId === "number") teamIds.add(opponentId);
+		}
+	}
+
+	return Array.from(teamIds);
 }
 
 function sendDroppedMatchChatMessages({
diff --git a/app/features/tournament-bracket/actions/to.$id.brackets.server.test.ts b/app/features/tournament-bracket/actions/to.$id.brackets.server.test.ts
index 6323a8556..a01177c07 100644
--- a/app/features/tournament-bracket/actions/to.$id.brackets.server.test.ts
+++ b/app/features/tournament-bracket/actions/to.$id.brackets.server.test.ts
@@ -13,6 +13,7 @@ import { action } from "./to.$id.brackets.server";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 	notifyRoomsChangedByRoomIds: vi.fn(),
 }));
diff --git a/app/features/tournament-bracket/actions/to.$id.brackets.server.ts b/app/features/tournament-bracket/actions/to.$id.brackets.server.ts
index 9b317f291..5af2e2fa3 100644
--- a/app/features/tournament-bracket/actions/to.$id.brackets.server.ts
+++ b/app/features/tournament-bracket/actions/to.$id.brackets.server.ts
@@ -25,6 +25,7 @@ import * as PreparedMapsUtils from "../core/PreparedMaps";
 import type { Tournament } from "../core/Tournament";
 import {
 	clearTournamentDataCache,
+	notifyTournamentStatusChanged,
 	requireTournamentOrganizer,
 	tournamentFromDB,
 	tournamentFromParams,
@@ -40,6 +41,7 @@ export const action: ActionFunction = async ({ params, request }) => {
 	const data = await parseRequestPayload({ request, schema: bracketSchema });
 
 	let emitTournamentUpdate = false;
+	let statusChangedUserIds: number[] = [];
 
 	switch (data._action) {
 		case "START_BRACKET": {
@@ -192,6 +194,10 @@ export const action: ActionFunction = async ({ params, request }) => {
 			await tournamentFromDB(tournamentId);
 
 			emitTournamentUpdate = true;
+			statusChangedUserIds = seeding.flatMap(
+				(tournamentTeamId) =>
+					tournament.teamById(tournamentTeamId)!.memberUserIds,
+			);
 
 			break;
 		}
@@ -259,6 +265,9 @@ export const action: ActionFunction = async ({ params, request }) => {
 			});
 
 			emitTournamentUpdate = true;
+			statusChangedUserIds = bracket.participantTournamentTeamIds.flatMap(
+				(teamId) => tournament.teamById(teamId)?.memberUserIds ?? [],
+			);
 
 			break;
 		}
@@ -287,6 +296,9 @@ export const action: ActionFunction = async ({ params, request }) => {
 			});
 
 			emitTournamentUpdate = true;
+			statusChangedUserIds = bracket.participantTournamentTeamIds.flatMap(
+				(teamId) => tournament.teamById(teamId)?.memberUserIds ?? [],
+			);
 
 			break;
 		}
@@ -311,6 +323,8 @@ export const action: ActionFunction = async ({ params, request }) => {
 			logger.info(
 				`Checking in (bracket success): tournament team id: ${teamMemberOf.id} - user id: ${user.id} - tournament id: ${tournament.ctx.id} - bracket idx: ${data.bracketIdx}`,
 			);
+
+			statusChangedUserIds = teamMemberOf.memberUserIds;
 			break;
 		}
 		case "OVERRIDE_BRACKET_PROGRESSION": {
@@ -340,6 +354,8 @@ export const action: ActionFunction = async ({ params, request }) => {
 			});
 
 			emitTournamentUpdate = true;
+			statusChangedUserIds =
+				tournament.teamById(data.tournamentTeamId)?.memberUserIds ?? [];
 
 			break;
 		}
@@ -350,6 +366,8 @@ export const action: ActionFunction = async ({ params, request }) => {
 
 	clearTournamentDataCache(tournamentId);
 
+	await notifyTournamentStatusChanged(tournamentId, statusChangedUserIds);
+
 	if (emitTournamentUpdate) {
 		ChatSystemMessage.send([{ channel: tournamentChannel(tournament.ctx.id) }]);
 	}
diff --git a/app/features/tournament-bracket/components/TournamentTeamActions.module.css b/app/features/tournament-bracket/components/BracketCheckIn.module.css
similarity index 66%
rename from app/features/tournament-bracket/components/TournamentTeamActions.module.css
rename to app/features/tournament-bracket/components/BracketCheckIn.module.css
index 14108dc94..0ca36e4dc 100644
--- a/app/features/tournament-bracket/components/TournamentTeamActions.module.css
+++ b/app/features/tournament-bracket/components/BracketCheckIn.module.css
@@ -1,4 +1,7 @@
-.quickAction {
+.checkIn {
+	display: flex;
+	align-items: center;
+	gap: var(--s-3);
 	font-size: var(--font-xs);
 	color: var(--color-text);
 	background-color: var(--color-bg);
@@ -7,19 +10,4 @@
 	padding-block: var(--s-1-5);
 	padding-inline: var(--s-3);
 	font-weight: var(--weight-bold);
-	align-items: center;
-}
-
-.quickActionSpaced {
-	display: flex;
-	gap: var(--s-1-5);
-}
-
-.quickActionVerySpaced {
-	display: flex;
-	gap: var(--s-3);
-}
-
-.quickActionCheckmark {
-	color: var(--color-success);
 }
diff --git a/app/features/tournament-bracket/components/BracketCheckIn.tsx b/app/features/tournament-bracket/components/BracketCheckIn.tsx
new file mode 100644
index 000000000..53aea2597
--- /dev/null
+++ b/app/features/tournament-bracket/components/BracketCheckIn.tsx
@@ -0,0 +1,50 @@
+import { sub } from "date-fns";
+import { ActionButton } from "~/components/ActionButton";
+import { LocaleTimeRange } from "~/components/LocaleTimeRange";
+import { useUser } from "~/features/auth/core/user";
+import { useTournament } from "~/features/tournament/tournament-context";
+import { bracketSchema } from "~/features/tournament-bracket/tournament-bracket-schemas";
+import styles from "./BracketCheckIn.module.css";
+
+/** Prompts the viewer's team to check in to a follow-up bracket; other progress states live in the header status indicator. */
+export function BracketCheckIn({ bracketIdx }: { bracketIdx: number }) {
+	const tournament = useTournament();
+	const user = useUser();
+
+	const bracket = tournament.bracketMetaByIdx(bracketIdx);
+	if (!bracket) return null;
+
+	return (
+		<div className={styles.checkIn}>
+			{bracket.name} check-in
+			{tournament.canCheckInToBracket(bracket.idx, user) ? (
+				<ActionButton
+					schema={bracketSchema}
+					action="BRACKET_CHECK_IN"
+					fields={{ bracketIdx: bracket.idx }}
+					size="small"
+					variant="minimal"
+					testId="check-in-bracket-button"
+				>
+					Check-in
+				</ActionButton>
+			) : bracket.startTime && bracket.startTime > new Date() ? (
+				<span className="text-lighter text-xxs">
+					open{" "}
+					<LocaleTimeRange
+						from={sub(bracket.startTime, { hours: 1 })}
+						to={bracket.startTime}
+						options={{
+							hour: "numeric",
+							minute: "numeric",
+							weekday: "short",
+						}}
+						inline
+					/>
+				</span>
+			) : bracket.startTime && bracket.startTime < new Date() ? (
+				<span className="text-warning">over</span>
+			) : null}
+		</div>
+	);
+}
diff --git a/app/features/tournament-bracket/components/TournamentTeamActions.tsx b/app/features/tournament-bracket/components/TournamentTeamActions.tsx
deleted file mode 100644
index 64272bf54..000000000
--- a/app/features/tournament-bracket/components/TournamentTeamActions.tsx
+++ /dev/null
@@ -1,228 +0,0 @@
-import clsx from "clsx";
-import { sub } from "date-fns";
-import { Check } from "lucide-react";
-import * as React from "react";
-import { ActionButton } from "~/components/ActionButton";
-import { LinkButton, SendouButton } from "~/components/elements/Button";
-import { SendouPopover } from "~/components/elements/Popover";
-import { LocaleTimeRange } from "~/components/LocaleTimeRange";
-import { useUser } from "~/features/auth/core/user";
-import { playSound } from "~/features/chat/chat-utils";
-import { useTournament } from "~/features/tournament/tournament-context";
-import { checkInSchema } from "~/features/tournament/tournament-schemas";
-import type { TournamentTeamMemberProgressStatus } from "~/features/tournament-bracket/core/Tournament";
-import { bracketSchema } from "~/features/tournament-bracket/tournament-bracket-schemas";
-import { logger } from "~/utils/logger";
-import { tournamentMatchPage, tournamentRegisterPage } from "~/utils/urls";
-import styles from "./TournamentTeamActions.module.css";
-
-export function TournamentTeamActions({
-	status,
-}: {
-	status: TournamentTeamMemberProgressStatus | null;
-}) {
-	const tournament = useTournament();
-	const user = useUser();
-
-	useMatchReadySound(status?.type);
-
-	if (!status) return null;
-
-	if (status.type === "MATCH") {
-		return (
-			<Container spaced="very">
-				vs. {status.opponent}
-				<LinkButton
-					to={tournamentMatchPage({
-						tournamentId: tournament.ctx.id,
-						matchId: status.matchId,
-					})}
-					variant="minimal"
-					size="small"
-				>
-					Go to match
-				</LinkButton>
-			</Container>
-		);
-	}
-	if (status.type === "CHECKIN") {
-		const bracket =
-			typeof status.bracketIdx === "number"
-				? tournament.bracketMetaByIdx(status.bracketIdx)
-				: null;
-
-		if (!bracket) {
-			return (
-				<Container spaced="very">
-					Your team needs to check-in
-					{status.canCheckIn ? (
-						<ActionButton
-							schema={checkInSchema}
-							action="CHECK_IN"
-							formAction={tournamentRegisterPage(tournament.ctx.id)}
-							size="small"
-							variant="minimal"
-							testId="check-in-bracket-button"
-						>
-							Check-in now
-						</ActionButton>
-					) : (
-						<SendouPopover
-							trigger={
-								<SendouButton variant="minimal" size="small">
-									Check-in now
-								</SendouButton>
-							}
-						>
-							{tournament.ctx.mapPickingStyle !== "TO"
-								? "Can't check-in, registration needs to be finished by the captain (full roster & map pool picked)"
-								: "Can't check-in, registration needs to be finished by the captain (full roster)"}
-						</SendouPopover>
-					)}
-				</Container>
-			);
-		}
-
-		return (
-			<Container spaced="very">
-				{bracket.name} check-in
-				{tournament.canCheckInToBracket(bracket.idx, user) ? (
-					<ActionButton
-						schema={bracketSchema}
-						action="BRACKET_CHECK_IN"
-						fields={{ bracketIdx: bracket.idx }}
-						size="small"
-						variant="minimal"
-						testId="check-in-bracket-button"
-					>
-						Check-in
-					</ActionButton>
-				) : bracket.startTime && bracket.startTime > new Date() ? (
-					<span className="text-lighter text-xxs">
-						open{" "}
-						<LocaleTimeRange
-							from={sub(bracket.startTime, { hours: 1 })}
-							to={bracket.startTime}
-							options={{
-								hour: "numeric",
-								minute: "numeric",
-								weekday: "short",
-							}}
-							inline
-						/>
-					</span>
-				) : bracket.startTime && bracket.startTime < new Date() ? (
-					<span className="text-warning">over</span>
-				) : null}
-			</Container>
-		);
-	}
-
-	if (status.type === "WAITING_FOR_MATCH") {
-		return (
-			<Container>
-				Waiting on match
-				<Dots />
-			</Container>
-		);
-	}
-
-	if (status.type === "WAITING_FOR_CAST") {
-		return (
-			<Container>
-				Waiting on cast
-				<Dots />
-			</Container>
-		);
-	}
-
-	if (status.type === "WAITING_FOR_ROUND") {
-		return (
-			<Container>
-				Waiting on next round
-				<Dots />
-			</Container>
-		);
-	}
-
-	if (status.type === "WAITING_FOR_GROUPS") {
-		return (
-			<Container>
-				Waiting on group to finish
-				<Dots />
-			</Container>
-		);
-	}
-
-	if (status.type === "WAITING_FOR_BRACKET") {
-		return (
-			<Container spaced>
-				<Check className={styles.quickActionCheckmark} />{" "}
-				<div>
-					Checked in, waiting on bracket
-					<Dots />
-				</div>
-			</Container>
-		);
-	}
-
-	if (status.type === "THANKS_FOR_PLAYING") {
-		return <Container>Thank you for playing!</Container>;
-	}
-
-	logger.warn("Unexpected status", status);
-	return null;
-}
-
-function Container({
-	children,
-	spaced,
-}: {
-	children: React.ReactNode;
-	spaced?: boolean | "very";
-}) {
-	return (
-		<div
-			className={clsx(styles.quickAction, {
-				[styles.quickActionSpaced]: spaced,
-				[styles.quickActionVerySpaced]: spaced === "very",
-			})}
-		>
-			{children}
-		</div>
-	);
-}
-
-function Dots() {
-	const [thirdVisible, setThirdVisible] = React.useState(false);
-
-	React.useEffect(() => {
-		const timeout = setInterval(() => {
-			setThirdVisible((prev) => !prev);
-		}, 1500);
-
-		return () => {
-			clearInterval(timeout);
-		};
-	}, []);
-
-	return (
-		<span>
-			..<span className={clsx({ invisible: !thirdVisible })}>.</span>
-		</span>
-	);
-}
-
-function useMatchReadySound(statusType?: string) {
-	const isWaiting = React.useRef(false);
-
-	React.useEffect(() => {
-		if (statusType === "MATCH" && isWaiting.current) {
-			playSound("tournament_match");
-		}
-
-		isWaiting.current = !statusType || statusType?.startsWith("WAITING_");
-	}, [statusType]);
-
-	return isWaiting;
-}
diff --git a/app/features/tournament-bracket/core/Tournament.server.test.ts b/app/features/tournament-bracket/core/Tournament.server.test.ts
index f4ba5da56..e44f76e87 100644
--- a/app/features/tournament-bracket/core/Tournament.server.test.ts
+++ b/app/features/tournament-bracket/core/Tournament.server.test.ts
@@ -1,7 +1,13 @@
-import { describe, expect, test } from "vitest";
+import { addHours, addMinutes, subHours, subMinutes } from "date-fns";
+import { beforeEach, describe, expect, test } from "vitest";
+import { dateToDatabaseTimestamp } from "~/utils/dates";
 import * as Engine from "./engine";
-import { serializeBracket } from "./Tournament.server";
-import { testTournament } from "./tests/test-utils";
+import { RunningTournaments } from "./RunningTournaments.server";
+import {
+	evictStaleRunningTournaments,
+	serializeBracket,
+} from "./Tournament.server";
+import { progressions, testTournament } from "./tests/test-utils";
 
