diff --git a/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.test.tsx b/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.test.tsx
new file mode 100644
index 000000000..1e96c3403
--- /dev/null
+++ b/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.test.tsx
@@ -0,0 +1,103 @@
+import type { ToolCall } from "@features/sessions/types";
+import { Theme } from "@radix-ui/themes";
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it } from "vitest";
+import { PlanApprovalView } from "./PlanApprovalView";
+
+const PLAN_MARKER = "Sentinel plan body for testing";
+
+function makeToolCall(overrides: Partial<ToolCall> = {}): ToolCall {
+  return {
+    toolCallId: "tc-1",
+    title: "Ready to code?",
+    kind: "switch_mode",
+    status: "pending",
+    rawInput: { plan: PLAN_MARKER },
+    ...overrides,
+  };
+}
+
+function renderView(props: {
+  toolCall: ToolCall;
+  turnCancelled?: boolean;
+  turnComplete?: boolean;
+}) {
+  return render(
+    <Theme>
+      <PlanApprovalView {...props} />
+    </Theme>,
+  );
+}
+
+describe("PlanApprovalView", () => {
+  it("renders the full plan and no toggle while pending", () => {
+    renderView({ toolCall: makeToolCall({ status: "pending" }) });
+
+    expect(screen.getByText(PLAN_MARKER)).toBeInTheDocument();
+    expect(
+      screen.queryByRole("button", { name: /show plan/i }),
+    ).not.toBeInTheDocument();
+  });
+
+  it("hides the plan once approved and exposes a show plan toggle", () => {
+    renderView({ toolCall: makeToolCall({ status: "completed" }) });
+
+    expect(
+      screen.getByText(/plan approved — proceeding with implementation/i),
+    ).toBeInTheDocument();
+    expect(screen.queryByText(PLAN_MARKER)).not.toBeInTheDocument();
+
+    const toggle = screen.getByRole("button", { name: /show plan/i });
+    expect(toggle).toHaveAttribute("aria-expanded", "false");
+  });
+
+  it("expands and collapses the plan when the toggle is clicked", async () => {
+    const user = userEvent.setup();
+    renderView({ toolCall: makeToolCall({ status: "completed" }) });
+
+    const toggle = screen.getByRole("button", { name: /show plan/i });
+    await user.click(toggle);
+
+    expect(toggle).toHaveAttribute("aria-expanded", "true");
+    expect(
+      screen.getByRole("button", { name: /hide plan/i }),
+    ).toBeInTheDocument();
+    expect(screen.getByText(PLAN_MARKER)).toBeInTheDocument();
+
+    await user.click(toggle);
+    expect(toggle).toHaveAttribute("aria-expanded", "false");
+    expect(screen.queryByText(PLAN_MARKER)).not.toBeInTheDocument();
+  });
+
+  it("shows the rejected status with a working toggle when cancelled", async () => {
+    const user = userEvent.setup();
+    renderView({
+      toolCall: makeToolCall({ status: "pending" }),
+      turnCancelled: true,
+    });
+
+    expect(screen.getByText(/\(plan rejected\)/i)).toBeInTheDocument();
+    const toggle = screen.getByRole("button", { name: /show plan/i });
+
+    await user.click(toggle);
+    expect(screen.getByText(PLAN_MARKER)).toBeInTheDocument();
+  });
+
+  it("omits the toggle when there is no plan text available", () => {
+    renderView({
+      toolCall: makeToolCall({
+        status: "completed",
+        rawInput: undefined,
+        content: [],
+      }),
+    });
+
+    expect(
+      screen.getByText(/plan approved — proceeding with implementation/i),
+    ).toBeInTheDocument();
+    expect(
+      screen.queryByRole("button", { name: /show plan/i }),
+    ).not.toBeInTheDocument();
+  });
+});
diff --git a/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.tsx b/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.tsx
index cb88a68e6..3846bed64 100644
--- a/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.tsx
+++ b/apps/code/src/renderer/features/sessions/components/session-update/PlanApprovalView.tsx
@@ -1,7 +1,7 @@
 import { PlanContent } from "@components/permissions/PlanContent";
-import { CheckCircle } from "@phosphor-icons/react";
+import { CaretDown, CaretRight, CheckCircle } from "@phosphor-icons/react";
 import { Box, Flex, Text } from "@radix-ui/themes";
-import { useMemo } from "react";
+import { useMemo, useState } from "react";
 import { type ToolViewProps, useToolCallStatus } from "./toolCallUtils";
 
 export function PlanApprovalView({
@@ -15,6 +15,7 @@ export function PlanApprovalView({
     turnCancelled,
     turnComplete,
   );
+  const [isPlanExpanded, setIsPlanExpanded] = useState(false);
 
   const planText = useMemo(() => {
     const rawPlan = (toolCall.rawInput as { plan?: string } | undefined)?.plan;
@@ -33,30 +34,61 @@ export function PlanApprovalView({
     return null;
   }, [content, toolCall.rawInput]);
 
-  const showPlanContent = !isComplete && !wasCancelled;
   const showResult = isComplete || wasCancelled;
+  const canTogglePlan = showResult && !!planText;
+  const planContentId = `plan-content-${toolCall.toolCallId}`;
 
   if (!planText && !showResult) return null;
 
+  const statusContent = isComplete ? (
+    <>
+      <CheckCircle size={14} weight="fill" className="text-green-9" />
+      <Text className="text-[13px] text-green-11">
+        Plan approved — proceeding with implementation
+      </Text>
+    </>
+  ) : wasCancelled ? (
+    <Text className="text-[13px] text-gray-10">(Plan rejected)</Text>
+  ) : null;
+
   return (
     <Box className="my-3">
-      {showPlanContent && planText && (
+      {!showResult && planText && (
         <PlanContent id={toolCall.toolCallId} plan={planText} />
       )}
 
       {showResult && (
-        <Flex align="center" gap="2" className="px-1">
-          {isComplete ? (
-            <>
-              <CheckCircle size={14} weight="fill" className="text-green-9" />
-              <Text className="text-[13px] text-green-11">
-                Plan approved — proceeding with implementation
+        <Box>
+          {canTogglePlan ? (
+            <button
+              type="button"
+              onClick={() => setIsPlanExpanded((v) => !v)}
+              aria-expanded={isPlanExpanded}
+              aria-controls={planContentId}
+              className="flex items-center gap-2 rounded-sm px-1 text-left hover:bg-gray-3"
+            >
+              {isPlanExpanded ? (
+                <CaretDown size={12} className="text-gray-10" />
+              ) : (
+                <CaretRight size={12} className="text-gray-10" />
+              )}
+              {statusContent}
+              <Text className="text-[13px] text-gray-10">
+                · {isPlanExpanded ? "hide plan" : "show plan"}
               </Text>
-            </>
-          ) : wasCancelled ? (
-            <Text className="text-[13px] text-gray-10">(Plan rejected)</Text>
-          ) : null}
-        </Flex>
+            </button>
+          ) : (
+            <Flex align="center" gap="2" className="px-1">
+              {statusContent}
+            </Flex>
+          )}
+
+          {canTogglePlan && isPlanExpanded && (
+            <Box id={planContentId} className="mt-2">
+              <PlanContent id={toolCall.toolCallId} plan={planText} />
+            </Box>
+          )}
+        </Box>
       )}
     </Box>
   );