fix: close TOCTOU race + missing checks in tier limits, add AI rate limits, patch CVEs (v0.60.0)

Security audit fixes (see SECURITY_AUDIT.md):
- lib/tiers.ts: checkAndIncrementTierLimit's recipe/storage branches did a
  live count/sum check with no lock tying it to the later write, so two
  concurrent requests near the cap could both pass and both write past the
  limit. Added checkTierLimitInTransaction — holds a per-user Postgres
  advisory lock for the duration of the caller's transaction, so the check
  and the write are atomic together. Applied to every recipe/storage write
  path (recipes create/update, fork, rate, avatar, and 7 AI recipe-creation
  routes).
- Adversarial re-verification of that fix caught a bigger gap in the same
  area: four AI routes (photo import, idea generation, batch-cook,
  translate-to-new-draft) had no recipe-limit check at all. Fixed.
- Added missing per-user rate limits to 5 AI endpoints (adapt, drinks,
  pairings, translate, variations) that had none, unlike their siblings.
- search page now checks for a session server-side, matching every other
  page under (app)/ — defense in depth; the underlying API was already
  public by design and proxy.ts already blocked unauthenticated requests.
- admin/settings route now uses the shared requireAdmin instead of a local
  duplicate.
- Documented two admin support-ticket endpoints missing from the OpenAPI
  spec; verified full route/OpenAPI parity otherwise.
- Bumped drizzle-orm to fix a SQL-identifier-escaping CVE, and overrode two
  transitive deps (esbuild, postcss) with known CVEs. pnpm audit is clean.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/web/app/api/v1/admin/settings/__tests__/route.test.ts

@@ -1,39 +1,28 @@
 import { describe, it, expect, vi, beforeEach } from "vitest";
-import { NextRequest } from "next/server";
+import { NextRequest, NextResponse } from "next/server";
 
 const mockAdminSession = { user: { id: "admin-1", role: "admin" } };
 
-vi.mock("next/headers", () => ({
-  headers: vi.fn().mockResolvedValue(new Headers()),
-}));
-
-vi.mock("@/lib/auth/server", () => ({
-  auth: { api: { getSession: vi.fn() } },
+vi.mock("@/lib/api-auth", () => ({
+  requireAdmin: vi.fn(),
 }));
 
 vi.mock("@/lib/site-settings", () => ({
   setSiteSetting: vi.fn().mockResolvedValue(undefined),
 }));
 
-const { mockSelectChain, mockInsertValues } = vi.hoisted(() => {
-  const mockSelectChain = {
-    from: vi.fn().mockReturnThis(),
-    where: vi.fn().mockResolvedValue([{ role: "admin" }]),
-  };
-  return { mockSelectChain, mockInsertValues: vi.fn().mockResolvedValue(undefined) };
-});
+const { mockInsertValues } = vi.hoisted(() => ({
+  mockInsertValues: vi.fn().mockResolvedValue(undefined),
+}));
 
 vi.mock("@epicure/db", () => ({
   db: {
-    select: vi.fn(() => mockSelectChain),
     insert: vi.fn(() => ({ values: mockInsertValues })),
   },
-  users: { id: "id", role: "role" },
   auditLogs: {},
-  eq: vi.fn((a, b) => ({ a, b, op: "eq" })),
 }));
 
-const { auth } = await import("@/lib/auth/server");
+const { requireAdmin } = await import("@/lib/api-auth");
 const { setSiteSetting } = await import("@/lib/site-settings");
 import { PUT } from "../route";
 
@@ -47,21 +36,26 @@ function makeRequest(body: unknown) {
 
 beforeEach(() => {
   vi.clearAllMocks();
-  vi.mocked(auth.api.getSession).mockResolvedValue(mockAdminSession as never);
-  mockSelectChain.where.mockResolvedValue([{ role: "admin" }]);
+  vi.mocked(requireAdmin).mockResolvedValue({ session: mockAdminSession as never, response: null });
 });
 
 describe("PUT /api/v1/admin/settings", () => {
   it("returns 403 when caller is not an admin", async () => {
-    mockSelectChain.where.mockResolvedValue([{ role: "user" }]);
+    vi.mocked(requireAdmin).mockResolvedValue({
+      session: null,
+      response: NextResponse.json({ error: "Forbidden" }, { status: 403 }),
+    } as never);
     const res = await PUT(makeRequest({ OPENAI_API_KEY: "sk-1" }));
     expect(res.status).toBe(403);
   });
 
-  it("returns 403 when there is no session", async () => {
-    vi.mocked(auth.api.getSession).mockResolvedValue(null as never);
+  it("returns 401 when there is no session", async () => {
+    vi.mocked(requireAdmin).mockResolvedValue({
+      session: null,
+      response: NextResponse.json({ error: "Unauthorized" }, { status: 401 }),
+    } as never);
     const res = await PUT(makeRequest({ OPENAI_API_KEY: "sk-1" }));
-    expect(res.status).toBe(403);
+    expect(res.status).toBe(401);
   });
 
   it("updates allowed keys and writes an audit log", async () => {

apps/web/app/api/v1/admin/settings/route.ts

@@ -1,7 +1,6 @@
 import { type NextRequest, NextResponse } from "next/server";
-import { headers } from "next/headers";
-import { auth } from "@/lib/auth/server";
-import { db, users, auditLogs, eq } from "@epicure/db";
+import { db, auditLogs } from "@epicure/db";
+import { requireAdmin } from "@/lib/api-auth";
 import { setSiteSetting, type SiteSettingKey } from "@/lib/site-settings";
 import { randomUUID } from "crypto";
 
@@ -28,31 +27,23 @@ const ALLOWED_KEYS: SiteSettingKey[] = [
   "GITEA_REPO",
 ];
 
-async function requireAdmin() {
-  const session = await auth.api.getSession({ headers: await headers() });
-  if (!session) return null;
-  const [dbUser] = await db.select({ role: users.role }).from(users).where(eq(users.id, session.user.id));
-  if (dbUser?.role !== "admin") return null;
-  return session;
-}
-
 export async function PUT(req: NextRequest) {
-  const session = await requireAdmin();
-  if (!session) return NextResponse.json({ error: "Forbidden" }, { status: 403 });
+  const { session, response } = await requireAdmin();
+  if (response) return response;
 
   const body = (await req.json()) as Record<string, string | null>;
 
   const changed: string[] = [];
   for (const [key, value] of Object.entries(body)) {
     if (!ALLOWED_KEYS.includes(key as SiteSettingKey)) continue;
-    await setSiteSetting(key as SiteSettingKey, value, session.user.id);
+    await setSiteSetting(key as SiteSettingKey, value, session!.user.id);
     changed.push(key);
   }
 
   if (changed.length > 0) {
     await db.insert(auditLogs).values({
       id: randomUUID(),
-      userId: session.user.id,
+      userId: session!.user.id,
       action: "admin.settings.update",
       targetType: "site_settings",
       metadata: JSON.stringify({ keys: changed }),