 const SWISS_SETTINGS = { groupCount: 2, roundCount: 3 };
 
@@ -65,3 +71,104 @@ describe("serializeBracket", () => {
 		expect(serialized.data.group).toEqual(bracket.data.group);
 	});
 });
+
+describe("evictStaleRunningTournaments", () => {
+	beforeEach(() => {
+		RunningTournaments.clear();
+	});
+
+	const tournamentStarted = ({
+		startsAt,
+		bracketStartedAt,
+		nextBracketStartsAt,
+	}: {
+		startsAt: Date;
+		bracketStartedAt: Date;
+		/** Schedules a follow-up bracket, as a tournament running over several days has. */
+		nextBracketStartsAt?: Date;
+	}) => {
+		const data = Engine.create({
+			type: "swiss",
+			seeding: [1, 2],
+			settings: {},
+		});
+
+		return testTournament({
+			data: {
+				...data,
+				stage: data.stage.map((stage) => ({
+					...stage,
+					createdAt: dateToDatabaseTimestamp(bracketStartedAt),
+				})),
+			},
+			ctx: {
+				startsAt: dateToDatabaseTimestamp(startsAt),
+				settings: {
+					bracketProgression: nextBracketStartsAt
+						? [
+								...progressions.swissOneGroup,
+								{
+									...progressions.roundRobinToSingleElimination[1],
+									startTime: dateToDatabaseTimestamp(nextBracketStartsAt),
+								},
+							]
+						: progressions.swissOneGroup,
+				},
+			},
+		});
+	};
+
+	test("keeps a tournament whose bracket was actually started recently despite an old scheduled start", () => {
+		RunningTournaments.add(
+			tournamentStarted({
+				startsAt: subHours(new Date(), 24),
+				bracketStartedAt: subMinutes(new Date(), 5),
+			}),
+		);
+
+		evictStaleRunningTournaments();
+
+		expect(RunningTournaments.has(1)).toBe(true);
+	});
+
+	test("evicts a tournament whose every start is older than the liveness window", () => {
+		RunningTournaments.add(
+			tournamentStarted({
+				startsAt: subHours(new Date(), 24),
+				bracketStartedAt: subHours(new Date(), 7),
+			}),
+		);
+
+		evictStaleRunningTournaments();
+
+		expect(RunningTournaments.has(1)).toBe(false);
+	});
+
+	test("keeps a long paused tournament whose next bracket's check-in has opened", () => {
+		RunningTournaments.add(
+			tournamentStarted({
+				startsAt: subHours(new Date(), 24),
+				bracketStartedAt: subHours(new Date(), 7),
+				nextBracketStartsAt: addMinutes(new Date(), 30),
+			}),
+		);
+
+		evictStaleRunningTournaments();
+
+		expect(RunningTournaments.has(1)).toBe(true);
+	});
+
+	test("evicts it again while that bracket's check-in has yet to open", () => {
+		RunningTournaments.add(
+			tournamentStarted({
+				startsAt: subHours(new Date(), 24),
+				bracketStartedAt: subHours(new Date(), 7),
+				nextBracketStartsAt: addHours(new Date(), 5),
+			}),
+		);
+
+		evictStaleRunningTournaments();
+
+		expect(RunningTournaments.has(1)).toBe(false);
+	});
+});
diff --git a/app/features/tournament-bracket/core/Tournament.server.ts b/app/features/tournament-bracket/core/Tournament.server.ts
index 3b50431af..3ea51c83b 100644
--- a/app/features/tournament-bracket/core/Tournament.server.ts
+++ b/app/features/tournament-bracket/core/Tournament.server.ts
@@ -6,8 +6,10 @@ import {
 	getUser,
 	requireUser,
 } from "~/features/auth/core/user.server";
+import * as ChatSystemMessage from "~/features/chat/ChatSystemMessage.server";
 import { clearCombinedStreamsCache } from "~/features/core/streams/streams.server";
 import * as TournamentRepository from "~/features/tournament/TournamentRepository.server";
+import { TOURNAMENT } from "~/features/tournament/tournament-constants";
 import * as BracketRepository from "~/features/tournament-bracket/BracketRepository.server";
 import { getTentativeTier } from "~/features/tournament-organization/core/tentativeTiers.server";
 import { LRUCache } from "~/modules/cache";
@@ -273,6 +275,21 @@ export async function tournamentFromDB(tournamentId: number) {
 	return tournament;
 }
 
+/**
+ * Prompts the users' clients to refetch their header status after a change to the tournament.
+ * Fills the (just cleared) cache and syncs the registry from that one rebuild so the refetch
+ * reads post-change state and the revalidation that follows the action finds a warm cache.
+ */
+export async function notifyTournamentStatusChanged(
+	tournamentId: number,
+	userIds: number[],
+) {
+	if (userIds.length === 0) return;
+
+	syncTournamentToRegistry(await tournamentSharedCached(tournamentId));
+	ChatSystemMessage.notifyStatusChanged(userIds);
+}
+
 const TOURNAMENT_DATA_CACHE_MAX_ENTRIES = 250;
 const TOURNAMENT_DATA_CACHE_TTL_MS = IN_MILLISECONDS.HALF_HOUR;
 
@@ -310,6 +327,13 @@ export async function tournamentSharedCached(tournamentId: number) {
 		entry.tournament = new Tournament(notFoundIfNullish(await entry.data));
 	}
 
+	if (
+		!RunningTournaments.has(tournamentId) &&
+		hasImminentBracket(entry.tournament)
+	) {
+		syncTournamentToRegistry(entry.tournament);
+	}
+
 	return entry.tournament;
 }
 
@@ -508,15 +532,39 @@ function mostRecentStartTime(tournament: Tournament) {
 		.filter((b) => b.startTime)
 		.map((b) => databaseTimestampToDate(b.startTime!));
 
-	const allStartTimes = [tournament.ctx.startsAt, ...bracketStartTimes];
+	// a bracket actually starting keeps the tournament live even when it was
+	// never scheduled, or the schedule has long slipped
+	const actualBracketStartTimes = tournament.brackets
+		.filter((bracket) => !bracket.preview && bracket.createdAt)
+		.map((bracket) => databaseTimestampToDate(bracket.createdAt!));
+
+	const allStartTimes = [
+		tournament.ctx.startsAt,
+		...bracketStartTimes,
+		...actualBracketStartTimes,
+	];
 
 	return allStartTimes
 		.filter((t) => t <= new Date())
 		.sort((a, b) => b.getTime() - a.getTime())[0];
 }
 
+/** A scheduled bracket the tournament is about to resume with, e.g. day 2 of a two day event once its check-in opens. */
+function hasImminentBracket(tournament: Tournament) {
+	const opensAt = new Date(Date.now() + TOURNAMENT.REGULAR_CHECK_IN_WINDOW_MS);
+
+	return tournament.ctx.settings.bracketProgression.some((bracket) => {
+		if (!bracket.startTime) return false;
+
+		const startTime = databaseTimestampToDate(bracket.startTime);
+
+		return startTime > new Date() && startTime <= opensAt;
+	});
+}
+
 function isTournamentLive(tournament: Tournament) {
 	if (!tournament.hasStarted || tournament.everyBracketOver) return false;
+	if (hasImminentBracket(tournament)) return true;
 
 	const cutoff = sub(new Date(), { hours: RUNNING_TOURNAMENT_MAX_AGE_HOURS });
 	const latestStartTime = mostRecentStartTime(tournament);
diff --git a/app/features/tournament-bracket/core/Tournament.test.ts b/app/features/tournament-bracket/core/Tournament.test.ts
index b5f92cda5..efce77e2b 100644
--- a/app/features/tournament-bracket/core/Tournament.test.ts
+++ b/app/features/tournament-bracket/core/Tournament.test.ts
@@ -1,9 +1,11 @@
+import { addMinutes } from "date-fns";
 import { describe, expect, test } from "vitest";
 import type {
 	BracketData,
 	GeneratedRound,
 	MatchData,
 } from "~/features/tournament-bracket/core/engine/types";
+import { dateToDatabaseTimestamp } from "~/utils/dates";
 import { unwrap } from "~/utils/result";
 import * as Engine from "./engine";
 import type * as Progression from "./Progression";
@@ -605,6 +607,47 @@ describe("teamMemberOfProgressStatus in swiss", () => {
 	});
 });
 
