test: tighten bash tool assertions

src/agents/bash-tools.exec-foreground-failures.test.ts

@@ -40,16 +40,20 @@ describe("exec foreground failures", () => {
       command: longDelayCmd,
     });
 
-    expect(result.content[0]).toMatchObject({ type: "text" });
+    expect(result.content[0]?.type).toBe("text");
     expect((result.content[0] as { text?: string }).text).toMatch(/timed out/i);
     expect((result.content[0] as { text?: string }).text).toMatch(/re-run with a higher timeout/i);
-    expect(result.details).toMatchObject({
-      status: "failed",
-      exitCode: null,
-      aggregated: "",
-    });
-    expect((result.details as { durationMs?: number }).durationMs).toBeTypeOf("number");
-    expect((result.details as { durationMs?: number }).durationMs).toBeGreaterThanOrEqual(0);
+    const details = result.details as {
+      status?: string;
+      exitCode?: number | null;
+      aggregated?: string;
+      durationMs?: number;
+    };
+    expect(details.status).toBe("failed");
+    expect(details.exitCode).toBeNull();
+    expect(details.aggregated).toBe("");
+    expect(details.durationMs).toBeTypeOf("number");
+    expect(details.durationMs).toBeGreaterThanOrEqual(0);
   });
 
   it("rejects invalid host values before launching a command", async () => {

src/agents/bash-tools.exec.script-preflight.test.ts

@@ -418,9 +418,7 @@ describeNonWin("exec script preflight", () => {
       const text = result.content.find((c) => c.type === "text")?.text ?? "";
 
       expect(text).not.toMatch(/exec preflight:/);
-      expect(result.details).toMatchObject({
-        status: expect.stringMatching(/completed|failed/),
-      });
+      expect((result.details as { status?: string }).status).toMatch(/completed|failed/);
     });
   });
 
@@ -436,7 +434,7 @@ describeNonWin("exec script preflight", () => {
     });
     const text = result.content.find((c) => c.type === "text")?.text?.trim();
 
-    expect(result.details).toMatchObject({ status: "completed" });
+    expect((result.details as { status?: string }).status).toBe("completed");
     expect(text).toBe("ok");
   });
 

src/agents/bash-tools.process.poll-timeout.test.ts

@@ -128,9 +128,7 @@ test("process poll clamps long waits to 30 seconds", async () => {
 
 test("process poll schema advertises the 30 second wait cap", () => {
   const timeoutSchema = processSchema.properties.timeout;
-  expect(timeoutSchema).toMatchObject({
-    description: expect.stringContaining("max 30000 ms"),
-  });
+  expect((timeoutSchema as { description?: string }).description).toContain("max 30000 ms");
 });
 
 test("process poll aborts while waiting for completion", async () => {
@@ -149,7 +147,14 @@ test("process poll aborts while waiting for completion", async () => {
     await vi.advanceTimersByTimeAsync(500);
     controller.abort();
 
-    await expect(pollPromise).rejects.toMatchObject({ name: "AbortError" });
+    let err: unknown;
+    try {
+      await pollPromise;
+    } catch (caught) {
+      err = caught;
+    }
+    expect(err).toBeInstanceOf(Error);
+    expect((err as Error).name).toBe("AbortError");
   } finally {
     vi.useRealTimers();
   }