feat : big update

app/api/commission/checkouts/[id]/verify/route.ts

@@ -0,0 +1,66 @@
+import { and, eq } from "drizzle-orm";
+import { getDb } from "@/db";
+import { commissionCheckouts, commissionPayments, commissionTickets } from "@/db/schema";
+import { notifyCommission, requireCommissionUser } from "@/lib/commission/server";
+import { notifyPaidTicketDiscord } from "@/lib/commission/discord";
+import { verifyCommissionSlip } from "@/lib/commission/payment";
+import { getMediaStorage } from "@/lib/media/storage";
+import { inspectImage } from "@/lib/media/inspect";
+import { boundedBody, errorResponse, HttpError, requireSameOrigin, withUploadSlot } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+
+const MAX_SLIP_BYTES = 6 * 1024 * 1024;
+
+export async function POST(request: Request, context: RouteContext<"/api/commission/checkouts/[id]/verify">) {
+  try {
+    requireSameOrigin(request);
+    const user = await requireCommissionUser();
+    await limitRequest("commission-slip", user.id, 10);
+    const { id } = await context.params;
+    const [checkout] = await getDb().select().from(commissionCheckouts)
+      .where(and(eq(commissionCheckouts.id, id), eq(commissionCheckouts.userId, user.id))).limit(1);
+    if (!checkout) throw new HttpError(404, "checkout-not-found");
+    const [existing] = await getDb().select({ id: commissionTickets.id }).from(commissionTickets)
+      .where(eq(commissionTickets.checkoutId, id)).limit(1);
+    if (existing) return Response.json({ ticketId: existing.id });
+    if (!request.headers.get("content-type")?.startsWith("multipart/form-data;"))
+      throw new HttpError(415, "expected-multipart");
+    return await withUploadSlot(async () => {
+      const form = await boundedBody(request, MAX_SLIP_BYTES + 64 * 1024).formData();
+      const file = form.get("file");
+      if (!(file instanceof File) || file.size === 0 || file.size > MAX_SLIP_BYTES ||
+        !["image/png", "image/jpeg", "image/webp"].includes(file.type))
+        throw new HttpError(415, "invalid-slip-image");
+      const bytes = new Uint8Array(await file.arrayBuffer());
+      await inspectImage(bytes, file.type as "image/png" | "image/jpeg" | "image/webp");
+      const verified = await verifyCommissionSlip(file, checkout.amountBaht, checkout.createdAt);
+      const objectKey = `commission/slips/${crypto.randomUUID()}`;
+      const storage = await getMediaStorage();
+      await storage.write(objectKey, bytes, { type: file.type, acl: "private" });
+      let ticketId: string;
+      try {
+        ticketId = await getDb().transaction(async (tx) => {
+          const [ticket] = await tx.insert(commissionTickets).values({
+            checkoutId: checkout.id, userId: user.id,
+          }).returning({ id: commissionTickets.id });
+          await tx.insert(commissionPayments).values({
+            checkoutId: checkout.id, ticketId: ticket.id, slipObjectKey: objectKey,
+            slipMimeType: file.type, ...verified,
+          });
+          return ticket.id;
+        });
+      } catch (cause) {
+        await storage.delete(objectKey).catch(() => undefined);
+        const [paid] = await getDb().select({ id: commissionTickets.id }).from(commissionTickets)
+          .where(eq(commissionTickets.checkoutId, checkout.id)).limit(1);
+        if (paid) return Response.json({ ticketId: paid.id });
+        if (cause && typeof cause === "object" && "code" in cause && cause.code === "23505")
+          throw new HttpError(409, "payment-already-used");
+        throw cause;
+      }
+      await notifyCommission(ticketId, user.id);
+      await notifyPaidTicketDiscord(ticketId, checkout.amountBaht);
+      return Response.json({ ticketId }, { status: 201, headers: { "Cache-Control": "no-store" } });
+    });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/checkouts/route.ts

