feat(comments) : add newest and oldest sorting to admin inbox

lib/comments/sorting.test.ts

@@ -0,0 +1,38 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { sql, type SQL } from "drizzle-orm";
+import { PgDialect } from "drizzle-orm/pg-core";
+
+const state = vi.hoisted(() => ({ filter: undefined as unknown, order: [] as unknown[] }));
+vi.mock("server-only", () => ({}));
+vi.mock("@/lib/auth/server", () => ({ getCustomerSession: vi.fn() }));
+vi.mock("@/lib/notifications/events", () => ({ notifyNotificationChange: vi.fn() }));
+vi.mock("./events", () => ({ notifyCommentChange: vi.fn() }));
+vi.mock("@/lib/media/storage", () => ({ getMediaStorage: vi.fn(), publicMediaUrl: vi.fn() }));
+vi.mock("@/lib/audit-log", () => ({ auditActor: vi.fn(), writeAuditLog: vi.fn() }));
+vi.mock("@/db", () => ({ getDb: () => ({ select: () => {
+  const query = {
+    from: () => query, innerJoin: () => query, leftJoin: () => query,
+    where: (condition: unknown) => { state.filter = condition; return query; },
+    orderBy: (...order: unknown[]) => { state.order = order; return query; }, limit: async () => [],
+  };
+  return query;
+} }) }));
+
+import { listComments } from "./repository";
+import { encodeCursor } from "./validation";
+
+beforeEach(() => { state.filter = undefined; state.order = []; });
+
+describe("admin comment chronological sorting", () => {
+  it.each([undefined, "newest", "oldest"])("uses matching ordering and cursor direction for %s", async (sort) => {
+    await listComments({ viewer: { id: "admin", admin: true }, inbox: true, grouped: true, sort,
+      cursor: encodeCursor({ id: "00000000-0000-4000-8000-000000000001", time: "2026-10-13T00:00:00Z", likes: 0 }) });
+    const dialect = new PgDialect();
+    const order = dialect.sqlToQuery(sql.join(state.order as SQL[], sql`, `)).sql;
+    const filter = dialect.sqlToQuery(state.filter as SQL).sql;
+    const direction = sort === "oldest" ? "asc" : "desc";
+    expect(order).toContain(`"created_at" ${direction}`);
+    expect(order).toContain(`"id" ${direction}`);
+    expect(filter).toContain(sort === "oldest" ? ") > (" : ") < (");
+  });
+});