refactor(app): restructure settings with modular section navigation

packages/app/e2e/helpers/app.ts

@@ -200,16 +200,11 @@ export const gotoHome = async (page: Page) => {
 };
 
 export const openSettings = async (page: Page) => {
-  const serverId = process.env.E2E_SERVER_ID;
-  if (!serverId) {
-    throw new Error("E2E_SERVER_ID is not set (expected from Playwright globalSetup).");
-  }
-
   // Navigate through the real app control so route changes stay aligned with UI behavior.
   const settingsButton = page.locator('[data-testid="sidebar-settings"]:visible').first();
   await expect(settingsButton).toBeVisible();
   await settingsButton.click();
-  await expect(page).toHaveURL(new RegExp(`/h/${escapeRegex(serverId)}/settings$`));
+  await expect(page).toHaveURL(/\/settings\/general$/);
 };
 
 export const setWorkingDirectory = async (page: Page, directory: string) => {

packages/app/e2e/settings-host-page.spec.ts

@@ -0,0 +1,181 @@
+import { test, expect, type Page } from "./fixtures";
+import { gotoAppShell, openSettings } from "./helpers/app";
+import { TEST_HOST_LABEL } from "./helpers/daemon-registry";
+
+function getSeededServerId(): string {
+  const serverId = process.env.E2E_SERVER_ID;
+  if (!serverId) {
+    throw new Error("E2E_SERVER_ID is not set (expected from Playwright globalSetup).");
+  }
+  return serverId;
+}
+
+function getSeededDaemonPort(): string {
+  const port = process.env.E2E_DAEMON_PORT;
+  if (!port) {
+    throw new Error("E2E_DAEMON_PORT is not set (expected from Playwright globalSetup).");
+  }
+  return port;
+}
+
+async function openHostPage(page: Page, serverId: string) {
+  await page.getByTestId(`settings-host-entry-${serverId}`).click();
+  await expect(page.getByTestId(`settings-host-page-${serverId}`)).toBeVisible();
+}
+
+test.describe("Settings host page", () => {
+  test("host page shows seeded label, connection endpoint, inject MCP toggle, and all action rows", async ({
+    page,
+  }) => {
+    const serverId = getSeededServerId();
+    const port = getSeededDaemonPort();
+
+    await gotoAppShell(page);
+    await openSettings(page);
+    await openHostPage(page, serverId);
+
+    // Label renders as a title with a pencil edit affordance; the input is hidden until edit.
+    await expect(page.getByTestId("host-page-label-card")).toBeVisible();
+    await expect(page.getByTestId("host-page-label-edit-button")).toBeVisible();
+    await expect(page.getByTestId("host-page-label-input")).toHaveCount(0);
+    await expect(
+      page.getByTestId("host-page-label-card").getByText(TEST_HOST_LABEL, { exact: true }),
+    ).toBeVisible();
+
+    // Desktop detail pane shows a ScreenHeader with the host label.
+    await expect(page.getByTestId("settings-detail-header-title")).toHaveText(TEST_HOST_LABEL);
+
+    // Connections is its own section with a "Connections" heading and the seeded endpoint row.
+    const connectionsCard = page.getByTestId("host-page-connections-card");
+    await expect(connectionsCard).toBeVisible();
+    await expect(page.getByText("Connections", { exact: true })).toBeVisible();
+    await expect(
+      connectionsCard.getByText(new RegExp(`TCP \\((localhost|127\\.0\\.0\\.1):${port}\\)`)),
+    ).toBeVisible();
+
+    const injectMcpCard = page.getByTestId("host-page-inject-mcp-card");
+    await expect(injectMcpCard).toBeVisible();
+    await expect(injectMcpCard.getByRole("button", { name: "On", exact: true })).toBeVisible();
+    await expect(injectMcpCard.getByRole("button", { name: "Off", exact: true })).toBeVisible();
+
+    await expect(page.getByTestId("host-page-restart-card")).toBeVisible();
+    await expect(page.getByTestId("host-page-restart-button")).toBeVisible();
+    await expect(page.getByTestId("host-page-providers-card")).toBeVisible();
+    await expect(page.getByTestId("host-page-remove-host-card")).toBeVisible();
+    await expect(page.getByTestId("host-page-remove-host-button")).toBeVisible();
+  });
+
+  test("clicking the label pencil reveals the inline editor", async ({ page }) => {
+    const serverId = getSeededServerId();
+
+    await gotoAppShell(page);
+    await openSettings(page);
+    await openHostPage(page, serverId);
+
+    await expect(page.getByTestId("host-page-label-input")).toHaveCount(0);
+
+    await page.getByTestId("host-page-label-edit-button").click();
+
+    await expect(page.getByTestId("host-page-label-input")).toBeVisible();
+    await expect(page.getByTestId("host-page-label-input")).toHaveValue(TEST_HOST_LABEL);
+    await expect(page.getByTestId("host-page-label-save")).toBeVisible();
+  });
+
+  test("host page does not render pair-device or daemon-lifecycle rows for a remote daemon", async ({
+    page,
+  }) => {
+    const serverId = getSeededServerId();
+
+    await gotoAppShell(page);
+    await openSettings(page);
+    await openHostPage(page, serverId);
+
+    // TODO: add local-daemon fixture for positive Pair/Daemon coverage.
+    // Pair-device now lives behind a row that only the local host sees
+    // (gated by useIsLocalDaemon); the seeded host is remote, so it must
+    // not appear. The daemon-lifecycle card is still local-host only.
+    await expect(page.getByTestId("host-page-pair-device-row")).toHaveCount(0);
+    await expect(page.getByTestId("host-page-daemon-lifecycle-card")).toHaveCount(0);
+  });
+
+  test("settings sidebar does not expose retired top-level sections", async ({ page }) => {
+    await gotoAppShell(page);
+    await openSettings(page);
+
+    const sidebar = page.getByTestId("settings-sidebar");
+    await expect(sidebar).toBeVisible();
+
+    await expect(sidebar.getByRole("button", { name: "Hosts", exact: true })).toHaveCount(0);
+    await expect(sidebar.getByRole("button", { name: "Providers", exact: true })).toHaveCount(0);
+    await expect(sidebar.getByRole("button", { name: "Pair device", exact: true })).toHaveCount(0);
+    await expect(sidebar.getByRole("button", { name: "Daemon", exact: true })).toHaveCount(0);
+
+    await expect(sidebar.getByRole("button", { name: "General", exact: true })).toBeVisible();
+    await expect(sidebar.getByRole("button", { name: "Diagnostics", exact: true })).toBeVisible();
+    await expect(sidebar.getByRole("button", { name: "About", exact: true })).toBeVisible();
+  });
+
+  test("navigating to /settings/hosts/[serverId] directly renders the host page", async ({
+    page,
+  }) => {
+    const serverId = getSeededServerId();
+
+    await gotoAppShell(page);
+    await page.goto(`/settings/hosts/${encodeURIComponent(serverId)}`);
+
+    await expect(page.getByTestId(`settings-host-page-${serverId}`)).toBeVisible();
+    await expect(page.getByTestId("host-page-label-card")).toBeVisible();
+    await expect(page.getByTestId("host-page-remove-host-card")).toBeVisible();
+  });
+
+  test("sidebar pins the local daemon host first with a Local marker", async ({ page }) => {
+    const serverId = getSeededServerId();
+
+    // Simulate the Electron desktop bridge so `useIsLocalDaemon` resolves the
+    // seeded host to the local daemon. `manageBuiltInDaemon: false` bypasses
+    // the desktop bootstrap flow so only the sidebar's status query runs.
+    await page.addInitScript((localServerId) => {
+      localStorage.setItem(
+        "@paseo:app-settings",
+        JSON.stringify({ theme: "auto", manageBuiltInDaemon: false, sendBehavior: "interrupt" }),
+      );
+      (window as unknown as { paseoDesktop: unknown }).paseoDesktop = {
+        platform: "darwin",
+        invoke: async (command: string) => {
+          if (command === "desktop_daemon_status") {
+            return {
+              serverId: localServerId,
+              status: "running",
+              listen: null,
+              hostname: null,
+              pid: null,
+              home: "",
+              version: null,
+              desktopManaged: true,
+              error: null,
+            };
+          }
+          return null;
+        },
+        getPendingOpenProject: async () => null,
+        events: { on: async () => () => undefined },
+      };
+    }, serverId);
+
+    await gotoAppShell(page);
+    await openSettings(page);
+
+    const sidebar = page.getByTestId("settings-sidebar");
+    await expect(sidebar).toBeVisible({ timeout: 15000 });
+
+    const hostEntries = sidebar.locator('[data-testid^="settings-host-entry-"]');
+    await expect(hostEntries.first()).toHaveAttribute(
+      "data-testid",
+      `settings-host-entry-${serverId}`,
+    );
+
+    const localHostEntry = page.getByTestId(`settings-host-entry-${serverId}`);
+    await expect(localHostEntry.getByTestId("settings-host-local-marker")).toBeVisible();
+    await expect(localHostEntry.getByText("Local", { exact: true })).toBeVisible();
+  });
+});

packages/app/e2e/settings-navigation.spec.ts

@@ -0,0 +1,178 @@
+import { test, expect, type Page } from "./fixtures";
+import { gotoAppShell, openSettings } from "./helpers/app";
+
+function escapeRegex(value: string): string {
+  return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}
+
+function getServerId(): string {
+  const serverId = process.env.E2E_SERVER_ID;
+  if (!serverId) {
+    throw new Error("E2E_SERVER_ID is not set (expected from Playwright globalSetup).");
+  }
+  return serverId;
+}
+
+async function clickSidebarSection(page: Page, label: string) {
+  const sidebar = page.getByTestId("settings-sidebar");
+  await expect(sidebar).toBeVisible();
+  await sidebar.getByRole("button", { name: label, exact: true }).click();
+}
+
+test.describe("Settings sidebar navigation", () => {
+  test("clicking a sidebar section updates the URL and renders the section", async ({ page }) => {
+    await gotoAppShell(page);
+    await openSettings(page);
+
+    await clickSidebarSection(page, "Diagnostics");
+    await expect(page).toHaveURL(/\/settings\/diagnostics$/);
+    await expect(page.getByRole("button", { name: "Play test" })).toBeVisible();
+    await expect(page.getByTestId("settings-detail-header-title")).toHaveText("Diagnostics");
+
+    await clickSidebarSection(page, "About");
+    await expect(page).toHaveURL(/\/settings\/about$/);
+    await expect(page.getByText("Version", { exact: true }).first()).toBeVisible();
+    await expect(page.getByTestId("settings-detail-header-title")).toHaveText("About");
+
+    await clickSidebarSection(page, "General");
+    await expect(page).toHaveURL(/\/settings\/general$/);
+    await expect(page.getByText("Theme", { exact: true }).first()).toBeVisible();
+    await expect(page.getByTestId("settings-detail-header-title")).toHaveText("General");
+  });
+
+  test("/h/[serverId]/settings redirects to /settings/hosts/[serverId]", async ({ page }) => {
+    const serverId = getServerId();
+    await gotoAppShell(page);
+    await page.goto(`/h/${encodeURIComponent(serverId)}/settings`);
+    await expect(page).toHaveURL(
+      new RegExp(`/settings/hosts/${escapeRegex(encodeURIComponent(serverId))}$`),
+    );
+  });
+
+  test("the + Add host button opens the add-host method modal", async ({ page }) => {
+    await gotoAppShell(page);
+    await openSettings(page);
+
+    await page.getByTestId("settings-add-host").click();
+    await expect(page.getByText("Add connection", { exact: true })).toBeVisible();
+    await expect(page.getByRole("button", { name: "Direct connection" })).toBeVisible();
+    await expect(page.getByRole("button", { name: "Paste pairing link" })).toBeVisible();
+  });
+
+  test("sidebar shows a Back to workspace row that leaves /settings", async ({ page }) => {
+    await gotoAppShell(page);
+    await openSettings(page);
+
+    const backRow = page.getByTestId("settings-back-to-workspace");
+    await expect(backRow).toBeVisible();
+
+    await backRow.click();
+    await expect(page).not.toHaveURL(/\/settings(\/|$)/);
+  });
+});
+
+test.describe("Settings — compact master-detail", () => {
+  test.use({ viewport: { width: 390, height: 844 } });
+
+  async function openCompactSettingsRoot(page: Page) {
+    await gotoAppShell(page);
+    // Wait for bootstrap to settle on a host route so storeReady is true before
+    // we navigate into the protected settings stack. A direct page.goto("/settings")
+    // on a cold load is eaten by Stack.Protected while bootstrap is still running.
+    await expect(page).toHaveURL(/\/h\/|\/welcome/, { timeout: 15000 });
+
+    // Drive navigation the same way a user would: open the mobile drawer and tap
+    // the Settings footer icon. This preserves the in-app router state instead of
+    // triggering a full reload through Stack.Protected.
+    await page.getByRole("button", { name: "Open menu", exact: true }).first().click();
+    const sidebarSettingsButton = page.locator('[data-testid="sidebar-settings"]:visible').first();
+    await expect(sidebarSettingsButton).toBeVisible();
+    await sidebarSettingsButton.click();
+
+    await expect(page).toHaveURL(/\/settings$/);
+    await expect(page.getByTestId("settings-sidebar")).toBeVisible();
+  }
+
+  test("/settings renders only the sidebar list (no section content)", async ({ page }) => {
+    await openCompactSettingsRoot(page);
+
+    // Sidebar rows are present.
+    await expect(
+      page.getByTestId("settings-sidebar").getByRole("button", { name: "General", exact: true }),
+    ).toBeVisible();
+    await expect(
+      page
+        .getByTestId("settings-sidebar")
+        .getByRole("button", { name: "Diagnostics", exact: true }),
+    ).toBeVisible();
+    await expect(
+      page.getByTestId("settings-sidebar").getByRole("button", { name: "About", exact: true }),
+    ).toBeVisible();
+
+    // Section detail content is NOT rendered at the root.
+    await expect(page.getByText("Theme", { exact: true })).toHaveCount(0);
+    await expect(page.getByRole("button", { name: "Play test" })).toHaveCount(0);
+    await expect(page.getByTestId("host-page-label-card")).toHaveCount(0);
+
+    // Root shows the menu header, not a back button.
+    await expect(page.getByRole("button", { name: "Back", exact: true })).toHaveCount(0);
+  });
+
+  test("tapping a section pushes /settings/[section] and shows a back button", async ({ page }) => {
+    await openCompactSettingsRoot(page);
+
+    await page
+      .getByTestId("settings-sidebar")
+      .getByRole("button", { name: "Diagnostics", exact: true })
+      .click();
+    await expect(page).toHaveURL(/\/settings\/diagnostics$/);
+    await expect(page.getByRole("button", { name: "Play test" })).toBeVisible();
+    // Sidebar is no longer visible — we are on a detail screen.
+    // (Expo Router stack keeps the previous screen in the DOM but hidden; check
+    // only visible instances.)
+    await expect(page.locator('[data-testid="settings-sidebar"]:visible')).toHaveCount(0);
+    await expect(page.getByRole("button", { name: "Back", exact: true })).toBeVisible();
+  });
+
+  test("back from a section detail returns to the /settings list", async ({ page }) => {
+    await openCompactSettingsRoot(page);
+
+    await page
+      .getByTestId("settings-sidebar")
+      .getByRole("button", { name: "About", exact: true })
+      .click();
+    await expect(page).toHaveURL(/\/settings\/about$/);
+
+    await page.getByRole("button", { name: "Back", exact: true }).click();
+    await expect(page).toHaveURL(/\/settings$/);
+    await expect(page.getByTestId("settings-sidebar")).toBeVisible();
+    await expect(page.getByRole("button", { name: "Back", exact: true })).toHaveCount(0);
+  });
+
+  test("tapping a host entry pushes /settings/hosts/[serverId]", async ({ page }) => {
+    const serverId = getServerId();
+    await openCompactSettingsRoot(page);
+
+    await page.getByTestId(`settings-host-entry-${serverId}`).click();
+    await expect(page).toHaveURL(
+      new RegExp(`/settings/hosts/${escapeRegex(encodeURIComponent(serverId))}$`),
+    );
+    await expect(page.getByTestId(`settings-host-page-${serverId}`)).toBeVisible();
+    await expect(page.getByRole("button", { name: "Back", exact: true })).toBeVisible();
+    await expect(page.locator('[data-testid="settings-sidebar"]:visible')).toHaveCount(0);
+  });
+
+  test("back from a host detail returns to the /settings list", async ({ page }) => {
+    const serverId = getServerId();
+    await openCompactSettingsRoot(page);
+
+    await page.getByTestId(`settings-host-entry-${serverId}`).click();
+    await expect(page).toHaveURL(
+      new RegExp(`/settings/hosts/${escapeRegex(encodeURIComponent(serverId))}$`),
+    );
+
+    await page.getByRole("button", { name: "Back", exact: true }).click();
+    await expect(page).toHaveURL(/\/settings$/);
+    await expect(page.getByTestId("settings-sidebar")).toBeVisible();
+  });
+});

