diff --git a/desktop/src/features/profile/ui/UserProfilePanel.tsx b/desktop/src/features/profile/ui/UserProfilePanel.tsx
index d060deb532..a5a87fb29a 100644
--- a/desktop/src/features/profile/ui/UserProfilePanel.tsx
+++ b/desktop/src/features/profile/ui/UserProfilePanel.tsx
@@ -103,6 +103,7 @@ export type { ProfilePanelTab, ProfilePanelView };
 
 export function UserProfilePanel({
   canResetWidth,
+  className,
   currentPubkey,
   isSinglePanelView = false,
   layout = "standalone",
@@ -976,6 +977,7 @@ export function UserProfilePanel({
     <UserProfilePanelFrame
       addAgentToChannelDialog={addAgentToChannelDialog}
       canResetWidth={canResetWidth}
+      className={className}
       editAgentDialog={editAgentDialog}
       headerActions={headerActions}
       headerLeftContent={headerLeftContent}
diff --git a/desktop/src/features/profile/ui/UserProfilePanelFrame.tsx b/desktop/src/features/profile/ui/UserProfilePanelFrame.tsx
index 11a744ee8a..d72d66ba47 100644
--- a/desktop/src/features/profile/ui/UserProfilePanelFrame.tsx
+++ b/desktop/src/features/profile/ui/UserProfilePanelFrame.tsx
@@ -10,6 +10,7 @@ import { cn } from "@/shared/lib/cn";
 type UserProfilePanelFrameProps = {
   addAgentToChannelDialog: React.ReactNode;
   canResetWidth?: boolean;
+  className?: string;
   editAgentDialog: React.ReactNode;
   headerActions: React.ReactNode;
   headerLeftContent: React.ReactNode;
@@ -32,6 +33,7 @@ type UserProfilePanelFrameProps = {
 export function UserProfilePanelFrame({
   addAgentToChannelDialog,
   canResetWidth,
+  className,
   editAgentDialog,
   headerActions,
   headerLeftContent,
@@ -53,7 +55,7 @@ export function UserProfilePanelFrame({
   return (
     <AuxiliaryPanel
       canResetWidth={canResetWidth}
-      className="relative"
+      className={cn("relative", className)}
       isSinglePanelView={isSinglePanelView}
       layout={isSplitLayout ? "split" : "standalone"}
       onClose={onClose}
diff --git a/desktop/src/features/profile/ui/UserProfilePanelUtils.ts b/desktop/src/features/profile/ui/UserProfilePanelUtils.ts
index be1a57c112..ab9613b265 100644
--- a/desktop/src/features/profile/ui/UserProfilePanelUtils.ts
+++ b/desktop/src/features/profile/ui/UserProfilePanelUtils.ts
@@ -97,6 +97,8 @@ export function profilePanelTargetKey(
 
 export type UserProfilePanelProps = {
   canResetWidth?: boolean;
+  /** Surface styling supplied by the host layout. */
+  className?: string;
   currentPubkey?: string;
   isSinglePanelView?: boolean;
   layout?: "standalone" | "split";
diff --git a/desktop/src/features/pulse/ui/PulseAppNavigation.tsx b/desktop/src/features/pulse/ui/PulseAppNavigation.tsx
new file mode 100644
index 0000000000..79139d4211
--- /dev/null
+++ b/desktop/src/features/pulse/ui/PulseAppNavigation.tsx
@@ -0,0 +1,51 @@
+import { Bot, Folders, MessageCircle, Zap } from "lucide-react";
+import { cn } from "@/shared/lib/cn";
+import type { PulseWorkspacePage } from "../lib/workspaceNavigation";
+
+export type PulseApp = "messages" | PulseWorkspacePage;
+
+const apps = {
+  messages: { label: "Messages", icon: MessageCircle },
+  projects: { label: "Projects", icon: Folders },
+  agents: { label: "Agents", icon: Bot },
+  workflows: { label: "Workflows", icon: Zap },
+} as const;
+
+/** Window-level app switching, separate from each app's own navigation. */
+export function PulseAppNavigation({
+  active,
+  onSelect,
+}: {
+  active: PulseApp;
+  onSelect: (app: PulseApp) => void;
+}) {
+  return (
+    <nav
+      aria-label="Apps"
+      data-testid="pulse-app-navigation"
+      className="w-[64px] shrink-0 space-y-1 overflow-y-auto px-2 py-2 lg:w-[180px]"
+    >
+      {(Object.keys(apps) as PulseApp[]).map((app) => {
