Optimize admin performance and split render surface

services/api/src/server.ts

@@ -1,3 +1,4 @@
+import { createHash } from "node:crypto";
 import { watch } from "node:fs";
 import { mkdir, rm, writeFile } from "node:fs/promises";
 import path from "node:path";
@@ -62,6 +63,56 @@ const fileExtensionFor = (mimeType: string, filename?: string) => {
   return fallback || ".bin";
 };
 
+const createRevision = (value: unknown) => createHash("sha1").update(JSON.stringify(value)).digest("hex");
+
+const getProgramRevision = (state: Awaited<ReturnType<StateStore["read"]>>) =>
+  createRevision({
+    cues: state.cues.map((cue) => ({
+      id: cue.id,
+      orderIndex: cue.orderIndex,
+      sceneDefinitionId: cue.sceneDefinitionId,
+      effectPresetId: cue.effectPresetId,
+      updated: [cue.transitionIn, cue.transitionOut, cue.assetIds, cue.notes, cue.triggerMode, cue.durationMs, cue.nextCueId, cue.collectionId]
+    })),
+    safeSceneCueId: state.showConfig.safeSceneCueId
+  });
+
+const getLibraryRevision = (state: Awaited<ReturnType<StateStore["read"]>>) =>
+  createRevision({
+    photoAssets: state.photoAssets.map((asset) => ({
+      id: asset.id,
+      submissionId: asset.submissionId,
+      moderationStatus: asset.moderationStatus,
+      processingStatus: asset.processingStatus,
+      thumbKey: asset.thumbKey,
+      previewKey: asset.previewKey,
+      renderKey: asset.renderKey,
+      approvedAt: asset.approvedAt
+    })),
+    submissions: state.submissions.map((submission) => ({
+      id: submission.id,
+      status: submission.status,
+      contributorName: submission.contributorName,
+      lovedOneName: submission.lovedOneName,
+      displayName: submission.displayName,
+      caption: submission.caption,
+      promptAnswer: submission.promptAnswer,
+      notes: submission.notes,
+      source: submission.source
+    })),
+    collections: state.collections.map((collection) => ({
+      id: collection.id,
+      assetIds: collection.assetIds,
+      coverAssetId: collection.coverAssetId
+    }))
+  });
+
+const createAdminBootstrapPayload = (state: Awaited<ReturnType<StateStore["read"]>>) => ({
+  ...state,
+  libraryRevision: getLibraryRevision(state),
+  programRevision: getProgramRevision(state)
+});
+
 const normalizeMimeType = (mimeType: string | undefined, filename?: string) => {
   const normalized = mimeType?.toLowerCase().trim() ?? "";
   if (allowedMimeTypes.has(normalized)) {
@@ -282,7 +333,7 @@ export const buildServer = async () => {
     service: "api"
   }));
 
-  app.get("/api/admin/bootstrap", async () => store.read());
+  app.get("/api/admin/bootstrap", async () => createAdminBootstrapPayload(await store.read()));
   app.get("/api/admin/live", async () => {
     const state = await store.read();
     const pendingCount = state.photoAssets.filter((asset) => {
@@ -296,7 +347,9 @@ export const buildServer = async () => {
     return {
       cues: state.cues,
       pendingCount,
-      approvedCount: state.photoAssets.filter((asset) => asset.moderationStatus === "approved").length
+      approvedCount: state.photoAssets.filter((asset) => asset.moderationStatus === "approved").length,
+      libraryRevision: getLibraryRevision(state),
+      programRevision: getProgramRevision(state)
     };
   });
   app.get("/api/admin/library", async () => {
@@ -304,7 +357,8 @@ export const buildServer = async () => {
     return {
       photoAssets: state.photoAssets,
       submissions: state.submissions,
-      collections: state.collections
+      collections: state.collections,
+      revision: getLibraryRevision(state)
     };
   });
 
@@ -315,7 +369,7 @@ export const buildServer = async () => {
   app.get("/api/assets", async () => (await store.read()).photoAssets);
   app.get("/api/submissions", async () => (await store.read()).submissions);
   app.get("/api/show-config", async () => (await store.read()).showConfig);
-  app.post("/api/library/rescan", async () => syncLibrary());
+  app.post("/api/library/rescan", async () => createAdminBootstrapPayload(await syncLibrary()));
 
   app.put<{ Params: { submissionId: string }; Body: SubmissionUpdatePayload }>(
     "/api/submissions/:submissionId",