+describe("teamMemberOfProgressStatus with a follow-up bracket check-in", () => {
+	const teamsWithMembers = [1, 2, 3, 4].map((teamId) =>
+		tournamentCtxTeam(teamId, { memberUserIds: [100 + teamId] }),
+	);
+
+	const progressionStartingIn = (
+		minutes: number,
+	): Progression.ParsedBracket[] => [
+		{
+			...progressions.swissEarlyAdvance[0],
+		},
+		{
+			...progressions.swissEarlyAdvance[1],
+			requiresCheckIn: true,
+			startTime: dateToDatabaseTimestamp(addMinutes(new Date(), minutes)),
+		},
+	];
+
+	const progressStatusWithFollowUpIn = (minutes: number) => {
+		const bracketProgression = progressionStartingIn(minutes);
+
+		return testTournament({
+			data: playOutEarlyAdvanceSwiss(bracketProgression),
+			ctx: { settings: { bracketProgression }, teams: teamsWithMembers },
+		}).teamMemberOfProgressStatus({ id: 101 });
+	};
+
+	test("asks for the check-in once the bracket's check-in has opened", () => {
+		expect(progressStatusWithFollowUpIn(30)).toEqual({
+			type: "CHECKIN",
+			bracketIdx: 1,
+		});
+	});
+
+	test("waits for the bracket while its check-in has yet to open", () => {
+		expect(progressStatusWithFollowUpIn(3 * 60)?.type).toBe(
+			"WAITING_FOR_BRACKET",
+		);
+	});
+});
+
 describe("Swiss early advance bracket sourcing", () => {
 	const progressionWithConsolation: Progression.ParsedBracket[] = [
 		{
diff --git a/app/features/tournament-bracket/core/Tournament.ts b/app/features/tournament-bracket/core/Tournament.ts
index 6561bfacc..68027fbb7 100644
--- a/app/features/tournament-bracket/core/Tournament.ts
+++ b/app/features/tournament-bracket/core/Tournament.ts
@@ -960,7 +960,9 @@ export class Tournament {
 
 	get regularCheckInStartsAt() {
 		// elapsed time math so the window stays one hour long across a DST transition
-		return new Date(this.ctx.startsAt.getTime() - 60 * 60 * 1000);
+		return new Date(
+			this.ctx.startsAt.getTime() - TOURNAMENT.REGULAR_CHECK_IN_WINDOW_MS,
+		);
 	}
 
 	get regularCheckInEndsAt() {
@@ -1240,10 +1242,14 @@ export class Tournament {
 			} as const;
 		}
 
-		for (const [bracketIdx, bracket] of this.brackets.entries()) {
-			if (bracket.teamsPendingCheckIn?.includes(team.id)) {
-				return { type: "CHECKIN", bracketIdx } as const;
-			}
+		for (const bracketIdx of this.ctx.settings.bracketProgression.keys()) {
+			const bracket = this.bracketMetaByIdx(bracketIdx);
+			if (!bracket?.teamsPendingCheckIn?.includes(team.id)) continue;
+
+			// a follow-up bracket's check-in only opens an hour before it starts
+			return this.canCheckInToBracket(bracketIdx, user)
+				? ({ type: "CHECKIN", bracketIdx } as const)
+				: ({ type: "WAITING_FOR_BRACKET" } as const);
 		}
 
 		for (const bracket of startedBrackets) {
diff --git a/app/features/tournament-bracket/core/tests/test-utils.ts b/app/features/tournament-bracket/core/tests/test-utils.ts
index bc35aa250..e748652e0 100644
--- a/app/features/tournament-bracket/core/tests/test-utils.ts
+++ b/app/features/tournament-bracket/core/tests/test-utils.ts
@@ -1,4 +1,5 @@
 import * as R from "remeda";
+import * as Engine from "~/features/tournament-bracket/core/engine";
 import type { BracketData } from "~/features/tournament-bracket/core/engine/types";
 import type * as Progression from "../Progression";
 import { Tournament } from "../Tournament";
@@ -122,6 +123,50 @@ export const testTournament = ({
 	});
 };
 
+/** A started swiss tournament of two teams with their first match ongoing, optionally locked for a cast. */
+export const runningTournamentWithMatch = ({
+	tournamentId,
+	teamOneUserIds,
+	teamTwoUserIds,
+	isLeague,
+	lockFirstMatchForCast,
+}: {
+	tournamentId: number;
+	teamOneUserIds: number[];
+	teamTwoUserIds: number[];
+	isLeague?: boolean;
+	lockFirstMatchForCast?: boolean;
+}) => {
+	const data = Engine.create({
+		type: "swiss",
+		seeding: [1, 2],
+		settings: {},
+	});
+
+	return testTournament({
+		data,
+		ctx: {
+			id: tournamentId,
+			settings: {
+				bracketProgression: progressions.swissOneGroup,
+				isLeague,
+			},
+			castedMatchesInfo: lockFirstMatchForCast
+				? {
+						lockedMatches: [
+							{ matchId: data.match[0].id, twitchAccount: "test" },
+						],
+						castedMatches: [],
+					}
+				: null,
+			teams: [
+				tournamentCtxTeam(1, { memberUserIds: teamOneUserIds }),
+				tournamentCtxTeam(2, { memberUserIds: teamTwoUserIds }),
+			],
+		},
+	});
+};
+
 /** Combines brackets into one tournament's data, offsetting local ids the way the database does on adding a stage. */
 export const mergeStages = (...brackets: BracketData[]): BracketData => {
 	const merged: BracketData = { stage: [], group: [], round: [], match: [] };
diff --git a/app/features/tournament-bracket/loaders/to.$id.brackets.server.ts b/app/features/tournament-bracket/loaders/to.$id.brackets.server.ts
index 4550ea5f5..a45f4a31a 100644
--- a/app/features/tournament-bracket/loaders/to.$id.brackets.server.ts
+++ b/app/features/tournament-bracket/loaders/to.$id.brackets.server.ts
@@ -1,6 +1,5 @@
 import { type LoaderFunctionArgs, redirect } from "react-router";
 import { resolveNotifications } from "~/features/notifications/core/resolve.server";
-import * as TournamentTeamRepository from "~/features/tournament/TournamentTeamRepository.server";
 import type { SerializeFrom } from "~/utils/remix";
 import { tournamentDivisionsPage } from "~/utils/urls";
 import type { Bracket } from "../core/Bracket";
@@ -50,8 +49,6 @@ export const loader = async ({ params, request }: LoaderFunctionArgs) => {
 		});
 	}
 
-	const ownedTeam = tournament.ownedTeamByUser(user);
-
 	return {
 		bracketIdx,
 		divisionIdx,
@@ -62,12 +59,9 @@ export const loader = async ({ params, request }: LoaderFunctionArgs) => {
 					groupId: bracket.preview ? null : groupId,
 				})
 			: null,
-		// the invite link of the add subs popover, only the team's own captain sees it
-		ownTeamInviteCode: ownedTeam
-			? await TournamentTeamRepository.findInviteCodeById(ownedTeam.id)
-			: null,
 		// the layout does not ship these, standings derived in the view need them
 		participatedUserIds: tournament.participatedUserIds,
+		// only its bracket check-in is acted on here, the header status indicator covers the rest
 		teamProgressStatus: tournament.teamMemberOfProgressStatus(user),
 		// the match cards' LIVE badges need these, also not shipped by the layout
 		streams: tournament.streams,
diff --git a/app/features/tournament-bracket/routes/to.$id.brackets.module.css b/app/features/tournament-bracket/routes/to.$id.brackets.module.css
index f58b7a0bb..7f3bc958f 100644
--- a/app/features/tournament-bracket/routes/to.$id.brackets.module.css
+++ b/app/features/tournament-bracket/routes/to.$id.brackets.module.css
@@ -6,9 +6,6 @@
 }
 
 .compactifyButton {
-	font-size: var(--font-2xs);
 	color: var(--color-text-high);
-	border-color: var(--color-bg-higher);
-	background-color: var(--color-bg);
-	border-radius: var(--radius-box);
+	white-space: nowrap;
 }
diff --git a/app/features/tournament-bracket/routes/to.$id.brackets.tsx b/app/features/tournament-bracket/routes/to.$id.brackets.tsx
index 8504219a8..59fd12d8d 100644
--- a/app/features/tournament-bracket/routes/to.$id.brackets.tsx
+++ b/app/features/tournament-bracket/routes/to.$id.brackets.tsx
@@ -7,7 +7,6 @@ import {
 	ShieldMinus,
 	ShieldPlus,
 	Stamp,
-	UserPlus,
 } from "lucide-react";
 import * as React from "react";
 import { ErrorBoundary } from "react-error-boundary";
@@ -19,7 +18,6 @@ import {
 	useOutletContext,
 } from "react-router";
 import { Alert } from "~/components/Alert";
-import { Divider } from "~/components/Divider";
 import { LinkButton, SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
 import {
@@ -28,7 +26,6 @@ import {
 	SendouTabPanel,
 	SendouTabs,
 } from "~/components/elements/Tabs";
-import { InviteLinkInput } from "~/components/InviteLinkInput";
 import { LocaleTimeRange } from "~/components/LocaleTimeRange";
 import { useUser } from "~/features/auth/core/user";
 import { useTopicRevalidation } from "~/features/chat/chat-hooks";
@@ -37,12 +34,10 @@ import {
 	TournamentProvider,
 	useTournament,
 } from "~/features/tournament/tournament-context";
-import { tournamentJoinPage } from "~/features/tournament/tournament-urls";
 import { useHydrated } from "~/hooks/useHydrated";
 import { useIsomorphicLayoutEffect } from "~/hooks/useIsomorphicLayoutEffect";
 import { useSearchParam } from "~/modules/search-params/hooks";
 import type { SendouRouteHandle } from "~/utils/remix.server";
-import { SENDOU_INK_BASE_URL } from "~/utils/urls";
 import {
 	useBracketExpanded,
 	useTournamentPreparedMaps,
@@ -50,8 +45,8 @@ import {
 import { action } from "../actions/to.$id.brackets.server";
 import { Bracket } from "../components/Bracket";
 import { useBracketSpoilerCensor } from "../components/Bracket/useBracketSpoilerCensor";
+import { BracketCheckIn } from "../components/BracketCheckIn";
 import { BracketMapListDialog } from "../components/BracketMapListDialog";
-import { TournamentTeamActions } from "../components/TournamentTeamActions";
 import * as AbDivisions from "../core/AbDivisions";
 import type { Bracket as BracketType } from "../core/Bracket";
 import * as PreparedMaps from "../core/PreparedMaps";
@@ -122,13 +117,11 @@ function TournamentBracketsView() {
 		!tournament.ctx.isFinalized,
 	);
 
-	const teamProgressStatus = data.teamProgressStatus;
-	const showAddSubsButton =
-		!tournament.canFinalize(user) &&
-		!tournament.everyBracketOver &&
-		tournament.hasStarted &&
-		tournament.autonomousSubs &&
-		teamProgressStatus?.type !== "THANKS_FOR_PLAYING";
+	const bracketCheckInIdx =
+		data.teamProgressStatus?.type === "CHECKIN" &&
+		typeof data.teamProgressStatus.bracketIdx === "number"
+			? data.teamProgressStatus.bracketIdx
+			: null;
 
 	const {
 		censored,
@@ -137,8 +130,6 @@ function TournamentBracketsView() {
 		hide: hideSpoiler,
 	} = useBracketSpoilerCensor();
 
-	const showTeamActionsRow =
-		(!tournament.isLeague && Boolean(teamProgressStatus)) || showAddSubsButton;
 	const showSecondaryActionsRow =
 		tournament.canFinalize(user) || censored || canToggle;
 
@@ -220,13 +211,9 @@ function TournamentBracketsView() {
 	return (
 		<div>
 			<Outlet context={ctx} />
-			{showTeamActionsRow ? (
-				<div className="stack horizontal mb-4 sm justify-between items-center">
-					{/** TournamentTeamActions more confusing than helpful for leagues, for example might say "Waiting for match..." when previous match was rescheduled  */}
-					{!tournament.isLeague ? (
-						<TournamentTeamActions status={teamProgressStatus} />
-					) : null}
-					{showAddSubsButton ? <AddSubsPopOver /> : null}
+			{bracketCheckInIdx !== null ? (
+				<div className="stack horizontal mb-4 items-center">
+					<BracketCheckIn bracketIdx={bracketCheckInIdx} />
 				</div>
 			) : null}
 			{showSecondaryActionsRow ? (
@@ -253,6 +240,7 @@ function TournamentBracketsView() {
 				</div>
 			) : null}
 			<BracketTabs
+				loadedBracket={bracket}
 				loadedBracketIdx={data.bracketIdx}
 				divisionIdx={data.divisionIdx}
 			>
@@ -432,73 +420,17 @@ function MapPreparer({
 	);
 }
 