+        const Icon = apps[app].icon;
+        return (
+          <button
+            key={app}
+            type="button"
+            aria-label={apps[app].label}
+            aria-current={active === app ? "page" : undefined}
+            onClick={() => onSelect(app)}
+            className={cn(
+              "flex w-full items-center justify-center gap-3 rounded-xl px-3 py-3 text-left text-sm hover:bg-muted/35 focus-visible:outline-hidden focus-visible:ring-2 focus-visible:ring-ring lg:justify-start",
+              active === app
+                ? "font-semibold text-foreground"
+                : "text-muted-foreground",
+            )}
+          >
+            <Icon aria-hidden="true" className="h-4 w-4 shrink-0" />
+            <span className="hidden lg:inline">{apps[app].label}</span>
+          </button>
+        );
+      })}
+    </nav>
+  );
+}
diff --git a/desktop/src/features/pulse/ui/PulseCombinedView.tsx b/desktop/src/features/pulse/ui/PulseCombinedView.tsx
index 6f40515265..9a940b6c74 100644
--- a/desktop/src/features/pulse/ui/PulseCombinedView.tsx
+++ b/desktop/src/features/pulse/ui/PulseCombinedView.tsx
@@ -13,7 +13,6 @@ export function PulseCombinedView({
   scrollRef,
   children,
   view,
-  workspaceContent,
   onSelectView,
 }: {
   grouped?: boolean;
@@ -23,7 +22,6 @@ export function PulseCombinedView({
   scrollRef: React.RefCallback<HTMLDivElement>;
   children: React.ReactNode;
   view: PulseView;
-  workspaceContent?: React.ReactNode;
   onSelectView: (view: PulseView) => void;
 }) {
   const sorted = React.useMemo(() => {
@@ -49,7 +47,6 @@ export function PulseCombinedView({
       testPrefix="pulse-combined"
       allMessages={{ content: children, scrollRef }}
       navigation={{ view, onSelectView }}
-      workspaceContent={workspaceContent}
     />
   );
 }
diff --git a/desktop/src/features/pulse/ui/PulseConversationSplitView.tsx b/desktop/src/features/pulse/ui/PulseConversationSplitView.tsx
index bed49264af..e57812974a 100644
--- a/desktop/src/features/pulse/ui/PulseConversationSplitView.tsx
+++ b/desktop/src/features/pulse/ui/PulseConversationSplitView.tsx
@@ -6,15 +6,7 @@ import {
   CLEAR_WORKSPACE_PANELS,
   type PulseView,
 } from "../lib/workspaceNavigation";
-import {
-  Inbox,
-  Search,
-  MessageCircle,
-  Users,
-  Folders,
-  Bot,
-  Zap,
-} from "lucide-react";
+import { Inbox, Search, MessageCircle, Users } from "lucide-react";
 import { allowNavigation } from "@/app/navigation/navigationGuard";
 import { buildDirectMessageIntro } from "@/features/channels/lib/dmParticipantDisplay";
 import { useUsersBatchQuery } from "@/features/profile/hooks";
@@ -62,7 +54,6 @@ export function PulseConversationSplitView({
   testPrefix,
   allMessages,
   navigation,
-  workspaceContent,
 }: {
   grouped?: boolean;
   channels: Channel[];
@@ -75,7 +66,6 @@ export function PulseConversationSplitView({
     content: React.ReactNode;
     scrollRef: React.RefCallback<HTMLDivElement>;
   };
-  workspaceContent?: React.ReactNode;
   navigation?: {
     view: PulseView;
     onSelectView: (view: PulseView) => void;
@@ -176,9 +166,6 @@ export function PulseConversationSplitView({
             [
               { id: "search", label: "Search", icon: Search },
               { id: "all", label: "For you", icon: Inbox },
-              { id: "projects", label: "Projects", icon: Folders },
-              { id: "agents", label: "Agents", icon: Bot },
-              { id: "workflows", label: "Workflows", icon: Zap },
             ] as const
           ).map(({ id, label, icon: Icon }) => (
             <button
@@ -308,37 +295,36 @@ export function PulseConversationSplitView({
           </p>
         )}
       </nav>
-      {workspaceContent ??
