feat: add app section visibility settings

components/layout/app-shell.tsx

@@ -3,16 +3,27 @@
 import Link from "next/link";
 import { usePathname } from "next/navigation";
 import { CloudSun, Droplets, Settings, TriangleAlert } from "lucide-react";
+import type { LucideIcon } from "lucide-react";
+import { isAppNavItemVisible } from "@/lib/app-sections";
 import { NAV_ITEMS } from "@/lib/constants";
 import { cn } from "@/lib/utils";
 import { InstallPWAButton } from "@/components/ui/install-pwa-button";
 import { useI18n } from "@/lib/i18n";
+import { useWeatherStore } from "@/lib/store";
 
-const icons = [CloudSun, TriangleAlert, Droplets, Settings];
+const iconsByHref: Record<string, LucideIcon> = {
+  "/": CloudSun,
+  "/warnings": TriangleAlert,
+  "/hydro": Droplets,
+  "/settings": Settings,
+};
 
 export function AppShell({ children }: { children: React.ReactNode }) {
   const pathname = usePathname();
   const { t } = useI18n();
+  const appSections = useWeatherStore((state) => state.appSections);
+  const visibleNavItems = NAV_ITEMS.filter((item) => isAppNavItemVisible(item.href, appSections));
+
   return (
     <div className="min-h-screen overflow-x-hidden bg-background">
       <header className="app-header-safe sticky top-0 z-40 border-b border-border/70 bg-surface">
@@ -21,7 +32,7 @@ export function AppShell({ children }: { children: React.ReactNode }) {
             wtr<span className="text-accent">.</span>
           </Link>
           <nav aria-label={t("nav.main")} className="hidden items-center gap-1 md:flex">
-            {NAV_ITEMS.map((item) => {
+            {visibleNavItems.map((item) => {
               const active = item.href === "/" ? pathname === "/" : pathname.startsWith(item.href);
               return (
                 <Link key={item.href} href={item.href} className={cn("rounded-control px-4 py-2 text-sm font-medium transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent", active ? "bg-foreground text-background shadow-soft" : "text-muted hover:bg-surface-muted/70")}>
@@ -37,8 +48,8 @@ export function AppShell({ children }: { children: React.ReactNode }) {
       </header>
       <main className="app-main-safe mx-auto max-w-7xl px-4 pt-5 sm:px-6 sm:pt-8 lg:px-8">{children}</main>
       <nav aria-label={t("nav.mobile")} className="mobile-nav-safe fixed z-50 flex justify-around rounded-panel border border-border/70 bg-surface p-1.5 shadow-card md:hidden">
-        {NAV_ITEMS.map((item, index) => {
-          const Icon = icons[index];
+        {visibleNavItems.map((item) => {
+          const Icon = iconsByHref[item.href] ?? CloudSun;
           const active = item.href === "/" ? pathname === "/" : pathname.startsWith(item.href);
           return (
             <Link key={item.href} href={item.href} className={cn("flex min-w-0 flex-1 flex-col items-center gap-1 rounded-card px-2 py-2 text-[0.68rem] font-medium transition focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-accent", active ? "bg-foreground text-background" : "text-muted")}>

components/settings/settings-page.tsx

@@ -9,6 +9,7 @@ import { LanguageToggle } from "@/components/ui/language-toggle";
 import { ThemeToggle } from "@/components/ui/theme-toggle";
 import { useMeteoStationPositions } from "@/hooks/use-meteo-stations";
 import { useWeatherStations } from "@/hooks/use-weather-stations";
+import { APP_SECTION_SETTINGS } from "@/lib/app-sections";
 import { DEFAULT_STATION_ID } from "@/lib/constants";
 import { DASHBOARD_SECTION_SETTINGS } from "@/lib/dashboard-sections";
 import { useI18n } from "@/lib/i18n";
@@ -133,6 +134,7 @@ export function SettingsPage() {
   const temperatureUnit = useWeatherStore((state) => state.temperatureUnit);
   const windSpeedUnit = useWeatherStore((state) => state.windSpeedUnit);
   const dashboardSections = useWeatherStore((state) => state.dashboardSections);
+  const appSections = useWeatherStore((state) => state.appSections);
   const setNotificationsEnabled = useWeatherStore((state) => state.setWarningNotificationsEnabled);
   const setMorningBriefEnabled = useWeatherStore((state) => state.setMorningBriefNotificationsEnabled);
   const setTomorrowBriefEnabled = useWeatherStore((state) => state.setTomorrowBriefNotificationsEnabled);
@@ -141,6 +143,7 @@ export function SettingsPage() {
   const setTemperatureUnit = useWeatherStore((state) => state.setTemperatureUnit);
   const setWindSpeedUnit = useWeatherStore((state) => state.setWindSpeedUnit);
   const setDashboardSectionVisible = useWeatherStore((state) => state.setDashboardSectionVisible);
+  const setAppSectionVisible = useWeatherStore((state) => state.setAppSectionVisible);
 
   const selectedStation = stations?.find((station) => station.id === selectedStationId)
     ?? stations?.find((station) => station.id === DEFAULT_STATION_ID)
@@ -463,6 +466,31 @@ export function SettingsPage() {
         </div>
       </Card>
 
+      <Card className="p-4 sm:p-5">
+        <div className="flex items-start gap-3">
+          <div className="rounded-control border border-border/70 bg-surface-muted/70 p-2 text-accent">
+            <Settings className="size-4" aria-hidden="true" />
+          </div>
+          <div>
+            <h2 className="text-sm font-semibold">{t("settings.appSections.title")}</h2>
+            <p className="mt-1 max-w-2xl text-sm leading-6 text-muted">{t("settings.appSections.description")}</p>
+          </div>
+        </div>
+
+        <div className="mt-2">
+          {APP_SECTION_SETTINGS.map((section) => (
+            <NotificationSwitchLabel
+              key={section.id}
+              icon={Settings}
+              title={t(section.titleKey)}
+              description={t(section.descriptionKey)}
+              checked={appSections[section.id]}
+              onChange={(checked) => setAppSectionVisible(section.id, checked)}
+            />
+          ))}
+        </div>
+      </Card>
+
       <Card className="p-4 sm:p-5">
         <div className="flex items-start gap-3">
           <div className="rounded-control border border-warning/30 bg-warning/10 p-2 text-warning">