diff --git a/ui/src/components/terminal/terminal-panel-accessibility.test.ts b/ui/src/components/terminal/terminal-panel-accessibility.test.ts
new file mode 100644
index 000000000000..9cb67f2e1074
--- /dev/null
+++ b/ui/src/components/terminal/terminal-panel-accessibility.test.ts
@@ -0,0 +1,200 @@
+/* @vitest-environment jsdom */
+
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { i18n } from "../../i18n/index.ts";
+import { createStorageMock } from "../../test-helpers/storage.ts";
+import { waitForFast } from "../../test-helpers/wait-for.ts";
+import type { TerminalGatewayClient } from "./terminal-connection.ts";
+import {
+  createTerminalController,
+  defineTestTerminalPanelElement,
+  terminalOpenResult,
+  type CreateGhosttyTerminalMock,
+} from "./terminal-panel.test-support.ts";
+import { OpenClawTerminalPanel } from "./terminal-panel.ts";
+
+const createGhosttyTerminalMock: CreateGhosttyTerminalMock = vi.fn();
+const TERMINAL_PANEL_ELEMENT_NAME = defineTestTerminalPanelElement(createGhosttyTerminalMock);
+
+function createPanel(client: TerminalGatewayClient) {
+  const panel = document.createElement(TERMINAL_PANEL_ELEMENT_NAME) as OpenClawTerminalPanel;
+  panel.client = client;
+  panel.available = true;
+  document.body.append(panel);
+  panel.toggle();
+  return panel;
+}
+
+function createPickerClient() {
+  return {
+    forceReconnect: () => {},
+    request: async <T>(method: string) =>
+      (method === "terminal.open"
+        ? terminalOpenResult("current-1")
+        : method === "terminal.list"
+          ? { sessions: [] }
+          : {}) as T,
+    addEventListener: () => () => {},
+  } satisfies TerminalGatewayClient;
+}
+
+describe("OpenClawTerminalPanel accessibility", () => {
+  beforeEach(async () => {
+    vi.stubGlobal("localStorage", createStorageMock());
+    vi.stubGlobal("sessionStorage", createStorageMock());
+    createGhosttyTerminalMock.mockResolvedValue(createTerminalController());
+    await i18n.setLocale("en");
+  });
+
+  afterEach(async () => {
+    document.body.replaceChildren();
+    localStorage.clear();
+    sessionStorage.clear();
+    createGhosttyTerminalMock.mockReset();
+    vi.unstubAllGlobals();
+    await i18n.setLocale("en");
+  });
+
+  it("manages focus and dismissal for the terminal session picker", async () => {
+    const panel = createPanel(createPickerClient());
+    await waitForFast(() => expect(panel.renderRoot.querySelector(".tp-actions")).not.toBeNull());
+
+    const trigger = panel.renderRoot.querySelector<HTMLButtonElement>(
+      '[aria-label="Terminal sessions"]',
+    );
+    expect(trigger?.getAttribute("aria-haspopup")).toBe("dialog");
+    expect(trigger?.getAttribute("aria-controls")).toBe("terminal-session-picker-dialog");
+
+    trigger?.click();
+    await waitForFast(() =>
+      expect(panel.shadowRoot?.activeElement).toBe(
+        panel.renderRoot.querySelector(".tp-session-refresh"),
+      ),
+    );
+    expect(panel.renderRoot.querySelector(".tp-session-menu")?.getAttribute("role")).toBe("dialog");
+
+    panel.renderRoot
+      .querySelector(".tp-session-refresh")
+      ?.dispatchEvent(new KeyboardEvent("keydown", { key: "Escape", bubbles: true }));
+    await panel.updateComplete;
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).toBeNull();
+    expect(panel.shadowRoot?.activeElement).toBe(trigger);
+
+    trigger?.click();
+    await waitForFast(() =>
+      expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull(),
+    );
+    document.body.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true, composed: true }));
+    await panel.updateComplete;
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).toBeNull();
+  });
+
+  it("keeps trigger focus inside the picker and dismisses after focus leaves", async () => {
+    const panel = createPanel(createPickerClient());
+    await waitForFast(() => expect(panel.renderRoot.querySelector(".tp-actions")).not.toBeNull());
+
+    const trigger = panel.renderRoot.querySelector<HTMLButtonElement>(
+      '[aria-label="Terminal sessions"]',
+    )!;
+    trigger.click();
+    await waitForFast(() =>
