refactor(commands): centralize shared command formatting helpers

src/commands/text-format.test.ts

@@ -0,0 +1,16 @@
+import { describe, expect, it } from "vitest";
+import { shortenText } from "./text-format.js";
+
+describe("shortenText", () => {
+  it("returns original text when it fits", () => {
+    expect(shortenText("openclaw", 16)).toBe("openclaw");
+  });
+
+  it("truncates and appends ellipsis when over limit", () => {
+    expect(shortenText("openclaw-status-output", 10)).toBe("openclaw-…");
+  });
+
+  it("counts multi-byte characters correctly", () => {
+    expect(shortenText("hello🙂world", 7)).toBe("hello🙂…");
+  });
+});