diff --git a/packages/web/src/app/globals.css b/packages/web/src/app/globals.css
index 38a300e88..8bb4b4016 100644
--- a/packages/web/src/app/globals.css
+++ b/packages/web/src/app/globals.css
@@ -5817,7 +5817,8 @@ html.light .xterm .xterm-viewport:hover::-webkit-scrollbar-thumb:active {
 
   /* -- Kanban board: stack columns vertically -- */
   .kanban-board {
-    grid-template-columns: minmax(0, 1fr);
+    display: flex;
+    flex-direction: column;
     height: auto;
     min-height: auto;
     overflow-x: visible;
diff --git a/packages/web/src/app/manifest.test.ts b/packages/web/src/app/manifest.test.ts
index bd6e7e62f..de9f09808 100644
--- a/packages/web/src/app/manifest.test.ts
+++ b/packages/web/src/app/manifest.test.ts
@@ -12,13 +12,17 @@ describe("app manifest", () => {
       name: "ao | Agent Orchestrator",
       short_name: "ao",
       start_url: "/",
+      scope: "/",
       display: "standalone",
+      orientation: "portrait-primary",
       background_color: "#121110",
       theme_color: "#121110",
       icons: [
         { src: "/apple-icon", sizes: "180x180", type: "image/png" },
         { src: "/icon-192", sizes: "192x192", type: "image/png", purpose: "any" },
+        { src: "/icon-192", sizes: "192x192", type: "image/png", purpose: "maskable" },
         { src: "/icon-512", sizes: "512x512", type: "image/png", purpose: "any" },
+        { src: "/icon-512", sizes: "512x512", type: "image/png", purpose: "maskable" },
       ],
     });
   });
diff --git a/packages/web/src/app/manifest.ts b/packages/web/src/app/manifest.ts
index 6977692da..2138c2d92 100644
--- a/packages/web/src/app/manifest.ts
+++ b/packages/web/src/app/manifest.ts
@@ -8,13 +8,17 @@ export default function manifest(): MetadataRoute.Manifest {
     short_name: "ao",
     description: "Dashboard for managing parallel AI coding agents",
     start_url: "/",
+    scope: "/",
     display: "standalone",
+    orientation: "portrait-primary",
     background_color: "#121110",
     theme_color: "#121110",
     icons: [
       { src: "/apple-icon", sizes: "180x180", type: "image/png" },
       { src: "/icon-192", sizes: "192x192", type: "image/png", purpose: "any" },
+      { src: "/icon-192", sizes: "192x192", type: "image/png", purpose: "maskable" },
       { src: "/icon-512", sizes: "512x512", type: "image/png", purpose: "any" },
+      { src: "/icon-512", sizes: "512x512", type: "image/png", purpose: "maskable" },
     ],
   };
 }
diff --git a/packages/web/src/components/Dashboard.tsx b/packages/web/src/components/Dashboard.tsx
index f9dd25245..2e5a3eade 100644
--- a/packages/web/src/components/Dashboard.tsx
+++ b/packages/web/src/components/Dashboard.tsx
@@ -25,6 +25,7 @@ import { ConnectionBar } from "./ConnectionBar";
 import { CopyDebugBundleButton } from "./CopyDebugBundleButton";
 import { SidebarContext } from "./workspace/SidebarContext";
 import { projectDashboardPath, projectSessionPath } from "@/lib/routes";
+import { BottomSheet } from "./BottomSheet";
 