@@ -0,0 +1,24 @@
+import { getDb } from "@/db";
+import { commissionCheckouts } from "@/db/schema";
+import { validateCommissionCatalog } from "@/lib/commission/catalog";
+import { promptPayConfig } from "@/lib/commission/payment";
+import { commissionPrice, commissionRequestSchema } from "@/lib/commission/request";
+import { requireCommissionUser } from "@/lib/commission/server";
+import { errorResponse, HttpError, readJson, requireSameOrigin } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+
+export async function POST(request: Request) {
+  try {
+    requireSameOrigin(request);
+    const user = await requireCommissionUser();
+    await limitRequest("commission-checkout", user.id, 15);
+    const parsed = commissionRequestSchema.safeParse(await readJson(request, 32 * 1024));
+    if (!parsed.success || !(await validateCommissionCatalog(parsed.data)))
+      throw new HttpError(400, "invalid-commission-request");
+    promptPayConfig();
+    const [checkout] = await getDb().insert(commissionCheckouts).values({
+      userId: user.id, request: parsed.data, amountBaht: commissionPrice(parsed.data),
+    }).returning({ id: commissionCheckouts.id });
+    return Response.json({ checkoutId: checkout.id }, { status: 201, headers: { "Cache-Control": "no-store" } });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/events/route.ts

@@ -0,0 +1,25 @@
+import { createRedisNamedEventResponse } from "@/lib/events/redis-stream";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { requireCommissionUser } from "@/lib/commission/server";
+import { errorResponse, HttpError } from "@/lib/security/http";
+import { limitRequest, trustedClientAddress } from "@/lib/security/rate-limit";
+
+export async function GET(request: Request) {
+  try {
+    const user = await requireCommissionUser();
+    await limitRequest("stream-open", trustedClientAddress(request.headers), 60);
+    const url = new URL(request.url);
+    const ticketId = url.searchParams.get("ticketId");
+    const scope = url.searchParams.get("scope");
+    let topic: string;
+    if (ticketId) {
+      if (!/^[a-f0-9-]{36}$/i.test(ticketId)) throw new HttpError(400, "invalid-ticket-id");
+      await authorizeTicket(ticketId);
+      topic = `commission:ticket:${ticketId}`;
+    } else if (scope === "admin") {
+      if (user.role !== "admin" || !user.emailVerified) throw new HttpError(403, "forbidden");
+      topic = "commission:admin";
+    } else topic = `commission:user:${user.id}`;
+    return await createRedisNamedEventResponse(topic, "changed", request.signal);
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/images/[messageId]/route.ts

@@ -0,0 +1,21 @@
+import { and, eq } from "drizzle-orm";
+import { getDb } from "@/db";
+import { commissionMessages } from "@/db/schema";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { getMediaStorage } from "@/lib/media/storage";
+import { errorResponse, HttpError } from "@/lib/security/http";
+
+export async function GET(_request: Request,
+  context: RouteContext<"/api/commission/tickets/[id]/images/[messageId]">) {
+  try {
+    const { id, messageId } = await context.params;
+    await authorizeTicket(id);
+    const [message] = await getDb().select({ key: commissionMessages.imageObjectKey,
+      type: commissionMessages.imageMimeType }).from(commissionMessages)
+      .where(and(eq(commissionMessages.id, messageId), eq(commissionMessages.ticketId, id))).limit(1);
+    if (!message?.key || !message.type) throw new HttpError(404, "image-not-found");
+    const file = (await getMediaStorage()).file(message.key);
+    return new Response(await file.bytes(), { headers: { "Content-Type": message.type,
+      "Cache-Control": "private, no-store", "X-Content-Type-Options": "nosniff" } });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/messages/[messageId]/route.test.ts