packages/app/src/app/_layout.tsx

@@ -802,7 +802,8 @@ function RootStack() {
     >
       <Stack.Protected guard={storeReady}>
         <Stack.Screen name="welcome" />
-        <Stack.Screen name="settings" />
+        <Stack.Screen name="settings/index" />
+        <Stack.Screen name="settings/[section]" />
         <Stack.Screen name="pair-scan" />
       </Stack.Protected>
       <Stack.Screen
@@ -819,6 +820,7 @@ function RootStack() {
       <Stack.Screen name="h/[serverId]/open-project" />
       <Stack.Screen name="h/[serverId]/settings" />
       <Stack.Screen name="index" />
+      <Stack.Screen name="settings/hosts/[serverId]" />
     </Stack>
   );
 }

packages/app/src/app/h/[serverId]/index.tsx

@@ -1,98 +1,9 @@
-import { useEffect } from "react";
-import { useLocalSearchParams, usePathname, useRouter } from "expo-router";
-import { HostRouteBootstrapBoundary } from "@/components/host-route-bootstrap-boundary";
-import { useSessionStore } from "@/stores/session-store";
-import { useFormPreferences } from "@/hooks/use-form-preferences";
-import {
-  buildHostAgentDetailRoute,
-  buildHostOpenProjectRoute,
-  buildHostRootRoute,
-  buildHostWorkspaceOpenRoute,
-} from "@/utils/host-routes";
-import { resolveWorkspaceIdByExecutionDirectory } from "@/utils/workspace-execution";
-import { prepareWorkspaceTab } from "@/utils/workspace-navigation";
-
-const HOST_ROOT_REDIRECT_DELAY_MS = 300;
+import { Redirect, useLocalSearchParams } from "expo-router";
+import { buildHostOpenProjectRoute } from "@/utils/host-routes";
 
 export default function HostIndexRoute() {
-  return (
-    <HostRouteBootstrapBoundary>
-      <HostIndexRouteContent />
-    </HostRouteBootstrapBoundary>
-  );
-}
-
-function HostIndexRouteContent() {
-  const router = useRouter();
-  const pathname = usePathname();
   const params = useLocalSearchParams<{ serverId?: string }>();
   const serverId = typeof params.serverId === "string" ? params.serverId : "";
-  const { isLoading: preferencesLoading } = useFormPreferences();
-  const sessionAgents = useSessionStore((state) =>
-    serverId ? state.sessions[serverId]?.agents : undefined,
-  );
-  const sessionWorkspaces = useSessionStore((state) =>
-    serverId ? state.sessions[serverId]?.workspaces : undefined,
-  );
-
-  useEffect(() => {
-    if (preferencesLoading) {
-      return;
-    }
-    if (!serverId) {
-      return;
-    }
-    const rootRoute = buildHostRootRoute(serverId);
-    if (pathname !== rootRoute && pathname !== `${rootRoute}/`) {
-      return;
-    }
-    const timer = setTimeout(() => {
-      if (pathname !== rootRoute && pathname !== `${rootRoute}/`) {
-        return;
-      }
-
-      const visibleAgents = sessionAgents
-        ? Array.from(sessionAgents.values()).filter((agent) => !agent.archivedAt)
-        : [];
-      visibleAgents.sort(
-        (left, right) => right.lastActivityAt.getTime() - left.lastActivityAt.getTime(),
-      );
-
-      const visibleWorkspaces = sessionWorkspaces ? Array.from(sessionWorkspaces.values()) : [];
-
-      const primaryAgent = visibleAgents[0];
-      const primaryAgentWorkspaceId = resolveWorkspaceIdByExecutionDirectory({
-        workspaces: sessionWorkspaces?.values(),
-        workspaceDirectory: primaryAgent?.cwd,
-      });
-      if (primaryAgent && primaryAgentWorkspaceId) {
-        router.replace(
-          prepareWorkspaceTab({
-            serverId,
-            workspaceId: primaryAgentWorkspaceId,
-            target: { kind: "agent", agentId: primaryAgent.id },
-          }) as any,
-        );
-        return;
-      }
-      if (primaryAgent) {
-        router.replace(buildHostAgentDetailRoute(serverId, primaryAgent.id) as any);
-        return;
-      }
-
-      const primaryWorkspace = visibleWorkspaces[0];
-      if (primaryWorkspace?.id?.trim()) {
-        router.replace(
-          buildHostWorkspaceOpenRoute(serverId, primaryWorkspace.id.trim(), "draft:new") as any,
-        );
-        return;
-      }
-
-      router.replace(buildHostOpenProjectRoute(serverId));
-    }, HOST_ROOT_REDIRECT_DELAY_MS);
-
-    return () => clearTimeout(timer);
-  }, [pathname, preferencesLoading, router, serverId, sessionAgents, sessionWorkspaces]);
-
-  return null;
+  if (!serverId) return null;
+  return <Redirect href={buildHostOpenProjectRoute(serverId)} />;
 }

packages/app/src/app/h/[serverId]/settings.tsx

@@ -1,10 +1,15 @@
+import { Redirect, useLocalSearchParams } from "expo-router";
 import { HostRouteBootstrapBoundary } from "@/components/host-route-bootstrap-boundary";
-import SettingsScreen from "@/screens/settings-screen";
+import { buildSettingsHostRoute, buildSettingsRoute } from "@/utils/host-routes";
+
+export default function LegacyHostSettingsRoute() {
+  const params = useLocalSearchParams<{ serverId?: string }>();
+  const serverId = typeof params.serverId === "string" ? params.serverId.trim() : "";
+  const href = serverId.length > 0 ? buildSettingsHostRoute(serverId) : buildSettingsRoute();
 
-export default function HostSettingsRoute() {
   return (
     <HostRouteBootstrapBoundary>
-      <SettingsScreen />
+      <Redirect href={href} />
     </HostRouteBootstrapBoundary>
   );
 }

packages/app/src/app/pair-scan.tsx

@@ -5,35 +5,19 @@ import { useSafeAreaInsets } from "react-native-safe-area-context";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { CameraView, useCameraPermissions } from "expo-camera";
 import type { BarcodeScanningResult } from "expo-camera";
-import { useHosts, useHostMutations } from "@/runtime/host-runtime";
+import { useHostMutations } from "@/runtime/host-runtime";
 import { decodeOfferFragmentPayload, normalizeHostPort } from "@/utils/daemon-endpoints";
 import { connectToDaemon } from "@/utils/test-daemon-connection";
 import { ConnectionOfferSchema } from "@server/shared/connection-offer";
-import { buildHostRootRoute, buildHostSettingsRoute } from "@/utils/host-routes";
+import { buildHostRootRoute, buildSettingsHostRoute } from "@/utils/host-routes";
 import { isWeb } from "@/constants/platform";
+import { BackHeader } from "@/components/headers/back-header";
 
 const styles = StyleSheet.create((theme) => ({
   container: {
     flex: 1,
     backgroundColor: theme.colors.surface0,
   },
-  header: {
-    paddingHorizontal: theme.spacing[6],
-    paddingBottom: theme.spacing[4],
-    flexDirection: "row",
-    justifyContent: "space-between",
-    alignItems: "center",
-  },
-  headerTitle: {
-    color: theme.colors.foreground,
-    fontSize: theme.fontSize.lg,
-    fontWeight: theme.fontWeight.semibold,
-  },
-  headerButtonText: {
-    color: theme.colors.palette.blue[400],
-    fontSize: theme.fontSize.base,
-    fontWeight: theme.fontWeight.medium,
-  },
   body: {
     flex: 1,
     paddingHorizontal: theme.spacing[6],
@@ -140,63 +124,32 @@ export default function PairScanScreen() {
   const router = useRouter();
   const params = useLocalSearchParams<{
     source?: string;
-    sourceServerId?: string;
-    targetServerId?: string;
   }>();
   const source = typeof params.source === "string" ? params.source : "settings";
-  const sourceServerId = typeof params.sourceServerId === "string" ? params.sourceServerId : null;
-  const targetServerId = typeof params.targetServerId === "string" ? params.targetServerId : null;
-  const daemons = useHosts();
   const { upsertConnectionFromOfferUrl: upsertDaemonFromOfferUrl } = useHostMutations();
 
   const [permission, requestPermission] = useCameraPermissions();
   const [isPairing, setIsPairing] = useState(false);
   const lastScannedRef = useRef<string | null>(null);
 
-  const returnToSource = useCallback(
+  const navigateToPairedHost = useCallback(
     (serverId: string) => {
       if (source === "onboarding") {
         router.replace(buildHostRootRoute(serverId));
         return;
       }
-      if (source === "editHost" && targetServerId) {
-        const settingsServerId = sourceServerId ?? targetServerId;
-        router.replace({
-          pathname: buildHostSettingsRoute(settingsServerId),
-          params: { editHost: targetServerId },
-        } as any);
-        return;
-      }
-      // settings (default): return to previous screen
-      try {
-        router.back();
-      } catch {
-        const settingsServerId = sourceServerId ?? serverId;
-        router.replace(buildHostSettingsRoute(settingsServerId));
-      }
+      router.replace(buildSettingsHostRoute(serverId));
     },
-    [router, source, sourceServerId, targetServerId],
+    [router, source],
   );
 
   const closeToSource = useCallback(() => {
-    if (source === "editHost" && targetServerId) {
-      const settingsServerId = sourceServerId ?? targetServerId;
-      router.replace({
-        pathname: buildHostSettingsRoute(settingsServerId),
-        params: { editHost: targetServerId },
-      } as any);
-      return;
-    }
     try {
       router.back();
     } catch {
-      if (sourceServerId) {
-        router.replace(buildHostSettingsRoute(sourceServerId));
-        return;
-      }
       router.replace("/" as any);
     }
-  }, [router, source, sourceServerId, targetServerId]);
+  }, [router]);
 
   useEffect(() => {
     if (isWeb) return;
@@ -220,15 +173,6 @@ export default function PairScanScreen() {
         const offerPayload = decodeOfferFragmentPayload(encoded);
         const offer = ConnectionOfferSchema.parse(offerPayload);
 
-        if (targetServerId && offer.serverId !== targetServerId) {
-          lastScannedRef.current = null;
-          Alert.alert(
-            "Wrong daemon",
-            `That QR code belongs to ${offer.serverId}, not ${targetServerId}.`,
-          );
-          return;
-        }
-
         const { client, hostname } = await connectToDaemon(
           {
             id: "probe",
@@ -242,7 +186,7 @@ export default function PairScanScreen() {
 
         const profile = await upsertDaemonFromOfferUrl(offerUrl, hostname ?? undefined);
 
-        returnToSource(profile.serverId);
+        navigateToPairedHost(profile.serverId);
       } catch (error) {
         lastScannedRef.current = null;
         const message = error instanceof Error ? error.message : "Unable to pair host";
@@ -251,18 +195,13 @@ export default function PairScanScreen() {
         setIsPairing(false);
       }
     },
-    [daemons, isPairing, returnToSource, targetServerId, upsertDaemonFromOfferUrl],
+    [isPairing, navigateToPairedHost, upsertDaemonFromOfferUrl],
   );
 
   if (isWeb) {
     return (
       <View style={styles.container}>
-        <View style={[styles.header, { paddingTop: insets.top + theme.spacing[2] }]}>
-          <Text style={styles.headerTitle}>Scan QR</Text>
-          <Pressable onPress={() => router.back()}>
-            <Text style={styles.headerButtonText}>Close</Text>
-          </Pressable>
-        </View>
+        <BackHeader title="Scan QR" onBack={() => router.back()} />
         <View style={[styles.body, { paddingBottom: insets.bottom + theme.spacing[6] }]}>
           <View style={styles.permissionCard}>
             <Text style={styles.permissionTitle}>Not available on web</Text>
@@ -282,12 +221,7 @@ export default function PairScanScreen() {
 
   return (
     <View style={styles.container}>
-      <View style={[styles.header, { paddingTop: insets.top + theme.spacing[2] }]}>
-        <Text style={styles.headerTitle}>Scan QR</Text>
-        <Pressable onPress={closeToSource}>
-          <Text style={styles.headerButtonText}>Close</Text>
-        </Pressable>
-      </View>
+      <BackHeader title="Scan QR" onBack={closeToSource} />
 
       <View style={[styles.body, { paddingBottom: insets.bottom + theme.spacing[6] }]}>
         {!granted ? (

packages/app/src/app/settings.tsx

@@ -1,27 +0,0 @@
-import { useEffect, useMemo } from "react";
-import { useRouter } from "expo-router";
-import { DraftAgentScreen } from "@/screens/agent/draft-agent-screen";
-import { useHosts } from "@/runtime/host-runtime";
-import { buildHostSettingsRoute } from "@/utils/host-routes";
-
-export default function LegacySettingsRoute() {
-  const router = useRouter();
-  const daemons = useHosts();
-
-  const targetServerId = useMemo(() => {
-    return daemons[0]?.serverId ?? null;
-  }, [daemons]);
-
-  useEffect(() => {
-    if (!targetServerId) {
-      return;
-    }
-    router.replace(buildHostSettingsRoute(targetServerId));
-  }, [router, targetServerId]);
-
-  if (!targetServerId) {
-    return <DraftAgentScreen />;
-  }
-
-  return null;
-}

packages/app/src/app/settings/[section].tsx

@@ -0,0 +1,11 @@
+import { useLocalSearchParams } from "expo-router";
+import SettingsScreen from "@/screens/settings-screen";
+import { isSettingsSectionSlug, type SettingsSectionSlug } from "@/utils/host-routes";
+
+export default function SettingsSectionRoute() {
+  const params = useLocalSearchParams<{ section?: string }>();
+  const rawSection = typeof params.section === "string" ? params.section : "";
+  const section: SettingsSectionSlug = isSettingsSectionSlug(rawSection) ? rawSection : "general";
+
+  return <SettingsScreen view={{ kind: "section", section }} />;
+}

packages/app/src/app/settings/hosts/[serverId].tsx

@@ -0,0 +1,14 @@
+import { useLocalSearchParams } from "expo-router";
+import { HostRouteBootstrapBoundary } from "@/components/host-route-bootstrap-boundary";
+import SettingsScreen from "@/screens/settings-screen";
+
+export default function SettingsHostRoute() {
+  const params = useLocalSearchParams<{ serverId?: string }>();
+  const serverId = typeof params.serverId === "string" ? params.serverId.trim() : "";
+
+  return (
+    <HostRouteBootstrapBoundary>
+      <SettingsScreen view={{ kind: "host", serverId }} />
+    </HostRouteBootstrapBoundary>
+  );
+}

packages/app/src/app/settings/index.tsx

@@ -0,0 +1,14 @@
+import { Redirect } from "expo-router";
+import { useIsCompactFormFactor } from "@/constants/layout";
+import SettingsScreen from "@/screens/settings-screen";
+import { buildSettingsSectionRoute } from "@/utils/host-routes";
+
+export default function SettingsIndexRoute() {
+  const isCompactLayout = useIsCompactFormFactor();
+
+  if (!isCompactLayout) {
+    return <Redirect href={buildSettingsSectionRoute("general")} />;
+  }
+
+  return <SettingsScreen view={{ kind: "root" }} />;
+}

packages/app/src/components/add-host-method-modal.tsx

@@ -70,6 +70,7 @@ export function AddHostMethodModal({
       <Pressable
         style={styles.option}
         onPress={handleDirect}
+        accessibilityRole="button"
         accessibilityLabel="Direct connection"
         testID="add-host-method-direct"
       >
@@ -81,7 +82,12 @@ export function AddHostMethodModal({
       </Pressable>
 
