diff --git a/src/plugins/wired-hooks-after-tool-call.e2e.test.ts b/src/plugins/wired-hooks-after-tool-call.e2e.test.ts
index f806f80eb77..a45b8e89863 100644
--- a/src/plugins/wired-hooks-after-tool-call.e2e.test.ts
+++ b/src/plugins/wired-hooks-after-tool-call.e2e.test.ts
@@ -93,8 +93,10 @@ function expectAfterToolCallPayload(params: {
   expectedContext: Record<string, unknown>;
 }) {
   const { event, context } = requireAfterToolCallCall(params.index);
-  expect(event).toEqual(expect.objectContaining(params.expectedEvent));
-  expect(context).toEqual(expect.objectContaining(params.expectedContext));
+  const { durationMs, ...stableEvent } = event;
+  expect(typeof durationMs).toBe("number");
+  expect(stableEvent).toEqual(params.expectedEvent);
+  expect(context).toEqual(params.expectedContext);
 }
 
 let handleToolExecutionStart: typeof import("../agents/pi-embedded-subscribe.handlers.tools.js").handleToolExecutionStart;
@@ -155,6 +157,7 @@ describe("after_tool_call hook wiring", () => {
         error: undefined,
         runId: "test-run-1",
         toolCallId: "wired-hook-call-1",
+        result: { content: [{ type: "text", text: "file contents" }] },
       },
       expectedContext: {
         toolName: "read",
@@ -165,7 +168,6 @@ describe("after_tool_call hook wiring", () => {
         toolCallId: "wired-hook-call-1",
       },
     });
-    expect(typeof getAfterToolCallCall().event?.durationMs).toBe("number");
   });
 
   it("includes error in after_tool_call event on tool failure", async () => {
@@ -279,13 +281,41 @@ describe("after_tool_call hook wiring", () => {
     expect(hookMocks.runner.runAfterToolCall).toHaveBeenCalledTimes(2);
     expectAfterToolCallPayload({
       index: 0,
-      expectedEvent: { runId: "run-a", params: { path: "/tmp/path-a.txt" } },
-      expectedContext: {},
+      expectedEvent: {
+        toolName: "read",
+        params: { path: "/tmp/path-a.txt" },
+        runId: "run-a",
+        toolCallId: sharedToolCallId,
+        result: { content: [{ type: "text", text: "done-a" }] },
+        error: undefined,
+      },
+      expectedContext: {
+        toolName: "read",
+        agentId: "agent-a",
+        sessionKey: "session-a",
+        sessionId: "ephemeral-a",
+        runId: "run-a",
+        toolCallId: sharedToolCallId,
+      },
     });
     expectAfterToolCallPayload({
       index: 1,
-      expectedEvent: { runId: "run-b", params: { path: "/tmp/path-b.txt" } },
-      expectedContext: {},
+      expectedEvent: {
+        toolName: "read",
+        params: { path: "/tmp/path-b.txt" },
+        runId: "run-b",
+        toolCallId: sharedToolCallId,
+        result: { content: [{ type: "text", text: "done-b" }] },
+        error: undefined,
+      },
+      expectedContext: {
+        toolName: "read",
+        agentId: "agent-b",
+        sessionKey: "session-b",
+        sessionId: "ephemeral-b",
+        runId: "run-b",
+        toolCallId: sharedToolCallId,
+      },
     });
   });
 });