@@ -0,0 +1,76 @@
+import { PgDialect } from "drizzle-orm/pg-core";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+const authorizeTicket = vi.fn();
+const notifyCommission = vi.fn();
+const deleteObject = vi.fn();
+const deleteReturning = vi.fn();
+const deleteWhere = vi.fn();
+const updateWhere = vi.fn();
+
+const tx = {
+  delete: vi.fn(() => ({ where: deleteWhere })),
+  update: vi.fn(() => ({ set: () => ({ where: updateWhere }) })),
+};
+
+vi.mock("@/db", () => ({ getDb: () => ({ transaction: async (run: (value: typeof tx) => Promise<unknown>) => run(tx) }) }));
+vi.mock("@/lib/commission/tickets", () => ({ authorizeTicket }));
+vi.mock("@/lib/commission/server", () => ({ notifyCommission }));
+vi.mock("@/lib/media/storage", () => ({ getMediaStorage: async () => ({ delete: deleteObject }) }));
+vi.mock("@/lib/security/rate-limit", () => ({ limitRequest: async () => undefined }));
+
+const { DELETE } = await import("./route");
+const ticketId = "11111111-1111-4111-8111-111111111111";
+const messageId = "22222222-2222-4222-8222-222222222222";
+const ownerId = "owner-1";
+
+function deletionRequest(origin = "https://guide.sudloh.com") {
+  return new Request(`https://guide.sudloh.com/api/commission/tickets/${ticketId}/messages/${messageId}`,
+    { method: "DELETE", headers: { Origin: origin } });
+}
+
+function context() {
+  return { params: Promise.resolve({ id: ticketId, messageId }) } as RouteContext<
+    "/api/commission/tickets/[id]/messages/[messageId]">;
+}
+
+describe("commission message deletion", () => {
+  beforeEach(() => {
+    process.env.BETTER_AUTH_URL = "https://guide.sudloh.com";
+    vi.clearAllMocks();
+    authorizeTicket.mockResolvedValue({ ticket: { userId: ownerId }, user: { id: ownerId } });
+    deleteWhere.mockImplementation(() => ({ returning: deleteReturning }));
+    deleteReturning.mockResolvedValue([{ imageObjectKey: "commission/messages/image-1" }]);
+    updateWhere.mockResolvedValue(undefined);
+    deleteObject.mockResolvedValue(undefined);
+    notifyCommission.mockResolvedValue(undefined);
+  });
+
+  it("rejects cross-origin requests before ticket authorization", async () => {
+    const response = await DELETE(deletionRequest("https://example.com"), context());
+    expect(response.status).toBe(403);
+    expect(authorizeTicket).not.toHaveBeenCalled();
+  });
+
+  it("deletes only a message owned by the current user in this ticket", async () => {
+    const response = await DELETE(deletionRequest(), context());
+    expect(response.status).toBe(204);
+    const condition = deleteWhere.mock.calls[0][0];
+    const query = new PgDialect().sqlToQuery(condition);
+    expect(query.sql).toContain('"ticket_id"');
+    expect(query.sql).toContain('"author_id"');
+    expect(query.params).toContain(ticketId);
+    expect(query.params).toContain(messageId);
+    expect(query.params).toContain(ownerId);
+    expect(deleteObject).toHaveBeenCalledWith("commission/messages/image-1");
+    expect(notifyCommission).toHaveBeenCalledWith(ticketId, ownerId);
+  });
+
+  it("leaves storage and notifications untouched when no owned message exists", async () => {
+    deleteReturning.mockResolvedValue([]);
+    const response = await DELETE(deletionRequest(), context());
+    expect(response.status).toBe(404);
+    expect(deleteObject).not.toHaveBeenCalled();
+    expect(notifyCommission).not.toHaveBeenCalled();
+  });
+});

app/api/commission/tickets/[id]/messages/[messageId]/route.ts

@@ -0,0 +1,32 @@
+import { and, eq } from "drizzle-orm";
+import * as z from "zod";
+import { getDb } from "@/db";
+import { commissionMessages, commissionTickets } from "@/db/schema";
+import { notifyCommission } from "@/lib/commission/server";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { getMediaStorage } from "@/lib/media/storage";
+import { errorResponse, HttpError, requireSameOrigin } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+
+export async function DELETE(request: Request,
+  context: RouteContext<"/api/commission/tickets/[id]/messages/[messageId]">) {
+  try {
+    requireSameOrigin(request);
+    const { id, messageId } = await context.params;
+    if (!z.uuid().safeParse(messageId).success) throw new HttpError(404, "message-not-found");
+    const { ticket, user } = await authorizeTicket(id);
+    await limitRequest("commission-message-delete", user.id, 30);
+    const imageObjectKey = await getDb().transaction(async (tx) => {
+      const [message] = await tx.delete(commissionMessages)
+        .where(and(eq(commissionMessages.id, messageId), eq(commissionMessages.ticketId, id),
+          eq(commissionMessages.authorId, user.id)))
+        .returning({ imageObjectKey: commissionMessages.imageObjectKey });
+      if (!message) throw new HttpError(404, "message-not-found");
+      await tx.update(commissionTickets).set({ updatedAt: new Date() }).where(eq(commissionTickets.id, id));
+      return message.imageObjectKey;
+    });
+    if (imageObjectKey) await (await getMediaStorage()).delete(imageObjectKey).catch(() => undefined);
+    await notifyCommission(id, ticket.userId);
+    return new Response(null, { status: 204 });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/messages/route.ts

