feat: add dashboard persistence store

src/lib/server/dashboard.ts

@@ -1,3 +1,9 @@
+import { dimensionLabDashboardFixture } from "$lib/model/fixtures/dimensionlab";
+import {
+  createDashboardStore,
+  type DashboardStore,
+} from "$lib/server/db/dashboard-store";
+
 export type PlaceholderStatus = "ready" | "building";
 
 export interface PlaceholderDashboard {
@@ -5,6 +11,8 @@ export interface PlaceholderDashboard {
   subtitle: string;
   status: PlaceholderStatus;
   message: string;
+  schemaVersion?: string;
+  currentRevisionId?: string;
 }
 
 export function loadPlaceholderDashboard(): PlaceholderDashboard {
@@ -16,3 +24,29 @@ export function loadPlaceholderDashboard(): PlaceholderDashboard {
       "SvelteKit is running. Later issues will replace this placeholder with the validated dashboard model.",
   };
 }
+
+export function loadDashboardRuntime(store?: DashboardStore): PlaceholderDashboard {
+  const dashboardStore = store || createDashboardStore();
+
+  try {
+    const seeded = dashboardStore.seedDashboardIfEmpty(dimensionLabDashboardFixture, {
+      actor: "dimensionlab-seed",
+      message: "load initial dashboard seed",
+    });
+    const active = dashboardStore.getActiveDashboard();
+    const document = active?.document || seeded.document;
+    const currentRevisionId = active?.currentRevisionId || seeded.id;
+
+    return {
+      title: document.metadata.title,
+      subtitle: document.metadata.subtitle || "",
+      status: "building",
+      message:
+        "Active dashboard document loaded from SQLite. Later issues will replace this placeholder with model-driven rendering.",
+      schemaVersion: document.schemaVersion,
+      currentRevisionId,
+    };
+  } finally {
+    if (!store) dashboardStore.close();
+  }
+}