Initial curated projectbrain source from 8a7b1e0651dbdab97d744cbd2e653ab3970ac6c5

backend/prisma/migrations/20260902130000_autonomy_executor_heartbeat/migration.sql

@@ -0,0 +1,15 @@
+CREATE TABLE "AutonomyExecutorHeartbeat" (
+    "id" TEXT NOT NULL,
+    "instanceId" TEXT NOT NULL,
+    "runId" TEXT,
+    "status" TEXT NOT NULL,
+    "activeProjectId" TEXT,
+    "detail" TEXT,
+    "startedAt" TIMESTAMP(3) NOT NULL,
+    "lastSeenAt" TIMESTAMP(3) NOT NULL,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "AutonomyExecutorHeartbeat_pkey" PRIMARY KEY ("id")
+);
+
+CREATE INDEX "AutonomyExecutorHeartbeat_lastSeenAt_idx" ON "AutonomyExecutorHeartbeat"("lastSeenAt");