-        (!selected && allMessages ? (
-          <div
-            ref={allMessages.scrollRef}
-            className="min-h-0 min-w-0 flex-1 overflow-y-auto"
-            data-testid={
-              navigation?.view === "search"
-                ? "pulse-search-feed"
-                : navigation?.view === "all"
-                  ? "pulse-briefing-feed"
-                  : "pulse-all-messages-feed"
-            }
-          >
-            {allMessages.content}
-          </div>
-        ) : (
-          <div
-            className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden"
-            data-testid={`${testPrefix}-detail`}
-            data-channel-id={selected?.id}
-          >
-            {selected ? (
-              <PulseChannelDetail channel={selected} />
-            ) : (
-              <div className="flex flex-1 flex-col items-center justify-center gap-3 text-sm text-muted-foreground">
-                <MessageCircle aria-hidden className="h-6 w-6" />
-                <p>Select a conversation</p>
-              </div>
-            )}
-          </div>
-        ))}
+      {!selected && allMessages ? (
+        <div
+          ref={allMessages.scrollRef}
+          className="min-h-0 min-w-0 flex-1 overflow-y-auto"
+          data-testid={
+            navigation?.view === "search"
+              ? "pulse-search-feed"
+              : navigation?.view === "all"
+                ? "pulse-briefing-feed"
+                : "pulse-all-messages-feed"
+          }
+        >
+          {allMessages.content}
+        </div>
+      ) : (
+        <div
+          className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden"
+          data-testid={`${testPrefix}-detail`}
+          data-channel-id={selected?.id}
+        >
+          {selected ? (
+            <PulseChannelDetail channel={selected} />
+          ) : (
+            <div className="flex flex-1 flex-col items-center justify-center gap-3 text-sm text-muted-foreground">
+              <MessageCircle aria-hidden className="h-6 w-6" />
+              <p>Select a conversation</p>
+            </div>
+          )}
+        </div>
+      )}
     </div>
   );
 }
diff --git a/desktop/src/features/pulse/ui/PulseScreen.tsx b/desktop/src/features/pulse/ui/PulseScreen.tsx
index c56ce87b47..c48ba14a6e 100644
--- a/desktop/src/features/pulse/ui/PulseScreen.tsx
+++ b/desktop/src/features/pulse/ui/PulseScreen.tsx
@@ -75,6 +75,7 @@ export function PulseScreen() {
           !(values.feed === "channel" && values.channel) ? (
             <UserProfilePanel
               canResetWidth={threadPanelWidth.canReset}
+              className="my-[12px] mr-[8px] h-auto overflow-hidden rounded-[24px] border-0"
               currentPubkey={identityQuery.data?.pubkey}
               onClose={handleCloseProfilePanel}
               onOpenDm={handleOpenDm}
diff --git a/desktop/src/features/pulse/ui/UnifiedPulseView.tsx b/desktop/src/features/pulse/ui/UnifiedPulseView.tsx
index e381b6aca5..62d6db77fd 100644
--- a/desktop/src/features/pulse/ui/UnifiedPulseView.tsx
+++ b/desktop/src/features/pulse/ui/UnifiedPulseView.tsx
@@ -19,6 +19,7 @@ import {
   PULSE_WORKSPACE_KEYS,
   CLEAR_WORKSPACE_PANELS,
 } from "../lib/workspaceNavigation";
+import { PulseAppNavigation, type PulseApp } from "./PulseAppNavigation";
 import { PulseWorkspacePage } from "./PulseWorkspacePage";
 import { PulseCombinedView } from "./PulseCombinedView";
 import { PulseVariationMenu } from "./PulseVariationMenu";
@@ -92,6 +93,19 @@ export function UnifiedPulseView({
     setBriefingFilter(null);
     return true;
   };
+  const activeApp: PulseApp = isPulseWorkspacePage(filter)
+    ? filter
+    : "messages";
+  const lastMessageView = React.useRef<PulseView>(
+    values.conversation ? "conversation" : "all",
+  );
+  React.useEffect(() => {
+    if (!isPulseWorkspacePage(filter)) lastMessageView.current = filter;