@@ -0,0 +1,55 @@
+import { eq } from "drizzle-orm";
+import { getDb } from "@/db";
+import { commissionMessages, commissionTickets } from "@/db/schema";
+import { notifyCommission } from "@/lib/commission/server";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { getMediaStorage } from "@/lib/media/storage";
+import { inspectImage } from "@/lib/media/inspect";
+import { boundedBody, errorResponse, HttpError, requireSameOrigin, withUploadSlot } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+
+export async function POST(request: Request, context: RouteContext<"/api/commission/tickets/[id]/messages">) {
+  try {
+    requireSameOrigin(request);
+    const { id } = await context.params;
+    const { ticket, user } = await authorizeTicket(id);
+    if (ticket.status !== "open") throw new HttpError(409, "ticket-closed");
+    await limitRequest("commission-message", user.id, 60);
+    if (!request.headers.get("content-type")?.startsWith("multipart/form-data;"))
+      throw new HttpError(415, "expected-multipart");
+    return await withUploadSlot(async () => {
+      const form = await boundedBody(request, 6 * 1024 * 1024 + 64 * 1024).formData();
+      const value = form.get("text");
+      const body = typeof value === "string" ? value.trim() : "";
+      const image = form.get("image");
+      if (body.length > 4000 || (image && !(image instanceof File)))
+        throw new HttpError(400, "invalid-message");
+      if (!body && !image) throw new HttpError(400, "empty-message");
+      let imageObjectKey: string | null = null;
+      if (image instanceof File) {
+        if (image.size === 0 || image.size > 6 * 1024 * 1024 ||
+          !["image/png", "image/jpeg", "image/webp"].includes(image.type))
+          throw new HttpError(415, "invalid-message-image");
+        const bytes = new Uint8Array(await image.arrayBuffer());
+        await inspectImage(bytes, image.type as "image/png" | "image/jpeg" | "image/webp");
+        imageObjectKey = `commission/messages/${crypto.randomUUID()}`;
+        await (await getMediaStorage()).write(imageObjectKey, bytes, { type: image.type, acl: "private" });
+      }
+      let messageId: string;
+      try {
+        messageId = await getDb().transaction(async (tx) => {
+          const [message] = await tx.insert(commissionMessages).values({ ticketId: id, authorId: user.id,
+            text: body || null, imageObjectKey, imageMimeType: image instanceof File ? image.type : null })
+            .returning({ id: commissionMessages.id });
+          await tx.update(commissionTickets).set({ updatedAt: new Date() }).where(eq(commissionTickets.id, id));
+          return message.id;
+        });
+      } catch (cause) {
+        if (imageObjectKey) await (await getMediaStorage()).delete(imageObjectKey).catch(() => undefined);
+        throw cause;
+      }
+      await notifyCommission(id, ticket.userId);
+      return Response.json({ ok: true, messageId }, { status: 201 });
+    });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/reactions/route.ts

@@ -0,0 +1,34 @@
+import { and, eq } from "drizzle-orm";
+import { getDb } from "@/db";
+import { commissionMessages, commissionReactions } from "@/db/schema";
+import { notifyCommission } from "@/lib/commission/server";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { errorResponse, HttpError, readJson, requireSameOrigin } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+import * as z from "zod";
+
+const inputSchema = z.object({ messageId: z.uuid(), emoji: z.enum(["👍", "❤️", "😂", "😮", "😢", "🎉"]) });
+
+export async function POST(request: Request, context: RouteContext<"/api/commission/tickets/[id]/reactions">) {
+  try {
+    requireSameOrigin(request);
+    const { id } = await context.params;
+    const { ticket, user } = await authorizeTicket(id);
+    if (ticket.status !== "open") throw new HttpError(409, "ticket-closed");
+    await limitRequest("commission-reaction", user.id, 60);
+    const parsed = inputSchema.safeParse(await readJson(request));
+    if (!parsed.success) throw new HttpError(400, "invalid-reaction");
+    const [message] = await getDb().select({ id: commissionMessages.id }).from(commissionMessages)
+      .where(and(eq(commissionMessages.id, parsed.data.messageId), eq(commissionMessages.ticketId, id))).limit(1);
+    if (!message) throw new HttpError(404, "message-not-found");
+    const where = and(eq(commissionReactions.messageId, message.id),
+      eq(commissionReactions.userId, user.id), eq(commissionReactions.emoji, parsed.data.emoji));
+    const [existing] = await getDb().select().from(commissionReactions).where(where).limit(1);
+    if (existing) await getDb().delete(commissionReactions).where(where);
+    else await getDb().insert(commissionReactions).values({
+      messageId: message.id, userId: user.id, emoji: parsed.data.emoji,
+    }).onConflictDoNothing();
+    await notifyCommission(id, ticket.userId);
+    return Response.json({ active: !existing });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/slip/route.ts

