Upload 18 files

Dockerfile.txt

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+# Multi-stage build for Translator API
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+COPY central/package*.json ./central/
+COPY worker/package*.json ./worker/
+
+# Install all dependencies
+RUN npm ci && \
+    cd central && npm ci && \
+    cd ../worker && npm ci
+
+# Production stage
+FROM node:20-alpine AS production
+
+WORKDIR /app
+
+# Install dumb-init for proper signal handling
+RUN apk add --no-cache dumb-init
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nodejs -u 1001
+
+# Copy built dependencies
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/central/node_modules ./central/node_modules
+COPY --from=builder /app/worker/node_modules ./worker/node_modules
+
+# Copy source code
+COPY --chown=nodejs:nodejs package.json ./
+COPY --chown=nodejs:nodejs central ./central
+COPY --chown=nodejs:nodejs worker ./worker
+COPY --chown=nodejs:nodejs shared ./shared
+
+# Create logs directory
+RUN mkdir -p central/logs worker/logs && chown -R nodejs:nodejs central/logs worker/logs
+
+# Switch to non-root user
+USER nodejs
+
+# Expose port
+EXPOSE 7860
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:7820/api/health || exit 1
+
+# Start central server (worker will be started separately in docker-compose)
+ENTRYPOINT ["dumb-init", "--"]
+CMD ["node", "central/src/index.js"]

central/secrets/.env.example

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+# Hugging Face Spaces Environment Variables
+# Copy this file to .env and fill in your values
+# NEVER commit the actual .env file!
+
+# Admin panel access code (required for /admin access)
+ADMIN_ACCESS_CODE=your-secure-admin-code-here
+
+# Tailscale API key for worker discovery (optional)
+TAILSCALE_API_KEY=tskey-xxxxxxxxx
+
+# Optional: Custom port (default 7820)
+# PORT=7820
+
+# Optional: Node environment
+# NODE_ENV=production

central/settings.json

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+{
+  "port": 7820,
+  "rateLimit": {
+    "maxRequestsPerMinutePerIP": 30,
+    "windowMs": 60000
+  },
+  "scanLocalWorkers": true,
+  "metricsWindowSeconds": 120,
+  "maxLocalJobs": 4
+}

