feat: switch SvelteKit from Cloudflare to node adapter

Deploying to Railway instead of Cloudflare, so swap
@sveltejs/adapter-cloudflare for @sveltejs/adapter-node.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/package.json

@@ -0,0 +1,58 @@
+{
+	"name": "supermentionsapp",
+	"private": true,
+	"version": "0.0.1",
+	"type": "module",
+	"scripts": {
+		"dev": "vite dev",
+		"build": "vite build",
+		"preview": "vite preview",
+		"prepare": "svelte-kit sync || echo ''",
+		"check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json",
+		"check:watch": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json --watch",
+		"format": "prettier --write .",
+		"lint": "prettier --check . && eslint .",
+		"test:unit": "vitest",
+		"test": "npm run test:unit -- --run",
+		"db:push": "drizzle-kit push",
+		"db:generate": "drizzle-kit generate",
+		"db:migrate": "drizzle-kit migrate",
+		"db:studio": "drizzle-kit studio"
+	},
+	"devDependencies": {
+		"@eslint/compat": "^1.4.0",
+		"@eslint/js": "^9.36.0",
+		"@sveltejs/adapter-node": "^5.5.3",
+		"@sveltejs/kit": "^2.43.2",
+		"@sveltejs/vite-plugin-svelte": "^6.2.0",
+		"@tailwindcss/forms": "^0.5.10",
+		"@tailwindcss/typography": "^0.5.18",
+		"@tailwindcss/vite": "^4.1.13",
+		"@types/node": "^22",
+		"@vitest/browser": "^3.2.4",
+		"drizzle-kit": "^0.31.4",
+		"drizzle-orm": "^0.44.5",
+		"eslint": "^9.36.0",
+		"eslint-config-prettier": "^10.1.8",
+		"eslint-plugin-svelte": "^3.12.4",
+		"globals": "^16.4.0",
+		"playwright": "^1.55.1",
+		"prettier": "^3.6.2",
+		"prettier-plugin-svelte": "^3.4.0",
+		"prettier-plugin-tailwindcss": "^0.6.14",
+		"svelte": "^5.39.5",
+		"svelte-check": "^4.3.2",
+		"tailwindcss": "^4.1.13",
+		"typescript": "^5.9.2",
+		"typescript-eslint": "^8.44.1",
+		"vite": "^7.1.7",
+		"vite-plugin-devtools-json": "^1.0.0",
+		"vitest": "^3.2.4",
+		"vitest-browser-svelte": "^1.1.0"
+	},
+	"dependencies": {
+		"better-auth": "^1.3.27",
+		"postgres": "^3.4.7",
+		"valibot": "^1.1.0"
+	}
+}

web/svelte.config.js

@@ -0,0 +1,25 @@
+import adapter from '@sveltejs/adapter-node';
+import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
+
+/** @type {import('@sveltejs/kit').Config} */
+const config = {
+	// Consult https://svelte.dev/docs/kit/integrations
+	// for more information about preprocessors
+	preprocess: vitePreprocess(),
+	kit: {
+		experimental: {
+			remoteFunctions: true
+		},
+		adapter: adapter(),
+		alias: {
+			'@/*': './src/lib/*'
+		}
+	},
+	compilerOptions: {
+		experimental: {
+			async: true
+		}
+	}
+};
+
+export default config;