fix(desktop): align settings section headers

deploy/compose/compose.yml

@@ -50,7 +50,7 @@ services:
       - buzz-net
 
   postgres:
-    image: postgres:18-alpine
+    image: postgres:17-alpine
     environment:
       POSTGRES_DB: ${POSTGRES_DB:-buzz}
       POSTGRES_USER: ${POSTGRES_USER:-buzz}
@@ -69,7 +69,7 @@ services:
       - buzz-net
 
   redis:
-    image: redis:8-alpine
+    image: redis:7-alpine
     command: ["redis-server", "--appendonly", "yes", "--requirepass", "${REDIS_PASSWORD:?set REDIS_PASSWORD}"]
     environment:
       REDIS_PASSWORD: ${REDIS_PASSWORD:?set REDIS_PASSWORD}

desktop/scripts/check-px-text.mjs

@@ -23,7 +23,7 @@ const rules = [
 // glyph is a fixed display size sized to its avatar box (not readable message
 // text), so it stays as the lone documented `text-[6rem]` literal.
 const overrides = new Set([
-  "src/features/settings/ui/ProfileSettingsCard.tsx:573",
+  "src/features/settings/ui/ProfileSettingsCard.tsx:572",
   "src/features/onboarding/ui/AvatarStep.tsx:89",
 ]);
 

desktop/src/features/custom-emoji/ui/CustomEmojiSettingsCard.tsx

@@ -17,6 +17,7 @@ import { rewriteRelayUrl } from "@/shared/lib/mediaUrl";
 import { Button } from "@/shared/ui/button";
 import { Input } from "@/shared/ui/input";
 import { SettingsOptionGroup } from "@/features/settings/ui/SettingsOptionGroup";
+import { SettingsSectionHeader } from "@/features/settings/ui/SettingsSectionHeader";
 
 /**
  * Custom emoji management (NIP-30, kind:30030). Each member owns their own set:
@@ -124,13 +125,15 @@ export function CustomEmojiSettingsCard() {
 
   return (
     <section className="min-w-0" data-testid="settings-custom-emoji">
-      <div className="mb-12 space-y-1">
-        <h2 className="text-2xl font-semibold tracking-tight">Custom Emoji</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Add your own custom emoji for everyone on this relay to use. Type{" "}
-          <code>:name:</code> in messages and reactions.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Custom Emoji"
+        description={
+          <>
+            Add your own custom emoji for everyone on this relay to use. Type{" "}
+            <code>:name:</code> in messages and reactions.
+          </>
+        }
+      />
 
       <div className="space-y-6">
         <form

desktop/src/features/mesh-compute/ui/MeshComputeSettingsCard.tsx

@@ -15,6 +15,7 @@ import {
   SettingsOptionGroup,
   SettingsOptionRow,
 } from "@/features/settings/ui/SettingsOptionGroup";
+import { SettingsSectionHeader } from "@/features/settings/ui/SettingsSectionHeader";
 import { classifyModelRef, modelRefHintLabel } from "../classifyModelRef";
 import { useMeshNodeStatus } from "../hooks/useMeshNodeStatus";
 
@@ -135,13 +136,15 @@ export function MeshComputeSettingsCard() {
 
   return (
     <section className="min-w-0" data-testid="settings-mesh-share-compute">
-      <div className="mb-12 min-w-0">
-        <h2 className="text-2xl font-semibold tracking-tight">Share compute</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Share this machine with your relay. When on, other members can run
-          their agents here.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Share compute"
+        description={
+          <>
+            Share this machine with your relay. When on, other members can run
+            their agents here.
+          </>
+        }
+      />
 
       {error ? (
         <p className="mb-3 rounded-lg bg-destructive/10 px-3 py-2 text-sm text-destructive">

desktop/src/features/relay-members/ui/RelayMembersSettingsCard.tsx

@@ -36,6 +36,7 @@ import {
   DropdownMenuTrigger,
 } from "@/shared/ui/dropdown-menu";
 import { Input } from "@/shared/ui/input";
+import { SettingsSectionHeader } from "@/features/settings/ui/SettingsSectionHeader";
 import { VirtualizedList } from "@/shared/ui/VirtualizedList";
 
 type AssignableRelayRole = Exclude<RelayMemberRole, "owner">;
@@ -353,13 +354,15 @@ export function RelayMembersSettingsCard({
 
   return (
     <section className="min-w-0" data-testid="settings-relay-members">
-      <div className="mb-12 space-y-1">
-        <h2 className="text-2xl font-semibold tracking-tight">Relay Access</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Manage who can connect to this relay. Owners can invite admins or
-          members; admins can invite members.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Relay Access"
+        description={
+          <>
+            Manage who can connect to this relay. Owners can invite admins or
+            members; admins can invite members.
+          </>
+        }
+      />
 