@@ -0,0 +1,20 @@
+import { eq } from "drizzle-orm";
+import { getDb } from "@/db";
+import { commissionPayments } from "@/db/schema";
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { getMediaStorage } from "@/lib/media/storage";
+import { errorResponse, HttpError } from "@/lib/security/http";
+
+export async function GET(_request: Request, context: RouteContext<"/api/commission/tickets/[id]/slip">) {
+  try {
+    const { id } = await context.params;
+    await authorizeTicket(id);
+    const [payment] = await getDb().select({ key: commissionPayments.slipObjectKey,
+      type: commissionPayments.slipMimeType }).from(commissionPayments)
+      .where(eq(commissionPayments.ticketId, id)).limit(1);
+    if (!payment) throw new HttpError(404, "slip-not-found");
+    const file = (await getMediaStorage()).file(payment.key);
+    return new Response(await file.bytes(), { headers: { "Content-Type": payment.type,
+      "Cache-Control": "private, no-store", "X-Content-Type-Options": "nosniff" } });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/status/route.ts

@@ -0,0 +1,23 @@
+import { eq } from "drizzle-orm";
+import * as z from "zod";
+import { getDb } from "@/db";
+import { commissionTickets } from "@/db/schema";
+import { requireAdmin } from "@/lib/auth/server";
+import { notifyCommission } from "@/lib/commission/server";
+import { errorResponse, HttpError, readJson, requireSameOrigin } from "@/lib/security/http";
+
+export async function PATCH(request: Request, context: RouteContext<"/api/commission/tickets/[id]/status">) {
+  try {
+    requireSameOrigin(request);
+    await requireAdmin();
+    const { id } = await context.params;
+    const parsed = z.object({ status: z.enum(["open", "closed"]) }).safeParse(await readJson(request));
+    if (!parsed.success) throw new HttpError(400, "invalid-status");
+    const [ticket] = await getDb().update(commissionTickets)
+      .set({ status: parsed.data.status, updatedAt: new Date() })
+      .where(eq(commissionTickets.id, id)).returning({ userId: commissionTickets.userId });
+    if (!ticket) throw new HttpError(404, "ticket-not-found");
+    await notifyCommission(id, ticket.userId);
+    return Response.json({ status: parsed.data.status });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/title/route.test.ts