central/src/index.js

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+require('dotenv').config({ path: require('path').join(__dirname, '../../secrets/.env') });
+const express = require('express');
+const cors = require('cors');
+const rateLimit = require('express-rate-limit');
+const { WebSocketServer } = require('ws');
+const http = require('http');
+const path = require('path');
+const fs = require('fs');
+const { v4: uuidv4 } = require('uuid');
+const PQueue = require('p-queue').default;
+const os = require('os');
+const winston = require('winston');
+
+const settings = JSON.parse(fs.readFileSync(path.join(__dirname, '../settings.json'), 'utf8'));
+
+// Logger configuration
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.combine(
+    winston.format.timestamp(),
+    winston.format.json()
+  ),
+  transports: [
+    new winston.transports.Console(),
+    new winston.transports.File({ filename: path.join(__dirname, '../../logs/central.log') })
+  ]
+});
+
+// Metrics storage
+const metrics = {
+  requests: [], // { timestamp, ip, duration, sourceLang, targetLang, inputText, outputText }
+  cpuHistory: [],
+  ramHistory: [],
+  workers: new Map() // workerId -> { id, ws, cpu, ram, lastHeartbeat, jobsActive }
+};
+
+// Job queue (local processing + worker dispatch)
+const localQueue = new PQueue({ concurrency: settings.maxLocalJobs });
+const workerQueue = new PQueue({ concurrency: 10 }); // dispatch to workers
+
+// Express app
+const app = express();
+const server = http.createServer(app);
+
+// WebSocket server for workers
+const wss = new WebSocketServer({ server });
+
+// Middleware
+app.use(cors());
+app.use(express.json({ limit: '10mb' }));
+app.use(express.static(path.join(__dirname, '../../public')));
+
+// Rate limiting
+const limiter = rateLimit({
+  windowMs: settings.rateLimit.windowMs,
+  max: settings.rateLimit.maxRequestsPerMinutePerIP,
+  message: { error: 'Trop de requêtes, veuillez réessayer plus tard.' },
+  standardHeaders: true,
+  legacyHeaders: false,
+  keyGenerator: (req) => req.ip
+});
+app.use('/translate', limiter);
+
+// Admin authentication middleware
+const adminAuth = (req, res, next) => {
+  const adminCode = process.env.ADMIN_ACCESS_CODE;
+  const providedCode = req.headers['x-admin-code'] || req.query.admin_code;
+  if (!adminCode || providedCode !== adminCode) {
+    return res.status(401).json({ error: 'Code admin invalide' });
+  }
+  next();
+};
+
+// Load translation function
+const translate = require('@vitalets/google-translate-api');
+
+// Metrics collection
+setInterval(() => {
+  const cpuUsage = process.cpuUsage();
+  const memUsage = process.memoryUsage();
+  const totalMem = os.totalmem();
+  const freeMem = os.freemem();
+  
+  metrics.cpuHistory.push({ timestamp: Date.now(), cpu: cpuUsage.user + cpuUsage.system });
+  metrics.ramHistory.push({ timestamp: Date.now(), used: totalMem - freeMem, total: totalMem });
+  
+  // Keep only last metricsWindowSeconds
+  const cutoff = Date.now() - settings.metricsWindowSeconds * 1000;
+  metrics.cpuHistory = metrics.cpuHistory.filter(m => m.timestamp > cutoff);
+  metrics.ramHistory = metrics.ramHistory.filter(m => m.timestamp > cutoff);
+  metrics.requests = metrics.requests.filter(m => m.timestamp > cutoff);
+}, 1000);
+
+// Clean up inactive workers
+setInterval(() => {
+  const now = Date.now();
+  for (const [id, worker] of metrics.workers) {
+    if (now - worker.lastHeartbeat > 15000) {
+      logger.info(`Worker ${id} disconnected (timeout)`);
+      metrics.workers.delete(id);
+    }
+  }
+}, 5000);
+
+// WebSocket handling for workers
+wss.on('connection', (ws, req) => {
+  const workerId = uuidv4();
+  logger.info(`Worker connected: ${workerId}`);
+  
+  const worker = {
+    id: workerId,
+    ws,
+    cpu: 0,
+    ram: 0,
+    lastHeartbeat: Date.now(),
+    jobsActive: 0,
+    maxJobs: 2
+  };
+  metrics.workers.set(workerId, worker);
+  
+  ws.on('message', (data) => {
+    try {
+      const msg = JSON.parse(data);
+      handleWorkerMessage(workerId, msg);
+    } catch (e) {
+      logger.error('Invalid worker message', e);
+    }
+  });
+  
+  ws.on('close', () => {
+    logger.info(`Worker disconnected: ${workerId}`);
+    metrics.workers.delete(workerId);
+  });
+  
+  ws.on('error', (err) => {
+    logger.error(`Worker ${workerId} error`, err);
+  });
+  
+  // Send welcome message with config
+  ws.send(JSON.stringify({
+    type: 'welcome',
+    workerId,
+    maxConcurrentJobs: 2
+  }));
+});
+
+function handleWorkerMessage(workerId, msg) {
+  const worker = metrics.workers.get(workerId);
+  if (!worker) return;
+  
+  switch (msg.type) {
+    case 'heartbeat':
+      worker.lastHeartbeat = Date.now();
+      worker.cpu = msg.cpu || 0;
+      worker.ram = msg.ram || 0;
