Harden auth and mobile session handling

src/lib/session-security.ts

@@ -0,0 +1,12 @@
+import { and, eq, ne } from "drizzle-orm";
+
+import { db } from "~/server/db";
+import { sessions } from "~/server/db/schema";
+
+export async function revokeUserSessions(userId: string, exceptToken?: string | null) {
+  const condition = exceptToken
+    ? and(eq(sessions.userId, userId), ne(sessions.token, exceptToken))
+    : eq(sessions.userId, userId);
+
+  await db.delete(sessions).where(condition);
+}