huskies: merge 1120 story Silence intentional-error stderr in frontend tests so failures stand out

frontend/src/components/selection/usePathCompletion.test.ts

@@ -227,6 +227,7 @@ describe("usePathCompletion hook", () => {
 	});
 
 	it("sets completionError when listDirectoryAbsolute throws an Error", async () => {
+		const errorSpy = vi.spyOn(console, "error").mockImplementation(() => {});
 		mockListDir.mockRejectedValue(new Error("Permission denied"));
 
 		const { result } = renderHook(() =>
@@ -242,9 +243,13 @@ describe("usePathCompletion hook", () => {
 		await waitFor(() => {
 			expect(result.current.completionError).toBe("Permission denied");
 		});
+
+		expect(errorSpy).toHaveBeenCalledWith(new Error("Permission denied"));
+		errorSpy.mockRestore();
 	});
 
 	it("sets generic completionError when listDirectoryAbsolute throws a non-Error", async () => {
+		const errorSpy = vi.spyOn(console, "error").mockImplementation(() => {});
 		mockListDir.mockRejectedValue("some string error");
 
 		const { result } = renderHook(() =>
@@ -262,6 +267,9 @@ describe("usePathCompletion hook", () => {
 				"Failed to compute suggestion.",
 			);
 		});
+
+		expect(errorSpy).toHaveBeenCalledWith("some string error");
+		errorSpy.mockRestore();
 	});
 
 	it("clears suggestionTail when selected match path does not start with input", async () => {