       {isNative ? (
-        <Pressable style={styles.option} onPress={handleScan} accessibilityLabel="Scan QR code">
+        <Pressable
+          style={styles.option}
+          onPress={handleScan}
+          accessibilityRole="button"
+          accessibilityLabel="Scan QR code"
+        >
           <QrCode size={18} color={theme.colors.foreground} />
           <View style={styles.optionBody}>
             <Text style={styles.optionText}>Scan QR code</Text>
@@ -93,6 +99,7 @@ export function AddHostMethodModal({
       <Pressable
         style={styles.option}
         onPress={handlePaste}
+        accessibilityRole="button"
         accessibilityLabel="Paste pairing link"
         testID="add-host-method-pair-link"
       >

packages/app/src/components/add-host-modal.tsx

@@ -132,7 +132,6 @@ function buildConnectionFailureCopy(
 export interface AddHostModalProps {
   visible: boolean;
   onClose: () => void;
-  targetServerId?: string;
   onCancel?: () => void;
   onSaved?: (result: {
     profile: HostProfile;
@@ -142,13 +141,7 @@ export interface AddHostModalProps {
   }) => void;
 }
 
-export function AddHostModal({
-  visible,
-  onClose,
-  onCancel,
-  onSaved,
-  targetServerId,
-}: AddHostModalProps) {
+export function AddHostModal({ visible, onClose, onCancel, onSaved }: AddHostModalProps) {
   const { theme } = useUnistyles();
   const daemons = useHosts();
   const { upsertDirectConnection } = useHostMutations();
@@ -211,15 +204,6 @@ export function AddHostModal({
         endpoint,
       });
       await client.close().catch(() => undefined);
-      if (targetServerId && serverId !== targetServerId) {
-        const message = `That endpoint belongs to ${serverId}, not ${targetServerId}.`;
-        setErrorMessage(message);
-        if (!isMobile) {
-          Alert.alert("Wrong daemon", message);
-        }
-        return;
-      }
-
       const isNewHost = !daemons.some((daemon) => daemon.serverId === serverId);
       const profile = await upsertDirectConnection({
         serverId,
@@ -245,7 +229,7 @@ export function AddHostModal({
     } finally {
       setIsSaving(false);
     }
-  }, [daemons, handleClose, isMobile, isSaving, onSaved, targetServerId, upsertDirectConnection]);
+  }, [daemons, handleClose, isMobile, isSaving, onSaved, upsertDirectConnection]);
 
   return (
     <AdaptiveModalSheet

packages/app/src/components/branch-switcher.tsx

@@ -1,5 +1,5 @@
 import { useRef } from "react";
-import { Pressable, Text, View } from "react-native";
+import { Pressable, View } from "react-native";
 import { useQueryClient } from "@tanstack/react-query";
 import { ChevronDown, GitBranch } from "lucide-react-native";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
@@ -8,6 +8,7 @@ import { useIsCompactFormFactor } from "@/constants/layout";
 import { useHostRuntimeClient, useHostRuntimeIsConnected } from "@/runtime/host-runtime";
 import { useToast } from "@/contexts/toast-context";
 import { useBranchSwitcher } from "@/hooks/use-branch-switcher";
+import { ScreenTitle } from "@/components/headers/screen-title";
 
 interface BranchSwitcherProps {
   currentBranchName: string | null;
@@ -46,9 +47,7 @@ export function BranchSwitcher({
   const titleContent = (
     <>
       {isGitCheckout ? <GitBranch size={14} color={theme.colors.foregroundMuted} /> : null}
-      <Text testID="workspace-header-title" style={styles.headerTitle} numberOfLines={1}>
-        {title}
-      </Text>
+      <ScreenTitle testID="workspace-header-title">{title}</ScreenTitle>
     </>
   );
 
@@ -102,15 +101,6 @@ export function BranchSwitcher({
 }
 
 const styles = StyleSheet.create((theme) => ({
-  headerTitle: {
-    fontSize: theme.fontSize.base,
-    fontWeight: {
-      xs: "400",
-      md: "300",
-    },
-    color: theme.colors.foreground,
-    flexShrink: 1,
-  },
   branchSwitcherTrigger: {
     flexDirection: "row",
     alignItems: "center",

packages/app/src/components/headers/back-header.tsx

@@ -1,31 +1,35 @@
 import type { ReactNode } from "react";
-import { Pressable, Text } from "react-native";
+import { Pressable } from "react-native";
 import { router } from "expo-router";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { ArrowLeft } from "lucide-react-native";
 import { ScreenHeader } from "./screen-header";
+import { ScreenTitle } from "./screen-title";
 
 interface BackHeaderProps {
   title?: string;
+  titleAccessory?: ReactNode;
   rightContent?: ReactNode;
   onBack?: () => void;
 }
 
-export function BackHeader({ title, rightContent, onBack }: BackHeaderProps) {
+export function BackHeader({ title, titleAccessory, rightContent, onBack }: BackHeaderProps) {
   const { theme } = useUnistyles();
 
   return (
     <ScreenHeader
       left={
         <>
-          <Pressable onPress={onBack ?? (() => router.back())} style={styles.backButton}>
+          <Pressable
+            onPress={onBack ?? (() => router.back())}
+            style={styles.backButton}
+            accessibilityRole="button"
+            accessibilityLabel="Back"
+          >
             <ArrowLeft size={theme.iconSize.lg} color={theme.colors.foregroundMuted} />
           </Pressable>
-          {title && (
-            <Text style={styles.title} numberOfLines={1}>
-              {title}
-            </Text>
-          )}
+          {title && <ScreenTitle>{title}</ScreenTitle>}
+          {titleAccessory}
         </>
       }
       right={rightContent}
@@ -45,13 +49,4 @@ const styles = StyleSheet.create((theme) => ({
     },
     borderRadius: theme.borderRadius.lg,
   },
-  title: {
-    flex: 1,
-    fontSize: theme.fontSize.lg,
-    fontWeight: {
-      xs: theme.fontWeight.semibold,
-      md: "400",
-    },
-    color: theme.colors.foreground,
-  },
 }));

packages/app/src/components/headers/header-icon-badge.tsx

@@ -0,0 +1,13 @@
+import type { ReactNode } from "react";
+import { View } from "react-native";
+import { headerIconSlotStyle } from "./header-toggle-button";
+
+/**
+ * Non-interactive icon slot sitting at the start of a screen header's left
+ * cluster. Shares the same padding + border-radius as `HeaderToggleButton` so
+ * decorative headers (settings sections, host detail) line up with the sidebar
+ * toggle across screens.
+ */
+export function HeaderIconBadge({ children }: { children: ReactNode }) {
+  return <View style={headerIconSlotStyle.slot}>{children}</View>;
+}

packages/app/src/components/headers/header-toggle-button.tsx

@@ -51,7 +51,7 @@ export function HeaderToggleButton({
         onPress={(e) => {
           onPress(e);
         }}
-        style={[styles.button, style]}
+        style={[headerIconSlotStyle.slot, style]}
       >
         {typeof children === "function"
           ? (state: { pressed: boolean; hovered?: boolean }) =>
@@ -68,14 +68,17 @@ export function HeaderToggleButton({
   );
 }
 
-const styles = StyleSheet.create((theme) => ({
-  button: {
+export const headerIconSlotStyle = StyleSheet.create((theme) => ({
+  slot: {
     padding: {
       xs: theme.spacing[3],
       md: theme.spacing[2],
     },
     borderRadius: theme.borderRadius.lg,
   },
+}));
+
+const styles = StyleSheet.create((theme) => ({
   tooltipRow: {
     flexDirection: "row",
     alignItems: "center",

packages/app/src/components/headers/menu-header.tsx

@@ -1,8 +1,9 @@
 import type { ReactNode } from "react";
-import { Text, View, type StyleProp, type ViewStyle } from "react-native";
+import { View, type StyleProp, type ViewStyle } from "react-native";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { PanelLeft } from "lucide-react-native";
 import { ScreenHeader } from "./screen-header";
+import { ScreenTitle } from "./screen-title";
 import { HeaderToggleButton } from "./header-toggle-button";
 import { usePanelStore } from "@/stores/panel-store";
 import { useIsCompactFormFactor } from "@/constants/layout";
@@ -83,11 +84,7 @@ export function MenuHeader({ title, rightContent, borderless }: MenuHeaderProps)
       left={
         <>
           <SidebarMenuToggle />
-          {title && (
-            <Text style={styles.title} numberOfLines={1}>
-              {title}
-            </Text>
-          )}
+          {title && <ScreenTitle>{title}</ScreenTitle>}
         </>
       }
       right={rightContent}
@@ -101,15 +98,6 @@ const styles = StyleSheet.create((theme) => ({
   left: {
     gap: theme.spacing[2],
   },
-  title: {
-    flex: 1,
-    fontSize: theme.fontSize.base,
-    fontWeight: {
-      xs: "400",
-      md: "300",
-    },
-    color: theme.colors.foreground,
-  },
   mobileMenuIcon: {
     width: MOBILE_MENU_LINE_WIDTH,
     height: 12,

packages/app/src/components/headers/screen-title.tsx

@@ -0,0 +1,35 @@
+import type { ReactNode } from "react";
+import { Text, type StyleProp, type TextStyle } from "react-native";
+import { StyleSheet } from "react-native-unistyles";
+
+interface ScreenTitleProps {
+  children: ReactNode;
+  numberOfLines?: number;
+  testID?: string;
+  style?: StyleProp<TextStyle>;
+}
+
+/**
+ * Canonical screen title for use inside `ScreenHeader`. One typography, one
+ * color, responsive weight. Leading icons are siblings (HeaderToggleButton,
+ * HeaderIconBadge) — never nested inside this component.
+ */
+export function ScreenTitle({ children, numberOfLines = 1, testID, style }: ScreenTitleProps) {
+  return (
+    <Text style={[styles.text, style]} numberOfLines={numberOfLines} testID={testID}>
+      {children}
+    </Text>
+  );
+}
+
+const styles = StyleSheet.create((theme) => ({
+  text: {
+    flexShrink: 1,
+    fontSize: theme.fontSize.base,
+    fontWeight: {
+      xs: "400",
+      md: "300",
+    },
+    color: theme.colors.foreground,
+  },
+}));

packages/app/src/components/left-sidebar.tsx

@@ -33,6 +33,7 @@ import { Shortcut } from "@/components/ui/shortcut";
 import { useShortcutKeys } from "@/hooks/use-shortcut-keys";
 import { router, usePathname } from "expo-router";
 import { usePanelStore, MIN_SIDEBAR_WIDTH, MAX_SIDEBAR_WIDTH } from "@/stores/panel-store";
+import { SidebarHeaderRow } from "@/components/sidebar/sidebar-header-row";
 import { SidebarWorkspaceList } from "./sidebar-workspace-list";
 import { SidebarAgentListSkeleton } from "./sidebar-agent-list-skeleton";
 import { useSidebarShortcutModel } from "@/hooks/use-sidebar-shortcut-model";
@@ -46,14 +47,10 @@ import { TitlebarDragRegion } from "@/components/desktop/titlebar-drag-region";
 import { Combobox, ComboboxItem, type ComboboxOption } from "@/components/ui/combobox";
 import { useHostRuntimeSnapshot, useHosts } from "@/runtime/host-runtime";
 import { formatConnectionStatus } from "@/utils/daemons";
-import {
-  HEADER_INNER_HEIGHT,
-  HEADER_INNER_HEIGHT_MOBILE,
-  useIsCompactFormFactor,
-} from "@/constants/layout";
+import { useIsCompactFormFactor } from "@/constants/layout";
 import {
   buildHostSessionsRoute,
-  buildHostSettingsRoute,
+  buildSettingsRoute,
   mapPathnameToServer,
   parseServerIdFromPathname,
 } from "@/utils/host-routes";
@@ -220,19 +217,13 @@ export const LeftSidebar = memo(function LeftSidebar({
   }, [openProjectPicker]);
 
   const handleSettingsMobile = useCallback(() => {
-    if (!activeServerId) {
-      return;
-    }
     closeToAgent();
-    router.push(buildHostSettingsRoute(activeServerId));
-  }, [activeServerId, closeToAgent]);
+    router.push(buildSettingsRoute());
+  }, [closeToAgent]);
 
   const handleSettingsDesktop = useCallback(() => {
-    if (!activeServerId) {
-      return;
-    }
-    router.push(buildHostSettingsRoute(activeServerId));
-  }, [activeServerId]);
+    router.push(buildSettingsRoute());
+  }, []);
 
   const handleViewMoreNavigate = useCallback(() => {
     if (!activeServerId) {
@@ -328,44 +319,6 @@ function HostSwitchOption({
   );
 }
 
-function SessionsButton({ onPress }: { onPress: () => void }) {
-  const { theme } = useUnistyles();
-  const pathname = usePathname();
-  const isActive = pathname.includes("/sessions");
-
-  return (
-    <Pressable
-      style={({ hovered }) => [
-        styles.newAgentButton,
-        hovered && styles.newAgentButtonHovered,
-        isActive && styles.newAgentButtonActive,
-      ]}
-      testID="sidebar-sessions"
-      accessible
-      accessibilityRole="button"
-      accessibilityLabel="Sessions"
-      onPress={onPress}
-    >
-      {({ hovered }) => (
-        <>
-          <MessagesSquare
-            size={theme.iconSize.md}
-            color={hovered || isActive ? theme.colors.foreground : theme.colors.foregroundMuted}
-          />
-          <Text
-            style={[
-              styles.newAgentButtonText,
-              (hovered || isActive) && styles.newAgentButtonTextHovered,
-            ]}
-          >
-            Sessions
-          </Text>
-        </>
-      )}
-    </Pressable>
-  );
-}
-
 function MobileSidebar({
   theme,
   activeServerId,
@@ -394,6 +347,8 @@ function MobileSidebar({
   handleViewMoreNavigate,
 }: MobileSidebarProps) {
   const newAgentKeys = useShortcutKeys("new-agent");
+  const pathname = usePathname();
+  const isSessionsActive = pathname.includes("/sessions");
   const {
     translateX,
     backdropOpacity,
@@ -544,11 +499,13 @@ function MobileSidebar({
           pointerEvents="auto"
         >
           <View style={styles.sidebarContent} pointerEvents="auto">
-            <View style={styles.sidebarHeader}>
-              <View style={styles.sidebarHeaderRow}>
-                <SessionsButton onPress={handleViewMore} />
-              </View>
-            </View>
+            <SidebarHeaderRow
+              icon={MessagesSquare}
+              label="Sessions"
+              onPress={handleViewMore}
+              isActive={isSessionsActive}
+              testID="sidebar-sessions"
+            />
 
