feat: finish the automations plugin (B17)

src/backend/hosts/automation-events.ts

@@ -1,35 +0,0 @@
-/**
- * One-line hand-off from any hosts feature to anything listening for a generic
- * named event (not tied to metrics polling).
- *
- * This now publishes onto the ctx.events bus rather than reaching into the
- * automations engine directly. The two properties callers relied on are
- * unchanged: it is fire-and-forget, and it creates no static edge to the
- * automations layer (which reads repositories that several hosts modules also
- * pull in, so a static import would close a cycle). The automations engine
- * subscribes to the bus at start-up instead -- see automations/triggers.ts.
- */
-
-import { pluginEvents, TOPICS } from "../plugins/events.js";
-
-export interface InternalEventPayload {
-  event: string;
-  userId: string;
-  hostId?: number;
-  details?: Record<string, unknown>;
-}
-
-export function notifyAutomationInternalEvent(
-  event: string,
-  userId: string,
-  hostId?: number,
-  details?: Record<string, unknown>,
-): void {
-  if (!userId) return;
-  pluginEvents.emit(TOPICS.internalEvent, {
-    event,
-    userId,
-    hostId,
-    details,
-  } satisfies InternalEventPayload);
-}

src/backend/hosts/internal-events.ts

@@ -0,0 +1,30 @@
+/**
+ * One-line hand-off from any core feature to anything listening for a generic
+ * named event (host_deleted, user_login, ...). Fire-and-forget: it publishes
+ * onto the plugin event bus under "internal.event" and never waits on a
+ * listener. Plugins subscribe through ctx.events.
+ */
+
+import { pluginEvents, TOPICS } from "../plugins/events.js";
+
+export interface InternalEventPayload {
+  event: string;
+  userId: string;
+  hostId?: number;
+  details?: Record<string, unknown>;
+}
+
+export function emitInternalEvent(
+  event: string,
+  userId: string,
+  hostId?: number,
+  details?: Record<string, unknown>,
+): void {
+  if (!userId) return;
+  pluginEvents.emit(TOPICS.internalEvent, {
+    event,
+    userId,
+    hostId,
+    details,
+  } satisfies InternalEventPayload);
+}