refactor(webchat): SwiftUI-only WebChat UI

# Conflicts:
#	apps/macos/Package.swift

src/cli/gateway-cli.coverage.test.ts

@@ -26,8 +26,7 @@ vi.mock("../gateway/call.js", () => ({
 }));
 
 vi.mock("../gateway/server.js", () => ({
-  startGatewayServer: (port: number, opts: unknown) =>
-    startGatewayServer(port, opts),
+  startGatewayServer: (port: number) => startGatewayServer(port),
 }));
 
 vi.mock("../globals.js", () => ({

src/cli/gateway-cli.ts

@@ -42,10 +42,6 @@ export function registerGatewayCli(program: Command) {
     .command("gateway")
     .description("Run the WebSocket Gateway")
     .option("--port <port>", "Port for the gateway WebSocket", "18789")
-    .option(
-      "--webchat-port <port>",
-      "Port for the loopback WebChat HTTP server (default 18788)",
-    )
     .option(
       "--token <token>",
       "Shared token required in connect.params.auth.token (default: CLAWDIS_GATEWAY_TOKEN env if set)",
@@ -63,16 +59,6 @@ export function registerGatewayCli(program: Command) {
         defaultRuntime.error("Invalid port");
         defaultRuntime.exit(1);
       }
-      const webchatPort = opts.webchatPort
-        ? Number.parseInt(String(opts.webchatPort), 10)
-        : undefined;
-      if (
-        webchatPort !== undefined &&
-        (Number.isNaN(webchatPort) || webchatPort <= 0)
-      ) {
-        defaultRuntime.error("Invalid webchat port");
-        defaultRuntime.exit(1);
-      }
       if (opts.force) {
         try {
           const killed = forceFreePort(port);
@@ -143,7 +129,7 @@ export function registerGatewayCli(program: Command) {
       process.once("SIGINT", onSigint);
 
       try {
-        server = await startGatewayServer(port, { webchatPort });
+        server = await startGatewayServer(port);
       } catch (err) {
         if (err instanceof GatewayLockError) {
           defaultRuntime.error(`Gateway failed to start: ${err.message}`);

src/cli/program.test.ts

@@ -4,7 +4,6 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 const sendCommand = vi.fn();
 const statusCommand = vi.fn();
 const loginWeb = vi.fn();
-const startWebChatServer = vi.fn(async () => ({ port: 18788 }));
 const callGateway = vi.fn();
 
 const runtime = {
@@ -25,10 +24,6 @@ vi.mock("../gateway/call.js", () => ({
   callGateway,
   randomIdempotencyKey: () => "idem-test",
 }));
-vi.mock("../webchat/server.js", () => ({
-  startWebChatServer,
-  getWebChatServer: () => null,
-}));
 vi.mock("./deps.js", () => ({
   createDefaultDeps: () => ({}),
 }));
@@ -54,16 +49,6 @@ describe("cli program", () => {
     expect(statusCommand).toHaveBeenCalled();
   });
 
-  it("starts webchat server and prints json", async () => {
-    const program = buildProgram();
-    runtime.log.mockClear();
-    await program.parseAsync(["webchat", "--json"], { from: "user" });
-    expect(startWebChatServer).toHaveBeenCalled();
-    expect(runtime.log).toHaveBeenCalledWith(
-      JSON.stringify({ port: 18788, basePath: "/", host: "127.0.0.1" }),
-    );
-  });
-
   it("runs nodes list and calls node.pair.list", async () => {
     callGateway.mockResolvedValue({ pending: [], paired: [] });
     const program = buildProgram();

src/cli/program.ts

@@ -26,7 +26,6 @@ import { danger, info, setVerbose } from "../globals.js";
 import { loginWeb, logoutWeb } from "../provider-web.js";
 import { defaultRuntime } from "../runtime.js";
 import { VERSION } from "../version.js";
-import { startWebChatServer } from "../webchat/server.js";
 import { registerCronCli } from "./cron-cli.js";
 import { createDefaultDeps } from "./deps.js";
 import { registerDnsCli } from "./dns-cli.js";
@@ -362,43 +361,6 @@ Shows token usage per session when the agent reports it; set inbound.agent.conte
       );
     });
 
-  program
-    .command("webchat")
-    .description("Start or query the loopback-only web chat server")
-    .option("--port <port>", "Port to bind (default 18788)")
-    .option("--json", "Return JSON", false)
-    .action(async (opts) => {
-      const port = opts.port
-        ? Number.parseInt(String(opts.port), 10)
-        : undefined;
-      const server = await startWebChatServer(port);
-      if (!server) {
-        const targetPort = port ?? 18788;
-        const msg = `webchat failed to start on http://127.0.0.1:${targetPort}/`;
-        if (opts.json) {
-          defaultRuntime.error(
-            JSON.stringify({ error: msg, port: targetPort }),
-          );
-        } else {
-          defaultRuntime.error(danger(msg));
-        }
-        defaultRuntime.exit(1);
-        return;
-      }
-      const payload = {
-        port: server.port,
-        basePath: "/",
-        host: "127.0.0.1",
-      };
-      if (opts.json) {
-        defaultRuntime.log(JSON.stringify(payload));
-      } else {
-        defaultRuntime.log(
-          info(`webchat listening on http://127.0.0.1:${server.port}/`),
-        );
-      }
-    });
-
   const browser = program
     .command("browser")
     .description("Manage clawd's dedicated browser (Chrome/Chromium)")