heavily simplify server and app content. unify styling

server/plugins/db.init.js

@@ -1,9 +1,5 @@
 import { getDb, closeDb } from '../utils/db.js'
 
-/**
- * Initialize DB at server startup.
- * Close DB on server shutdown to avoid native sqlite3 crashes in worker teardown.
- */
 export default defineNitroPlugin((nitroApp) => {
   void getDb()
   nitroApp.hooks.hook('close', () => {

server/plugins/websocket.js

@@ -1,17 +1,7 @@
-/**
- * WebSocket server for WebRTC signaling.
- * Attaches to Nitro's HTTP server and handles WebSocket connections.
- */
-
 import { WebSocketServer } from 'ws'
 import { getDb } from '../utils/db.js'
 import { handleWebSocketMessage } from '../utils/webrtcSignaling.js'
 
-/**
- * Parse cookie header string into object.
- * @param {string} cookieHeader
- * @returns {Record<string, string>} Parsed cookie name-value pairs.
- */
 function parseCookie(cookieHeader) {
   const cookies = {}
   if (!cookieHeader) return cookies
@@ -25,30 +15,16 @@ function parseCookie(cookieHeader) {
 }
 
 let wss = null
-const connections = new Map() // sessionId -> Set<WebSocket>
+const connections = new Map()
 
-/**
- * Get WebSocket server instance.
- * @returns {WebSocketServer | null} WebSocket server instance or null.
- */
 export function getWebSocketServer() {
   return wss
 }
 
-/**
- * Get connections for a session.
- * @param {string} sessionId
- * @returns {Set<WebSocket>} Set of WebSockets for the session.
- */
 export function getSessionConnections(sessionId) {
   return connections.get(sessionId) || new Set()
 }
 
-/**
- * Add connection to session.
- * @param {string} sessionId
- * @param {WebSocket} ws
- */
 export function addSessionConnection(sessionId, ws) {
   if (!connections.has(sessionId)) {
     connections.set(sessionId, new Set())
@@ -56,11 +32,6 @@ export function addSessionConnection(sessionId, ws) {
   connections.get(sessionId).add(ws)
 }
 
-/**
- * Remove connection from session.
- * @param {string} sessionId
- * @param {WebSocket} ws
- */
 export function removeSessionConnection(sessionId, ws) {
   const conns = connections.get(sessionId)
   if (conns) {
@@ -71,11 +42,6 @@ export function removeSessionConnection(sessionId, ws) {
   }
 }
 
-/**
- * Send message to all connections for a session.
- * @param {string} sessionId
- * @param {object} message
- */
 export function broadcastToSession(sessionId, message) {
   const conns = getSessionConnections(sessionId)
   const data = JSON.stringify(message)