refactor(cli): extract shared command-removal and timeout action helpers

src/cli/program/command-tree.test.ts

@@ -0,0 +1,39 @@
+import { Command } from "commander";
+import { describe, expect, it } from "vitest";
+import { removeCommand, removeCommandByName } from "./command-tree.js";
+
+describe("command-tree", () => {
+  it("removes a command instance when present", () => {
+    const program = new Command();
+    const alpha = program.command("alpha");
+    program.command("beta");
+
+    expect(removeCommand(program, alpha)).toBe(true);
+    expect(program.commands.map((command) => command.name())).toEqual(["beta"]);
+  });
+
+  it("returns false when command instance is already absent", () => {
+    const program = new Command();
+    program.command("alpha");
+    const detached = new Command("beta");
+
+    expect(removeCommand(program, detached)).toBe(false);
+  });
+
+  it("removes by command name", () => {
+    const program = new Command();
+    program.command("alpha");
+    program.command("beta");
+
+    expect(removeCommandByName(program, "alpha")).toBe(true);
+    expect(program.commands.map((command) => command.name())).toEqual(["beta"]);
+  });
+
+  it("returns false when name does not exist", () => {
+    const program = new Command();
+    program.command("alpha");
+
+    expect(removeCommandByName(program, "missing")).toBe(false);
+    expect(program.commands.map((command) => command.name())).toEqual(["alpha"]);
+  });
+});