+  }, [filter]);
+  const selectApp = (app: PulseApp) => {
+    if (app === activeApp) return;
+    setFilter(app === "messages" ? lastMessageView.current : app);
+  };
   const setVariation = (next: "separate" | "combined") => {
     if ((next === "combined") === combined) return;
     if (!allowNavigation({ kind: "route", href: `/pulse?layout=${next}` }))
@@ -332,56 +346,58 @@ export function UnifiedPulseView({
   );
   return (
     <div
-      className={cn(
-        "flex min-h-0 flex-1 flex-col py-[12px]",
-        expanded && "px-[8px]",
-      )}
+      className="flex min-h-0 flex-1 gap-2 px-[8px] py-[12px]"
       data-testid="unified-pulse"
     >
-      <div
-        data-testid="pulse-main-container"
-        className={cn(
-          "relative mx-auto flex min-h-0 w-full flex-1 flex-col overflow-hidden rounded-[24px] bg-background",
-          !expanded && "max-w-[960px]",
-        )}
-        data-expanded={expanded}
-      >
-        <PulseVariationMenu
-          value={combined ? "combined" : "separate"}
-          onChange={setVariation}
-          onRefresh={() => void feed.refresh()}
-          refreshing={feed.query.isFetching}
-        />
-        <div className="pulse-conversation-workspace flex min-h-0 flex-1">
-          <div
-            className="flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden"
-            data-testid="pulse-scroll-area"
-          >
-            <PulseCombinedView
-              grouped={!combined}
-              channels={feed.channels}
-              conversations={feed.conversations}
-              currentPubkey={currentPubkey}
-              scrollRef={setScrollElement}
-              view={filter}
-              workspaceContent={
-                isPulseWorkspacePage(filter) ? (
-                  <PulseWorkspacePage page={filter} />
-                ) : undefined
-              }
-              onSelectView={setFilter}
+      <PulseAppNavigation active={activeApp} onSelect={selectApp} />
+      <div className="flex min-h-0 min-w-0 flex-1">
+        <div
+          data-testid="pulse-main-container"
+          className={cn(
+            "relative mx-auto flex min-h-0 w-full flex-1 flex-col overflow-hidden rounded-[24px] bg-background",
+            !expanded && "max-w-[960px]",
+          )}
+          data-expanded={expanded}
+        >
+          <PulseVariationMenu
+            value={combined ? "combined" : "separate"}
+            onChange={setVariation}
+            onRefresh={() => void feed.refresh()}
+            refreshing={feed.query.isFetching}
+          />
+          <div className="pulse-conversation-workspace flex min-h-0 flex-1">
+            <div
+              className="flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden"
+              data-testid="pulse-scroll-area"
             >
-              {content}
-            </PulseCombinedView>
-          </div>
-          <div
-            className="pulse-terminal-side-host"
-            data-testid="pulse-terminal-panel"
-          >
-            {terminal}
+              {isPulseWorkspacePage(filter) ? (
+                <PulseWorkspacePage page={filter} />
+              ) : (
+                <PulseCombinedView
+                  grouped={!combined}
+                  channels={feed.channels}
+                  conversations={feed.conversations}
+                  currentPubkey={currentPubkey}
+                  scrollRef={setScrollElement}
+                  view={filter}
+                  onSelectView={setFilter}
+                >
+                  {content}
+                </PulseCombinedView>
+              )}
+            </div>
+            <div
+              className="pulse-terminal-side-host"
+              data-testid="pulse-terminal-panel"
+            >
+              {terminal}
+            </div>
           </div>
         </div>
       </div>
+      {!expanded && (
