feat: Enhance plugin store and experiment design infrastructure

- Add plugin store system with dynamic loading of robot actions
- Implement plugin store API routes and database schema
- Update experiment designer to support plugin-based actions
- Refactor environment configuration and sidebar navigation
- Improve authentication session handling with additional user details
- Update Tailwind CSS configuration and global styles
- Remove deprecated files and consolidate project structure

next.config.mjs

@@ -0,0 +1,61 @@
+import "./src/env.mjs";
+import { createRequire } from 'module';
+const require = createRequire(import.meta.url);
+
+/** @type {import('next').NextConfig} */
+const config = {
+  // Image configuration
+  images: {
+    remotePatterns: [
+      {
+        protocol: "https",
+        hostname: "**",
+      },
+      {
+        protocol: "http",
+        hostname: "localhost",
+        port: "3000",
+        pathname: "/api/images/**",
+      },
+    ],
+    dangerouslyAllowSVG: true,
+    contentDispositionType: 'attachment',
+  },
+
+  // Package configuration
+  transpilePackages: ["postgres"],
+
+  // Enable experimental features
+  experimental: {
+    // Enable modern webpack features
+    webpackBuildWorker: true,
+    // Turbopack configuration (when using --turbo)
+    turbo: {
+      resolveAlias: {
+        // Handle server-only modules in Turbo
+        'server-only': 'server-only',
+      },
+    },
+  },
+
+  // Webpack fallbacks (only used when not using Turbo)
+  webpack: (config, { isServer }) => {
+    if (!isServer) {
+      config.resolve.fallback = {
+        ...config.resolve.fallback,
+        fs: false,
+        net: false,
+        tls: false,
+        crypto: false,
+        os: false,
+        path: false,
+        stream: false,
+        perf_hooks: false,
+        child_process: false,
+      };
+    }
+    return config;
+  },
+};
+
+export default config;