feat: add user_stats, audit_logs and verification tokens schema

Made-with: Cursor

src/db/schema/auditLogs.ts

@@ -0,0 +1,18 @@
+import { pgTable, uuid, varchar, timestamp } from 'drizzle-orm/pg-core';
+import { jsonb } from 'drizzle-orm/pg-core';
+import { users } from './users.js';
+
+export const auditLogs = pgTable('audit_logs', {
+  id: uuid('id').primaryKey().defaultRandom(),
+  adminId: uuid('admin_id')
+    .notNull()
+    .references(() => users.id, { onDelete: 'cascade' }),
+  action: varchar('action', { length: 100 }).notNull(),
+  targetType: varchar('target_type', { length: 50 }).notNull(),
+  targetId: uuid('target_id').notNull(),
+  details: jsonb('details').$type<Record<string, unknown>>(),
+  createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
+});
+
+export type AuditLog = typeof auditLogs.$inferSelect;
+export type NewAuditLog = typeof auditLogs.$inferInsert;