feat: overhaul config loading

package.json

@@ -37,6 +37,7 @@
 		"@readme/openapi-parser": "^5.2.1",
 		"@shopify/lang-jsonc": "^1.0.1",
 		"@tailwindcss/vite": "^4.1.17",
+		"@types/js-yaml": "^4.0.9",
 		"@types/node": "^24.10.1",
 		"@types/react": "^19.2.5",
 		"@types/react-dom": "^19.2.3",
@@ -51,11 +52,11 @@
 		"@xterm/xterm": "^5.5.0",
 		"arktype": "^2.1.26",
 		"clsx": "^2.1.1",
-		"dotenv": "17.2.3",
 		"drizzle-kit": "^0.31.7",
 		"drizzle-orm": "0.44.7",
 		"isbot": "5.1.32",
 		"jose": "6.1.2",
+		"js-yaml": "^4.1.1",
 		"lefthook": "^2.0.4",
 		"lucide-react": "^0.540.0",
 		"mime": "^4.1.0",