fix: clean status + help + mid alias

src/auto-reply/thinking.test.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from "vitest";
+import { normalizeThinkLevel } from "./thinking.js";
+
+describe("normalizeThinkLevel", () => {
+  it("accepts mid as medium", () => {
+    expect(normalizeThinkLevel("mid")).toBe("medium");
+  });
+});