refactor(webchat): SwiftUI-only WebChat UI

# Conflicts:
#	apps/macos/Package.swift

src/gateway/client.ts

@@ -85,7 +85,7 @@ export class GatewayClient {
       minProtocol: this.opts.minProtocol ?? PROTOCOL_VERSION,
       maxProtocol: this.opts.maxProtocol ?? PROTOCOL_VERSION,
       client: {
-        name: this.opts.clientName ?? "webchat-backend",
+        name: this.opts.clientName ?? "gateway-client",
         version: this.opts.clientVersion ?? "dev",
         platform: this.opts.platform ?? process.platform,
         mode: this.opts.mode ?? "backend",

src/gateway/server.test.ts

@@ -91,9 +91,6 @@ vi.mock("../commands/health.js", () => ({
 vi.mock("../commands/status.js", () => ({
   getStatusSummary: vi.fn().mockResolvedValue({ ok: true }),
 }));
-vi.mock("../webchat/server.js", () => ({
-  ensureWebChatServerFromConfig: vi.fn().mockResolvedValue(null),
-}));
 vi.mock("../web/outbound.js", () => ({
   sendMessageWhatsApp: vi
     .fn()

src/gateway/server.ts

@@ -89,7 +89,6 @@ import { normalizeE164 } from "../utils.js";
 import { setHeartbeatsEnabled } from "../web/auto-reply.js";
 import { sendMessageWhatsApp } from "../web/outbound.js";
 import { requestReplyHeartbeatNow } from "../web/reply-heartbeat-wake.js";
-import { ensureWebChatServerFromConfig } from "../webchat/server.js";
 import { buildMessageWithAttachments } from "./chat-attachments.js";
 import {
   type ConnectParams,
@@ -543,7 +542,6 @@ async function refreshHealthSnapshot(_opts?: { probe?: boolean }) {
 
 export async function startGatewayServer(
   port = 18789,
-  opts?: { webchatPort?: number },
 ): Promise<GatewayServer> {
   const host = "127.0.0.1";
   const httpServer: HttpServer = createHttpServer();
@@ -3419,19 +3417,6 @@ export async function startGatewayServer(
   );
   defaultRuntime.log(`gateway log file: ${getResolvedLoggerSettings().file}`);
 
-  // Start loopback WebChat server (unless disabled via config).
-  void ensureWebChatServerFromConfig(opts?.webchatPort)
-    .then((webchat) => {
-      if (webchat) {
-        defaultRuntime.log(
-          `webchat listening on http://127.0.0.1:${webchat.port}/`,
-        );
-      }
-    })
-    .catch((err) => {
-      logError(`gateway: webchat failed to start: ${String(err)}`);
-    });
-
   // Start clawd browser control server (unless disabled via config).
   void startBrowserControlServerFromConfig(defaultRuntime).catch((err) => {
     logError(`gateway: clawd browser server failed to start: ${String(err)}`);