-- Append-only activity feed (shown on /activity)
CREATE TABLE "Activity" (
    "id" TEXT NOT NULL,
    "type" TEXT NOT NULL,
    "summary" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT "Activity_pkey" PRIMARY KEY ("id")
);
CREATE INDEX "Activity_createdAt_idx" ON "Activity"("createdAt");