+        <div aria-hidden="true" className="w-[64px] shrink-0 lg:w-[180px]" />
+      )}
     </div>
   );
 }
diff --git a/desktop/tests/e2e/pulse-unified.spec.ts b/desktop/tests/e2e/pulse-unified.spec.ts
index a6c59a9dd4..e5b91fc947 100644
--- a/desktop/tests/e2e/pulse-unified.spec.ts
+++ b/desktop/tests/e2e/pulse-unified.spec.ts
@@ -584,7 +584,7 @@ test("channel rail opens conversations and preserves drafts", async ({
   await expect(list).toHaveCSS("width", "220px");
   const all = list.getByRole("button", { name: "All messages", exact: true });
   const aggregate = page.getByTestId("pulse-all-messages-feed");
-  await expect(list.getByRole("button").nth(5)).toHaveText("All messages");
+  await expect(list.getByRole("button").nth(2)).toHaveText("All messages");
   await expect(all).toHaveAttribute("aria-current", "true");
   await expect(
     aggregate
@@ -710,7 +710,7 @@ test("app variations combine conversations by recency and preserve selection and
   await expect(page.getByTestId("pulse-tabs")).toHaveCount(0);
   await expect(
     page
-      .getByTestId("pulse-combined-list")
+      .getByTestId("pulse-app-navigation")
       .getByRole("button", { name: "Agents", exact: true }),
   ).toBeVisible();
   await expect(
@@ -724,7 +724,7 @@ test("app variations combine conversations by recency and preserve selection and
   const aggregate = page.getByTestId("pulse-all-messages-feed");
   await expect(list.getByRole("button").nth(0)).toHaveText("Search");
   await expect(list.getByRole("button").nth(1)).toHaveText("For you");
-  await expect(list.getByRole("button").nth(5)).toHaveText("All messages");
+  await expect(list.getByRole("button").nth(2)).toHaveText("All messages");
   await list.getByRole("button", { name: "Search", exact: true }).click();
   await expect(
     page.getByRole("searchbox", { name: "Search loaded feed" }),
@@ -1347,7 +1347,7 @@ test("side panels expand Pulse and terminal docks beside the conversation", asyn
   await expect(container).toHaveCSS("max-width", "none");
   await expect
     .poll(async () => (await boundsOf(container)).width)
-    .toBeGreaterThan(1400);
+    .toBeGreaterThan(1300);
   const conversationBounds = await boundsOf(detail);
   const terminalBounds = await boundsOf(terminal);
   expect(terminalBounds.x).toBeGreaterThanOrEqual(
@@ -1355,8 +1355,9 @@ test("side panels expand Pulse and terminal docks beside the conversation", asyn
   );
   expect(terminalBounds.height).toBeGreaterThan(700);
   const expandedBounds = await boundsOf(container);
-  expect(expandedBounds.x).toBe(8);
-  expect(expandedBounds.width).toBe(1584);
+  const appsBounds = await boundsOf(page.getByTestId("pulse-app-navigation"));
+  expect(expandedBounds.x).toBe(appsBounds.x + appsBounds.width + 8);
+  expect(expandedBounds.x + expandedBounds.width).toBe(1592);
   const chatHeader = detail.getByTestId("chat-header");
   const terminalHeader = terminal.getByTestId("terminal-header");
   expect((await boundsOf(terminalHeader)).height).toBe(
@@ -1817,6 +1818,20 @@ test("workspace entrypoints keep projects, agents, and workflows in the main pan
   await seed(page);
   const rail = page.getByTestId("pulse-combined-list");
   const main = page.getByTestId("pulse-main-container");
+  const apps = page.getByTestId("pulse-app-navigation");
+  await expect(main.getByTestId("pulse-app-heading")).toHaveCount(0);
+  await expect(
+    apps.getByRole("button", { name: "Messages", exact: true }),
+  ).toHaveCSS("background-color", "rgba(0, 0, 0, 0)");
+  await expect(apps.locator("button > svg")).toHaveCount(4);
+  for (const width of [1600, 1280, 900]) {
+    await page.setViewportSize({ width, height: 960 });
+    const box = await boundsOf(main);
+    expect(box.x + box.width / 2).toBeCloseTo(width / 2, 0);
+    const navBox = await boundsOf(apps);
+    expect(box.x).toBeGreaterThanOrEqual(navBox.x + navBox.width);
+  }
