pinakes-server: add widget, theme-extension, and event plugin routes; expose allowed_endpoints in UI page DTO

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ia7efa6db85da2d44b59e0e2e57f6e45b6a6a6964

crates/pinakes-server/src/dto/plugins.rs

@@ -1,4 +1,4 @@
-use pinakes_plugin_api::UiPage;
+use pinakes_plugin_api::{UiPage, UiWidget};
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Serialize)]
@@ -26,9 +26,29 @@ pub struct TogglePluginRequest {
 #[derive(Debug, Serialize)]
 pub struct PluginUiPageEntry {
   /// Plugin ID that provides this page
-  pub plugin_id: String,
+  pub plugin_id:         String,
   /// Full page definition
-  pub page:      UiPage,
+  pub page:              UiPage,
+  /// Endpoint paths this plugin is allowed to fetch (empty means no
+  /// restriction)
+  pub allowed_endpoints: Vec<String>,
+}
+
+/// A single plugin UI widget entry in the list response
+#[derive(Debug, Serialize)]
+pub struct PluginUiWidgetEntry {
+  /// Plugin ID that provides this widget
+  pub plugin_id: String,
+  /// Full widget definition
+  pub widget:    UiWidget,
+}
+
+/// Request body for emitting a plugin event
+#[derive(Debug, Deserialize)]
+pub struct PluginEventRequest {
+  pub event:   String,
+  #[serde(default)]
+  pub payload: serde_json::Value,
 }
 
 impl PluginResponse {