             {isInitialLoad ? (
               <SidebarAgentListSkeleton />
@@ -676,6 +633,8 @@ function DesktopSidebar({
   handleViewMore,
 }: DesktopSidebarProps) {
   const newAgentKeys = useShortcutKeys("new-agent");
+  const pathname = usePathname();
+  const isSessionsActive = pathname.includes("/sessions");
   const padding = useWindowControlsPadding("sidebar");
   const sidebarWidth = usePanelStore((state) => state.sidebarWidth);
   const setSidebarWidth = usePanelStore((state) => state.setSidebarWidth);
@@ -732,11 +691,13 @@ function DesktopSidebar({
         <View style={styles.sidebarDragArea}>
           <TitlebarDragRegion />
           {padding.top > 0 ? <View style={{ height: padding.top }} /> : null}
-          <View style={styles.sidebarHeader}>
-            <View style={styles.sidebarHeaderRow}>
-              <SessionsButton onPress={handleViewMore} />
-            </View>
-          </View>
+          <SidebarHeaderRow
+            icon={MessagesSquare}
+            label="Sessions"
+            onPress={handleViewMore}
+            isActive={isSessionsActive}
+            testID="sidebar-sessions"
+          />
         </View>
 
         {isInitialLoad ? (
@@ -881,46 +842,6 @@ const styles = StyleSheet.create((theme) => ({
   sidebarDragArea: {
     position: "relative",
   },
-  sidebarHeader: {
-    height: {
-      xs: HEADER_INNER_HEIGHT_MOBILE,
-      md: HEADER_INNER_HEIGHT,
-    },
-    paddingHorizontal: theme.spacing[2],
-    justifyContent: "center",
-    borderBottomWidth: 1,
-    borderBottomColor: theme.colors.border,
-    userSelect: "none",
-  },
-  sidebarHeaderRow: {
-    flexDirection: "row",
-    alignItems: "center",
-    justifyContent: "space-between",
-    gap: theme.spacing[2],
-  },
-  newAgentButton: {
-    flex: 1,
-    flexDirection: "row",
-    alignItems: "center",
-    gap: theme.spacing[2],
-    paddingVertical: theme.spacing[2],
-    paddingHorizontal: theme.spacing[3],
-    borderRadius: theme.borderRadius.lg,
-  },
-  newAgentButtonText: {
-    fontSize: theme.fontSize.base,
-    fontWeight: theme.fontWeight.normal,
-    color: theme.colors.foregroundMuted,
-  },
-  newAgentButtonTextHovered: {
-    color: theme.colors.foreground,
-  },
-  newAgentButtonHovered: {
-    backgroundColor: theme.colors.surfaceSidebarHover,
-  },
-  newAgentButtonActive: {
-    backgroundColor: theme.colors.surfaceSidebarHover,
-  },
   hostTrigger: {
     flexDirection: "row",
     alignItems: "center",

packages/app/src/components/pair-link-modal.tsx

@@ -47,7 +47,6 @@ const styles = StyleSheet.create((theme) => ({
 export interface PairLinkModalProps {
   visible: boolean;
   onClose: () => void;
-  targetServerId?: string;
   onCancel?: () => void;
   onSaved?: (result: {
     profile: HostProfile;
@@ -57,13 +56,7 @@ export interface PairLinkModalProps {
   }) => void;
 }
 
-export function PairLinkModal({
-  visible,
-  onClose,
-  onCancel,
-  onSaved,
-  targetServerId,
-}: PairLinkModalProps) {
+export function PairLinkModal({ visible, onClose, onCancel, onSaved }: PairLinkModalProps) {
   const { theme } = useUnistyles();
   const daemons = useHosts();
   const { upsertConnectionFromOfferUrl: upsertDaemonFromOfferUrl } = useHostMutations();
@@ -128,15 +121,6 @@ export function PairLinkModal({
       return;
     }
 
-    if (targetServerId && parsedOffer.serverId !== targetServerId) {
-      const message = `That pairing link belongs to ${parsedOffer.serverId}, not ${targetServerId}.`;
-      setErrorMessage(message);
-      if (!isMobile) {
-        Alert.alert("Wrong daemon", message);
-      }
-      return;
-    }
-
     try {
       setIsSaving(true);
       setErrorMessage("");
@@ -165,7 +149,7 @@ export function PairLinkModal({
     } finally {
       setIsSaving(false);
     }
-  }, [daemons, handleClose, isMobile, isSaving, onSaved, targetServerId, upsertDaemonFromOfferUrl]);
+  }, [daemons, handleClose, isMobile, isSaving, onSaved, upsertDaemonFromOfferUrl]);
 
   return (
     <AdaptiveModalSheet

packages/app/src/components/sidebar/sidebar-header-row.tsx

@@ -0,0 +1,90 @@
+import { Pressable, Text, View } from "react-native";
+import { StyleSheet, useUnistyles } from "react-native-unistyles";
+import type { LucideIcon } from "lucide-react-native";
+import { HEADER_INNER_HEIGHT, HEADER_INNER_HEIGHT_MOBILE } from "@/constants/layout";
+
+interface SidebarHeaderRowProps {
+  icon: LucideIcon;
+  label: string;
+  onPress: () => void;
+  isActive?: boolean;
+  testID?: string;
+  nativeID?: string;
+  accessibilityLabel?: string;
+}
+
+/**
+ * Top-of-sidebar header row: a sidebar-height pressable with an icon + label
+ * and a full-width border separator beneath. Used as the first element of a
+ * sidebar (workspace "Sessions", settings "Back to workspace"). Owns its own
+ * separator line so both sidebars converge on the same edge and padding.
+ */
+export function SidebarHeaderRow({
+  icon: Icon,
+  label,
+  onPress,
+  isActive = false,
+  testID,
+  nativeID,
+  accessibilityLabel,
+}: SidebarHeaderRowProps) {
+  const { theme } = useUnistyles();
+
+  return (
+    <View style={styles.container}>
+      <Pressable
+        onPress={onPress}
+        testID={testID}
+        nativeID={nativeID}
+        accessible
+        accessibilityRole="button"
+        accessibilityLabel={accessibilityLabel ?? label}
+        style={({ hovered }) => [styles.button, (hovered || isActive) && styles.buttonHovered]}
+      >
+        {({ hovered }) => {
+          const isHighlighted = hovered || isActive;
+          const iconColor = isHighlighted ? theme.colors.foreground : theme.colors.foregroundMuted;
+          return (
+            <>
+              <Icon size={theme.iconSize.md} color={iconColor} />
+              <Text style={[styles.label, isHighlighted && styles.labelHighlighted]}>{label}</Text>
+            </>
+          );
+        }}
+      </Pressable>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create((theme) => ({
+  container: {
+    height: {
+      xs: HEADER_INNER_HEIGHT_MOBILE,
+      md: HEADER_INNER_HEIGHT,
+    },
+    paddingHorizontal: theme.spacing[2],
+    justifyContent: "center",
+    borderBottomWidth: 1,
+    borderBottomColor: theme.colors.border,
+    userSelect: "none",
+  },
+  button: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[2],
+    paddingVertical: theme.spacing[2],
+    paddingHorizontal: theme.spacing[3],
+    borderRadius: theme.borderRadius.lg,
+  },
+  buttonHovered: {
+    backgroundColor: theme.colors.surfaceSidebarHover,
+  },
+  label: {
+    fontSize: theme.fontSize.base,
+    fontWeight: theme.fontWeight.normal,
+    color: theme.colors.foregroundMuted,
+  },
+  labelHighlighted: {
+    color: theme.colors.foreground,
+  },
+}));

packages/app/src/components/sidebar/sidebar-separator.tsx

@@ -0,0 +1,18 @@
+import { View } from "react-native";
+import { StyleSheet } from "react-native-unistyles";
+
+/**
+ * Edge-to-edge separator line for sidebars. Must render outside any horizontally
+ * padded container so the line runs the full sidebar width — matching the
+ * separator beneath the workspace sidebar's "New agent" header.
+ */
+export function SidebarSeparator() {
+  return <View style={styles.line} />;
+}
+
+const styles = StyleSheet.create((theme) => ({
+  line: {
+    borderBottomWidth: 1,
+    borderBottomColor: theme.colors.border,
+  },
+}));

packages/app/src/components/ui/button.tsx

@@ -181,7 +181,7 @@ export function Button({
       ]}
     >
       {renderIcon()}
-      <Text style={resolvedTextStyle}>{children}</Text>
+      {children != null ? <Text style={resolvedTextStyle}>{children}</Text> : null}
     </Pressable>
   );
 }

packages/app/src/components/welcome-screen.tsx

@@ -1,8 +1,8 @@
 import { useCallback, useEffect, useState, useSyncExternalStore } from "react";
 import { Pressable, Text, View, ScrollView } from "react-native";
 import { useRouter } from "expo-router";
-import { StyleSheet, useUnistyles } from "react-native-unistyles";
-import { QrCode, Link2, ClipboardPaste, ExternalLink } from "lucide-react-native";
+import { StyleSheet, UnistylesRuntime, useUnistyles } from "react-native-unistyles";
+import { QrCode, Link2, ClipboardPaste, ExternalLink, Settings } from "lucide-react-native";
 import { useSafeAreaInsets } from "react-native-safe-area-context";
 import type { HostProfile } from "@/types/host-connection";
 import {
@@ -13,6 +13,7 @@ import {
 } from "@/runtime/host-runtime";
 import { AddHostModal } from "./add-host-modal";
 import { PairLinkModal } from "./pair-link-modal";
+import { Button } from "@/components/ui/button";
 import { resolveAppVersion } from "@/utils/app-version";
 import { formatVersionWithPrefix } from "@/desktop/updates/desktop-updates";
 import { buildHostRootRoute } from "@/utils/host-routes";
@@ -30,6 +31,10 @@ type WelcomeAction = {
 };
 
 const styles = StyleSheet.create((theme) => ({
+  scrollView: {
+    flex: 1,
+    backgroundColor: theme.colors.surface0,
+  },
   container: {
     flexGrow: 1,
     backgroundColor: theme.colors.surface0,
@@ -47,14 +52,17 @@ const styles = StyleSheet.create((theme) => ({
     color: theme.colors.foreground,
     fontSize: theme.fontSize.xl,
     fontWeight: theme.fontWeight.medium,
-    marginBottom: theme.spacing[3],
     textAlign: "center",
   },
   subtitle: {
     color: theme.colors.foregroundMuted,
-    fontSize: theme.fontSize.base,
+    fontSize: theme.fontSize.sm,
     textAlign: "center",
-    marginBottom: theme.spacing[8],
+  },
+  copyBlock: {
+    alignItems: "center",
+    gap: theme.spacing[2],
+    marginBottom: theme.spacing[12],
   },
   actions: {
     width: "100%",
@@ -117,19 +125,11 @@ const styles = StyleSheet.create((theme) => ({
     color: theme.colors.destructive,
     fontSize: theme.fontSize.sm,
   },
-  setupHint: {
-    color: theme.colors.foregroundMuted,
-    fontSize: theme.fontSize.sm,
-    textAlign: "center",
-    marginBottom: theme.spacing[6],
-    lineHeight: theme.fontSize.sm * 1.5,
-  },
   setupLink: {
     flexDirection: "row",
     alignItems: "center",
     justifyContent: "center",
     gap: 6,
-    marginBottom: theme.spacing[6],
   },
   setupLinkText: {
     color: theme.colors.accent,
@@ -142,6 +142,10 @@ const styles = StyleSheet.create((theme) => ({
     textAlign: "center",
     marginTop: theme.spacing[6],
   },
+  settingsButton: {
+    alignSelf: "center",
+    marginTop: theme.spacing[6],
+  },
 }));
 
 function useAnyHostOnline(serverIds: string[]): string | null {
@@ -233,6 +237,35 @@ export interface WelcomeScreenProps {
 
 export function WelcomeScreen({ onHostAdded }: WelcomeScreenProps) {
   const { theme } = useUnistyles();
+  useEffect(() => {
+    const probe = (tag: string) => {
+      // eslint-disable-next-line no-console
+      console.log(`[trace-theme] ${tag}`, {
+        runtimeName: UnistylesRuntime.themeName,
+        hookSurface0: theme.colors.surface0,
+        hookForeground: theme.colors.foreground,
+        hookSurface2: theme.colors.surface2,
+        stylesContainerBg: (styles.container as { backgroundColor?: string } | undefined)
+          ?.backgroundColor,
+        stylesTitleColor: (styles.title as { color?: string } | undefined)?.color,
+        stylesActionButtonBg: (styles.actionButton as { backgroundColor?: string } | undefined)
+          ?.backgroundColor,
+        stylesActionButtonPrimaryBg: (
+          styles.actionButtonPrimary as { backgroundColor?: string } | undefined
+        )?.backgroundColor,
+        stylesSubtitleColor: (styles.subtitle as { color?: string } | undefined)?.color,
+      });
+    };
+    probe("poll-t0");
+    const t1 = setTimeout(() => probe("poll-t1s"), 1000);
+    const t2 = setTimeout(() => probe("poll-t3s"), 3000);
+    const t3 = setTimeout(() => probe("poll-t6s"), 6000);
+    return () => {
+      clearTimeout(t1);
+      clearTimeout(t2);
+      clearTimeout(t3);
+    };
+  }, [theme]);
   const insets = useSafeAreaInsets();
   const router = useRouter();
   const appVersion = resolveAppVersion();
@@ -243,13 +276,7 @@ export function WelcomeScreen({ onHostAdded }: WelcomeScreenProps) {
   const anyOnlineServerId = useAnyHostOnline(hosts.map((h) => h.serverId));
 
   useEffect(() => {
-    const currentPathname = typeof window === "undefined" ? null : window.location.pathname || null;
-    if (currentPathname && currentPathname !== "/welcome") {
-      return;
-    }
-    if (!anyOnlineServerId) {
-      return;
-    }
+    if (!anyOnlineServerId) return;
     router.replace(buildHostRootRoute(anyOnlineServerId));
   }, [anyOnlineServerId, router]);
 
