merge: wave 2 executor (01-02) into main

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

paperclip-reference/cli/src/__tests__/auth-command-registration.test.ts

@@ -0,0 +1,16 @@
+import { Command } from "commander";
+import { describe, expect, it } from "vitest";
+import { registerClientAuthCommands } from "../commands/client/auth.js";
+
+describe("registerClientAuthCommands", () => {
+  it("registers auth commands without duplicate company-id flags", () => {
+    const program = new Command();
+    const auth = program.command("auth");
+
+    expect(() => registerClientAuthCommands(auth)).not.toThrow();
+
+    const login = auth.commands.find((command) => command.name() === "login");
+    expect(login).toBeDefined();
+    expect(login?.options.filter((option) => option.long === "--company-id")).toHaveLength(1);
+  });
+});