+      worker.jobsActive = msg.jobsActive || 0;
+      break;
+    case 'result':
+      // Job completed by worker
+      if (msg.jobId) {
+        // Find and resolve the waiting promise
+        const pending = pendingJobs.get(msg.jobId);
+        if (pending) {
+          pending.resolve(msg.result);
+          pendingJobs.delete(msg.jobId);
+        }
+      }
+      worker.jobsActive = Math.max(0, worker.jobsActive - 1);
+      break;
+    case 'log':
+      logger.info(`Worker ${workerId} log: ${msg.message}`);
+      break;
+  }
+}
+
+// Pending jobs waiting for worker results
+const pendingJobs = new Map();
+
+// API Routes
+
+// Health check
+app.get('/api/health', (req, res) => {
+  res.json({ status: 'ok', uptime: process.uptime() });
+});
+
+// Translate endpoint
+app.post('/translate', async (req, res) => {
+  const startTime = Date.now();
+  const { text, source = 'auto', target = 'fr' } = req.body;
+  const ip = req.ip;
+  
+  if (!text || typeof text !== 'string') {
+    return res.status(400).json({ error: 'Texte requis' });
+  }
+  
+  if (text.length > 5000) {
+    return res.status(400).json({ error: 'Texte trop long (max 5000 caractères)' });
+  }
+  
+  try {
+    // Try to dispatch to available worker first
+    let result;
+    const availableWorker = findAvailableWorker();
+    
+    if (availableWorker) {
+      result = await dispatchToWorker(availableWorker, { text, source, target });
+    } else {
+      // Process locally
+      result = await localQueue.add(() => translateText(text, source, target));
+    }
+    
+    const duration = Date.now() - startTime;
+    
+    // Extract translated text from worker result object if needed
+    const translatedText = result.translatedText || result;
+    
+    // Log request
+    metrics.requests.push({
+      timestamp: Date.now(),
+      ip,
+      duration,
+      sourceLang: source,
+      targetLang: target,
+      inputText: text.substring(0, 100),
+      outputText: translatedText.substring(0, 100)
+    });
+    
+    res.json({ translatedText, source, target, duration });
+  } catch (error) {
+    logger.error('Translation error', error);
+    res.status(500).json({ error: 'Erreur de traduction' });
+  }
+});
+
+function translateText(text, source, target) {
+  return translate(text, { from: source, to: target }).then(res => res.text);
+}
+
+function findAvailableWorker() {
+  for (const [id, worker] of metrics.workers) {
+    if (worker.jobsActive < worker.maxJobs && worker.ws.readyState === 1) {
+      return worker;
+    }
+  }
+  return null;
+}
+
+function dispatchToWorker(worker, job) {
+  return new Promise((resolve, reject) => {
+    const jobId = uuidv4();
+    pendingJobs.set(jobId, { resolve, reject, timeout: setTimeout(() => {
+      pendingJobs.delete(jobId);
+      reject(new Error('Worker timeout'));
+    }, 30000) });
+    
+    worker.ws.send(JSON.stringify({
+      type: 'translate',
+      jobId,
+      ...job
+    }));
+    worker.jobsActive++;
+  });
+}
+
+// Admin dashboard routes
+app.get('/admin', adminAuth, (req, res) => {
+  res.sendFile(path.join(__dirname, '../../public/admin.html'));
+});
+
+app.get('/api/admin/metrics', adminAuth, (req, res) => {
+  const workers = [];
+  for (const [id, w] of metrics.workers) {
+    workers.push({
+      id,
+      cpu: w.cpu,
+      ram: w.ram,
+      jobsActive: w.jobsActive,
+      maxJobs: w.maxJobs,
+      lastHeartbeat: w.lastHeartbeat
+    });
+  }
+  
+  res.json({
+    workers,
+    cpuHistory: metrics.cpuHistory,
+    ramHistory: metrics.ramHistory,
+    requests: metrics.requests.slice(-200), // Last 200 requests
+    requestRate: calculateRequestRate()
+  });
+});
+
+app.get('/api/admin/logs', adminAuth, (req, res) => {
+  // Return recent logs from metrics.requests
+  const logs = metrics.requests.slice(-100).map(r => ({
+    timestamp: r.timestamp,
+    ip: r.ip,
+    duration: r.duration,
+    sourceLang: r.sourceLang,
+    targetLang: r.targetLang,
+    inputText: r.inputText,
+    outputText: r.outputText
+  }));
+  res.json({ logs });
+});
+
+function calculateRequestRate() {
+  const now = Date.now();
+  const windowMs = 120000; // 2 minutes
+  const recent = metrics.requests.filter(r => r.timestamp > now - windowMs);
+  return recent.length;
+}
+
+// Main page
+app.get('/', (req, res) => {
+  res.sendFile(path.join(__dirname, '../../public/index.html'));
+});
+
+// Wiki page
+app.get('/wiki', (req, res) => {
+  res.sendFile(path.join(__dirname, '../../public/wiki.html'));
+});
+
+// Start server
+const PORT = process.env.PORT || settings.port;
+server.listen(PORT, '0.0.0.0', () => {
+  logger.info(`Central server running on port ${PORT}`);
+  logger.info(`Admin panel: http://localhost:${PORT}/admin`);
+  logger.info(`API: http://localhost:${PORT}/translate`);
+});