+      expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull(),
+    );
+    trigger.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true, composed: true }));
+    trigger.focus();
+    await Promise.resolve();
+    await panel.updateComplete;
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull();
+    trigger.click();
+    await panel.updateComplete;
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).toBeNull();
+
+    trigger.click();
+    await waitForFast(() =>
+      expect(panel.shadowRoot?.activeElement).toBe(
+        panel.renderRoot.querySelector(".tp-session-refresh"),
+      ),
+    );
+    trigger.focus();
+    await Promise.resolve();
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull();
+
+    const outside = document.createElement("button");
+    document.body.append(outside);
+    outside.focus();
+    await Promise.resolve();
+    await panel.updateComplete;
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).toBeNull();
+  });
+
+  it("keeps shadow-DOM pointer actions inside the terminal session picker", async () => {
+    const requests: Array<{ method: string; params: unknown }> = [];
+    const client: TerminalGatewayClient = {
+      forceReconnect: () => {},
+      request: async <T>(method: string, params?: unknown) => {
+        requests.push({ method, params });
+        if (method === "terminal.open") {
+          return terminalOpenResult("current-1") as T;
+        }
+        if (method === "terminal.list") {
+          return {
+            sessions: [
+              {
+                ...terminalOpenResult("detached-1"),
+                agentId: "detached-agent",
+                attached: false,
+                createdAtMs: 1,
+              },
+            ],
+          } as T;
+        }
+        if (method === "terminal.attach") {
+          return {
+            ...terminalOpenResult("detached-1"),
+            agentId: "detached-agent",
+            buffer: "",
+            seq: 0,
+          } as T;
+        }
+        return {} as T;
+      },
+      addEventListener: () => () => {},
+    };
+    const panel = createPanel(client);
+    await waitForFast(() => expect(panel.renderRoot.querySelector(".tp-actions")).not.toBeNull());
+
+    const trigger = panel.renderRoot.querySelector<HTMLButtonElement>(
+      '[aria-label="Terminal sessions"]',
+    )!;
+    trigger.click();
+    await waitForFast(() =>
+      expect(panel.renderRoot.querySelector(".tp-session")?.textContent).toContain(
+        "detached-agent",
+      ),
+    );
+
+    const refresh = panel.renderRoot.querySelector<HTMLButtonElement>(".tp-session-refresh")!;
+    refresh.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true, composed: true }));
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull();
+    refresh.click();
+    await waitForFast(() => {
+      expect(requests.filter(({ method }) => method === "terminal.list")).toHaveLength(2);
+    });
+    await waitForFast(() =>
+      expect(panel.renderRoot.querySelector(".tp-session")?.textContent).toContain(
+        "detached-agent",
+      ),
+    );
+
+    const attach = panel.renderRoot.querySelector<HTMLButtonElement>(".tp-session")!;
+    attach.dispatchEvent(new MouseEvent("pointerdown", { bubbles: true, composed: true }));
+    expect(panel.renderRoot.querySelector(".tp-session-menu")).not.toBeNull();
+    attach.click();
+    await waitForFast(() =>
+      expect(requests).toContainEqual({
+        method: "terminal.attach",
+        params: { sessionId: "detached-1" },
+      }),
+    );
+  });
+});
diff --git a/ui/src/components/terminal/terminal-panel.ts b/ui/src/components/terminal/terminal-panel.ts
index a3251fbb0d43..01b1cbaf351c 100644
--- a/ui/src/components/terminal/terminal-panel.ts
+++ b/ui/src/components/terminal/terminal-panel.ts
@@ -112,6 +112,8 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
   });
   private readonly onGlobalKeyDown = (event: KeyboardEvent) => this.handleGlobalKey(event);
   private readonly onToggleRequest = (event: Event) => this.handleToggleRequest(event);
+  private readonly onDocumentPointerDown = (event: PointerEvent) =>
+    this.handleDocumentPointerDown(event);
 