-function AddSubsPopOver() {
-	const { t } = useTranslation(["common", "tournament"]);
-	const tournament = useTournament();
-	const user = useUser();
-	const data = useLoaderData<TournamentBracketsLoaderData>();
-
-	const ownedTeam = tournament.ownedTeamByUser(user);
-	if (!ownedTeam || !data.ownTeamInviteCode) {
-		const teamMemberOf = tournament.teamMemberOfByUser(user);
-		if (!teamMemberOf) return null;
-
-		return <SubsPopover>Only team captain or a TO can add subs</SubsPopover>;
-	}
-
-	const subsAvailableToAdd =
-		tournament.maxMembersPerTeam - ownedTeam.memberUserIds.length;
-
-	const inviteLink = `${SENDOU_INK_BASE_URL}${tournamentJoinPage({
-		tournamentId: tournament.ctx.id,
-		inviteCode: data.ownTeamInviteCode,
-	})}`;
-
-	return (
-		<SubsPopover>
-			{t("tournament:actions.sub.prompt", { count: subsAvailableToAdd })}
-			{subsAvailableToAdd > 0 ? (
-				<>
-					<Divider className="my-2" />
-					<InviteLinkInput link={inviteLink} />
-				</>
-			) : null}
-		</SubsPopover>
-	);
-}
-
-function SubsPopover({ children }: { children: React.ReactNode }) {
-	const { t } = useTranslation(["tournament"]);
-
-	return (
-		<SendouPopover
-			popoverClassName="text-xs"
-			trigger={
-				<SendouButton
-					className="ml-auto"
-					variant="outlined"
-					size="small"
-					icon={<UserPlus />}
-					data-testid="add-sub-button"
-				>
-					{t("tournament:actions.addSub")}
-				</SendouButton>
-			}
-		>
-			{children}
-		</SendouPopover>
-	);
-}
-
 /**
  * Only the bracket the loader shipped is rendered; switching navigates to load the new one, the previous
  * staying up until it arrives. A league switches only within the loader's division.
  */
 function BracketTabs({
+	loadedBracket,
 	loadedBracketIdx,
 	divisionIdx,
 	children,
 }: {
+	loadedBracket: BracketType | null;
 	loadedBracketIdx: number;
 	divisionIdx: number | null;
 	children: React.ReactNode;
@@ -510,12 +442,18 @@ function BracketTabs({
 
 	const bracketNameForTab = (name: string) => name.replace("bracket", "");
 
+	const canCompactify =
+		loadedBracket &&
+		loadedBracket.type !== "round_robin" &&
+		!loadedBracket.preview &&
+		tournament.bracketsMeta[loadedBracketIdx].enoughTeams;
+
 	return (
 		<SendouTabs
 			selectedKey={String(loadedBracketIdx)}
 			onSelectionChange={(key) => setIdxParam(Number(key))}
 		>
-			<SendouTabList>
+			<SendouTabList actions={canCompactify ? <CompactifyButton /> : null}>
 				{visibleBrackets.map((bracket) => (
 					<SendouTab
 						key={bracket.name}
@@ -556,11 +494,6 @@ function BracketTabContent({
 			<PrepareMapsButton bracket={bracket} bracketIdx={bracketIdx} />
 			{tournament.bracketsMeta[bracketIdx].enoughTeams ? (
 				<>
-					{bracket.type !== "round_robin" && !bracket.preview ? (
-						<div className="stack horizontal sm mb-4">
-							<CompactifyButton />
-						</div>
-					) : null}
 					<StartBracketAlert bracket={bracket} bracketIdx={bracketIdx} />
 					<Bracket
 						bracket={bracket}
@@ -730,6 +663,8 @@ function CompactifyButton() {
 			onClick={() => {
 				setBracketExpanded(!bracketExpanded);
 			}}
+			variant="minimal"
+			size="miniscule"
 			className={styles.compactifyButton}
 			icon={bracketExpanded ? <EyeOff /> : <Eye />}
 		>
diff --git a/app/features/tournament-match/actions/to.$id.matches.$mid.server.ts b/app/features/tournament-match/actions/to.$id.matches.$mid.server.ts
index 52b489a08..804ef8b86 100644
--- a/app/features/tournament-match/actions/to.$id.matches.$mid.server.ts
+++ b/app/features/tournament-match/actions/to.$id.matches.$mid.server.ts
@@ -97,6 +97,7 @@ export const action: ActionFunction = async ({ params, request }) => {
 	// lets broadcast receivers skip revalidating the tournament layout and root loaders
 	let onlyMatchResultsChanged = false;
 	let setIsOver = false;
+	let emitStatusUpdate = false;
 	let endedDroppedMatchIds: number[] = [];
 	let followingMatchIds: number[] = [];
 
@@ -515,6 +516,7 @@ export const action: ActionFunction = async ({ params, request }) => {
 
 			emitMatchUpdate = true;
 			emitTournamentUpdate = true;
+			emitStatusUpdate = true;
 
 			break;
 		}
@@ -561,6 +563,7 @@ export const action: ActionFunction = async ({ params, request }) => {
 			});
 
 			emitMatchUpdate = true;
+			emitStatusUpdate = true;
 
 			break;
 		}
@@ -576,6 +579,7 @@ export const action: ActionFunction = async ({ params, request }) => {
 			});
 
 			emitMatchUpdate = true;
+			emitStatusUpdate = true;
 
 			break;
 		}
@@ -676,12 +680,28 @@ export const action: ActionFunction = async ({ params, request }) => {
 	clearTournamentDataCache(tournamentId);
 
 	// refresh RunningTournaments so the sidebar doesn't show stale matches while the TO delays finalizing
-	if (setIsOver) {
+	if (setIsOver || emitStatusUpdate) {
 		const refreshedTournament = await tournamentFromDB(tournamentId);
-		// teams just advanced into following matches: their "waiting for teams" pages revalidate too
-		followingMatchIds = refreshedTournament
-			.followingMatches(match.id)
-			.map((followingMatch) => followingMatch.id);
+		const followingMatches = refreshedTournament.followingMatches(match.id);
+
+		if (setIsOver) {
+			// teams just advanced into following matches: their "waiting for teams" pages revalidate too
+			followingMatchIds = followingMatches.map(
+				(followingMatch) => followingMatch.id,
+			);
+		}
+
+		ChatSystemMessage.notifyStatusChanged([
+			...match.players.map((player) => player.id),
+			...followingMatches.flatMap((followingMatch) =>
+				[followingMatch.opponent1?.id, followingMatch.opponent2?.id].flatMap(
+					(teamId) =>
+						typeof teamId === "number"
+							? (refreshedTournament.teamById(teamId)?.memberUserIds ?? [])
+							: [],
+				),
+			),
+		]);
 	}
 
 	const revalidateScope = onlyMatchResultsChanged
diff --git a/app/features/tournament-match/routes/to.$id.matches.$mid.test.ts b/app/features/tournament-match/routes/to.$id.matches.$mid.test.ts
index af188c0c7..78d3eea03 100644
--- a/app/features/tournament-match/routes/to.$id.matches.$mid.test.ts
+++ b/app/features/tournament-match/routes/to.$id.matches.$mid.test.ts
@@ -16,6 +16,7 @@ import { action, loader } from "./to.$id.matches.$mid";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	sendPersisted: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 	notifyRoomsChangedByRoomIds: vi.fn(),
diff --git a/app/features/tournament/TournamentRepository.server.ts b/app/features/tournament/TournamentRepository.server.ts
index 370b833bf..4001b6395 100644
--- a/app/features/tournament/TournamentRepository.server.ts
+++ b/app/features/tournament/TournamentRepository.server.ts
@@ -32,6 +32,7 @@ import { nullFilledArray, nullifyingAvg } from "~/utils/arrays";
 import { databaseTimestampNow, dateToDatabaseTimestamp } from "~/utils/dates";
 import { invariant } from "~/utils/invariant";
 import {
+	calendarEventStartTime,
 	commonUserSelect,
 	concatUserSubmittedImagePrefix,
 	jsonArrayFrom,
@@ -939,6 +940,84 @@ export function findAllBetweenTwoTimestamps({
 		.execute();
 }
 
+/**
+ * Members of teams that have not checked in nor dropped out, for every tournament whose first day starts inside the window.
+ * One row per member per tournament; the caller narrows the window to the check-in period.
+ */
+export function findPendingCheckInsStartingBetween({
+	startsAfter,
+	startsBefore,
+}: {
+	startsAfter: Date;
+	startsBefore: Date;
+}) {
+	return (
+		db
+			.selectFrom("TournamentTeamMember")
+			.innerJoin(
+				"TournamentTeam",
+				"TournamentTeamMember.tournamentTeamId",
+				"TournamentTeam.id",
+			)
+			.innerJoin("Tournament", "TournamentTeam.tournamentId", "Tournament.id")
+			.innerJoin("CalendarEvent", "CalendarEvent.tournamentId", "Tournament.id")
+			.innerJoin(
+				"CalendarEventDate",
+				"CalendarEvent.id",
+				"CalendarEventDate.eventId",
+			)
+			.select((eb) => [
+				"TournamentTeamMember.userId",
+				"Tournament.id as tournamentId",
+				tournamentLogoWithDefault(eb).as("logoUrl"),
+			])
+			// a multi-day tournament checks in before its first day only
+			.where("CalendarEventDate.startsAt", "=", (eb) =>
+				calendarEventStartTime(eb),
+			)
+			.where(
+				"CalendarEventDate.startsAt",
+				">",
+				dateToDatabaseTimestamp(startsAfter),
+			)
+			.where(
+				"CalendarEventDate.startsAt",
+				"<=",
+				dateToDatabaseTimestamp(startsBefore),
+			)
+			.where("CalendarEvent.hidden", "=", 0)
+			.where("Tournament.isFinalized", "=", 0)
+			.where("TournamentTeam.droppedOut", "=", 0)
+			.where(
+				sql<number>`json_extract("Tournament"."settings", '$.isTest')`,
+				"is not",
+				1,
+			)
+			.where(
+				sql<number>`json_extract("Tournament"."settings", '$.isDraft')`,
+				"is not",
+				1,
+			)
+			.where((eb) =>
+				eb.not(
+					eb.exists(
+						eb
+							.selectFrom("TournamentTeamCheckIn")
+							.select("TournamentTeamCheckIn.tournamentTeamId")
+							.whereRef(
+								"TournamentTeamCheckIn.tournamentTeamId",
+								"=",
+								"TournamentTeam.id",
+							)
+							.where("TournamentTeamCheckIn.bracketIdx", "is", null),
+					),
+				),
+			)
+			.orderBy("CalendarEventDate.startsAt")
+			.execute()
+	);
+}
+
 /** `ORGANIZE` and `MANAGE_MATCHES` holders keyed by tournament id, without loading the tournaments themselves. */
 export async function findOrganizerPermissionsByTournamentIds(
 	tournamentIds: number[],
diff --git a/app/features/tournament/actions/to.$id.join.server.ts b/app/features/tournament/actions/to.$id.join.server.ts
index 267290fbc..44176904d 100644
--- a/app/features/tournament/actions/to.$id.join.server.ts
+++ b/app/features/tournament/actions/to.$id.join.server.ts
@@ -5,6 +5,7 @@ import * as ShowcaseTournaments from "~/features/front-page/core/ShowcaseTournam
 import * as TournamentTeamRepository from "~/features/tournament/TournamentTeamRepository.server";
 import {
 	clearTournamentDataCache,
+	notifyTournamentStatusChanged,
 	tournamentFromParams,
 } from "~/features/tournament-bracket/core/Tournament.server";
 import * as TournamentLFGRepository from "~/features/tournament-lfg/TournamentLFGRepository.server";
@@ -92,6 +93,8 @@ export const action: ActionFunction = async ({ params, url }) => {
 
 	clearTournamentDataCache(tournamentId);
 