@@ -0,0 +1,65 @@
+import { beforeEach, describe, expect, it, vi } from "vitest";
+import { HttpError } from "@/lib/security/http";
+
+const requireAdmin = vi.fn();
+const update = vi.fn();
+const set = vi.fn();
+const where = vi.fn();
+const returning = vi.fn();
+const notifyCommission = vi.fn();
+
+vi.mock("@/lib/auth/server", () => ({ requireAdmin }));
+vi.mock("@/db", () => ({ getDb: () => ({ update }) }));
+vi.mock("@/lib/commission/server", () => ({ notifyCommission }));
+
+const { PATCH } = await import("./route");
+const ticketId = "11111111-1111-4111-8111-111111111111";
+const userId = "customer-1";
+
+function request(title: unknown, origin = "https://guide.sudloh.com") {
+  return new Request(`https://guide.sudloh.com/api/commission/tickets/${ticketId}/title`, {
+    method: "PATCH", headers: { Origin: origin, "Content-Type": "application/json" },
+    body: JSON.stringify({ title }),
+  });
+}
+
+function context() {
+  return { params: Promise.resolve({ id: ticketId }) } as RouteContext<"/api/commission/tickets/[id]/title">;
+}
+
+describe("commission ticket rename", () => {
+  beforeEach(() => {
+    process.env.BETTER_AUTH_URL = "https://guide.sudloh.com";
+    vi.clearAllMocks();
+    requireAdmin.mockResolvedValue({ user: { id: "admin-1" } });
+    update.mockReturnValue({ set });
+    set.mockReturnValue({ where });
+    where.mockReturnValue({ returning });
+    returning.mockResolvedValue([{ title: "New name", userId }]);
+    notifyCommission.mockResolvedValue(undefined);
+  });
+
+  it("rejects cross-origin and non-admin requests", async () => {
+    expect((await PATCH(request("New name", "https://example.com"), context())).status).toBe(403);
+    expect(requireAdmin).not.toHaveBeenCalled();
+    requireAdmin.mockRejectedValueOnce(new HttpError(401, "unauthorized"));
+    expect((await PATCH(request("New name"), context())).status).toBe(401);
+    expect(update).not.toHaveBeenCalled();
+  });
+
+  it("normalizes and saves a name, then notifies ticket viewers", async () => {
+    const response = await PATCH(request("  New   name  "), context());
+    expect(response.status).toBe(200);
+    expect(set).toHaveBeenCalledWith({ title: "New name", updatedAt: expect.any(Date) });
+    expect(notifyCommission).toHaveBeenCalledWith(ticketId, userId);
+  });
+
+  it("allows clearing the name and rejects names over 80 characters", async () => {
+    returning.mockResolvedValueOnce([{ title: null, userId }]);
+    expect((await PATCH(request("   "), context())).status).toBe(200);
+    expect(set).toHaveBeenCalledWith({ title: null, updatedAt: expect.any(Date) });
+    vi.clearAllMocks();
+    expect((await PATCH(request("x".repeat(81)), context())).status).toBe(400);
+    expect(update).not.toHaveBeenCalled();
+  });
+});

app/api/commission/tickets/[id]/title/route.ts

@@ -0,0 +1,25 @@
+import { eq } from "drizzle-orm";
+import * as z from "zod";
+import { getDb } from "@/db";
+import { commissionTickets } from "@/db/schema";
+import { requireAdmin } from "@/lib/auth/server";
+import { notifyCommission } from "@/lib/commission/server";
+import { errorResponse, HttpError, readJson, requireSameOrigin } from "@/lib/security/http";
+
+const inputSchema = z.object({ title: z.string().trim().max(80) });
+
+export async function PATCH(request: Request, context: RouteContext<"/api/commission/tickets/[id]/title">) {
+  try {
+    requireSameOrigin(request);
+    await requireAdmin();
+    const { id } = await context.params;
+    const parsed = inputSchema.safeParse(await readJson(request, 512));
+    if (!parsed.success) throw new HttpError(400, "invalid-ticket-title");
+    const title = parsed.data.title.replace(/\s+/gu, " ") || null;
+    const [ticket] = await getDb().update(commissionTickets).set({ title, updatedAt: new Date() })
+      .where(eq(commissionTickets.id, id)).returning({ title: commissionTickets.title, userId: commissionTickets.userId });
+    if (!ticket) throw new HttpError(404, "ticket-not-found");
+    await notifyCommission(id, ticket.userId);
+    return Response.json({ title: ticket.title });
+  } catch (cause) { return errorResponse(cause); }
+}

app/api/commission/tickets/[id]/typing/route.ts

@@ -0,0 +1,20 @@
+import { authorizeTicket } from "@/lib/commission/tickets";
+import { getRedisClient, redisEventChannel } from "@/lib/redis/client";
+import { errorResponse, HttpError, readJson, requireSameOrigin } from "@/lib/security/http";
+import { limitRequest } from "@/lib/security/rate-limit";
+
+export async function POST(request: Request, context: RouteContext<"/api/commission/tickets/[id]/typing">) {
+  try {
+    requireSameOrigin(request);
+    const { id } = await context.params;
+    const { ticket, user } = await authorizeTicket(id);
+    if (ticket.status !== "open") throw new HttpError(409, "ticket-closed");
+    await limitRequest("commission-typing", user.id, 30);
+    const body = await readJson(request, 128);
+    if (!body || typeof body !== "object" || !("active" in body) || typeof body.active !== "boolean")
+      throw new HttpError(400, "invalid-typing-state");
+    await (await getRedisClient()).publish(redisEventChannel(`commission:ticket:${id}`),
+      `typing:${JSON.stringify({ userId: user.id, name: user.name, active: body.active })}`);
+    return new Response(null, { status: 204 });
+  } catch (cause) { return errorResponse(cause); }
+}