Loader (cms-client.js), submodule-aware editor source path, build:watch

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tsconfig.json

@@ -13,7 +13,13 @@
     "noEmit": true,
     "types": ["vite/client", "node"],
     "baseUrl": ".",
-    "paths": { "@k6n/cms-editor": ["../ecommerce/backoffice/web/packages/cms-editor/src/index.ts"] }
+    "paths": {
+      "@k6n/cms-editor": [
+        "../backoffice/web/packages/cms-editor/src/index.ts",
+        "../ecommerce/backoffice/web/packages/cms-editor/src/index.ts",
+        "./.cms-editor/src/index.ts"
+      ]
+    }
   },
   "include": ["src", "mock", "vite", "vite.config.ts", "test"]
 }