just some attempts at getting the package to work

package.json

@@ -6,7 +6,7 @@
 		"node": ">=18.19.0"
 	},
 	"scripts": {
-		"playground:dev": "pnpm --filter playground dev",
+		"dev": "pnpm --filter playground dev",
 		"changeset": "changeset",
 		"lint": "biome check .",
 		"lint:fix": "biome check --apply ."

package/src/index.ts

@@ -1,3 +1,3 @@
-import { integration } from "./integration.js";
+import astroGist from "./integration";
 
-export default integration;
+export default astroGist;

package/src/integration.ts

@@ -1,8 +1,15 @@
-import type { AstroIntegration } from "astro";
+import { defineIntegration, createResolver } from "astro-integration-kit"
+import { corePlugins } from "astro-integration-kit/plugins"
 
-export const integration = (): AstroIntegration => {
+export default defineIntegration({
+  name: "@matthiesenxyz/astro-gists",
+  plugins: [...corePlugins],
+  setup() {
+	const { resolve } = createResolver(import.meta.url);
 	return {
-		name: "@matthiesenxyz/astro-gists",
+	  "astro:config:setup": ({ watchIntegration }) => {
-		hooks: {},
+		watchIntegration(resolve())
-	};
+	  }
-};
+	}
+  }
+})

playground/astro.config.mjs

@@ -1,8 +1,6 @@
-import tailwind from "@astrojs/tailwind";
 import { defineConfig } from "astro/config";
-import integration from "@matthiesenxyz/astro-gists";
 
 // https://astro.build/config
 export default defineConfig({
-	integrations: [tailwind(), integration()],
+	integrations: [],
 });