Refactor runtime bootstrap and ship control flows

apps/viewer/src/ui/stores/viewerScene.ts

@@ -0,0 +1,19 @@
+import { defineStore } from "pinia";
+import type { PovLevel } from "../../viewerTypes";
+
+export const useViewerSceneStore = defineStore("viewerScene", {
+  state: () => ({
+    activeSystemId: null as string | null,
+    povLevel: "system" as PovLevel,
+  }),
+  actions: {
+    setViewContext(activeSystemId: string | null, povLevel: PovLevel) {
+      this.activeSystemId = activeSystemId;
+      this.povLevel = povLevel;
+    },
+    reset() {
+      this.activeSystemId = null;
+      this.povLevel = "system";
+    },
+  },
+});