docs: update CLAUDE.md architecture map for server.js extraction

Add entries for ws-setup, ws-legacy-handlers, http-handler, server-startup,
server-startup2, routes-registry. Update server.js description to reflect
that it is now a thin bootstrap/wiring module (200L).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: lanmower

CLAUDE.md

@@ -14,7 +14,7 @@ Server starts on `http://localhost:3000`, redirects to `/gm/`.
 ## Architecture
 
 ```
-server.js              HTTP server + WebSocket + all API routes (raw http.createServer)
+server.js              Bootstrap: imports, constants, wiring of all factories; delegates to lib/ modules for HTTP handler, WS setup, routes, startup
 database.js            SQLite connection, schema DDL, migrations (queries extracted to lib/db-queries.js)
 acp-queries.js         ACP query helpers (UUID, timestamp, JSON utilities)
 bin/gmgui.cjs          CLI entry point (npx agentgui / bun x agentgui)
@@ -62,8 +62,14 @@ lib/routes-agent-actions.js  Agent auth and update HTTP route handlers (POST /ap
 lib/routes-auth-config.js  Auth config HTTP route handlers (GET /api/auth/configs, POST /api/auth/save-config)
 lib/routes-upload.js   Express sub-app: POST /api/upload/:conversationId (Busboy file upload) + GET /files/:conversationId fsbrowse router; createExpressApp(deps) factory
 lib/http-utils.js       HTTP utility functions (parseBody, acceptsEncoding, compressAndSend, sendJSON)
+lib/http-handler.js    Main HTTP request handler factory: createHttpHandler(deps) => async (req,res); rate limiting, auth, CORS, route dispatch, static file serving
 lib/provider-config.js  Provider config helpers (buildSystemPrompt, maskKey, getProviderConfigs, saveProviderConfig, PROVIDER_CONFIGS)
 lib/server-utils.js     Server utility functions (logError, errLogPath, makeCleanupExecution, makeGetModelsForAgent)
+lib/routes-registry.js  Route + WS handler registration: createRegistry(wsRouter, deps) => _routes; wires all HTTP route _match objects and all WS handler registrations
+lib/ws-setup.js        WebSocket server setup: createWsSetup(server, deps) => { wss, hotReloadClients }; connection auth, client tracking, watch file reload, heartbeat
+lib/ws-legacy-handlers.js  Legacy WS message handler: subscribe/unsubscribe/terminal PTY/pm2 commands; called from ws-setup.js onLegacy
+lib/server-startup.js  Server startup: createOnServerReady(deps) => { onServerReady, getJsonlWatcher }; tools, ACP, speech, PM2 monitoring init
+lib/server-startup2.js  Startup helpers: createAutoImport (hasIndexFilesChanged + performAutoImport), createDbRecovery (orphaned session cleanup), createPluginLoader (plugin extension loading)
 lib/routes-debug.js    Debug/backup/restore/ws-stats HTTP route handlers
 lib/routes-threads.js  Thread CRUD HTTP route handlers (ACP v0.2.3 thread API)
 lib/ws-protocol.js     WebSocket RPC router (WsRouter class)