API Updates

prisma/migrations/20260708000000_add_display_events/migration.sql

@@ -0,0 +1,13 @@
+-- CreateTable
+CREATE TABLE "display_events" (
+    "id" SERIAL NOT NULL,
+    "type" TEXT NOT NULL,
+    "shotCode" TEXT NOT NULL,
+    "by" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "display_events_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "display_events_createdAt_idx" ON "display_events"("createdAt");

prisma/schema.prisma

@@ -557,3 +557,15 @@ model SystemConfig {
 
   @@map("system_config")
 }
+
+/// Physical display event log — polled by ESP32 dot-matrix display
+model DisplayEvent {
+  id        Int      @id @default(autoincrement())
+  type      String   // APPROVED | CHANGES | COMMENT | REJECTED
+  shotCode  String
+  by        String   // actor name (reviewer / commenter)
+  createdAt DateTime @default(now())
+
+  @@index([createdAt])
+  @@map("display_events")
+}