Switch Prisma from SQLite to PostgreSQL for production deploy.

Co-authored-by: Cursor <cursoragent@cursor.com>

prisma/migrations_sqlite_archive/20260727120000_product_releases/migration.sql

@@ -0,0 +1,12 @@
+-- CreateTable
+CREATE TABLE "product_releases" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "product" TEXT NOT NULL,
+    "version" TEXT NOT NULL,
+    "note" TEXT,
+    "created_at" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" DATETIME NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "product_releases_product_key" ON "product_releases"("product");