+	await notifyTournamentStatusChanged(tournamentId, [user.id]);
+
 	throw redirect(
 		tournament.registrationOpen
 			? tournamentRegisterPage(leanTeam.tournamentId)
diff --git a/app/features/tournament/actions/to.$id.register.server.ts b/app/features/tournament/actions/to.$id.register.server.ts
index a38914ddd..15d38d621 100644
--- a/app/features/tournament/actions/to.$id.register.server.ts
+++ b/app/features/tournament/actions/to.$id.register.server.ts
@@ -8,11 +8,13 @@ import { resolveNotifications } from "~/features/notifications/core/resolve.serv
 import * as SQGroupRepository from "~/features/sendouq/SQGroupRepository.server";
 import * as TeamRepository from "~/features/team/TeamRepository.server";
 import { getMemberRoleType } from "~/features/team/team-utils";
+import * as PendingCheckIns from "~/features/tournament/core/PendingCheckIns.server";
 import * as SavedCalendarEventRepository from "~/features/tournament/SavedCalendarEventRepository.server";
 import * as TournamentTeamRepository from "~/features/tournament/TournamentTeamRepository.server";
 import type { Tournament } from "~/features/tournament-bracket/core/Tournament";
 import {
 	clearTournamentDataCache,
+	notifyTournamentStatusChanged,
 	tournamentFromParams,
 	tournamentTeamsFullCached,
 } from "~/features/tournament-bracket/core/Tournament.server";
@@ -59,6 +61,7 @@ export const action: ActionFunction = async ({ request, params }) => {
 	);
 
 	const ownTeamCheckedIn = Boolean(ownTeam && ownTeam.checkIns.length > 0);
+	let statusChangedUserIds: number[] = [];
 
 	switch (data._action) {
 		case "UPSERT_TEAM": {
@@ -147,6 +150,11 @@ export const action: ActionFunction = async ({ request, params }) => {
 					userId: user.id,
 				});
 				await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
+
+				// registration and check-in windows overlap, so a fresh registrant can
+				// already be pending check-in
+				PendingCheckIns.clearCache();
+				statusChangedUserIds = [user.id];
 			}
 			break;
 		}
@@ -180,6 +188,9 @@ export const action: ActionFunction = async ({ request, params }) => {
 				userId: data.userId,
 			});
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
+
+			PendingCheckIns.clearCache();
+			statusChangedUserIds = [data.userId];
 			break;
 		}
 		case "LEAVE_TEAM": {
@@ -215,6 +226,9 @@ export const action: ActionFunction = async ({ request, params }) => {
 			});
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
 
+			PendingCheckIns.clearCache();
+			statusChangedUserIds = [user.id];
+
 			break;
 		}
 		case "UPDATE_MAP_POOL": {
@@ -260,6 +274,7 @@ export const action: ActionFunction = async ({ request, params }) => {
 			);
 
 			await TournamentTeamRepository.checkIn(teamMemberOf.id);
+			PendingCheckIns.clearCache();
 			logger.info(
 				`Checking in (success): tournament team id: ${teamMemberOf.id} - user id: ${user.id} - tournament id: ${tournamentId}`,
 			);
@@ -269,6 +284,8 @@ export const action: ActionFunction = async ({ request, params }) => {
 				type: "TO_CHECK_IN_OPENED",
 				meta: { tournamentId },
 			});
+
+			statusChangedUserIds = teamMemberOf.memberUserIds;
 			break;
 		}
 		case "ADD_PLAYER": {
@@ -419,6 +436,9 @@ export const action: ActionFunction = async ({ request, params }) => {
 			}
 			await ShowcaseTournaments.refreshCachedTournamentCounts(tournamentId);
 
+			PendingCheckIns.clearCache();
+			statusChangedUserIds = ownTeam.memberUserIds;
+
 			break;
 		}
 		default: {
@@ -428,6 +448,8 @@ export const action: ActionFunction = async ({ request, params }) => {
 
 	clearTournamentDataCache(tournamentId);
 
+	await notifyTournamentStatusChanged(tournamentId, statusChangedUserIds);
+
 	return null;
 };
 
diff --git a/app/features/tournament/core/PendingCheckIns.server.ts b/app/features/tournament/core/PendingCheckIns.server.ts
new file mode 100644
index 000000000..e90f1eb12
--- /dev/null
+++ b/app/features/tournament/core/PendingCheckIns.server.ts
@@ -0,0 +1,59 @@
+import cachified from "@epic-web/cachified";
+import * as TournamentRepository from "~/features/tournament/TournamentRepository.server";
+import { cache, ttl } from "~/utils/cache.server";
+import { TOURNAMENT } from "../tournament-constants";
+
+const CACHE_KEY = "pending-check-ins";
+const CACHE_TTL_MS = 60 * 1000;
+
+export interface PendingCheckIn {
+	tournamentId: number;
+	logoUrl: string;
+}
+
+/**
+ * The tournament the user has to check in to right now, null when none has
+ * check-in open. Cached site-wide rather than resolved per user: the header
+ * asks on every page load, while the answer only moves as tournaments approach
+ * their start.
+ */
+export async function byUserId(userId: number): Promise<PendingCheckIn | null> {
+	return (await cachedByUserId()).get(userId) ?? null;
+}
+
+/** Drops the cache so a team checking in (or out) shows in the header without waiting out the TTL. */
+export function clearCache() {
+	cache.delete(CACHE_KEY);
+}
+
+function cachedByUserId() {
+	return cachified({
+		key: CACHE_KEY,
+		cache,
+		ttl: ttl(CACHE_TTL_MS),
+		getFreshValue: resolveByUserId,
+	});
+}
+
+async function resolveByUserId() {
+	const now = new Date();
+	const rows = await TournamentRepository.findPendingCheckInsStartingBetween({
+		startsAfter: now,
+		startsBefore: new Date(
+			now.getTime() + TOURNAMENT.REGULAR_CHECK_IN_WINDOW_MS,
+		),
+	});
+
+	const result = new Map<number, PendingCheckIn>();
+	// rows come in start time order, so the soonest tournament wins a double booking
+	for (const row of rows) {
+		if (result.has(row.userId)) continue;
+
+		result.set(row.userId, {
+			tournamentId: row.tournamentId,
+			logoUrl: row.logoUrl,
+		});
+	}
+
+	return result;
+}
diff --git a/app/features/tournament/loaders/to.$id.teams.$tid.server.ts b/app/features/tournament/loaders/to.$id.teams.$tid.server.ts
index f1ad165c2..37bf85a6f 100644
--- a/app/features/tournament/loaders/to.$id.teams.$tid.server.ts
+++ b/app/features/tournament/loaders/to.$id.teams.$tid.server.ts
@@ -1,4 +1,5 @@
 import type { LoaderFunctionArgs } from "react-router";
+import type { Tournament } from "~/features/tournament-bracket/core/Tournament";
 import {
 	tournamentDataCached,
 	tournamentFromParams,
@@ -11,6 +12,7 @@ import type { SerializeFrom } from "~/utils/remix";
 import { parseParams } from "~/utils/remix.server";
 import * as Standings from "../core/Standings";
 import { type AllRoundsItem, tournamentTeamSets } from "../core/sets.server";
+import * as TournamentTeamRepository from "../TournamentTeamRepository.server";
 
 export type TournamentTeamLoaderData = SerializeFrom<typeof loader>;
 
@@ -62,6 +64,10 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 	return {
 		tournamentTeamId,
 		team,
+		// the invite link of the add sub popover, only the team's own captain gets it
+		subInviteCode: canAddSubs(fullTournament, tournamentTeamId, user)
+			? await TournamentTeamRepository.findInviteCodeById(tournamentTeamId)
+			: null,
 		activePlayers:
 			sets.length > 0
 				? fullTournament.participatedPlayerUserIdsByTeamId(tournamentTeamId)
@@ -98,3 +104,18 @@ export const loader = async ({ params }: LoaderFunctionArgs) => {
 				: undefined,
 	};
 };
+
+function canAddSubs(
+	tournament: Tournament,
+	tournamentTeamId: number,
+	user: { id: number } | undefined,
+) {
+	if (tournament.ownedTeamByUser(user)?.id !== tournamentTeamId) return false;
+
+	return (
+		tournament.hasStarted &&
+		!tournament.everyBracketOver &&
+		tournament.autonomousSubs &&
+		tournament.teamMemberOfProgressStatus(user)?.type !== "THANKS_FOR_PLAYING"
+	);
+}
diff --git a/app/features/tournament/routes/to.$id.teams.$tid.tsx b/app/features/tournament/routes/to.$id.teams.$tid.tsx
index 6b43806d5..1cccd9a6a 100644
--- a/app/features/tournament/routes/to.$id.teams.$tid.tsx
+++ b/app/features/tournament/routes/to.$id.teams.$tid.tsx
@@ -1,11 +1,13 @@
 import clsx from "clsx";
-import { HardDriveDownload } from "lucide-react";
+import { HardDriveDownload, UserPlus } from "lucide-react";
 import { useTranslation } from "react-i18next";
 import type { MetaFunction } from "react-router";
 import { Link, useFetcher, useLoaderData } from "react-router";
+import { Divider } from "~/components/Divider";
 import { SendouButton } from "~/components/elements/Button";
 import { SendouPopover } from "~/components/elements/Popover";
 import { ModeImage, StageImage } from "~/components/Image";
+import { InviteLinkInput } from "~/components/InviteLinkInput";
 import { Placement } from "~/components/Placement";
 import { UserLink } from "~/components/UserLink";
 import { useUser } from "~/features/auth/core/user";
@@ -15,10 +17,12 @@ import {
 	type TournamentRunGraphicSeriesWin,
 } from "~/features/img-export/components/TournamentRunGraphic";
 import { useTournament } from "~/features/tournament/tournament-context";
+import { tournamentJoinPage } from "~/features/tournament/tournament-urls";
 import type { TournamentTeamFull } from "~/features/tournament-bracket/core/Tournament.server";
 import type { TournamentMaplistSource } from "~/modules/tournament-map-list-generator/types";
 import { metaTags } from "~/utils/remix";
 import {
+	SENDOU_INK_BASE_URL,
 	teamPage,
 	tournamentMatchPage,
 	tournamentTeamCompsPage,
@@ -78,6 +82,9 @@ export default function TournamentTeamPage() {
 						{t("tournament:team.teamPage")}
 					</Link>
 				) : null}
+				{data.subInviteCode ? (
+					<AddSubPopover inviteCode={data.subInviteCode} />
+				) : null}
 			</div>
 			{data.record ? (
 				<StatSquares
@@ -170,6 +177,45 @@ function StatSquares({
 	);
 }
 