@@ -310,32 +337,38 @@ export function WelcomeScreen({ onHostAdded }: WelcomeScreenProps) {
 
   return (
     <ScrollView
-      style={{ flex: 1, backgroundColor: theme.colors.surface0 }}
+      style={[styles.scrollView, { backgroundColor: "#00ffff" }]}
       contentContainerStyle={[
         styles.container,
-        { paddingBottom: theme.spacing[6] + insets.bottom },
+        {
+          backgroundColor: "#ff00ff",
+          paddingBottom: theme.spacing[6] + insets.bottom,
+        },
       ]}
       showsVerticalScrollIndicator={false}
       testID="welcome-screen"
     >
       <View style={styles.content}>
         <PaseoLogo size={96} />
-        <Text style={styles.title}>Welcome to Paseo</Text>
-        <Text style={styles.subtitle}>
-          {showHostList ? "Connecting to your hosts…" : "Connect to your host to start"}
-        </Text>
-
-        {!showHostList && isNative && (
-          <>
-            <Text style={styles.setupHint}>
-              You need the Paseo desktop app or server running on your computer first.
-            </Text>
-            <Pressable style={styles.setupLink} onPress={() => openExternalUrl("https://paseo.sh")}>
-              <Text style={styles.setupLinkText}>Get started at paseo.sh</Text>
-              <ExternalLink size={14} color={theme.colors.accent} />
-            </Pressable>
-          </>
-        )}
+        <View style={styles.copyBlock}>
+          <Text style={styles.title}>Welcome to Paseo</Text>
+          {showHostList ? (
+            <Text style={styles.subtitle}>Connecting to your hosts…</Text>
+          ) : (
+            <>
+              <Text style={styles.subtitle}>Connect your computer to get started</Text>
+              {isNative ? (
+                <Pressable
+                  style={styles.setupLink}
+                  onPress={() => openExternalUrl("https://paseo.sh")}
+                >
+                  <Text style={styles.setupLinkText}>paseo.sh</Text>
+                  <ExternalLink size={14} color={theme.colors.accent} />
+                </Pressable>
+              ) : null}
+            </>
+          )}
+        </View>
 
         <View style={styles.actions}>
           {actions.map((action) => {
@@ -366,6 +399,17 @@ export function WelcomeScreen({ onHostAdded }: WelcomeScreenProps) {
             ))}
           </View>
         )}
+
+        <Button
+          variant="ghost"
+          size="sm"
+          leftIcon={Settings}
+          onPress={() => router.push("/settings")}
+          style={styles.settingsButton}
+          testID="welcome-open-settings"
+        >
+          Settings
+        </Button>
       </View>
       <Text style={styles.versionLabel}>{appVersionText}</Text>
 

packages/app/src/desktop/components/desktop-permission-row.tsx

@@ -2,6 +2,7 @@ import { View, Text } from "react-native";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { Check } from "lucide-react-native";
 import { Button } from "@/components/ui/button";
+import { settingsStyles } from "@/styles/settings";
 import type { DesktopPermissionStatus } from "@/desktop/permissions/desktop-permissions";
 
 export interface DesktopPermissionRowProps {
@@ -38,9 +39,9 @@ export function DesktopPermissionRow({
     state !== "not-granted";
 
   return (
-    <View style={[styles.audioRow, showBorder && styles.audioRowBorder]}>
-      <View style={styles.audioRowContent}>
-        <Text style={styles.audioRowTitle}>{title}</Text>
+    <View style={[settingsStyles.row, showBorder && settingsStyles.rowBorder]}>
+      <View style={settingsStyles.rowContent}>
+        <Text style={settingsStyles.rowTitle}>{title}</Text>
       </View>
       <View style={styles.permissionRowActions}>
         {isGranted ? (
@@ -74,25 +75,6 @@ export function DesktopPermissionRow({
 }
 
 const styles = StyleSheet.create((theme) => ({
-  audioRow: {
-    flexDirection: "row",
-    alignItems: "center",
-    justifyContent: "space-between",
-    paddingVertical: theme.spacing[4],
-    paddingHorizontal: theme.spacing[4],
-  },
-  audioRowBorder: {
-    borderTopWidth: 1,
-    borderTopColor: theme.colors.border,
-  },
-  audioRowContent: {
-    flex: 1,
-    marginRight: theme.spacing[3],
-  },
-  audioRowTitle: {
-    color: theme.colors.foreground,
-    fontSize: theme.fontSize.base,
-  },
   permissionRowActions: {
     alignItems: "flex-end",
     gap: theme.spacing[1],
@@ -117,7 +99,6 @@ const styles = StyleSheet.create((theme) => ({
   },
   permissionStatusText: {
     fontSize: theme.fontSize.xs,
-    fontWeight: theme.fontWeight.normal,
     color: theme.colors.foregroundMuted,
   },
   permissionDetailText: {

packages/app/src/desktop/components/desktop-permissions-section.tsx

@@ -5,6 +5,7 @@ import { Button } from "@/components/ui/button";
 import { DesktopPermissionRow } from "@/desktop/components/desktop-permission-row";
 import { useDesktopPermissions } from "@/desktop/permissions/use-desktop-permissions";
 import { settingsStyles } from "@/styles/settings";
+import { SettingsSection } from "@/screens/settings/settings-section";
 
 export function DesktopPermissionsSection() {
   const { theme } = useUnistyles();
@@ -27,23 +28,23 @@ export function DesktopPermissionsSection() {
   const isBusy = isRefreshing || requestingPermission !== null;
   const notificationsGranted = snapshot?.notifications.state === "granted";
 
+  const refreshButton = (
+    <Button
+      variant="ghost"
+      size="sm"
+      leftIcon={<RotateCw size={theme.iconSize.md} color={theme.colors.foregroundMuted} />}
+      onPress={() => {
+        void refreshPermissions();
+      }}
+      disabled={isBusy}
+      accessibilityLabel="Refresh desktop permissions"
+    >
+      {isRefreshing ? "Refreshing..." : "Refresh"}
+    </Button>
+  );
+
   return (
-    <View style={settingsStyles.section}>
-      <View style={styles.permissionSectionHeader}>
-        <Text style={settingsStyles.sectionTitle}>Desktop Permissions</Text>
-        <Button
-          variant="ghost"
-          size="sm"
-          leftIcon={<RotateCw size={theme.iconSize.md} color={theme.colors.foregroundMuted} />}
-          onPress={() => {
-            void refreshPermissions();
-          }}
-          disabled={isBusy}
-          accessibilityLabel="Refresh desktop permissions"
-        >
-          {isRefreshing ? "Refreshing..." : "Refresh"}
-        </Button>
-      </View>
+    <SettingsSection title="Permissions" trailing={refreshButton}>
       <View style={settingsStyles.card}>
         <DesktopPermissionRow
           title="Notifications"
@@ -74,18 +75,11 @@ export function DesktopPermissionsSection() {
           }}
         />
       </View>
-    </View>
+    </SettingsSection>
   );
 }
 
 const styles = StyleSheet.create((theme) => ({
-  permissionSectionHeader: {
-    flexDirection: "row",
-    alignItems: "center",
-    justifyContent: "space-between",
-    gap: theme.spacing[2],
-    marginBottom: theme.spacing[3],
-  },
   errorText: {
     fontSize: theme.fontSize.xs,
     paddingHorizontal: theme.spacing[4],

packages/app/src/desktop/components/desktop-updates-section.tsx

@@ -3,6 +3,7 @@ import { ActivityIndicator, Alert, Text, View } from "react-native";
 import * as Clipboard from "expo-clipboard";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { settingsStyles } from "@/styles/settings";
+import { SettingsSection } from "@/screens/settings/settings-section";
 import { ArrowUpRight, Play, Pause, RotateCw, Copy, FileText, Activity } from "lucide-react-native";
 import { AdaptiveModalSheet } from "@/components/adaptive-modal-sheet";
 import { Button } from "@/components/ui/button";
@@ -18,15 +19,12 @@ import {
   stopDesktopDaemon,
 } from "@/desktop/daemon/desktop-daemon";
 import { useDaemonStatus } from "@/desktop/hooks/use-daemon-status";
+import { resolveAppVersion } from "@/utils/app-version";
 
-export interface LocalDaemonSectionProps {
-  appVersion: string | null;
-  showLifecycleControls: boolean;
-}
-
-export function LocalDaemonSection({ appVersion, showLifecycleControls }: LocalDaemonSectionProps) {
+export function LocalDaemonSection() {
   const { theme } = useUnistyles();
   const showSection = shouldUseDesktopDaemon();
+  const appVersion = resolveAppVersion();
   const { settings, updateSettings } = useAppSettings();
   const { data, isLoading, error: statusError, setStatus, refetch } = useDaemonStatus();
   const [isRestartingDaemon, setIsRestartingDaemon] = useState(false);
@@ -236,22 +234,26 @@ export function LocalDaemonSection({ appVersion, showLifecycleControls }: LocalD
     return null;
   }
 
+  const advancedSettingsButton = (
+    <Button
+      variant="ghost"
+      size="sm"
+      leftIcon={<ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />}
+      textStyle={settingsStyles.sectionHeaderLinkText}
+      style={settingsStyles.sectionHeaderLink}
+      onPress={() => void openExternalUrl(ADVANCED_DAEMON_SETTINGS_URL)}
+      accessibilityLabel="Open advanced daemon settings"
+    >
+      Advanced settings
+    </Button>
+  );
+
   return (
-    <View style={settingsStyles.section}>
-      <View style={settingsStyles.sectionHeader}>
-        <Text style={settingsStyles.sectionHeaderTitle}>Built-in daemon</Text>
-        <Button
-          variant="ghost"
-          size="sm"
-          leftIcon={<ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />}
-          textStyle={settingsStyles.sectionHeaderLinkText}
-          style={settingsStyles.sectionHeaderLink}
-          onPress={() => void openExternalUrl(ADVANCED_DAEMON_SETTINGS_URL)}
-          accessibilityLabel="Open advanced daemon settings"
-        >
-          Advanced settings
-        </Button>
-      </View>
+    <SettingsSection
+      title="Daemon"
+      trailing={advancedSettingsButton}
+      testID="host-page-daemon-lifecycle-card"
+    >
       {isLoading ? (
         <View style={[settingsStyles.card, styles.loadingCard]}>
           <ActivityIndicator size="small" color={theme.colors.foregroundMuted} />
@@ -271,61 +273,57 @@ export function LocalDaemonSection({ appVersion, showLifecycleControls }: LocalD
                 <Text style={styles.valueSubtext}>{daemonStatusDetailText}</Text>
               </View>
             </View>
-            {showLifecycleControls ? (
-              <>
-                <View style={[settingsStyles.row, settingsStyles.rowBorder]}>
-                  <View style={settingsStyles.rowContent}>
-                    <Text style={settingsStyles.rowTitle}>Daemon management</Text>
-                    <Text style={settingsStyles.rowHint}>
-                      {isDaemonManagementPaused
-                        ? "Paused. The built-in daemon stays stopped until you start it again."
-                        : "Enabled. Paseo can manage the built-in daemon from the desktop app."}
-                    </Text>
-                  </View>
-                  <Button
-                    variant="outline"
-                    size="sm"
-                    leftIcon={
-                      isDaemonManagementPaused ? (
-                        <Play size={theme.iconSize.sm} color={theme.colors.foreground} />
-                      ) : (
-                        <Pause size={theme.iconSize.sm} color={theme.colors.foreground} />
-                      )
-                    }
-                    onPress={handleToggleDaemonManagement}
-                    disabled={isUpdatingDaemonManagement}
-                  >
-                    {isUpdatingDaemonManagement
-                      ? isDaemonManagementPaused
-                        ? "Resuming..."
-                        : "Pausing..."
-                      : isDaemonManagementPaused
-                        ? "Resume"
-                        : "Pause"}
-                  </Button>
-                </View>
-                <View style={[settingsStyles.row, settingsStyles.rowBorder]}>
-                  <View style={settingsStyles.rowContent}>
-                    <Text style={settingsStyles.rowTitle}>{daemonActionLabel}</Text>
-                    <Text style={settingsStyles.rowHint}>{daemonActionMessage}</Text>
-                    {statusMessage ? <Text style={styles.statusText}>{statusMessage}</Text> : null}
-                  </View>
-                  <Button
-                    variant="outline"
-                    size="sm"
-                    leftIcon={<RotateCw size={theme.iconSize.sm} color={theme.colors.foreground} />}
-                    onPress={handleUpdateLocalDaemon}
-                    disabled={isRestartingDaemon}
-                  >
-                    {isRestartingDaemon
-                      ? daemonStatus?.status === "running"
-                        ? "Restarting..."
-                        : "Starting..."
-                      : daemonActionLabel}
-                  </Button>
-                </View>
-              </>
-            ) : null}
+            <View style={[settingsStyles.row, settingsStyles.rowBorder]}>
+              <View style={settingsStyles.rowContent}>
+                <Text style={settingsStyles.rowTitle}>Daemon management</Text>
+                <Text style={settingsStyles.rowHint}>
+                  {isDaemonManagementPaused
+                    ? "Paused. The built-in daemon stays stopped until you start it again."
+                    : "Enabled. Paseo can manage the built-in daemon from the desktop app."}
+                </Text>
+              </View>
+              <Button
+                variant="outline"
+                size="sm"
+                leftIcon={
+                  isDaemonManagementPaused ? (
+                    <Play size={theme.iconSize.sm} color={theme.colors.foreground} />
+                  ) : (
+                    <Pause size={theme.iconSize.sm} color={theme.colors.foreground} />
+                  )
+                }
+                onPress={handleToggleDaemonManagement}
+                disabled={isUpdatingDaemonManagement}
+              >
+                {isUpdatingDaemonManagement
+                  ? isDaemonManagementPaused
+                    ? "Resuming..."
+                    : "Pausing..."
+                  : isDaemonManagementPaused
+                    ? "Resume"
+                    : "Pause"}
+              </Button>
+            </View>
+            <View style={[settingsStyles.row, settingsStyles.rowBorder]}>
+              <View style={settingsStyles.rowContent}>
+                <Text style={settingsStyles.rowTitle}>{daemonActionLabel}</Text>
+                <Text style={settingsStyles.rowHint}>{daemonActionMessage}</Text>
+                {statusMessage ? <Text style={styles.statusText}>{statusMessage}</Text> : null}
+              </View>
+              <Button
+                variant="outline"
+                size="sm"
+                leftIcon={<RotateCw size={theme.iconSize.sm} color={theme.colors.foreground} />}
+                onPress={handleUpdateLocalDaemon}
+                disabled={isRestartingDaemon}
+              >
+                {isRestartingDaemon
+                  ? daemonStatus?.status === "running"
+                    ? "Restarting..."
+                    : "Starting..."
+                  : daemonActionLabel}
+              </Button>
+            </View>
             <View style={[settingsStyles.row, settingsStyles.rowBorder]}>
               <View style={settingsStyles.rowContent}>
                 <Text style={settingsStyles.rowTitle}>Log file</Text>
@@ -423,7 +421,7 @@ export function LocalDaemonSection({ appVersion, showLifecycleControls }: LocalD
           </View>
         </View>
       </AdaptiveModalSheet>
-    </View>
+    </SettingsSection>
   );
 }
 
@@ -448,7 +446,6 @@ const styles = StyleSheet.create((theme) => ({
   valueText: {
     color: theme.colors.foregroundMuted,
     fontSize: theme.fontSize.sm,
-    fontWeight: theme.fontWeight.normal,
   },
   valueSubtext: {
     color: theme.colors.foregroundMuted,
@@ -482,17 +479,6 @@ const styles = StyleSheet.create((theme) => ({
     fontFamily: "ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace",
     lineHeight: 18,
   },
-  codeBlock: {
-    color: theme.colors.foregroundMuted,
-    fontSize: theme.fontSize.xs,
-    fontFamily: "ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace",
-    lineHeight: 18,
-    borderWidth: 1,
-    borderColor: theme.colors.border,
-    borderRadius: theme.borderRadius.md,
-    backgroundColor: theme.colors.surface0,
-    padding: theme.spacing[3],
-  },
   modalActions: {
     flexDirection: "row",
     justifyContent: "flex-end",

packages/app/src/desktop/components/integrations-section.tsx

@@ -4,6 +4,7 @@ import { useFocusEffect } from "@react-navigation/native";
 import { StyleSheet, useUnistyles } from "react-native-unistyles";
 import { ArrowUpRight, Terminal, Blocks, Check } from "lucide-react-native";
 import { settingsStyles } from "@/styles/settings";
+import { SettingsSection } from "@/screens/settings/settings-section";
 import { Button } from "@/components/ui/button";
 import { openExternalUrl } from "@/utils/open-external-url";
 import {
@@ -79,39 +80,35 @@ export function IntegrationsSection() {
     return null;
   }
 