   override connectedCallback(): void {
     super.connectedCallback();
@@ -123,6 +125,7 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
       window.addEventListener("keydown", this.onGlobalKeyDown);
       window.addEventListener(TERMINAL_PANEL_TOGGLE_EVENT, this.onToggleRequest);
     }
+    document.addEventListener("pointerdown", this.onDocumentPointerDown, true);
     if (this.dockLayout.open) {
       void this.terminalSessions.restoreSessions();
     }
@@ -132,6 +135,7 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
     super.disconnectedCallback();
     window.removeEventListener("keydown", this.onGlobalKeyDown);
     window.removeEventListener(TERMINAL_PANEL_TOGGLE_EVENT, this.onToggleRequest);
+    document.removeEventListener("pointerdown", this.onDocumentPointerDown, true);
     this.terminalSessions.disconnectHost();
   }
 
@@ -199,6 +203,7 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
   }
 
   closeTerminalPanel(): void {
+    this.closeSessionPicker(false);
     this.dockLayout.setOpen(false);
   }
 
@@ -231,10 +236,61 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
   }
 
   private toggleSessionPicker(): void {
-    this.sessionPickerOpen = !this.sessionPickerOpen;
     if (this.sessionPickerOpen) {
-      void this.refreshSessionPicker();
+      this.closeSessionPicker(true);
+      return;
     }
+    this.sessionPickerOpen = true;
+    void this.refreshSessionPicker();
+    void this.updateComplete.then(() => {
+      if (this.sessionPickerOpen) {
+        this.renderRoot.querySelector<HTMLButtonElement>(".tp-session-refresh")?.focus();
+      }
+    });
+  }
+
+  private closeSessionPicker(restoreFocus: boolean): void {
+    if (!this.sessionPickerOpen) {
+      return;
+    }
+    this.sessionPickerOpen = false;
+    if (restoreFocus) {
+      void this.updateComplete.then(() => {
+        this.renderRoot
+          .querySelector<HTMLButtonElement>('[aria-controls="terminal-session-picker-dialog"]')
+          ?.focus();
+      });
+    }
+  }
+
+  private handleDocumentPointerDown(event: PointerEvent): void {
+    if (!this.sessionPickerOpen) {
+      return;
+    }
+    const picker = this.renderRoot.querySelector(".tp-session-picker");
+    // Document capture sees retargeted shadow-DOM events. The composed path
+    // preserves the picker wrapper so its trigger and actions stay clickable.
+    const path = event.composedPath();
+    if (picker && !path.includes(picker)) {
+      this.closeSessionPicker(false);
+    }
+  }
+
+  private handleSessionPickerFocusOut(event: FocusEvent): void {
+    const picker = event.currentTarget;
+    const next = event.relatedTarget;
+    if (picker instanceof HTMLElement && next instanceof Node && picker.contains(next)) {
+      return;
+    }
+    queueMicrotask(() => {
+      if (
+        picker instanceof HTMLElement &&
+        !picker.contains(this.shadowRoot?.activeElement ?? null) &&
+        this.sessionPickerOpen
+      ) {
+        this.closeSessionPicker(false);
+      }
+    });
   }
 
   private refreshSessionPicker(): Promise<void> {
@@ -255,7 +311,7 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
   }
 
   resetTerminalSessionPicker(): void {
-    this.sessionPickerOpen = false;
+    this.closeSessionPicker(false);
     void this.sessionPickerTask.run([null]);
     this.pickerSessions = [];
   }
@@ -293,6 +349,8 @@ export class OpenClawTerminalPanel extends OpenClawLitElement {
           ),
       ),
       onToggle: () => this.toggleSessionPicker(),
+      onDismiss: (restoreFocus) => this.closeSessionPicker(restoreFocus),
+      onFocusOut: (event) => this.handleSessionPickerFocusOut(event),
       onRefresh: () => void this.refreshSessionPicker(),
       onAttach: (sessionId, owner) => void this.attachPickedSession(sessionId, owner),
     });
diff --git a/ui/src/components/terminal/terminal-session-picker.ts b/ui/src/components/terminal/terminal-session-picker.ts
index f3b38cdd9c80..5a5d48edaad8 100644
--- a/ui/src/components/terminal/terminal-session-picker.ts
+++ b/ui/src/components/terminal/terminal-session-picker.ts
@@ -8,19 +8,25 @@ type TerminalSessionPickerProps = {
   sessions: TerminalSessionInfo[];
   currentSessionIds: ReadonlySet<string>;
   onToggle: () => void;
+  onDismiss: (restoreFocus: boolean) => void;
+  onFocusOut: (event: FocusEvent) => void;
   onRefresh: () => void;
   onAttach: (sessionId: string, owner: TerminalSessionInfo["owner"]) => void;
 };
 
+const TERMINAL_SESSION_PICKER_ID = "terminal-session-picker-dialog";
+
 export function renderTerminalSessionPicker(props: TerminalSessionPickerProps) {
   return html`
-    <div class="tp-session-picker">
+    <div class="tp-session-picker" @focusout=${props.onFocusOut}>
       <button
         class="tp-icon"
         type="button"
         title=${t("terminal.sessions")}
         aria-label=${t("terminal.sessions")}
         aria-expanded=${props.open ? "true" : "false"}
+        aria-haspopup="dialog"
+        aria-controls=${TERMINAL_SESSION_PICKER_ID}
         @click=${props.onToggle}
       >
         <svg
@@ -37,7 +43,20 @@ export function renderTerminalSessionPicker(props: TerminalSessionPickerProps) {
         </svg>
       </button>
       ${props.open
-        ? html`<div class="tp-session-menu" role="dialog" aria-label=${t("terminal.sessions")}>
+        ? html`<div
+            id=${TERMINAL_SESSION_PICKER_ID}
+            class="tp-session-menu"
+            role="dialog"
+            aria-label=${t("terminal.sessions")}
+            @keydown=${(event: KeyboardEvent) => {
+              if (event.key !== "Escape") {
+                return;
+              }
+              event.preventDefault();
+              event.stopPropagation();
+              props.onDismiss(true);
+            }}
+          >
             <div class="tp-session-menu__header">
               <span>${t("terminal.sessions")}</span>
               <button class="tp-session-refresh" type="button" @click=${props.onRefresh}>