add tests for CLI

cli/src/core/constants.ts

@@ -0,0 +1,6 @@
+/**
+ * Shared constants used across the CLI.
+ * This file should have minimal imports to avoid circular dependencies.
+ */
+
+export const WM_FORK_PREFIX = "wm-fork";

cli/src/core/context.ts

@@ -20,7 +20,7 @@ import {
   getWorkspaceIdForWorkspaceForkFromBranchName,
   isGitRepository,
 } from "../utils/git.ts";
-import { WM_FORK_PREFIX } from "../main.ts";
+import { WM_FORK_PREFIX } from "./constants.ts";
 
 // Helper function to select from multiple matching profiles
 async function selectFromMultipleProfiles(