+  await page.setViewportSize({ width: 1440, height: 960 });
   await expect(
     rail
       .getByRole("button")
@@ -1824,8 +1839,16 @@ test("workspace entrypoints keep projects, agents, and workflows in the main pan
       .first(),
   ).toHaveText("Search");
   await expect(rail.getByRole("button").nth(1)).toHaveText("For you");
-  for (const [index, name] of ["Projects", "Agents", "Workflows"].entries()) {
-    await expect(rail.getByRole("button").nth(index + 2)).toHaveText(name);
+  await expect(apps.getByRole("button")).toHaveText([
+    "Messages",
+    "Projects",
+    "Agents",
+    "Workflows",
+  ]);
+  for (const name of ["Projects", "Agents", "Workflows"]) {
+    await expect(rail.getByRole("button", { name, exact: true })).toHaveCount(
+      0,
+    );
   }
   for (const variation of ["Combined conversations", "Separate feeds"]) {
     await page
@@ -1839,24 +1862,29 @@ test("workspace entrypoints keep projects, agents, and workflows in the main pan
       ["Agents", "agents-page-content"],
       ["Workflows", "workflows-view"],
     ]) {
-      const entry = rail.getByRole("button", { name, exact: true });
+      const entry = apps.getByRole("button", { name, exact: true });
       await entry.focus();
       await page.keyboard.press("Enter");
       const panel = main.getByTestId(`pulse-workspace-${name.toLowerCase()}`);
       await expect(panel.getByTestId(contentTestId)).toBeVisible();
-      await expect(entry).toHaveAttribute("aria-current", "true");
-      await expect(rail).toBeVisible();
+      await expect(entry).toHaveAttribute("aria-current", "page");
+      await expect(apps).toBeVisible();
       await expect(main).toHaveCSS("max-width", "960px");
       await expect(page).toHaveURL(
         new RegExp(`#/pulse\\?.*feed=${name.toLowerCase()}`),
       );
       await expect(page.getByTestId("open-pulse-view")).toHaveCount(0);
-      const railBox = await boundsOf(rail);
+      await expect(rail).toHaveCount(0);
+      await expect(main.getByTestId("pulse-app-heading")).toHaveCount(0);
+      const appBox = await boundsOf(apps);
+      const mainBox = await boundsOf(main);
       const panelBox = await boundsOf(panel);
-      expect(panelBox.x).toBeCloseTo(railBox.x + railBox.width, 0);
+      expect(mainBox.x).toBeGreaterThanOrEqual(appBox.x + appBox.width + 8);
+      expect(panelBox.width).toBeCloseTo(mainBox.width, 0);
+      expect(mainBox.x + mainBox.width / 2).toBeCloseTo(720, 0);
       await page.reload();
       await expect(panel.getByTestId(contentTestId)).toBeVisible();
-      await expect(entry).toHaveAttribute("aria-current", "true");
+      await expect(entry).toHaveAttribute("aria-current", "page");
     }
   }
   await main
@@ -1865,11 +1893,11 @@ test("workspace entrypoints keep projects, agents, and workflows in the main pan
   const editor = page.getByRole("dialog", { name: "Create workflow" });
   await expect(editor).toBeVisible();
   await expect(page).toHaveURL(/#\/pulse\?.*view=create/);
-  await expect(rail).toBeVisible();
+  await expect(apps).toBeVisible();
   await page.goBack();
   await expect(editor).toHaveCount(0);
   await expect(main.getByTestId("workflows-view")).toBeVisible();
-  await rail.getByRole("button", { name: "Projects", exact: true }).click();
+  await apps.getByRole("button", { name: "Projects", exact: true }).click();
   await main.getByTestId("projects-section-projects").click();
   const project = main.locator(
     '[data-testid="project-card-buzz"], [data-testid="project-row-buzz"]',
@@ -1878,20 +1906,32 @@ test("workspace entrypoints keep projects, agents, and workflows in the main pan
   await project.click();
   await expect(page).toHaveURL(/#\/pulse\?.*projectId=/);
   await expect(main.getByTestId("pulse-workspace-projects")).toBeVisible();
-  await expect(rail).toBeVisible();
+  await expect(apps).toBeVisible();
   await page.goBack();