+function AddSubPopover({ inviteCode }: { inviteCode: string }) {
+	const { t } = useTranslation(["tournament"]);
+	const tournament = useTournament();
+	const data = useLoaderData<typeof loader>();
+
+	const subsAvailableToAdd =
+		tournament.maxMembersPerTeam - data.team.members.length;
+
+	const inviteLink = `${SENDOU_INK_BASE_URL}${tournamentJoinPage({
+		tournamentId: tournament.ctx.id,
+		inviteCode,
+	})}`;
+
+	return (
+		<SendouPopover
+			popoverClassName="text-xs"
+			trigger={
+				<SendouButton
+					className="mx-auto"
+					variant="outlined"
+					size="small"
+					icon={<UserPlus />}
+					data-testid="add-sub-button"
+				>
+					{t("tournament:actions.addSub")}
+				</SendouButton>
+			}
+		>
+			{t("tournament:actions.sub.prompt", { count: subsAvailableToAdd })}
+			{subsAvailableToAdd > 0 ? (
+				<>
+					<Divider className="my-2" />
+					<InviteLinkInput link={inviteLink} />
+				</>
+			) : null}
+		</SendouPopover>
+	);
+}
+
 function winPercentage(won: number, total: number) {
 	return total === 0 ? 0 : Math.round((won / total) * 100);
 }
diff --git a/app/features/tournament/tournament-constants.ts b/app/features/tournament/tournament-constants.ts
index b639fd783..6aa14b40e 100644
--- a/app/features/tournament/tournament-constants.ts
+++ b/app/features/tournament/tournament-constants.ts
@@ -17,6 +17,8 @@ export const TOURNAMENT = {
 	MAX_SAVED_COUNT: 20,
 	/** How many days after a tournament ends VOD links are shown on the bracket */
 	VOD_VISIBILITY_DAYS: 7,
+	/** How long before the start regular check-in opens, closing when the tournament starts */
+	REGULAR_CHECK_IN_WINDOW_MS: 60 * 60 * 1000,
 	ROUND_NAMES: {
 		WB_FINALS: "WB Finals",
 		GRAND_FINALS: "Grand Finals",
diff --git a/app/features/user-activity/core/UserActivity.server.test.ts b/app/features/user-activity/core/UserActivity.server.test.ts
new file mode 100644
index 000000000..1a5ff300b
--- /dev/null
+++ b/app/features/user-activity/core/UserActivity.server.test.ts
@@ -0,0 +1,128 @@
+import { subHours } from "date-fns";
+import { beforeEach, describe, expect, test, vi } from "vitest";
+import { backdate } from "~/db/seed/core/backdate";
+import * as SQGroupFactory from "~/db/seed/factories/SQGroupFactory";
+import * as UserFactory from "~/db/seed/factories/UserFactory";
+import { refreshSendouQInstance } from "~/features/sendouq/core/SendouQ.server";
+import { RunningTournaments } from "~/features/tournament-bracket/core/RunningTournaments.server";
+import { runningTournamentWithMatch } from "~/features/tournament-bracket/core/tests/test-utils";
+import * as UserActivity from "./UserActivity.server";
+
+const { mockSeasonCurrentOrPrevious } = vi.hoisted(() => ({
+	mockSeasonCurrentOrPrevious: vi.fn(() => ({
+		nth: 1,
+		starts: new Date("2023-01-01"),
+		ends: new Date("2030-12-31"),
+	})),
+}));
+
+vi.mock("~/features/mmr/core/Seasons", () => ({
+	currentOrPrevious: mockSeasonCurrentOrPrevious,
+}));
+
+/** Users are interchangeable here, so tests name them by 1-based position. */
+const users = UserFactory.pool();
+
+describe("UserActivity.resolve", () => {
+	beforeEach(async () => {
+		await users.create(8);
+		RunningTournaments.clear();
+		await refreshSendouQInstance();
+	});
+
+	test("returns empty activity for a user doing nothing", () => {
+		const activity = UserActivity.resolve(users.id(1));
+
+		expect(activity.sendouq).toBeNull();
+		expect(activity.tournaments).toEqual([]);
+	});
+
+	test("resolves the user's SendouQ group with its received like count", async () => {
+		const likerGroup = await SQGroupFactory.create({
+			memberUserIds: [users.id(5)],
+		});
+		const group = await SQGroupFactory.create(
+			{ memberUserIds: [users.id(1), users.id(2)] },
+			{ likedByGroupIds: [likerGroup.id] },
+		);
+		await refreshSendouQInstance();
+
+		const activity = UserActivity.resolve(users.id(1));
+
+		expect(activity.sendouq?.group.id).toBe(group.id);
+		expect(activity.sendouq?.likesReceivedCount).toBe(1);
+		expect(activity.sendouq?.expired).toBe(false);
+	});
+
+	test("a given like does not count as received", async () => {
+		const likerGroup = await SQGroupFactory.create({
+			memberUserIds: [users.id(5)],
+		});
+		await SQGroupFactory.create(
+			{ memberUserIds: [users.id(1)] },
+			{ likedByGroupIds: [likerGroup.id] },
+		);
+		await refreshSendouQInstance();
+
+		expect(UserActivity.resolve(users.id(5)).sendouq?.likesReceivedCount).toBe(
+			0,
+		);
+	});
+
+	test("marks a group inactive for too long as expired", async () => {
+		const group = await SQGroupFactory.create({
+			memberUserIds: [users.id(1)],
+		});
+		await backdate("Group", group.id, {
+			latestActionAt: subHours(new Date(), 2),
+		});
+		await refreshSendouQInstance();
+
+		expect(UserActivity.resolve(users.id(1)).sendouq?.expired).toBe(true);
+	});
+
+	test("resolves running tournament statuses", () => {
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: [users.id(1)],
+				teamTwoUserIds: [users.id(2)],
+			}),
+		);
+
+		const activity = UserActivity.resolve(users.id(1));
+
+		expect(activity.tournaments).toHaveLength(1);
+		expect(activity.tournaments[0].status.type).toBe("MATCH");
+	});
+
+	test("omits leagues, whose matches are not something the user is doing right now", () => {
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: [users.id(1)],
+				teamTwoUserIds: [users.id(2)],
+				isLeague: true,
+			}),
+		);
+
+		expect(UserActivity.resolve(users.id(1)).tournaments).toEqual([]);
+	});
+
+	test("resolves SendouQ and tournament activity at the same time", async () => {
+		await SQGroupFactory.create({ memberUserIds: [users.id(1)] });
+		await refreshSendouQInstance();
+		RunningTournaments.add(
+			runningTournamentWithMatch({
+				tournamentId: 1,
+				teamOneUserIds: [users.id(1)],
+				teamTwoUserIds: [users.id(2)],
+			}),
+		);
+
+		const activity = UserActivity.resolve(users.id(1));
+
+		expect(activity.sendouq).not.toBeNull();
+		expect(activity.tournaments).toHaveLength(1);
+	});
+});
diff --git a/app/features/user-activity/core/UserActivity.server.ts b/app/features/user-activity/core/UserActivity.server.ts
new file mode 100644
index 000000000..b439c8942
--- /dev/null
+++ b/app/features/user-activity/core/UserActivity.server.ts
@@ -0,0 +1,68 @@
+import { groupExpiryStatus } from "~/features/sendouq/core/groups";
+import { SendouQ } from "~/features/sendouq/core/SendouQ.server";
+import { RunningTournaments } from "~/features/tournament-bracket/core/RunningTournaments.server";
+import type {
+	Tournament,
+	TournamentTeamMemberProgressStatus,
+} from "~/features/tournament-bracket/core/Tournament";
+
+export interface UserActivity {
+	/** The user's SendouQ group (never INACTIVE), with its pending received likes and expiry resolved. */
+	sendouq: {
+		group: NonNullable<ReturnType<(typeof SendouQ)["findOwnGroup"]>>;
+		likesReceivedCount: number;
+		expired: boolean;
+	} | null;
+	/** The user's status in every running tournament they are playing, in registry order. Leagues are not activity: their matches run over days, not something the user is doing right now. */
+	tournaments: Array<{
+		tournament: Tournament;
+		status: TournamentTeamMemberProgressStatus;
+	}>;
+}
+
+/**
+ * Resolves everything the user is doing right now (SendouQ + running
+ * tournaments) from in-memory state, no DB reads. The single source shared by
+ * the friends sidebar, the public active-match API and the header status
+ * indicator; each consumer applies its own priority order.
+ */
+export function resolve(userId: number): UserActivity {
+	const group = SendouQ.findOwnGroup(userId);
+
+	return {
+		sendouq: group
+			? {
+					group,
+					likesReceivedCount: SendouQ.likesReceivedCount(group.id),
+					expired: groupExpiryStatus(group.latestActionAt) === "EXPIRED",
+				}
+			: null,
+		tournaments: RunningTournaments.all.flatMap((tournament) => {
+			if (tournament.isLeague) return [];
+
+			const status = tournament.teamMemberOfProgressStatus({ id: userId });
+
+			return status ? [{ tournament, status }] : [];
+		}),
+	};
+}
+
+/**
+ * Whether a tournament progress status counts as "playing right now". CHECKIN
+ * is in-progress for the user themself; the friends projection drops it as a
+ * friend needing to check in is not watchable activity.
+ */
+export const TOURNAMENT_STATUS_IS_IN_PROGRESS: Record<
+	TournamentTeamMemberProgressStatus["type"],
+	boolean
+> = {
+	MATCH: true,
+	WAITING_FOR_MATCH: true,
+	WAITING_FOR_CAST: true,
+	WAITING_FOR_ROUND: true,
+	WAITING_FOR_GROUPS: true,
+	CHECKIN: true,
+	// to counter 2 day tournaments showing as in progress in between
+	WAITING_FOR_BRACKET: false,
+	THANKS_FOR_PLAYING: false,
+};
diff --git a/app/root.tsx b/app/root.tsx
index 40d434230..71fa3633c 100644
--- a/app/root.tsx
+++ b/app/root.tsx
@@ -39,6 +39,7 @@ import { getUser } from "./features/auth/core/user.server";
 import { userMiddleware } from "./features/auth/core/user-middleware.server";
 import { ChatProvider } from "./features/chat/ChatProvider";
 import { isMatchResultsScopedRevalidation } from "./features/chat/revalidation-scope";
+import { GlobalStatusProvider } from "./features/global-status/GlobalStatusProvider";
 import { getSidenavSession } from "./features/layout/core/sidenav-session.server";
 import { LayoutDataProvider } from "./features/layout/LayoutDataProvider";
 import { NotificationsProvider } from "./features/notifications/NotificationsProvider";
@@ -268,7 +269,9 @@ function Document({
 						<ChatProvider user={rootData?.user}>
 							<NotificationsProvider user={rootData?.user}>
 								<LayoutDataProvider data={rootData}>
-									<Layout data={rootData}>{children}</Layout>
+									<GlobalStatusProvider user={rootData?.user}>
+										<Layout data={rootData}>{children}</Layout>
+									</GlobalStatusProvider>
 								</LayoutDataProvider>
 							</NotificationsProvider>
 						</ChatProvider>
diff --git a/app/routes.ts b/app/routes.ts
index 571fd6f13..537659414 100644
--- a/app/routes.ts
+++ b/app/routes.ts
@@ -343,6 +343,7 @@ export default [
 		"/api/notifications",
 		"features/notifications/routes/api.notifications.ts",
 	),
+	route("/api/status", "features/global-status/routes/api.status.ts"),
 	route("/api", "features/api/routes/api.tsx"),
 
 	...prefix("/a", [
diff --git a/app/routines/closeExpiredContinueVotes.test.ts b/app/routines/closeExpiredContinueVotes.test.ts
index f7c2a3976..af4c0bad2 100644
--- a/app/routines/closeExpiredContinueVotes.test.ts
+++ b/app/routines/closeExpiredContinueVotes.test.ts
@@ -9,6 +9,7 @@ import { CloseExpiredContinueVotesRoutine } from "./closeExpiredContinueVotes";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 }));
 
diff --git a/app/routines/notifyCheckInStart.ts b/app/routines/notifyCheckInStart.ts
index 7499c72d7..05bc80d90 100644
--- a/app/routines/notifyCheckInStart.ts
+++ b/app/routines/notifyCheckInStart.ts
@@ -1,3 +1,4 @@
+import * as ChatSystemMessage from "../features/chat/ChatSystemMessage.server";
 import { notify } from "../features/notifications/core/notify.server";
 import * as TournamentRepository from "../features/tournament/TournamentRepository.server";
 import { tournamentDataCached } from "../features/tournament-bracket/core/Tournament.server";
@@ -24,6 +25,9 @@ export const NotifyCheckInStartRoutine = new Routine({
 			logger.info(
 				`Notifying check-in start for tournament ${tournament.ctx.id}`,
 			);
+			const memberUserIds = tournament.ctx.teams.flatMap(
+				(team) => team.memberUserIds,
+			);
 			await notify({
 				notification: {
 					type: "TO_CHECK_IN_OPENED",
@@ -33,10 +37,12 @@ export const NotifyCheckInStartRoutine = new Routine({
 					},
 					pictureUrl: tournament.ctx.logoUrl,
 				},
-				userIds: tournament.ctx.teams
-					.flatMap((team) => team.memberUserIds)
-					.concat(tournament.ctx.staff.map((staff) => staff.id)),
+				userIds: memberUserIds.concat(
+					tournament.ctx.staff.map((staff) => staff.id),
+				),
 			});
+			// so the header check-in reminder appears without waiting for a navigation
+			ChatSystemMessage.notifyStatusChanged(memberUserIds);
 		}
 	},
 });
diff --git a/app/routines/resolveStaleSQMatches.test.ts b/app/routines/resolveStaleSQMatches.test.ts
index 11a323003..93969dbd7 100644
--- a/app/routines/resolveStaleSQMatches.test.ts
+++ b/app/routines/resolveStaleSQMatches.test.ts
@@ -9,6 +9,7 @@ import { ResolveStaleSQMatchesRoutine } from "./resolveStaleSQMatches";
 
 vi.mock("~/features/chat/ChatSystemMessage.server", () => ({
 	send: vi.fn(),
+	notifyStatusChanged: vi.fn(),
 	notifyNotificationsChanged: vi.fn(),
 }));
 
diff --git a/app/routines/resolveStaleSQMatches.ts b/app/routines/resolveStaleSQMatches.ts
index 1e107ee71..35492211e 100644
--- a/app/routines/resolveStaleSQMatches.ts
+++ b/app/routines/resolveStaleSQMatches.ts
@@ -22,6 +22,7 @@ export const ResolveStaleSQMatchesRoutine = new Routine({
 
 		let canceledCount = 0;
 		let confirmedCount = 0;
+		const resolvedParticipantIds: number[] = [];
 		for (const staleMatch of staleMatches) {
 			const result = await SQMatchRepository.resolveUnfinishedMatch(
 				staleMatch.id,
@@ -31,6 +32,10 @@ export const ResolveStaleSQMatchesRoutine = new Routine({
 			if (result.status === "CANCELED") canceledCount++;
 			if (result.status === "CONFIRMED") confirmedCount++;
 