 interface DashboardProps {
   initialSessions: DashboardSession[];
@@ -121,7 +122,7 @@ function DoneCard({
           </a>
         ) : null}
         <span className="done-card__age">{formatRelativeTimeCompact(session.lastActivityAt)}</span>
-        {canRestore ? (
+        {canRestore && !isMerged ? (
           <button
             type="button"
             className="done-card__restore"
@@ -173,9 +174,11 @@ function DashboardInner({
     return sessions.filter((s) => s.projectId === projectId);
   }, [sessions, projectId]);
   const connectionStatus: "connected" | "reconnecting" | "disconnected" =
-    mux?.status === "disconnected" ? "disconnected"
-    : mux?.status === "connected" ? "connected"
-    : "reconnecting";
+    mux?.status === "disconnected"
+      ? "disconnected"
+      : mux?.status === "connected"
+        ? "connected"
+        : "reconnecting";
   const recoveredFromLoadError = Boolean(dashboardLoadError) && liveSessionsResolved;
   const ssrLoadError = recoveredFromLoadError ? undefined : dashboardLoadError;
   // Live WS error takes precedence; fall back to SSR load error when live data hasn't resolved it.
@@ -193,6 +196,11 @@ function DashboardInner({
   const [sidebarCollapsed, setSidebarCollapsed] = useState(false);
   const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
   const isMobile = useMediaQuery(MOBILE_BREAKPOINT);
+  const [collapsedZones, setCollapsedZones] = useState<Set<AttentionLevel>>(
+    () => new Set<AttentionLevel>(["done", "working"]),
+  );
+  const [previewSession, setPreviewSession] = useState<DashboardSession | null>(null);
+  const [bottomSheetMode, setBottomSheetMode] = useState<"preview" | "confirm-kill">("preview");
   const debugParam = searchParams.get("debug");
   const showDebugBundleButton =
     !isMobile &&
@@ -364,6 +372,25 @@ function DashboardInner({
     },
     [killSession],
   );
+  const handlePreview = useCallback((session: DashboardSession) => {
+    setPreviewSession(session);
+    setBottomSheetMode("preview");
+  }, []);
+
+  const handleRequestKill = useCallback(() => {
+    setBottomSheetMode("confirm-kill");
+  }, []);
+
+  const handleBottomSheetClose = useCallback(() => {
+    setPreviewSession(null);
+    setBottomSheetMode("preview");
+  }, []);
+
+  const handleBottomSheetConfirmKill = useCallback(() => {
+    if (previewSession) void killSession(previewSession.id);
+    setPreviewSession(null);
+    setBottomSheetMode("preview");
+  }, [previewSession, killSession]);
 
   const handleMerge = useCallback(
     async (prNumber: number) => {
@@ -457,9 +484,7 @@ function DashboardInner({
       <span className="font-semibold text-[var(--color-status-error)]">
         Orchestrator failed to load
       </span>
-      <span className="break-words text-[var(--color-text-secondary)]">
-        {visibleLoadError}
-      </span>
+      <span className="break-words text-[var(--color-text-secondary)]">{visibleLoadError}</span>
       <span className="text-[var(--color-text-secondary)]">
         Confirm <span className="font-mono text-[10px]">agent-orchestrator.yaml</span> exists and is
         valid, then run <span className="font-mono text-[10px]">ao doctor</span> for diagnostics.
@@ -478,6 +503,17 @@ function DashboardInner({
       : (projectName ?? (allProjectsView ? "All projects" : "Dashboard"));
   const showHeaderProjectLabel = !allProjectsView && headerProjectLabel.trim().length > 0;
 
+  const handleZoneToggle = (level: AttentionLevel) => {
+    setCollapsedZones((prev) => {
+      const next = new Set(prev);
+      if (next.has(level)) {
+        next.delete(level);
+      } else {
+        next.add(level);
+      }
+      return next;
+    });
+  };
   const handleToggleSidebar = () => {
     if (typeof window !== "undefined" && window.innerWidth < 768) {
       setMobileMenuOpen((current) => !current);
@@ -688,6 +724,10 @@ function DashboardInner({
                           onKill={handleKill}
                           onMerge={handleMerge}
                           onRestore={handleRestore}
+                          compactMobile={isMobile}
+                          collapsed={isMobile && collapsedZones.has(level)}
+                          onToggle={isMobile ? handleZoneToggle : undefined}
+                          onPreview={isMobile ? handlePreview : undefined}
                         />
                       ))}
                     </div>
@@ -749,6 +789,15 @@ function DashboardInner({
             </main>
           </div>
         </div>
+        <BottomSheet
+          session={previewSession}
+          mode={bottomSheetMode}
+          onCancel={handleBottomSheetClose}
+          onConfirm={handleBottomSheetConfirmKill}
+          onRequestKill={handleRequestKill}
+          onMerge={handleMerge}
+          isMergeReady={previewSession ? attentionLevels[previewSession.id] === "merge" : false}
+        />
       </>
     </SidebarContext.Provider>
   );
diff --git a/packages/web/src/components/__tests__/Dashboard.doneBar.test.tsx b/packages/web/src/components/__tests__/Dashboard.doneBar.test.tsx
index f30f7b74d..24cfe6a05 100644
--- a/packages/web/src/components/__tests__/Dashboard.doneBar.test.tsx
+++ b/packages/web/src/components/__tests__/Dashboard.doneBar.test.tsx
@@ -60,10 +60,10 @@ describe("Dashboard done bar", () => {
     expect(screen.queryByText(/No active sessions/i)).not.toBeInTheDocument();
   });
 
