refactor(cli): rename registry namespace to @databricks-appkit

Match the registry rename (registry.json name: appkit -> databricks-appkit)
so `appkit add` writes the @databricks-appkit namespace into components.json
and stripNamespace() strips the same prefix.

Co-authored-by: Isaac

Author: MarioCadenas

packages/shared/src/cli/commands/registry/client.ts

@@ -23,7 +23,7 @@ export interface RegistryItem {
   files?: RegistryItemFile[];
 }
 
-/** Removes a leading `@appkit/` namespace from a component reference. */
+/** Removes a leading `@databricks-appkit/` namespace from a component reference. */
 export function stripNamespace(component: string): string {
   const prefix = `${REGISTRY_NAMESPACE}/`;
   return component.startsWith(prefix)

packages/shared/src/cli/commands/registry/constants.ts

@@ -1,7 +1,7 @@
 import { spawnSync } from "node:child_process";
 
-/** shadcn registry namespace consumers reference, e.g. `@appkit/metric-card`. */
-export const REGISTRY_NAMESPACE = "@appkit";
+/** shadcn registry namespace consumers reference, e.g. `@databricks-appkit/metric-card`. */
+export const REGISTRY_NAMESPACE = "@databricks-appkit";
 
 /** GitHub repo hosting the registry, and the branch the built items live on. */
 export const REGISTRY_REPO = "databricks/appkit-registry";