refactor: apply repository naming contract

Apply the accepted pre-release package, service, type, directory, and role renames as one repository-wide change.

packages/client/ui-input-trigger/src/index.ts

@@ -0,0 +1,9 @@
+/**
+ * Slash trigger plugin, node half. Pure UI plugin: the empty apply exists so
+ * the plugin appears in the host cordis.yml / Loader; the browser half ships
+ * via exports["./client"], discovered through the package.json dsh.client
+ * declaration.
+ */
+
+/** Host plugin body — no host-side behavior for the slash trigger plugin. */
+export function apply(): void {}