Revert "Merge pull request 'Complete Housekeeping migration and /ase cutover' (#52) from codex/housekeeping-complete into main"

This reverts commit 488b6e57c4, reversing
changes made to b506b4499a.

src/actions/multi-account-detect.ts

@@ -0,0 +1,68 @@
+"use server";
+
+import { asc, count, desc, eq, gte, ne, sql } from "drizzle-orm";
+import { requirePermission } from "@/lib/admin/guard";
+import { db, User } from "@/lib/db";
+import { PERMS } from "@/lib/permissions";
+
+export interface MultiAccountCluster {
+	key: string;
+	label: string;
+	accountCount: number;
+	accounts: Array<{
+		id: number;
+		username: string;
+		rank: number;
+		online: string;
+	}>;
+}
+
+export async function detectMultiAccounts({
+	minAccounts,
+	limit,
+}: {
+	minAccounts: number;
+	limit: number;
+}) {
+	await requirePermission(PERMS.USERS_VIEW);
+	const clusters: MultiAccountCluster[] = [];
+
+	const accountCount = count(User.id);
+	const ipGroups = await db
+		.select({
+			ipCurrent: User.ipCurrent,
+			accountCount,
+		})
+		.from(User)
+		.where(ne(User.ipCurrent, ""))
+		.groupBy(User.ipCurrent)
+		.having(gte(accountCount, minAccounts))
+		.orderBy(desc(sql`COUNT(${User.id})`))
+		.limit(limit);
+
+	for (const group of ipGroups) {
+		const users = await db
+			.select({
+				id: User.id,
+				username: User.username,
+				rank: User.rank,
+				online: User.online,
+			})
+			.from(User)
+			.where(eq(User.ipCurrent, group.ipCurrent))
+			.orderBy(asc(User.id));
+		clusters.push({
+			key: group.ipCurrent,
+			label: `IP: ${group.ipCurrent}`,
+			accountCount: Number(group.accountCount),
+			accounts: users.map((u) => ({
+				id: u.id,
+				username: u.username,
+				rank: u.rank,
+				online: u.online,
+			})),
+		});
+	}
+
+	return { ok: true as const, data: { clusters } };
+}