Add plugin framework and settings UI

packages/plugins/examples/plugin-hello-world-example/src/manifest.ts

@@ -0,0 +1,39 @@
+import type { PaperclipPluginManifestV1 } from "@paperclipai/plugin-sdk";
+
+/**
+ * Stable plugin ID used by host registration and namespacing.
+ */
+const PLUGIN_ID = "paperclip.hello-world-example";
+const PLUGIN_VERSION = "0.1.0";
+const DASHBOARD_WIDGET_SLOT_ID = "hello-world-dashboard-widget";
+const DASHBOARD_WIDGET_EXPORT_NAME = "HelloWorldDashboardWidget";
+
+/**
+ * Minimal manifest demonstrating a UI-only plugin with one dashboard widget slot.
+ */
+const manifest: PaperclipPluginManifestV1 = {
+  id: PLUGIN_ID,
+  apiVersion: 1,
+  version: PLUGIN_VERSION,
+  displayName: "Hello World Widget (Example)",
+  description: "Reference UI plugin that adds a simple Hello World widget to the Paperclip dashboard.",
+  author: "Paperclip",
+  categories: ["ui"],
+  capabilities: ["ui.dashboardWidget.register"],
+  entrypoints: {
+    worker: "./dist/worker.js",
+    ui: "./dist/ui",
+  },
+  ui: {
+    slots: [
+      {
+        type: "dashboardWidget",
+        id: DASHBOARD_WIDGET_SLOT_ID,
+        displayName: "Hello World",
+        exportName: DASHBOARD_WIDGET_EXPORT_NAME,
+      },
+    ],
+  },
+};
+
+export default manifest;