       <div className="space-y-6">
         <form className="space-y-1.5" onSubmit={handleAddMember}>

desktop/src/features/settings/UpdateChecker.tsx

@@ -4,20 +4,17 @@ import {
   SettingsOptionGroup,
   SettingsOptionRow,
 } from "./ui/SettingsOptionGroup";
+import { SettingsSectionHeader } from "./ui/SettingsSectionHeader";
 
 export function UpdateChecker() {
   const { status, checkForUpdate, relaunch } = useUpdaterContext();
 
   return (
-    <section className="min-w-0">
-      <div className="mb-12 min-w-0">
-        <h2 className="text-2xl font-semibold tracking-tight">
-          Software Updates
-        </h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Keep Buzz up to date with the latest features and fixes.
-        </p>
-      </div>
+    <section className="min-w-0" data-testid="settings-updates">
+      <SettingsSectionHeader
+        title="Software Updates"
+        description="Keep Buzz up to date with the latest features and fixes."
+      />
 
       <SettingsOptionGroup>
         {status.state === "idle" && (

desktop/src/features/settings/ui/ChannelTemplatesSettingsCard.tsx

@@ -33,6 +33,7 @@ import type {
   UpdateChannelTemplateInput,
 } from "@/shared/api/types";
 import { cn } from "@/shared/lib/cn";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 import {
   AlertDialog,
   AlertDialogAction,
@@ -103,27 +104,26 @@ export function ChannelTemplatesSettingsCard() {
 
   return (
     <section className="min-w-0" data-testid="settings-channel-templates">
-      <div className="mb-12 flex min-w-0 items-start justify-between gap-4">
-        <div className="min-w-0">
-          <h2 className="text-2xl font-semibold tracking-tight">
-            Channel Templates
-          </h2>
-          <p className="text-base font-normal text-muted-foreground">
+      <SettingsSectionHeader
+        title="Channel Templates"
+        description={
+          <>
             Save reusable channel configurations and apply them when creating
             new channels.
-          </p>
-        </div>
-        <Button
-          className="shrink-0"
-          onClick={() => setIsCreateOpen(true)}
-          size="sm"
-          type="button"
-          variant="outline"
-        >
-          <Plus className="mr-1.5 h-4 w-4" />
-          Create
-        </Button>
-      </div>
+          </>
+        }
+        action={
+          <Button
+            onClick={() => setIsCreateOpen(true)}
+            size="sm"
+            type="button"
+            variant="outline"
+          >
+            <Plus className="mr-1.5 h-4 w-4" />
+            Create
+          </Button>
+        }
+      />
 
       {templatesQuery.isLoading ? (
         <p className="py-6 text-center text-sm text-muted-foreground">

desktop/src/features/settings/ui/DoctorSettingsPanel.tsx

@@ -18,6 +18,7 @@ import type { AcpRuntimeCatalogEntry } from "@/shared/api/types";
 import { cn } from "@/shared/lib/cn";
 import { Button } from "@/shared/ui/button";
 import { SettingsOptionGroup } from "./SettingsOptionGroup";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 
 function StatusIcon({
   availability,
@@ -268,32 +269,28 @@ export function DoctorSettingsPanel() {
   }
 
   return (
-    <section data-testid="settings-doctor">
-      <div className="mb-12 flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
-        <div className="min-w-0">
-          <h2 className="text-2xl font-semibold tracking-tight">Doctor</h2>
-          <p className="mt-1 text-base font-normal text-muted-foreground">
-            Verify the ACP runtime commands available to the desktop app.
-          </p>
-        </div>
-
-        <Button
-          className="shrink-0"
-          disabled={isRefreshing}
-          onClick={() => {
-            setInstallResults({});
-            void runtimesQuery.refetch();
-          }}
-          size="sm"
-          type="button"
-          variant="outline"
-        >
-          <RefreshCw
-            className={cn("h-4 w-4", isRefreshing && "animate-spin")}
-          />
-          Re-run
-        </Button>
-      </div>
+    <section className="min-w-0" data-testid="settings-doctor">
+      <SettingsSectionHeader
+        title="Doctor"
+        description="Verify the ACP runtime commands available to the desktop app."
+        action={
+          <Button
+            disabled={isRefreshing}
+            onClick={() => {
+              setInstallResults({});
+              void runtimesQuery.refetch();
+            }}
+            size="sm"
+            type="button"
+            variant="outline"
+          >
+            <RefreshCw
+              className={cn("h-4 w-4", isRefreshing && "animate-spin")}
+            />
+            Re-run
+          </Button>
+        }
+      />
 
