feat: add shared runtime and PI datasource handlers

src/lib/datasources.ts

@@ -0,0 +1,45 @@
+import streamDeck from "@elgato/streamdeck";
+import { fetchMetrics, fetchModels } from "./llamaswap";
+import { gpuInfos, parseGpuMetrics } from "./metrics-parser";
+import { cfgFromSettings, type CfgSettings } from "./util";
+
+interface DataSourceItem {
+  label: string;
+  value: string;
+}
+
+export function registerDataSources(): void {
+  streamDeck.ui.onSendToPlugin(async (ev) => {
+    const request = ev.payload as { event?: string } | undefined;
+    const event = request?.event;
+    if (!event) return;
+    const settings = await ev.action.getSettings<CfgSettings>();
+
+    if (event === "models") {
+      let items: DataSourceItem[] = [];
+      try {
+        const models = await fetchModels(cfgFromSettings(settings));
+        items = models.map((m) => ({ label: `${m.id} (${m.status})`, value: m.id }));
+      } catch {
+        items = [];
+      }
+      await streamDeck.ui.sendToPropertyInspector({ event, items });
+      return;
+    }
+
+    if (event === "gpus") {
+      let items: DataSourceItem[] = [];
+      try {
+        const text = await fetchMetrics(cfgFromSettings(settings));
+        const gpus = gpuInfos(parseGpuMetrics(text));
+        items = [
+          { label: "All GPUs", value: "all" },
+          ...gpus.map((g) => ({ label: `GPU ${g.id} · ${g.name}`, value: g.id })),
+        ];
+      } catch {
+        items = [{ label: "All GPUs", value: "all" }];
+      }
+      await streamDeck.ui.sendToPropertyInspector({ event, items });
+    }
+  });
+}