Revert "SaaS fixes (#6578)"

This reverts commit ddf78d11ae.

frontend/.storybook/main.ts

@@ -1,14 +1,12 @@
 import { resolve } from "node:path";
 import type { StorybookConfig } from "@storybook/react-vite";
-import tsconfigPaths from "vite-tsconfig-paths";
 
 /**
  * Storybook 9 ships essentials, interactions, and docs as built-ins, so the
  * addon list is just the extras we want: theme switching + a11y auditing.
  *
- * Story files live next to their components in shared/, portal/src/, and
- * editor/src/ — the design system is shared by BOTH apps, so both surface
- * their stories here. MDX docs pages live in portal/src/docs/.
+ * Story files live next to their components in shared/ and portal/src/.
+ * MDX docs pages live in portal/src/docs/.
  */
 const config: StorybookConfig = {
   stories: [
@@ -16,7 +14,6 @@ const config: StorybookConfig = {
     "../portal/src/**/*.stories.@(ts|tsx)",
     "../shared/**/*.mdx",
     "../shared/**/*.stories.@(ts|tsx)",
-    "../editor/src/**/*.stories.@(ts|tsx)",
   ],
   addons: ["@storybook/addon-themes", "@storybook/addon-a11y"],
   framework: {
@@ -31,26 +28,13 @@ const config: StorybookConfig = {
   staticDirs: ["../portal/public"],
   viteFinal: async (config) => {
     // Wire @portal/* and @shared/* aliases directly on the Storybook bundler so
-    // portal story imports resolve without needing the portal's vite config.
+    // story imports resolve without needing the portal's vite config.
     config.resolve = config.resolve ?? {};
     config.resolve.alias = {
       ...(config.resolve.alias ?? {}),
       "@portal": resolve(__dirname, "../portal/src"),
       "@shared": resolve(__dirname, "../shared"),
     };
-    // Editor stories import via @app/* (proprietary→core fallback), @core/* and
-    // @proprietary/*. Resolve them exactly the way the editor's own build does —
-    // through vite-tsconfig-paths against the proprietary vite tsconfig — so the
-    // shared Storybook can host editor components without duplicating the alias
-    // map here.
-    config.plugins = config.plugins ?? [];
-    config.plugins.push(
-      tsconfigPaths({
-        projects: [
-          resolve(__dirname, "../editor/tsconfig.proprietary.vite.json"),
-        ],
-      }),
-    );
     return config;
   },
 };