+  const trailing = (
+    <View style={styles.headerLinks}>
+      <Button
+        variant="ghost"
+        size="sm"
+        leftIcon={<ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />}
+        textStyle={settingsStyles.sectionHeaderLinkText}
+        style={settingsStyles.sectionHeaderLink}
+        onPress={() => void openExternalUrl(CLI_DOCS_URL)}
+        accessibilityLabel="Open CLI documentation"
+      >
+        CLI docs
+      </Button>
+      <Button
+        variant="ghost"
+        size="sm"
+        leftIcon={<ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />}
+        textStyle={settingsStyles.sectionHeaderLinkText}
+        style={settingsStyles.sectionHeaderLink}
+        onPress={() => void openExternalUrl(SKILLS_DOCS_URL)}
+        accessibilityLabel="Open skills documentation"
+      >
+        Skills docs
+      </Button>
+    </View>
+  );
+
   return (
-    <View style={settingsStyles.section}>
-      <View style={settingsStyles.sectionHeader}>
-        <Text style={settingsStyles.sectionHeaderTitle}>Integrations</Text>
-        <View style={styles.headerLinks}>
-          <Button
-            variant="ghost"
-            size="sm"
-            leftIcon={
-              <ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />
-            }
-            textStyle={settingsStyles.sectionHeaderLinkText}
-            style={settingsStyles.sectionHeaderLink}
-            onPress={() => void openExternalUrl(CLI_DOCS_URL)}
-            accessibilityLabel="Open CLI documentation"
-          >
-            CLI docs
-          </Button>
-          <Button
-            variant="ghost"
-            size="sm"
-            leftIcon={
-              <ArrowUpRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />
-            }
-            textStyle={settingsStyles.sectionHeaderLinkText}
-            style={settingsStyles.sectionHeaderLink}
-            onPress={() => void openExternalUrl(SKILLS_DOCS_URL)}
-            accessibilityLabel="Open skills documentation"
-          >
-            Skills docs
-          </Button>
-        </View>
-      </View>
+    <SettingsSection title="Integrations" trailing={trailing}>
       <View style={settingsStyles.card}>
         <View style={settingsStyles.row}>
           <View style={settingsStyles.rowContent}>
@@ -166,7 +163,7 @@ export function IntegrationsSection() {
           )}
         </View>
       </View>
-    </View>
+    </SettingsSection>
   );
 }
 

packages/app/src/desktop/components/pair-device-modal.tsx

@@ -0,0 +1,23 @@
+import { AdaptiveModalSheet } from "@/components/adaptive-modal-sheet";
+import { PairDeviceSection } from "@/desktop/components/pair-device-section";
+
+export interface PairDeviceModalProps {
+  visible: boolean;
+  onClose: () => void;
+  testID?: string;
+}
+
+export function PairDeviceModal({ visible, onClose, testID }: PairDeviceModalProps) {
+  return (
+    <AdaptiveModalSheet
+      title="Pair a device"
+      visible={visible}
+      onClose={onClose}
+      snapPoints={["82%", "94%"]}
+      desktopMaxWidth={640}
+      testID={testID}
+    >
+      <PairDeviceSection />
+    </AdaptiveModalSheet>
+  );
+}

packages/app/src/desktop/components/pair-device-section.tsx

@@ -45,8 +45,7 @@ export function PairDeviceSection() {
   if (!showSection) return null;
 
   return (
-    <View style={settingsStyles.section}>
-      <Text style={settingsStyles.sectionTitle}>Pair device</Text>
+    <View style={settingsStyles.section} testID="host-page-pair-device-card">
       <View style={settingsStyles.card}>
         {pairingQuery.isPending ? (
           <View style={styles.centered}>

packages/app/src/hooks/use-command-center.ts

@@ -14,7 +14,7 @@ import {
 } from "@/utils/command-center-focus-restore";
 import {
   buildHostAgentDetailRoute,
-  buildHostSettingsRoute,
+  buildSettingsRoute,
   parseServerIdFromPathname,
 } from "@/utils/host-routes";
 import type { ShortcutKey } from "@/utils/format-shortcut";
@@ -170,9 +170,8 @@ export function useCommandCenter() {
   }, [agents, open, query]);
 
   const settingsRoute = useMemo<Href>(() => {
-    const serverIdFromPath = activeServerId;
-    return serverIdFromPath ? buildHostSettingsRoute(serverIdFromPath) : "/";
-  }, [activeServerId]);
+    return buildSettingsRoute();
+  }, []);
 
   const actionItems = useMemo(() => {
     if (!open) {

packages/app/src/hooks/use-is-local-daemon.ts

@@ -15,8 +15,7 @@ async function loadDesktopDaemonServerId(): Promise<DesktopDaemonServerIdResult>
   };
 }
 
-export function useIsLocalDaemon(serverId: string): boolean {
-  const normalizedServerId = serverId.trim();
+export function useLocalDaemonServerId(): string | null {
   const isDesktopApp = shouldUseDesktopDaemon();
 
   const query = useQuery({
@@ -32,9 +31,20 @@ export function useIsLocalDaemon(serverId: string): boolean {
     retry: false,
   });
 
-  if (!isDesktopApp || normalizedServerId.length === 0) {
+  if (!isDesktopApp) {
+    return null;
+  }
+
+  return query.data?.serverId ?? null;
+}
+
+export function useIsLocalDaemon(serverId: string): boolean {
+  const normalizedServerId = serverId.trim();
+  const localServerId = useLocalDaemonServerId();
+
+  if (localServerId === null || normalizedServerId.length === 0) {
     return false;
   }
 
-  return query.data?.serverId === normalizedServerId;
+  return localServerId === normalizedServerId;
 }

packages/app/src/hooks/use-keyboard-shortcuts.ts

@@ -5,7 +5,7 @@ import { useHosts } from "@/runtime/host-runtime";
 import { useKeyboardShortcutsStore } from "@/stores/keyboard-shortcuts-store";
 import { setCommandCenterFocusRestoreElement } from "@/utils/command-center-focus-restore";
 import {
-  buildHostSettingsRoute,
+  buildSettingsRoute,
   parseHostAgentRouteFromPathname,
   parseServerIdFromPathname,
   parseHostWorkspaceRouteFromPathname,
@@ -245,14 +245,11 @@ export function useKeyboardShortcuts({
           toggleAgentList();
           return true;
         case "settings.toggle":
-          if (pathname.endsWith("/settings")) {
+          if (pathname.startsWith("/settings")) {
             router.back();
             return true;
           }
-          if (!activeServerId) {
-            return false;
-          }
-          router.push(buildHostSettingsRoute(activeServerId));
+          router.push(buildSettingsRoute());
           return true;
         case "sidebar.toggle.both":
           if (toggleBothSidebars) {

packages/app/src/screens/open-project-screen.tsx

@@ -1,7 +1,7 @@
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
 import { View, Text } from "react-native";
 import { StyleSheet } from "react-native-unistyles";
-import { FolderOpen } from "lucide-react-native";
+import { FolderOpen, Smartphone } from "lucide-react-native";
 import { PaseoLogo } from "@/components/icons/paseo-logo";
 import { Button } from "@/components/ui/button";
 import { MenuHeader } from "@/components/headers/menu-header";
@@ -15,12 +15,16 @@ import {
   HEADER_TOP_PADDING_MOBILE,
 } from "@/constants/layout";
 import { TitlebarDragRegion } from "@/components/desktop/titlebar-drag-region";
+import { useIsLocalDaemon } from "@/hooks/use-is-local-daemon";
+import { PairDeviceModal } from "@/desktop/components/pair-device-modal";
 
 export function OpenProjectScreen({ serverId }: { serverId: string }) {
   const openAgentList = usePanelStore((s) => s.openAgentList);
   const openProjectPicker = useOpenProjectPicker(serverId);
   const hasHydrated = useSessionStore((s) => s.sessions[serverId]?.hasHydratedWorkspaces ?? false);
   const hasProjects = useSessionStore((s) => (s.sessions[serverId]?.workspaces?.size ?? 0) > 0);
+  const isLocalDaemon = useIsLocalDaemon(serverId);
+  const [isPairDeviceOpen, setIsPairDeviceOpen] = useState(false);
 
   const isCompactLayout = useIsCompactFormFactor();
 
@@ -55,8 +59,23 @@ export function OpenProjectScreen({ serverId }: { serverId: string }) {
           >
             Add a project
           </Button>
+          {isLocalDaemon ? (
+            <Button
+              variant="outline"
+              leftIcon={Smartphone}
+              onPress={() => setIsPairDeviceOpen(true)}
+              testID="open-project-pair-device"
+            >
+              Pair device
+            </Button>
+          ) : null}
         </View>
       </View>
+      <PairDeviceModal
+        visible={isPairDeviceOpen}
+        onClose={() => setIsPairDeviceOpen(false)}
+        testID="open-project-pair-device-modal"
+      />
     </View>
   );
 }
@@ -88,6 +107,9 @@ const styles = StyleSheet.create((theme) => ({
   },
   cta: {
     marginTop: theme.spacing[12],
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[2],
   },
   heading: {
     color: theme.colors.foreground,