   await main.getByTestId("projects-section-projects").click();
   await expect(project).toBeVisible();
+  await apps.getByRole("button", { name: "Messages", exact: true }).click();
+  await expect(rail).toBeVisible();
   await rail.locator('[data-channel-name="bob-tyler"]').click();
   await expect(main.getByTestId("message-input")).toBeVisible();
   await expect(main.getByTestId("pulse-workspace-projects")).toHaveCount(0);
+  const composer = main.getByTestId("message-input");
+  await composer.fill("Keep this draft while switching apps");
+  await apps.getByRole("button", { name: "Agents", exact: true }).click();
+  await expect(rail).toHaveCount(0);
+  await apps.getByRole("button", { name: "Messages", exact: true }).click();
+  await expect(composer).toHaveText("Keep this draft while switching apps");
+  await waitForAnimations(page);
+  await page
+    .getByTestId("unified-pulse")
+    .screenshot({ path: "test-results/pulse-prototype/apps-messages.png" });
   await rail.getByRole("button", { name: "For you", exact: true }).click();
   await expect(main.getByTestId("pulse-briefing")).toBeVisible();
-  await rail.getByRole("button", { name: "Projects", exact: true }).click();
+  await apps.getByRole("button", { name: "Projects", exact: true }).click();
   await main.getByTestId("projects-section-projects").click();
   await expect(project).toBeVisible();
   await waitForAnimations(page);
-  await main.screenshot({
+  await page.getByTestId("unified-pulse").screenshot({
     path: "test-results/pulse-prototype/workspace-projects.png",
   });
 });
@@ -2141,3 +2181,54 @@ test("agent conversation rows replace unread dots with notification-sized workin
   await expect(working).toHaveCount(0);
   await expect(unread).toHaveCount(0);
 });
+
+test("workspace profile panels share the main container's frame and remain resizable", async ({
+  page,
+}) => {
+  await seed(page);
+  await page
+    .getByTestId("pulse-app-navigation")
+    .getByRole("button", { name: "Projects", exact: true })
+    .click();
+  // Exercise a profile deep link through the real Pulse route and profile panel.
+  await page.evaluate((pubkey) => {
+    const [path, query] = location.hash.split("?");
+    const params = new URLSearchParams(query);
+    params.set("profile", pubkey);
+    location.hash = `${path}?${params}`;
+  }, TEST_IDENTITIES.bob.pubkey);
+  const panel = page.getByTestId("user-profile-panel");
+  const main = page.getByTestId("pulse-main-container");
+  await expect(panel).toBeVisible();
+  await expect(panel).toHaveCSS("border-radius", "24px");
+  await expect(panel).toHaveCSS("border-width", "0px");
+  await expect(main).toHaveAttribute("data-expanded", "true");
+  await waitForAnimations(page);
+  const panelBox = await boundsOf(panel);
+  const mainBox = await boundsOf(main);
+  expect(panelBox.y).toBe(mainBox.y);
+  expect(panelBox.height).toBe(mainBox.height);
+  expect(panelBox.x - mainBox.x - mainBox.width).toBeCloseTo(8, 0);
+  expect(panelBox.x + panelBox.width).toBe(1432);
+  await page.screenshot({
+    path: "test-results/pulse-prototype/workspace-profile-frame.png",
+  });
+  const handle = await boundsOf(
+    panel.getByTestId("user-profile-resize-handle"),
+  );
+  // Use the part of the resize target inside the rounded surface.
+  const x = panelBox.x + 2;
+  const y = handle.y + handle.height / 2;
+  await page.mouse.move(x, y);
+  await page.mouse.down();
+  await page.mouse.move(x - 40, y, { steps: 5 });
+  await page.mouse.up();
+  await expect
+    .poll(async () => (await boundsOf(panel)).width)
+    .toBeGreaterThan(panelBox.width + 20);
+  await panel.getByRole("button", { name: "Close panel", exact: true }).click();
+  await expect(panel).toHaveCount(0);
+  await expect(main).toHaveCSS("max-width", "960px");
+  const restored = await boundsOf(main);
+  expect(restored.x + restored.width / 2).toBeCloseTo(720, 0);
+});