+			resolvedParticipantIds.push(
+				...staleMatch.members.map((member) => member.userId),
+			);
+
 			if (staleMatch.chatRoomId) {
 				ChatSystemMessage.send({
 					channel: chatRoomChannel(staleMatch.chatRoomId),
@@ -52,6 +57,8 @@ export const ResolveStaleSQMatchesRoutine = new Routine({
 
 		await refreshSendouQInstance();
 
+		ChatSystemMessage.notifyStatusChanged(resolvedParticipantIds);
+
 		logger.info(
 			`Resolved stale SendouQ matches: ${canceledCount} canceled, ${confirmedCount} auto-confirmed`,
 		);
diff --git a/app/utils/urls.ts b/app/utils/urls.ts
index 6624efc67..a030a6726 100644
--- a/app/utils/urls.ts
+++ b/app/utils/urls.ts
@@ -219,6 +219,7 @@ export const NOTIFICATIONS_URL = "/notifications";
 export const NOTIFICATIONS_MARK_AS_SEEN_ROUTE = "/notifications/seen";
 export const NOTIFICATIONS_SUBSCRIBE_ROUTE = "/notifications/subscribe";
 export const NOTIFICATIONS_DATA_ROUTE = "/api/notifications";
+export const STATUS_DATA_ROUTE = "/api/status";
 
 export const CHAT_ROOMS_DATA_ROUTE = "/api/chat/rooms";
 export const chatRoomDataRoute = (roomId: number) =>
diff --git a/changelog/2026-09-01-header-status-indicator.md b/changelog/2026-09-01-header-status-indicator.md
new file mode 100644
index 000000000..2645408ac
--- /dev/null
+++ b/changelog/2026-09-01-header-status-indicator.md
@@ -0,0 +1,8 @@
+---
+navItem: [sendouq, medal]
+type: feature
+---
+New header status indicator
+
+- While you are in SendouQ or playing a tournament, the header shows what you have going on: your group filling up, likes received while in queue, ready checks, ongoing matches, scores waiting to be confirmed and bracket check-ins
+- It links straight to the right page and updates live as things happen, so you can freely browse the site while waiting
diff --git a/changelog/2026-09-19-brackets-page-team-actions.md b/changelog/2026-09-19-brackets-page-team-actions.md
new file mode 100644
index 000000000..d8b6d613b
--- /dev/null
+++ b/changelog/2026-09-19-brackets-page-team-actions.md
@@ -0,0 +1,9 @@
+---
+navItem: medal
+type: feature
+---
+Tournament brackets page minor cleanup
+
+- The "waiting on match" status strip is gone since the header now shows the same
+- The Add sub button moved to your team's page
+- The Compactify toggle moved up into the bracket tab row, so the bracket now starts right below the tabs
diff --git a/e2e/pages/layout/anything-adder.ts b/e2e/pages/layout/anything-adder.ts
index 8a81e1131..2f70a7ff7 100644
--- a/e2e/pages/layout/anything-adder.ts
+++ b/e2e/pages/layout/anything-adder.ts
@@ -13,7 +13,7 @@ type AddableItem =
 	| "tournament"
 	| "vods";
 
-/** The "Add new…" menu of the site layout, available on every page. */
+/** The "Add new" menu of the site layout, available on every page. */
 export class AnythingAdder {
 	private readonly page: Page;
 	readonly locators;
diff --git a/e2e/pages/layout/top-right-buttons.ts b/e2e/pages/layout/top-right-buttons.ts
index f08094fca..03fb475cc 100644
--- a/e2e/pages/layout/top-right-buttons.ts
+++ b/e2e/pages/layout/top-right-buttons.ts
@@ -2,9 +2,11 @@ import type { Page } from "@playwright/test";
 
 /** The button cluster at the right end of the site header. */
 export class TopRightButtons {
+	private readonly page: Page;
 	readonly locators;
 
 	constructor(page: Page) {
+		this.page = page;
 		this.locators = {
 			// hidden for users with any patron tier
 			supportLink: page
@@ -16,4 +18,9 @@ export class TopRightButtons {
 				.getByRole("button", { name: "Search" }),
 		};
 	}
+
+	/** The header's status indicator showing what the user has going on, e.g. "Waiting for match". */
+	globalStatus(text: string) {
+		return this.page.getByRole("banner").getByRole("link", { name: text });
+	}
 }
diff --git a/e2e/pages/tournament/tournament-brackets-page.ts b/e2e/pages/tournament/tournament-brackets-page.ts
index 53d877e89..d7f735b40 100644
--- a/e2e/pages/tournament/tournament-brackets-page.ts
+++ b/e2e/pages/tournament/tournament-brackets-page.ts
@@ -39,7 +39,6 @@ export class TournamentBracketsPage {
 			byeTeam: page.getByTestId("bye-team"),
 			prepareMapsButton: page.getByTestId("prepare-maps-button"),
 			preparedMapsCheckIcon: page.getByTestId("prepared-maps-check-icon"),
-			waitingOnGroupText: page.getByText("Waiting on group to finish"),
 		};
 	}
 
@@ -163,13 +162,6 @@ export class TournamentBracketsPage {
 		return new TournamentMatchPage(this.page);
 	}
 
-	/** Copies the sub invite link of the own team and reads it off the clipboard. */
-	async copySubInviteLink(): Promise<string> {
-		await this.page.getByTestId("add-sub-button").click();
-		await this.page.getByTestId("copy-invite-link-button").click();
-		return this.page.evaluate("navigator.clipboard.readText()");
-	}
-
 	/** Checks the own team in to a bracket that requires a check-in. */
 	checkInBracket() {
 		return submit(this.page, "check-in-bracket-button");
diff --git a/e2e/pages/tournament/tournament-team-page.ts b/e2e/pages/tournament/tournament-team-page.ts
index f5bc035ba..dda64e65e 100644
--- a/e2e/pages/tournament/tournament-team-page.ts
+++ b/e2e/pages/tournament/tournament-team-page.ts
@@ -21,6 +21,13 @@ export class TournamentTeamPage {
 		});
 	}
 
+	/** Copies the sub invite link of the own team and reads it off the clipboard. */
+	async copySubInviteLink(): Promise<string> {
+		await this.page.getByTestId("add-sub-button").click();
+		await this.page.getByTestId("copy-invite-link-button").click();
+		return this.page.evaluate("navigator.clipboard.readText()");
+	}
+
 	/** A map of the team's counterpick map pool, shown to organizers before the tournament starts. */
 	mapPoolStage(mode: ModeShort, stageId: StageId) {
 		return this.page.getByTestId(`team-map-pool-${mode}-${stageId}`);
diff --git a/e2e/pages/trophies/trophies-page.ts b/e2e/pages/trophies/trophies-page.ts
index 6c1f7a62f..04352fac4 100644
--- a/e2e/pages/trophies/trophies-page.ts
+++ b/e2e/pages/trophies/trophies-page.ts
@@ -11,7 +11,7 @@ export class TrophiesPage {
 		this.page = page;
 		this.locators = {
 			searchInput: page.getByRole("textbox"),
-			// the "Add new…" menu links to /trophies/new from every page
+			// the "Add new" menu links to /trophies/new from every page
 			trophyLinks: page.locator("main").locator("a[href^='/trophies/']"),
 		};
 	}
diff --git a/e2e/tournament-bracket-multi-stage.spec.ts b/e2e/tournament-bracket-multi-stage.spec.ts
index 489c28384..bdce6a162 100644
--- a/e2e/tournament-bracket-multi-stage.spec.ts
+++ b/e2e/tournament-bracket-multi-stage.spec.ts
@@ -13,6 +13,7 @@ import {
 	teamSeeds,
 } from "./helpers/tournament";
 import { CalendarNewEventPage } from "./pages/calendar/calendar-new-event-page";
+import { TopRightButtons } from "./pages/layout/top-right-buttons";
 import { TournamentAdminPage } from "./pages/tournament/tournament-admin-page";
 import { TournamentAdminRegistrationPage } from "./pages/tournament/tournament-admin-registration-page";
 import { TournamentBracketsPage } from "./pages/tournament/tournament-brackets-page";
@@ -209,7 +210,10 @@ test.describe("Tournament bracket multi stage", () => {
 			await match.backToBracket();
 		}
 
-		await expect(brackets.locators.waitingOnGroupText).toBeVisible();
+		// Sendou's team has finished its group's matches, the header says so while the last one plays out
+		await expect(
+			new TopRightButtons(page).globalStatus("Waiting for match"),
+		).toBeVisible();
 
 		const lastGroupsMatch = await brackets.openMatch(5);
 		await lastGroupsMatch.openTab("action");
diff --git a/e2e/tournament-bracket.spec.ts b/e2e/tournament-bracket.spec.ts
index 04c563082..991e74089 100644
--- a/e2e/tournament-bracket.spec.ts
+++ b/e2e/tournament-bracket.spec.ts
@@ -12,6 +12,7 @@ import {
 import { TournamentBracketsPage } from "./pages/tournament/tournament-brackets-page";
 import { TournamentJoinPage } from "./pages/tournament/tournament-join-page";
 import { TournamentMatchPage } from "./pages/tournament/tournament-match-page";
+import { TournamentTeamPage } from "./pages/tournament/tournament-team-page";
 
 test.describe("Tournament bracket", () => {
 	test("sets active roster as regular member", async ({ page, factories }) => {
@@ -134,10 +135,10 @@ test.describe("Tournament bracket", () => {
 		// captain of the last seeded team
 		await impersonate(page, teams[2].ownerUserId);
 
-		const brackets = new TournamentBracketsPage(page);
-		await brackets.goto(tournament.id);
+		const teamPage = new TournamentTeamPage(page);
+		await teamPage.goto(tournament.id, teams[2].id);
 