-  it("renders a restore action for merged sessions", () => {
+  it("does not render a restore action for merged sessions", () => {
     render(<Dashboard initialSessions={[DONE_SESSION]} />);
     const toggle = screen.getByText("Done / Terminated").closest("button")!;
     fireEvent.click(toggle);
-    expect(screen.queryByRole("button", { name: /restore/i })).toBeInTheDocument();
+    expect(screen.queryByRole("button", { name: /restore/i })).toBeNull();
   });
 });
diff --git a/packages/web/src/components/__tests__/Dashboard.mobile.test.tsx b/packages/web/src/components/__tests__/Dashboard.mobile.test.tsx
index b07046363..7af12fd6b 100644
--- a/packages/web/src/components/__tests__/Dashboard.mobile.test.tsx
+++ b/packages/web/src/components/__tests__/Dashboard.mobile.test.tsx
@@ -66,8 +66,12 @@ describe("Dashboard unified layout (mobile viewport)", () => {
 
     render(<Dashboard initialSessions={sessions} />);
 
+    // Compact mobile rows cap at 5 by default; sessions 1–5 are immediately visible
     expect(screen.getByText("Session 1")).toBeInTheDocument();
     expect(screen.getByText("Session 5")).toBeInTheDocument();
+
+    // Expand to reveal session 6
+    fireEvent.click(screen.getByRole("button", { name: /View all/i }));
     expect(screen.getByText("Session 6")).toBeInTheDocument();
   });
 
@@ -150,7 +154,8 @@ describe("Dashboard unified layout (mobile viewport)", () => {
       />,
     );
 
-    expect(screen.getByText("feat/dashboard-polish")).toBeInTheDocument();
+    // Branch appears in the compact row's meta, combined with the PR number
+    expect(screen.getByText(/feat\/dashboard-polish/)).toBeInTheDocument();
   });
 
   it("shows and dismisses the rate limit banner", () => {
@@ -241,17 +246,17 @@ describe("Dashboard unified layout (mobile viewport)", () => {
       />,
     );
 
-    const killButtons = screen.getAllByRole("button", { name: "Terminate session" });
-    expect(killButtons.length).toBeGreaterThan(0);
+    // On mobile, kill is via the BottomSheet. Open it by tapping the compact row.
+    // getSessionTitle falls back to humanized branch: "feat/live" → "Live"
+    fireEvent.click(screen.getByRole("button", { name: /Open Live/i }));
 
-    // First click → enters confirming state; does not fire the kill request
-    fireEvent.click(killButtons[0]);
+    // BottomSheet preview mode: Terminate enters confirm-kill mode, does not fire yet
+    fireEvent.click(screen.getByRole("button", { name: "Terminate" }));
     expect(fetchSpy).not.toHaveBeenCalledWith(expect.stringContaining("/kill"), expect.anything());
 
-    // Button now advertises the confirm affordance
-    const confirm = screen.getByRole("button", { name: "Confirm terminate session" });
+    // BottomSheet confirm-kill mode: second Terminate fires the kill
     await act(async () => {
-      fireEvent.click(confirm);
+      fireEvent.click(screen.getByRole("button", { name: "Terminate" }));
     });
 
     expect(fetchSpy).toHaveBeenCalledWith(
@@ -260,7 +265,7 @@ describe("Dashboard unified layout (mobile viewport)", () => {
     );
   });
 
-  it("shows CI check chips on cards with enriched PRs", () => {
+  it("shows enriched PR sessions with branch and PR number in compact row", () => {
     render(
       <Dashboard
         initialSessions={[
@@ -284,9 +289,9 @@ describe("Dashboard unified layout (mobile viewport)", () => {
       />,
     );
 
-    // Passing CI checks render as chips by name
-    expect(screen.getByText("build")).toBeInTheDocument();
-    expect(screen.getByText("lint")).toBeInTheDocument();
+    // Compact row meta line shows branch and PR number
+    expect(screen.getByText(/feat\/green/)).toBeInTheDocument();
+    expect(screen.getByText(/PR #301/)).toBeInTheDocument();
   });
 
   it("preserves sessions across live updates", () => {