       <div className="space-y-5">
         <SettingsOptionGroup>

desktop/src/features/settings/ui/ExperimentalFeaturesCard.tsx

@@ -1,6 +1,7 @@
 import { desktopFeatures, useFeatureToggle } from "@/shared/features";
 import type { FeatureDefinition } from "@/shared/features";
 import { Switch } from "@/shared/ui/switch";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 
 function FeatureRow({ feature }: { feature: FeatureDefinition }) {
   const [enabled, toggle] = useFeatureToggle(feature.id);
@@ -31,13 +32,15 @@ export function ExperimentalFeaturesCard() {
 
   return (
     <section className="min-w-0" data-testid="settings-experimental">
-      <div className="mb-12 min-w-0">
-        <h2 className="text-2xl font-semibold tracking-tight">Experiments</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          These features are functional but still being refined. Enable them to
-          try new capabilities early.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Experiments"
+        description={
+          <>
+            These features are functional but still being refined. Enable them
+            to try new capabilities early.
+          </>
+        }
+      />
 
       <div className="flex flex-col gap-2">
         {previewFeatures.map((f) => (

desktop/src/features/settings/ui/KeyboardShortcutsCard.tsx

@@ -4,6 +4,7 @@ import {
   type KeyboardShortcut,
 } from "@/shared/lib/keyboard-shortcuts";
 import { SettingsOptionGroup, SettingsOptionRow } from "./SettingsOptionGroup";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 
 function KeyCombo({ shortcut }: { shortcut: KeyboardShortcut }) {
   const keys = getPlatformKeys(shortcut);
@@ -32,14 +33,10 @@ export function KeyboardShortcutsCard() {
 
   return (
     <section className="min-w-0" data-testid="settings-shortcuts">
-      <div className="mb-12 min-w-0">
-        <h2 className="text-2xl font-semibold tracking-tight">
-          Keyboard Shortcuts
-        </h2>
-        <p className="mt-1 text-base font-normal text-muted-foreground">
-          All available keyboard shortcuts. Shortcuts are read-only.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Keyboard Shortcuts"
+        description="All available keyboard shortcuts. Shortcuts are read-only."
+      />
 
       <div className="space-y-4">
         {[...categories.entries()].map(([category, shortcuts]) => (

desktop/src/features/settings/ui/MobilePairingCard.tsx

@@ -27,6 +27,7 @@ import {
   DialogTitle,
 } from "@/shared/ui/dialog";
 import { SettingsOptionGroup, SettingsOptionRow } from "./SettingsOptionGroup";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 
 type PairingStep =
   | "generating"
@@ -321,14 +322,16 @@ export function MobilePairingCard({
 
   return (
     <section className="min-w-0" data-testid="settings-mobile">
-      <div className="mb-12 space-y-1">
-        <h2 className="text-2xl font-semibold tracking-tight">Mobile</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Connect the Buzz mobile app to this relay by scanning a QR code. The
-          connection is secured with end-to-end encryption and a verification
-          code.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Mobile"
+        description={
+          <>
+            Connect the Buzz mobile app to this relay by scanning a QR code. The
+            connection is secured with end-to-end encryption and a verification
+            code.
+          </>
+        }
+      />
 
       <SettingsOptionGroup>
         <SettingsOptionRow className="gap-3">

desktop/src/features/settings/ui/NotificationSettingsCard.tsx

@@ -18,6 +18,7 @@ import { cn } from "@/shared/lib/cn";
 import { Button } from "@/shared/ui/button";
 import { Switch } from "@/shared/ui/switch";
 import { SettingsOptionGroup, SettingsOptionRow } from "./SettingsOptionGroup";
+import { SettingsSectionHeader } from "./SettingsSectionHeader";
 import { SoundPicker } from "./SoundPicker";
 
 export function NotificationSettingsCard({
@@ -60,12 +61,10 @@ export function NotificationSettingsCard({
 
   return (
     <section className="min-w-0" data-testid="settings-notifications">
-      <div className="mb-12 min-w-0">
-        <h2 className="text-2xl font-semibold tracking-tight">Notifications</h2>
-        <p className="text-base font-normal text-muted-foreground">
-          Desktop alerts are on by default. Fine-tune what gets through below.
-        </p>
-      </div>
+      <SettingsSectionHeader
+        title="Notifications"
+        description="Desktop alerts are on by default. Fine-tune what gets through below."
+      />
 
       <span className="sr-only" data-testid="notifications-desktop-state">
         {notificationPermission === "unsupported"