-		const inviteLink = await brackets.copySubInviteLink();
+		const inviteLink = await teamPage.copySubInviteLink();
 
 		await impersonate(page, sub.id);
 
diff --git a/locales/da/common.json b/locales/da/common.json
index 861f05cd6..d4354348e 100644
--- a/locales/da/common.json
+++ b/locales/da/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/da/settings.json b/locales/da/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/da/settings.json
+++ b/locales/da/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/de/common.json b/locales/de/common.json
index 762a72a01..1116adb24 100644
--- a/locales/de/common.json
+++ b/locales/de/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/de/settings.json b/locales/de/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/de/settings.json
+++ b/locales/de/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/en/common.json b/locales/en/common.json
index b86ec5417..5e679c93d 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Plus suggestion",
 	"header.adder.trophy": "Trophy",
+	"globalStatus.SQ_PREPARING": "Preparing",
+	"globalStatus.SQ_QUEUED": "In queue",
+	"globalStatus.SQ_EXPIRED": "Group inactive",
+	"globalStatus.SQ_READY_CHECK": "Ready check",
+	"globalStatus.SQ_MATCH": "In match",
+	"globalStatus.TO_CHECKIN": "Check in",
+	"globalStatus.TO_MATCH": "In match",
+	"globalStatus.TO_WAITING_FOR_MATCH": "Waiting for match",
+	"globalStatus.TO_WAITING_FOR_CAST": "Waiting for cast",
 	"notifications.title": "Notifications",
 	"notifications.empty": "None yet, check back later",
 	"notifications.fullList.explanation": "Max of 100 notifications shown. Notifications older than 14 days are automatically deleted.",
diff --git a/locales/en/settings.json b/locales/en/settings.json
index 41bfc46c0..9d5173f48 100644
--- a/locales/en/settings.json
+++ b/locales/en/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Prefer",
 	"matchProfile.maps.neutral": "Neutral",
 	"sounds.likeReceived": "Group invitation received",
-	"sounds.groupNewMember": "Group invitation accepted",
 	"sounds.readyCheckStarted": "SendouQ ready check started",
 	"sounds.matchStarted": "SendouQ match started",
 	"sounds.tournamentMatchStarted": "Tournament match started"
diff --git a/locales/es-ES/common.json b/locales/es-ES/common.json
index 6d386fdad..35da9b70d 100644
--- a/locales/es-ES/common.json
+++ b/locales/es-ES/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Sugerencia Plus",
 	"header.adder.trophy": "Trofeo",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "Notificaciones",
 	"notifications.empty": "Nada aún, vuelve más tarde",
 	"notifications.fullList.explanation": "Se muestran máximo 100 notificaciones. Las notificaciones de más de 14 días se eliminan automáticamente.",
diff --git a/locales/es-ES/settings.json b/locales/es-ES/settings.json
index 3001d07f3..c17957017 100644
--- a/locales/es-ES/settings.json
+++ b/locales/es-ES/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Preferir",
 	"matchProfile.maps.neutral": "Neutral",
 	"sounds.likeReceived": "Invitación de grupo recibida",
-	"sounds.groupNewMember": "Invitación de grupo aceptada",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "Partida de SendouQ iniciada",
 	"sounds.tournamentMatchStarted": "Set de torneo iniciado"
diff --git a/locales/es-US/common.json b/locales/es-US/common.json
index c20331ca7..04eb29ff2 100644
--- a/locales/es-US/common.json
+++ b/locales/es-US/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Sugerencia Plus",
 	"header.adder.trophy": "Trofeo",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "Notificaciones",
 	"notifications.empty": "Nada aún, vuelve más tarde",
 	"notifications.fullList.explanation": "Se muestran máximo 100 notificaciones. Las notificaciones de más de 14 días se eliminan automáticamente.",
diff --git a/locales/es-US/settings.json b/locales/es-US/settings.json
index 3001d07f3..c17957017 100644
--- a/locales/es-US/settings.json
+++ b/locales/es-US/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Preferir",
 	"matchProfile.maps.neutral": "Neutral",
 	"sounds.likeReceived": "Invitación de grupo recibida",
-	"sounds.groupNewMember": "Invitación de grupo aceptada",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "Partida de SendouQ iniciada",
 	"sounds.tournamentMatchStarted": "Set de torneo iniciado"
diff --git a/locales/fr-CA/common.json b/locales/fr-CA/common.json
index 62797636e..52e97f395 100644
--- a/locales/fr-CA/common.json
+++ b/locales/fr-CA/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/fr-CA/settings.json b/locales/fr-CA/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/fr-CA/settings.json
+++ b/locales/fr-CA/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/fr-EU/common.json b/locales/fr-EU/common.json
index b0400ea44..e1c3b7572 100644
--- a/locales/fr-EU/common.json
+++ b/locales/fr-EU/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Suggestion au Plus",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "Notification",
 	"notifications.empty": "Rien ici encore, revenez plus tard",
 	"notifications.fullList.explanation": "100 notifications au maximum peuvent être afficher. Les notifications sont effacer automatiquement au bout de 14 jours.",
diff --git a/locales/fr-EU/settings.json b/locales/fr-EU/settings.json
index adac6f574..407320a57 100644
--- a/locales/fr-EU/settings.json
+++ b/locales/fr-EU/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Préférer",
 	"matchProfile.maps.neutral": "Neutre",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/he/common.json b/locales/he/common.json
index 56d50745f..2ad12ecaa 100644
--- a/locales/he/common.json
+++ b/locales/he/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/he/settings.json b/locales/he/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/he/settings.json
+++ b/locales/he/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/it/common.json b/locales/it/common.json
index d7b7d3520..a2bd0d022 100644
--- a/locales/it/common.json
+++ b/locales/it/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Suggerimento Plus",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "Notifiche",
 	"notifications.empty": "Nessuna notifica, controlla più tardi",
 	"notifications.fullList.explanation": "Un massimo di 100 notifiche sono state mostrate. Le notifiche più vecchie di 14 giorni vengono eliminate automaticamente.",
diff --git a/locales/it/settings.json b/locales/it/settings.json
index 4afea4587..2748edd27 100644
--- a/locales/it/settings.json
+++ b/locales/it/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Preferisci",
 	"matchProfile.maps.neutral": "Neutrale",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/ja/common.json b/locales/ja/common.json
index ee2d21cc2..75c3d533e 100644
--- a/locales/ja/common.json
+++ b/locales/ja/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "動画",
 	"header.adder.plusSuggestion": "プラスサーバー推薦",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "通知",
 	"notifications.empty": "通知はありません",
 	"notifications.fullList.explanation": "最大100件の通知が表示されます。14日以上前の通知は削除されます。",
diff --git a/locales/ja/settings.json b/locales/ja/settings.json
index add12eb56..6cd87536b 100644
--- a/locales/ja/settings.json
+++ b/locales/ja/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "好み",
 	"matchProfile.maps.neutral": "普通",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/ko/common.json b/locales/ko/common.json
index 33e713d27..6ef939890 100644
--- a/locales/ko/common.json
+++ b/locales/ko/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/ko/settings.json b/locales/ko/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/ko/settings.json
+++ b/locales/ko/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/nl/common.json b/locales/nl/common.json
index 1cf8d7c74..39dd94e97 100644
--- a/locales/nl/common.json
+++ b/locales/nl/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/nl/settings.json b/locales/nl/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/nl/settings.json
+++ b/locales/nl/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/pl/common.json b/locales/pl/common.json
index 7910e9481..791ffbd45 100644
--- a/locales/pl/common.json
+++ b/locales/pl/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/pl/settings.json b/locales/pl/settings.json
index 93f455784..15e13a78e 100644
--- a/locales/pl/settings.json
+++ b/locales/pl/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "",
 	"matchProfile.maps.neutral": "",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/pt-BR/common.json b/locales/pt-BR/common.json
index 1cc7151a9..b1adb8cf9 100644
--- a/locales/pt-BR/common.json
+++ b/locales/pt-BR/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "",
 	"header.adder.plusSuggestion": "",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "",
 	"notifications.empty": "",
 	"notifications.fullList.explanation": "",
diff --git a/locales/pt-BR/settings.json b/locales/pt-BR/settings.json
index 7af7415cd..bcbf63b52 100644
--- a/locales/pt-BR/settings.json
+++ b/locales/pt-BR/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Prefere",
 	"matchProfile.maps.neutral": "Neutro",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/ru/common.json b/locales/ru/common.json
index 8ab4916a2..9c46cde6b 100644
--- a/locales/ru/common.json
+++ b/locales/ru/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "VoD",
 	"header.adder.plusSuggestion": "Рекомендация Плюс",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "Уведомления",
 	"notifications.empty": "Пока нет, проверьте позже",
 	"notifications.fullList.explanation": "Может быть показано максимум 100 уведомлений. Уведомления старше 14 дней автоматически удалены.",
diff --git a/locales/ru/settings.json b/locales/ru/settings.json
index 061a5f66a..66019e13c 100644
--- a/locales/ru/settings.json
+++ b/locales/ru/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "Предпочитаю",
 	"matchProfile.maps.neutral": "Нейтрально",
 	"sounds.likeReceived": "",
-	"sounds.groupNewMember": "",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "",
 	"sounds.tournamentMatchStarted": ""
diff --git a/locales/zh/common.json b/locales/zh/common.json
index 24fc126ad..5f5eaddd6 100644
--- a/locales/zh/common.json
+++ b/locales/zh/common.json
@@ -47,6 +47,15 @@
 	"header.adder.vod": "视频",
 	"header.adder.plusSuggestion": "Plus 推荐",
 	"header.adder.trophy": "",
+	"globalStatus.SQ_PREPARING": "",
+	"globalStatus.SQ_QUEUED": "",
+	"globalStatus.SQ_EXPIRED": "",
+	"globalStatus.SQ_READY_CHECK": "",
+	"globalStatus.SQ_MATCH": "",
+	"globalStatus.TO_CHECKIN": "",
+	"globalStatus.TO_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_MATCH": "",
+	"globalStatus.TO_WAITING_FOR_CAST": "",
 	"notifications.title": "通知",
 	"notifications.empty": "还没有通知，晚点再来看看吧",
 	"notifications.fullList.explanation": "最多显示 100 条通知。超过 14 天的通知将被自动删除。",
diff --git a/locales/zh/settings.json b/locales/zh/settings.json
index 0f329d700..12e7a49be 100644
--- a/locales/zh/settings.json
+++ b/locales/zh/settings.json
@@ -9,7 +9,6 @@
 	"matchProfile.maps.prefer": "偏好",
 	"matchProfile.maps.neutral": "中立",
 	"sounds.likeReceived": "收到小组邀请",
-	"sounds.groupNewMember": "小组邀请已通过",
 	"sounds.readyCheckStarted": "",
 	"sounds.matchStarted": "SendouQ 对局开始",
 	"sounds.tournamentMatchStarted": "赛事对局开始"
diff --git a/scripts/benchmark-db/cases.ts b/scripts/benchmark-db/cases.ts
index 436004fcc..95c70abe1 100644
--- a/scripts/benchmark-db/cases.ts
+++ b/scripts/benchmark-db/cases.ts
@@ -761,6 +761,9 @@ export function buildCases(fx: Fixtures): {
 	add("SQMatchRepository.findById", fx.heavyGroupMatchId, (matchId) =>
 		SQMatchRepository.findById(matchId),
 	);
+	add("SQMatchRepository.findLiveStateById", fx.heavyGroupMatchId, (matchId) =>
+		SQMatchRepository.findLiveStateById(matchId),
+	);
 	add("SQMatchRepository.countSeasonResultPagesByUserId", fx.sq, (sq) =>
 		SQMatchRepository.countSeasonResultPagesByUserId(sq),
 	);
@@ -847,6 +850,9 @@ export function buildCases(fx: Fixtures): {
 	addStatic("SQGroupRepository.findRecentlyFinishedMatches", () =>
 		SQGroupRepository.findRecentlyFinishedMatches(),
 	);
+	addStatic("SQGroupRepository.findCurrentReceivedLikeCounts", () =>
+		SQGroupRepository.findCurrentReceivedLikeCounts(),
+	);
 
 	addStatic("SplatoonRotationRepository.findAll", () =>
 		SplatoonRotationRepository.findAll(),
@@ -1230,6 +1236,15 @@ export function buildCases(fx: Fixtures): {
 		fx.calendarWindow,
 		(window) => TournamentRepository.findAllBetweenTwoTimestamps(window),
 	);
+	add(
+		"TournamentRepository.findPendingCheckInsStartingBetween",
+		fx.calendarWindow,
+		(window) =>
+			TournamentRepository.findPendingCheckInsStartingBetween({
+				startsAfter: window.startTime,
+				startsBefore: window.endTime,
+			}),
+	);
 	add(
 		"TournamentRepository.findTopThreeResultsByTournamentIds",
 		fx.heavyTournamentId,