packages/app/src/screens/settings/host-page.tsx

@@ -0,0 +1,783 @@
+import { useCallback, useEffect, useRef, useState } from "react";
+import { Alert, Pressable, Text, TextInput, View } from "react-native";
+import { StyleSheet, useUnistyles } from "react-native-unistyles";
+import { ChevronRight, Globe, Monitor, Pencil, RotateCw, Trash2 } from "lucide-react-native";
+import type { HostConnection, HostProfile } from "@/types/host-connection";
+import {
+  getHostRuntimeStore,
+  isHostRuntimeConnected,
+  useHostRuntimeClient,
+  useHostRuntimeIsConnected,
+  useHostRuntimeSnapshot,
+  useHostMutations,
+  useHosts,
+} from "@/runtime/host-runtime";
+import { useSessionStore } from "@/stores/session-store";
+import { formatConnectionStatus, getConnectionStatusTone } from "@/utils/daemons";
+import { confirmDialog } from "@/utils/confirm-dialog";
+import { settingsStyles } from "@/styles/settings";
+import { Button } from "@/components/ui/button";
+import { SegmentedControl } from "@/components/ui/segmented-control";
+import { AdaptiveModalSheet } from "@/components/adaptive-modal-sheet";
+import { useDaemonConfig } from "@/hooks/use-daemon-config";
+import { useIsLocalDaemon } from "@/hooks/use-is-local-daemon";
+import { SettingsSection } from "@/screens/settings/settings-section";
+import { ProvidersSection } from "@/screens/settings/providers-section";
+import { PairDeviceModal } from "@/desktop/components/pair-device-modal";
+import { LocalDaemonSection } from "@/desktop/components/desktop-updates-section";
+
+const RESTART_CONFIRMATION_MESSAGE =
+  "This will restart the daemon. Agents running on it will keep going; the app will reconnect automatically.";
+
+function formatHostConnectionLabel(connection: HostConnection): string {
+  if (connection.type === "relay") {
+    return `Relay (${connection.relayEndpoint})`;
+  }
+  if (connection.type === "directSocket" || connection.type === "directPipe") {
+    return `Local (${connection.path})`;
+  }
+  return `TCP (${connection.endpoint})`;
+}
+
+function formatActiveConnectionBadge(
+  activeConnection: { type: HostConnection["type"]; display: string } | null,
+  theme: ReturnType<typeof useUnistyles>["theme"],
+): { icon: React.ReactNode; text: string } | null {
+  if (!activeConnection) return null;
+  if (activeConnection.type === "relay") {
+    return {
+      icon: <Globe size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />,
+      text: "Relay",
+    };
+  }
+  if (activeConnection.type === "directSocket" || activeConnection.type === "directPipe") {
+    return {
+      icon: <Monitor size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />,
+      text: "Local",
+    };
+  }
+  return {
+    icon: <Monitor size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />,
+    text: activeConnection.display,
+  };
+}
+
+function formatDaemonVersionBadge(version: string | null): string | null {
+  const trimmed = version?.trim();
+  if (!trimmed) return null;
+  return trimmed.startsWith("v") ? trimmed : `v${trimmed}`;
+}
+
+export interface HostPageProps {
+  serverId: string;
+  onHostRemoved?: () => void;
+}
+
+export function HostPage({ serverId, onHostRemoved }: HostPageProps) {
+  const daemons = useHosts();
+  const host = daemons.find((entry) => entry.serverId === serverId) ?? null;
+  const { theme } = useUnistyles();
+  const snapshot = useHostRuntimeSnapshot(serverId);
+  const isLocalDaemon = useIsLocalDaemon(serverId);
+
+  const daemonVersion = useSessionStore(
+    (state) => state.sessions[serverId]?.serverInfo?.version ?? null,
+  );
+
+  const connectionStatus = snapshot?.connectionStatus ?? "connecting";
+  const activeConnection = snapshot?.activeConnection ?? null;
+  const lastError = snapshot?.lastError ?? null;
+  const statusLabel = formatConnectionStatus(connectionStatus);
+  const statusTone = getConnectionStatusTone(connectionStatus);
+  const statusColor =
+    statusTone === "success"
+      ? theme.colors.palette.green[400]
+      : statusTone === "warning"
+        ? theme.colors.palette.amber[500]
+        : statusTone === "error"
+          ? theme.colors.destructive
+          : theme.colors.foregroundMuted;
+  const statusPillBg =
+    statusTone === "success"
+      ? "rgba(74, 222, 128, 0.1)"
+      : statusTone === "warning"
+        ? "rgba(245, 158, 11, 0.1)"
+        : statusTone === "error"
+          ? "rgba(248, 113, 113, 0.1)"
+          : "rgba(161, 161, 170, 0.1)";
+  const connectionBadge = formatActiveConnectionBadge(activeConnection, theme);
+  const versionBadgeText = formatDaemonVersionBadge(daemonVersion);
+  const connectionError =
+    typeof lastError === "string" && lastError.trim().length > 0 ? lastError.trim() : null;
+
+  if (!host) {
+    return (
+      <View testID={`settings-host-page-${serverId}`}>
+        <View style={[settingsStyles.card, styles.emptyCard]}>
+          <Text style={styles.emptyText}>Host not found.</Text>
+        </View>
+      </View>
+    );
+  }
+
+  return (
+    <View testID={`settings-host-page-${serverId}`}>
+      <View style={styles.identityBadges} testID="host-page-identity">
+        <View style={[styles.statusPill, { backgroundColor: statusPillBg }]}>
+          <View style={[styles.statusDot, { backgroundColor: statusColor }]} />
+          <Text style={[styles.statusText, { color: statusColor }]}>{statusLabel}</Text>
+        </View>
+        {connectionBadge ? (
+          <View style={styles.badgePill}>
+            {connectionBadge.icon}
+            <Text style={styles.badgeText} numberOfLines={1}>
+              {connectionBadge.text}
+            </Text>
+          </View>
+        ) : null}
+        {versionBadgeText ? (
+          <View style={styles.badgePill}>
+            <Text style={styles.badgeText} numberOfLines={1}>
+              {versionBadgeText}
+            </Text>
+          </View>
+        ) : null}
+      </View>
+      {connectionError ? <Text style={styles.errorText}>{connectionError}</Text> : null}
+
+      <ConnectionsSection host={host} />
+
+      <DaemonSection host={host} isLocalDaemon={isLocalDaemon} />
+
+      <ProvidersSection serverId={serverId} />
+
+      <RemoveHostSection host={host} onRemoved={onHostRemoved} />
+    </View>
+  );
+}
+
+export function HostRenameButton({ host }: { host: HostProfile }) {
+  const { theme } = useUnistyles();
+  const { renameHost } = useHostMutations();
+  const [isEditing, setIsEditing] = useState(false);
+  const [draftLabel, setDraftLabel] = useState(host.label ?? "");
+  const [isSaving, setIsSaving] = useState(false);
+  const inputRef = useRef<TextInput>(null);
+
+  useEffect(() => {
+    setDraftLabel(host.label ?? "");
+  }, [host.serverId, host.label]);
+
+  useEffect(() => {
+    if (isEditing) {
+      const timeout = setTimeout(() => inputRef.current?.focus(), 50);
+      return () => clearTimeout(timeout);
+    }
+    return undefined;
+  }, [isEditing]);
+
+  const handleSave = useCallback(async () => {
+    const nextLabel = draftLabel.trim();
+    if (!nextLabel) {
+      Alert.alert("Label required", "Enter a label for this host.");
+      return;
+    }
+    if (isSaving) return;
+    if (nextLabel === host.label.trim()) {
+      setIsEditing(false);
+      return;
+    }
+    try {
+      setIsSaving(true);
+      await renameHost(host.serverId, nextLabel);
+      setIsEditing(false);
+    } catch (error) {
+      console.error("[HostPage] Failed to rename host", error);
+      Alert.alert("Error", "Unable to save host");
+    } finally {
+      setIsSaving(false);
+    }
+  }, [draftLabel, host.label, host.serverId, isSaving, renameHost]);
+
+  const handleCancel = useCallback(() => {
+    if (isSaving) return;
+    setDraftLabel(host.label ?? "");
+    setIsEditing(false);
+  }, [host.label, isSaving]);
+
+  return (
+    <>
+      <Pressable
+        onPress={() => {
+          setDraftLabel(host.label ?? "");
+          setIsEditing(true);
+        }}
+        hitSlop={8}
+        style={styles.identityEditButton}
+        accessibilityRole="button"
+        accessibilityLabel="Edit label"
+        testID="host-page-label-edit-button"
+      >
+        <Pencil size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />
+      </Pressable>
+
+      <AdaptiveModalSheet
+        visible={isEditing}
+        onClose={handleCancel}
+        title="Rename host"
+        testID="host-page-rename-modal"
+      >
+        <View style={styles.renameBody}>
+          <TextInput
+            ref={inputRef}
+            value={draftLabel}
+            onChangeText={setDraftLabel}
+            placeholder="My Host"
+            placeholderTextColor={theme.colors.foregroundMuted}
+            autoCapitalize="none"
+            autoCorrect={false}
+            editable={!isSaving}
+            onSubmitEditing={() => void handleSave()}
+            style={styles.renameInput}
+            testID="host-page-label-input"
+          />
+          <View style={styles.renameActions}>
+            <Button
+              variant="secondary"
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={handleCancel}
+              disabled={isSaving}
+            >
+              Cancel
+            </Button>
+            <Button
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={() => void handleSave()}
+              disabled={isSaving}
+              testID="host-page-label-save"
+            >
+              {isSaving ? "Saving..." : "Save"}
+            </Button>
+          </View>
+        </View>
+      </AdaptiveModalSheet>
+    </>
+  );
+}
+
+function ConnectionsSection({ host }: { host: HostProfile }) {
+  const { removeConnection } = useHostMutations();
+  const snapshot = useHostRuntimeSnapshot(host.serverId);
+  const probeByConnectionId = snapshot?.probeByConnectionId ?? new Map();
+  const [pendingRemoveConnection, setPendingRemoveConnection] = useState<{
+    connectionId: string;
+    title: string;
+  } | null>(null);
+  const [isRemovingConnection, setIsRemovingConnection] = useState(false);
+
+  return (
+    <SettingsSection title="Connections">
+      <View style={settingsStyles.card} testID="host-page-connections-card">
+        {host.connections.map((conn, index) => {
+          const probe = probeByConnectionId.get(conn.id);
+          return (
+            <ConnectionRow
+              key={conn.id}
+              connection={conn}
+              showBorder={index > 0}
+              latencyMs={probe?.status === "available" ? probe.latencyMs : undefined}
+              latencyLoading={!probe || probe.status === "pending"}
+              latencyError={probe?.status === "unavailable"}
+              onRemove={() => {
+                setPendingRemoveConnection({
+                  connectionId: conn.id,
+                  title: formatHostConnectionLabel(conn),
+                });
+              }}
+            />
+          );
+        })}
+      </View>
+
+      {pendingRemoveConnection ? (
+        <AdaptiveModalSheet
+          title="Remove connection"
+          visible
+          onClose={() => {
+            if (isRemovingConnection) return;
+            setPendingRemoveConnection(null);
+          }}
+          testID="remove-connection-confirm-modal"
+        >
+          <Text style={styles.confirmText}>
+            Remove {pendingRemoveConnection.title}? This cannot be undone.
+          </Text>
+          <View style={styles.confirmActions}>
+            <Button
+              variant="secondary"
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={() => setPendingRemoveConnection(null)}
+              disabled={isRemovingConnection}
+            >
+              Cancel
+            </Button>
+            <Button
+              variant="destructive"
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={() => {
+                const { connectionId } = pendingRemoveConnection;
+                setIsRemovingConnection(true);
+                void removeConnection(host.serverId, connectionId)
+                  .then(() => setPendingRemoveConnection(null))
+                  .catch((error) => {
+                    console.error("[HostPage] Failed to remove connection", error);
+                    Alert.alert("Error", "Unable to remove connection");
+                  })
+                  .finally(() => setIsRemovingConnection(false));
+              }}
+              disabled={isRemovingConnection}
+              testID="remove-connection-confirm"
+            >
+              Remove
+            </Button>
+          </View>
+        </AdaptiveModalSheet>
+      ) : null}
+    </SettingsSection>
+  );
+}
+
+function ConnectionRow({
+  connection,
+  showBorder,
+  latencyMs,
+  latencyLoading,
+  latencyError,
+  onRemove,
+}: {
+  connection: HostConnection;
+  showBorder: boolean;
+  latencyMs: number | null | undefined;
+  latencyLoading: boolean;
+  latencyError: boolean;
+  onRemove: () => void;
+}) {
+  const { theme } = useUnistyles();
+  const title = formatHostConnectionLabel(connection);
+
+  const latencyText = (() => {
+    if (latencyLoading) return "...";
+    if (latencyError) return "Timeout";
+    if (latencyMs != null) return `${latencyMs}ms`;
+    return "\u2014";
+  })();
+  const latencyColor = latencyError ? theme.colors.palette.red[300] : theme.colors.foregroundMuted;
+
+  return (
+    <View style={[settingsStyles.row, showBorder && settingsStyles.rowBorder]}>
+      <View style={settingsStyles.rowContent}>
+        <Text style={settingsStyles.rowTitle} numberOfLines={1}>
+          {title}
+        </Text>
+      </View>
+      <Text style={[styles.connectionLatency, { color: latencyColor }]}>{latencyText}</Text>
+      <Button
+        variant="ghost"
+        size="sm"
+        textStyle={{ color: theme.colors.destructive }}
+        onPress={onRemove}
+      >
+        Remove
+      </Button>
+    </View>
+  );
+}
+
+function DaemonSection({ host, isLocalDaemon }: { host: HostProfile; isLocalDaemon: boolean }) {
+  return (
+    <>
+      <SettingsSection title="Operations">
+        <RestartDaemonCard host={host} />
+        <InjectPaseoToolsCard serverId={host.serverId} />
+      </SettingsSection>
+      {isLocalDaemon ? (
+        <SettingsSection title="Pair devices">
+          <PairDeviceRow />
+        </SettingsSection>
+      ) : null}
+      {isLocalDaemon ? <LocalDaemonSection /> : null}
+    </>
+  );
+}
+
+const delay = (ms: number) =>
+  new Promise<void>((resolve) => {
+    const timeout = setTimeout(() => {
+      clearTimeout(timeout);
+      resolve();
+    }, ms);
+  });
+
+function RestartDaemonCard({ host }: { host: HostProfile }) {
+  const { theme } = useUnistyles();
+  const daemonClient = useHostRuntimeClient(host.serverId);
+  const isConnected = useHostRuntimeIsConnected(host.serverId);
+  const runtime = getHostRuntimeStore();
+  const [isRestarting, setIsRestarting] = useState(false);
+  const isMountedRef = useRef(true);
+
+  useEffect(() => {
+    return () => {
+      isMountedRef.current = false;
+    };
+  }, []);
+
+  const isHostConnected = useCallback(
+    () => isHostRuntimeConnected(runtime.getSnapshot(host.serverId)),
+    [host.serverId, runtime],
+  );
+
+  const waitForCondition = useCallback(
+    async (predicate: () => boolean, timeoutMs: number, intervalMs = 250) => {
+      const deadline = Date.now() + timeoutMs;
+      while (Date.now() < deadline) {
+        if (!isMountedRef.current) return false;
+        if (predicate()) return true;
+        await delay(intervalMs);
+      }
+      return predicate();
+    },
+    [],
+  );
+
+  const waitForDaemonRestart = useCallback(async () => {
+    const disconnectTimeoutMs = 7000;
+    const reconnectTimeoutMs = 30000;
+    if (isHostConnected()) {
+      await waitForCondition(() => !isHostConnected(), disconnectTimeoutMs);
+    }
+    const reconnected = await waitForCondition(() => isHostConnected(), reconnectTimeoutMs);
+    if (isMountedRef.current) {
+      setIsRestarting(false);
+      if (!reconnected) {
+        Alert.alert(
+          "Unable to reconnect",
+          `${host.label} did not come back online. Please verify it restarted.`,
+        );
+      }
+    }
+  }, [host.label, isHostConnected, waitForCondition]);
+
+  const handleRestart = useCallback(() => {
+    if (!daemonClient) {
+      Alert.alert(
+        "Host unavailable",
+        "This host is not connected. Wait for it to come online before restarting.",
+      );
+      return;
+    }
+    if (!isHostConnected()) {
+      Alert.alert(
+        "Host offline",
+        "This host is offline. Paseo reconnects automatically—wait until it's back online before restarting.",
+      );
+      return;
+    }
+
+    void confirmDialog({
+      title: `Restart ${host.label}`,
+      message: RESTART_CONFIRMATION_MESSAGE,
+      confirmLabel: "Restart",
+      cancelLabel: "Cancel",
+      destructive: true,
+    })
+      .then((confirmed) => {
+        if (!confirmed) return;
+        setIsRestarting(true);
+        void daemonClient
+          .restartServer(`settings_daemon_restart_${host.serverId}`)
+          .catch((error) => {
+            console.error(`[HostPage] Failed to restart daemon ${host.label}`, error);
+            if (!isMountedRef.current) return;
+            setIsRestarting(false);
+            Alert.alert(
+              "Error",
+              "Failed to send the restart request. Paseo reconnects automatically—try again once the host shows as online.",
+            );
+          });
+        void waitForDaemonRestart();
+      })
+      .catch((error) => {
+        console.error(`[HostPage] Failed to open restart confirmation for ${host.label}`, error);
+        Alert.alert("Error", "Unable to open the restart confirmation dialog.");
+      });
+  }, [daemonClient, host.label, host.serverId, isHostConnected, waitForDaemonRestart]);
+
+  return (
+    <View style={settingsStyles.card} testID="host-page-restart-card">
+      <View style={settingsStyles.row}>
+        <View style={settingsStyles.rowContent}>
+          <Text style={settingsStyles.rowTitle}>Restart daemon</Text>
+          <Text style={settingsStyles.rowHint}>
+            Restarts the daemon process. The app will reconnect automatically.
+          </Text>
+        </View>
+        <Button
+          variant="outline"
+          size="sm"
+          leftIcon={<RotateCw size={theme.iconSize.sm} color={theme.colors.foreground} />}
+          onPress={handleRestart}
+          disabled={isRestarting || !daemonClient || !isConnected}
+          testID="host-page-restart-button"
+        >
+          {isRestarting ? "Restarting..." : "Restart"}
+        </Button>
+      </View>
+    </View>
+  );
+}
+
+function InjectPaseoToolsCard({ serverId }: { serverId: string }) {
+  const isConnected = useHostRuntimeIsConnected(serverId);
+  const { config, patchConfig } = useDaemonConfig(serverId);
+
+  if (!isConnected) return null;
+
+  return (
+    <View style={settingsStyles.card} testID="host-page-inject-mcp-card">
+      <View style={settingsStyles.row}>
+        <View style={settingsStyles.rowContent}>
+          <Text style={settingsStyles.rowTitle}>Inject Paseo tools</Text>
+          <Text style={settingsStyles.rowHint}>
+            Automatically inject Paseo MCP tools into new agents
+          </Text>
+        </View>
+        <SegmentedControl
+          size="sm"
+          value={config?.mcp.injectIntoAgents === false ? "off" : "on"}
+          onValueChange={(value) => {
+            void patchConfig({
+              mcp: {
+                injectIntoAgents: value === "on",
+              },
+            });
+          }}
+          options={[
+            { value: "on", label: "On" },
+            { value: "off", label: "Off" },
+          ]}
+        />
+      </View>
+    </View>
+  );
+}
+
+function PairDeviceRow() {
+  const { theme } = useUnistyles();
+  const [isModalOpen, setIsModalOpen] = useState(false);
+
+  return (
+    <View style={settingsStyles.card}>
+      <Pressable
+        style={settingsStyles.row}
+        onPress={() => setIsModalOpen(true)}
+        accessibilityRole="button"
+        testID="host-page-pair-device-row"
+      >
+        <View style={settingsStyles.rowContent}>
+          <Text style={settingsStyles.rowTitle}>Pair a device</Text>
+          <Text style={settingsStyles.rowHint}>
+            Scan a QR code or copy a link to connect your phone to this host.
+          </Text>
+        </View>
+        <ChevronRight size={theme.iconSize.sm} color={theme.colors.foregroundMuted} />
+      </Pressable>
+
+      <PairDeviceModal
+        visible={isModalOpen}
+        onClose={() => setIsModalOpen(false)}
+        testID="host-page-pair-device-card"
+      />
+    </View>
+  );
+}
+
+function RemoveHostSection({ host, onRemoved }: { host: HostProfile; onRemoved?: () => void }) {
+  const { theme } = useUnistyles();
+  const { removeHost } = useHostMutations();
+  const [isConfirming, setIsConfirming] = useState(false);
+  const [isRemoving, setIsRemoving] = useState(false);
+
+  return (
+    <SettingsSection title="Danger zone" testID="host-page-remove-host-card">
+      <View style={settingsStyles.card}>
+        <View style={settingsStyles.row}>
+          <View style={settingsStyles.rowContent}>
+            <Text style={settingsStyles.rowTitle}>Remove host</Text>
+            <Text style={settingsStyles.rowHint}>
+              Removes this host and its saved connections from this device.
+            </Text>
+          </View>
+          <Button
+            variant="outline"
+            size="sm"
+            leftIcon={<Trash2 size={theme.iconSize.sm} color={theme.colors.destructive} />}
+            textStyle={{ color: theme.colors.destructive }}
+            onPress={() => setIsConfirming(true)}
+            testID="host-page-remove-host-button"
+          >
+            Remove
+          </Button>
+        </View>
+      </View>
+
+      {isConfirming ? (
+        <AdaptiveModalSheet
+          title="Remove host"
+          visible
+          onClose={() => {
+            if (isRemoving) return;
+            setIsConfirming(false);
+          }}
+          testID="remove-host-confirm-modal"
+        >
+          <Text style={styles.confirmText}>
+            Remove {host.label}? This will delete its saved connections.
+          </Text>
+          <View style={styles.confirmActions}>
+            <Button
+              variant="secondary"
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={() => setIsConfirming(false)}
+              disabled={isRemoving}
+            >
+              Cancel
+            </Button>
+            <Button
+              variant="destructive"
+              size="sm"
+              style={{ flex: 1 }}
+              onPress={() => {
+                setIsRemoving(true);
+                void removeHost(host.serverId)
+                  .then(() => {
+                    setIsConfirming(false);
+                    onRemoved?.();
+                  })
+                  .catch((error) => {
+                    console.error("[HostPage] Failed to remove host", error);
+                    Alert.alert("Error", "Unable to remove host");
+                  })
+                  .finally(() => setIsRemoving(false));
+              }}
+              disabled={isRemoving}
+              testID="remove-host-confirm"
+            >
+              Remove
+            </Button>
+          </View>
+        </AdaptiveModalSheet>
+      ) : null}
+    </SettingsSection>
+  );
+}
+
+const styles = StyleSheet.create((theme) => ({
+  identityEditButton: {
+    padding: theme.spacing[1],
+    borderRadius: theme.borderRadius.md,
+  },
+  identityBadges: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[1],
+    flexWrap: "wrap",
+    marginBottom: theme.spacing[6],
+  },
+  statusPill: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: 6,
+    paddingHorizontal: theme.spacing[2],
+    paddingVertical: 4,
+    borderRadius: theme.borderRadius.full,
+  },
+  statusDot: {
+    width: 6,
+    height: 6,
+    borderRadius: theme.borderRadius.full,
+  },
+  statusText: {
+    fontSize: theme.fontSize.xs,
+    fontWeight: theme.fontWeight.normal,
+  },
+  badgePill: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: 6,
+    paddingHorizontal: theme.spacing[2],
+    paddingVertical: 4,
+    borderRadius: theme.borderRadius.full,
+    borderWidth: 1,
+    borderColor: theme.colors.border,
+    backgroundColor: theme.colors.surface3,
+    maxWidth: 200,
+  },
+  badgeText: {
+    fontSize: theme.fontSize.xs,
+    fontWeight: theme.fontWeight.normal,
+    color: theme.colors.foregroundMuted,
+    flexShrink: 1,
+  },
+  errorText: {
+    color: theme.colors.palette.red[300],
+    fontSize: theme.fontSize.xs,
+    marginBottom: theme.spacing[2],
+  },
+  connectionLatency: {
+    fontSize: theme.fontSize.sm,
+    marginRight: theme.spacing[2],
+  },
+  confirmText: {
+    color: theme.colors.foregroundMuted,
+    fontSize: theme.fontSize.sm,
+  },
+  confirmActions: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[2],
+    marginTop: theme.spacing[4],
+  },
+  emptyCard: {
+    padding: theme.spacing[4],
+    alignItems: "center",
+  },
+  emptyText: {
+    color: theme.colors.foregroundMuted,
+    fontSize: theme.fontSize.sm,
+  },
+  renameBody: {
+    gap: theme.spacing[3],
+    paddingBottom: theme.spacing[2],
+  },
+  renameInput: {
+    backgroundColor: theme.colors.surface0,
+    color: theme.colors.foreground,
+    paddingVertical: theme.spacing[3],
+    paddingHorizontal: theme.spacing[3],
+    borderRadius: theme.borderRadius.md,
+    borderWidth: 1,
+    borderColor: theme.colors.border,
+    fontSize: theme.fontSize.base,
+  },
+  renameActions: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[2],
+  },
+}));

