fix: add sessions table to Drizzle schema + auto-create at startup

lib/db/src/schema/index.ts

@@ -2,3 +2,4 @@ export * from "./tools";
 export * from "./ratings";
 export * from "./users";
 export * from "./audit-logs";
+export * from "./sessions";

lib/db/src/schema/sessions.ts

@@ -0,0 +1,7 @@
+import { pgTable, text, json, timestamp } from "drizzle-orm/pg-core";
+
+export const sessionsTable = pgTable("sessions", {
+  sid: text("sid").notNull().primaryKey(),
+  sess: json("sess").notNull(),
+  expire: timestamp("expire", { withTimezone: true, precision: 6 }).notNull(),
+});