fix: --help and --version redirect

packages/coding-agent/test/stdout-cleanliness.test.ts

@@ -80,6 +80,22 @@ async function runCli(args: string[]): Promise<{ stdout: string; stderr: string;
 }
 
 describe("stdout cleanliness in non-interactive modes", () => {
+	it("prints --version to stdout when stdout is redirected", async () => {
+		const result = await runCli(["--version"]);
+
+		expect(result.code).toBe(0);
+		expect(result.stdout.trim()).toMatch(/^\d+\.\d+\.\d+/);
+		expect(result.stderr).toBe("");
+	});
+
+	it("prints plain --help to stdout when stdout is redirected", async () => {
+		const result = await runCli(["--help"]);
+
+		expect(result.code).toBe(0);
+		expect(result.stdout).toContain("Usage:");
+		expect(result.stderr).not.toContain("Usage:");
+	});
+
 	it("keeps stdout empty for --mode json --help while routing trusted startup chatter to stderr", async () => {
 		const result = await runCli(["--mode", "json", "--help", "--approve"]);