packages/app/src/screens/settings/keyboard-shortcuts-section.tsx

@@ -3,6 +3,7 @@ import { View, Text } from "react-native";
 import { useIsFocused } from "@react-navigation/native";
 import { StyleSheet } from "react-native-unistyles";
 import { settingsStyles } from "@/styles/settings";
+import { SettingsSection } from "@/screens/settings/settings-section";
 import { Button } from "@/components/ui/button";
 import { Shortcut } from "@/components/ui/shortcut";
 import { useKeyboardShortcutOverrides } from "@/hooks/use-keyboard-shortcut-overrides";
@@ -176,30 +177,29 @@ export function KeyboardShortcutsSection() {
 
   if (isNative) {
     return (
-      <View style={settingsStyles.section}>
-        <Text style={settingsStyles.sectionTitle}>Shortcuts</Text>
+      <SettingsSection title="Shortcuts">
         <View style={[settingsStyles.card, styles.mobileCard]}>
           <Text style={styles.mobileText}>Keyboard shortcuts are only available on desktop.</Text>
         </View>
-      </View>
+      </SettingsSection>
     );
   }
 
-  return (
-    <View style={settingsStyles.section}>
-      <View style={settingsStyles.sectionHeader}>
-        <Text style={settingsStyles.sectionHeaderTitle}>Shortcuts</Text>
-        {hasOverrides && (
-          <Button variant="ghost" size="sm" onPress={() => void resetAll()}>
-            Reset all
-          </Button>
-        )}
-      </View>
+  const resetAllButton = hasOverrides ? (
+    <Button variant="ghost" size="sm" onPress={() => void resetAll()}>
+      Reset all
+    </Button>
+  ) : undefined;
 
-      {sections.map(function (section) {
+  return (
+    <>
+      {sections.map(function (section, sectionIndex) {
         return (
-          <View key={section.id}>
-            <Text style={styles.subsectionTitle}>{section.title}</Text>
+          <SettingsSection
+            key={section.id}
+            title={section.title}
+            trailing={sectionIndex === 0 ? resetAllButton : undefined}
+          >
             <View style={settingsStyles.card}>
               {section.rows.map(function (row, index) {
                 const bindingId = getBindingIdForAction(row.id, {
@@ -233,22 +233,14 @@ export function KeyboardShortcutsSection() {
                 );
               })}
             </View>
-          </View>
+          </SettingsSection>
         );
       })}
-    </View>
+    </>
   );
 }
 
 const styles = StyleSheet.create((theme) => ({
-  subsectionTitle: {
-    color: theme.colors.foregroundMuted,
-    fontSize: theme.fontSize.xs,
-    fontWeight: theme.fontWeight.normal,
-    marginBottom: theme.spacing[2],
-    marginTop: theme.spacing[4],
-    marginLeft: theme.spacing[1],
-  },
   row: {
     flexDirection: "row",
     justifyContent: "space-between",

packages/app/src/screens/settings/providers-section.tsx

@@ -0,0 +1,154 @@
+import { useState } from "react";
+import { Pressable, Text, View } from "react-native";
+import { StyleSheet, useUnistyles } from "react-native-unistyles";
+import { settingsStyles } from "@/styles/settings";
+import { useHostRuntimeIsConnected } from "@/runtime/host-runtime";
+import { useProvidersSnapshot } from "@/hooks/use-providers-snapshot";
+import { buildProviderDefinitions } from "@/utils/provider-definitions";
+import { getProviderIcon } from "@/components/provider-icons";
+import { ProviderDiagnosticSheet } from "@/components/provider-diagnostic-sheet";
+import { SpinningRefreshIcon } from "@/components/spinning-refresh-icon";
+import { StatusBadge } from "@/components/ui/status-badge";
+import { SettingsSection } from "@/screens/settings/settings-section";
+
+export interface ProvidersSectionProps {
+  serverId: string;
+}
+
+export function ProvidersSection({ serverId }: ProvidersSectionProps) {
+  const { theme } = useUnistyles();
+  const isConnected = useHostRuntimeIsConnected(serverId);
+  const { entries, isLoading, isRefreshing, refresh } = useProvidersSnapshot(serverId);
+  const [diagnosticProvider, setDiagnosticProvider] = useState<string | null>(null);
+  const providerDefinitions = buildProviderDefinitions(entries);
+  const providerRefreshInFlight =
+    isRefreshing || (entries?.some((entry) => entry.status === "loading") ?? false);
+  const hasServer = serverId.length > 0;
+
+  const refreshAction =
+    hasServer && isConnected ? (
+      <Pressable
+        onPress={() => void refresh()}
+        disabled={providerRefreshInFlight}
+        hitSlop={8}
+        style={settingsStyles.sectionHeaderLink}
+        accessibilityRole="button"
+        accessibilityLabel="Refresh providers"
+      >
+        <SpinningRefreshIcon
+          spinning={providerRefreshInFlight}
+          size={theme.iconSize.sm}
+          color={theme.colors.foregroundMuted}
+        />
+      </Pressable>
+    ) : undefined;
+
+  return (
+    <>
+      <SettingsSection
+        title="Providers"
+        trailing={refreshAction}
+        testID="host-page-providers-card"
+        style={styles.sectionSpacing}
+      >
+        {!hasServer || !isConnected ? (
+          <View style={[settingsStyles.card, styles.emptyCard]}>
+            <Text style={styles.emptyText}>Connect to this host to see providers</Text>
+          </View>
+        ) : isLoading ? (
+          <View style={[settingsStyles.card, styles.emptyCard]}>
+            <Text style={styles.emptyText}>Loading...</Text>
+          </View>
+        ) : (
+          <View style={settingsStyles.card}>
+            {providerDefinitions.map((def, index) => {
+              const entry = entries?.find((e) => e.provider === def.id);
+              const status = entry?.status ?? "unavailable";
+              const ProviderIcon = getProviderIcon(def.id);
+              const providerError =
+                status === "error" &&
+                typeof entry?.error === "string" &&
+                entry.error.trim().length > 0
+                  ? entry.error.trim()
+                  : null;
+              const modelCount = entry?.models?.length ?? 0;
+
+              return (
+                <Pressable
+                  key={def.id}
+                  style={[settingsStyles.row, index > 0 && settingsStyles.rowBorder]}
+                  onPress={() => setDiagnosticProvider(def.id)}
+                  accessibilityRole="button"
+                >
+                  <View style={settingsStyles.rowContent}>
+                    <View style={styles.titleRow}>
+                      <ProviderIcon size={theme.iconSize.sm} color={theme.colors.foreground} />
+                      <Text style={settingsStyles.rowTitle}>{def.label}</Text>
+                    </View>
+                    {providerError ? (
+                      <Text style={styles.errorText} numberOfLines={3}>
+                        {providerError}
+                      </Text>
+                    ) : null}
+                    {status === "ready" && modelCount > 0 ? (
+                      <Text style={settingsStyles.rowHint}>
+                        {modelCount === 1 ? "1 model" : `${modelCount} models`}
+                      </Text>
+                    ) : null}
+                  </View>
+                  <StatusBadge
+                    label={
+                      status === "ready"
+                        ? "Available"
+                        : status === "error"
+                          ? "Error"
+                          : status === "loading"
+                            ? "Loading..."
+                            : "Not installed"
+                    }
+                    variant={
+                      status === "ready" ? "success" : status === "error" ? "error" : "muted"
+                    }
+                  />
+                </Pressable>
+              );
+            })}
+          </View>
+        )}
+      </SettingsSection>
+
+      {diagnosticProvider ? (
+        <ProviderDiagnosticSheet
+          provider={diagnosticProvider}
+          visible
+          onClose={() => setDiagnosticProvider(null)}
+          serverId={serverId}
+        />
+      ) : null}
+    </>
+  );
+}
+
+const styles = StyleSheet.create((theme) => ({
+  sectionSpacing: {
+    marginBottom: theme.spacing[4],
+  },
+  emptyCard: {
+    padding: theme.spacing[4],
+    alignItems: "center",
+  },
+  emptyText: {
+    color: theme.colors.foregroundMuted,
+    fontSize: theme.fontSize.sm,
+  },
+  titleRow: {
+    flexDirection: "row",
+    alignItems: "center",
+    gap: theme.spacing[2],
+  },
+  errorText: {
+    color: theme.colors.palette.red[300],
+    fontSize: theme.fontSize.xs,
+    marginTop: theme.spacing[1],
+  },
+}));

packages/app/src/screens/settings/settings-section.tsx

@@ -0,0 +1,49 @@
+import type { ReactNode } from "react";
+import { Text, View, type StyleProp, type ViewStyle } from "react-native";
+import { StyleSheet } from "react-native-unistyles";
+import { settingsStyles } from "@/styles/settings";
+
+interface SettingsSectionProps {
+  title: string;
+  trailing?: ReactNode;
+  testID?: string;
+  style?: StyleProp<ViewStyle>;
+  children: ReactNode;
+}
+
+/**
+ * iOS-style grouped settings block: muted label + children stacked with a
+ * consistent gap. The single primitive used for every section across settings;
+ * don't reach for ad-hoc `<Text>` headers or bare card margins.
+ */
+export function SettingsSection({
+  title,
+  trailing,
+  testID,
+  style,
+  children,
+}: SettingsSectionProps) {
+  return (
+    <View style={[settingsStyles.section, style]} testID={testID}>
+      <View style={styles.header}>
+        <Text style={settingsStyles.sectionHeaderTitle}>{title}</Text>
+        {trailing}
+      </View>
+      <View style={styles.content}>{children}</View>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create((theme) => ({
+  header: {
+    flexDirection: "row",
+    alignItems: "center",
+    justifyContent: "space-between",
+    gap: theme.spacing[2],
+    marginBottom: theme.spacing[3],
+    marginLeft: theme.spacing[1],
+  },
+  content: {
+    gap: theme.spacing[3],
+  },
+}));

packages/app/src/utils/host-routes.ts

@@ -372,12 +372,35 @@ export function buildHostNewWorkspaceRoute(
   return `${base}/new?${params.toString()}` as const;
 }
 
-export function buildHostSettingsRoute(serverId: string) {
-  const base = buildHostRootRoute(serverId);
-  if (base === "/") {
-    return "/" as const;
+export const SETTINGS_SECTION_SLUGS = [
+  "general",
+  "shortcuts",
+  "integrations",
+  "permissions",
+  "diagnostics",
+  "about",
+] as const;
+
+export type SettingsSectionSlug = (typeof SETTINGS_SECTION_SLUGS)[number];
+
+export function isSettingsSectionSlug(value: string): value is SettingsSectionSlug {
+  return (SETTINGS_SECTION_SLUGS as readonly string[]).includes(value);
+}
+
+export function buildSettingsRoute() {
+  return "/settings" as const;
+}
+
+export function buildSettingsSectionRoute(section: SettingsSectionSlug) {
+  return `/settings/${section}` as const;
+}
+
+export function buildSettingsHostRoute(serverId: string) {
+  const normalized = trimNonEmpty(serverId);
+  if (!normalized) {
+    throw new Error("buildSettingsHostRoute requires a non-empty serverId");
   }
-  return `${base}/settings` as const;
+  return `/settings/hosts/${encodeSegment(normalized)}` as const;
 }
 
 export function mapPathnameToServer(pathname: string, nextServerId: string) {
@@ -389,7 +412,7 @@ export function mapPathnameToServer(pathname: string, nextServerId: string) {
   const suffix = pathname.replace(/^\/h\/[^/]+\/?/, "");
   const base = buildHostRootRoute(normalized);
   if (suffix.startsWith("settings")) {
-    return `${base}/settings` as const;
+    return buildSettingsHostRoute(normalized);
   }
   if (suffix.startsWith("sessions")) {
     return `${base}/sessions` as const;