docker-compose.yml

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+version: '3.8'
+
+services:
+  central:
+    build: .
+    container_name: translator-central
+    ports:
+      - "7820:7820"
+    environment:
+      - NODE_ENV=production
+      - PORT=7820
+      - ADMIN_ACCESS_CODE=${ADMIN_ACCESS_CODE}
+      - TAILSCALE_API_KEY=${TAILSCALE_API_KEY}
+    volumes:
+      - ./central/logs:/app/central/logs
+    restart: unless-stopped
+    deploy:
+      resources:
+        limits:
+          cpus: '1.5'
+          memory: 12G
+        reservations:
+          cpus: '1'
+          memory: 8G
+    healthcheck:
+      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:7820/api/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+
+  worker:
+    build: .
+    container_name: translator-worker
+    command: node worker/src/index.js
+    environment:
+      - NODE_ENV=production
+      - CENTRAL_HOST=central
+      - CENTRAL_PORT=7820
+    depends_on:
+      central:
+        condition: service_healthy
+    volumes:
+      - ./worker/logs:/app/worker/logs
+    restart: unless-stopped
+    deploy:
+      resources:
+        limits:
+          cpus: '0.5'
+          memory: 4G
+        reservations:
+          cpus: '0.25'
+          memory: 2G
+
+networks:
+  default:
+    name: translator-network

env.example

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+# Translator API - Environment Variables
+# Copy this file to .env and fill in your values
+# For HuggingFace Spaces, add these as Repository Secrets instead
+
+# Admin panel access code (REQUIRED - choose a strong password)
+ADMIN_ACCESS_CODE=your_strong_admin_code_here
+
+# Tailscale API key for worker discovery (optional)
+# Get from: https://login.tailscale.com/admin/settings/keys
+TAILSCALE_API_KEY=tskey-xxxxxxxxxxxxxxxxx
+
+# Port (default: 7820)
+PORT=7860
+
+# Node environment
+NODE_ENV=production

gitignore.txt

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.*
+!.env.example
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+.output
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp directory
+.temp
+
+# Sveltekit cache directory
+.svelte-kit/
+
+# vitepress build output
+**/.vitepress/dist
+
+# vitepress cache directory
+**/.vitepress/cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# Firebase cache directory
+.firebase/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# pnpm
+.pnpm-store
+
+# yarn v3
+.pnp.*
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+
+# Vite files
+vite.config.js.timestamp-*
+vite.config.ts.timestamp-*
+.vite/

logs/central.log

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+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-09T19:18:11.011Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-09T19:18:11.024Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-09T19:18:11.024Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-09T19:47:53.091Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-09T19:47:53.124Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-09T19:47:53.124Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-09T20:44:46.418Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-09T20:44:46.420Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-09T20:44:46.420Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-09T20:44:55.903Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-09T20:44:55.905Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-09T20:44:55.906Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-09T20:45:28.935Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-09T20:45:28.937Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-09T20:45:28.937Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T09:51:43.935Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T09:51:43.938Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T09:51:43.938Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T09:55:26.827Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T09:55:26.829Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T09:55:26.830Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T09:56:33.721Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T09:56:33.725Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T09:56:33.726Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:56:35.501Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:14.622Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:45.359Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:46.173Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:46.260Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:46.547Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:57:46.842Z"}
+{"level":"error","message":"Translation error translate is not a function","stack":"TypeError: translate is not a function\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)\n    at /workspaces/Translator-API/central/src/index.js:209:33\n    at Layer.handle [as handle_request] (/workspaces/Translator-API/node_modules/express/lib/router/layer.js:95:5)\n    at next (/workspaces/Translator-API/node_modules/express/lib/router/route.js:149:13)","timestamp":"2026-07-10T09:59:04.402Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:01:56.364Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:01:56.367Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:01:56.368Z"}
+{"level":"info","message":"Worker connected: 3af1c5f8-4c45-4d07-bb4c-c04bcbc5d78d","timestamp":"2026-07-10T10:03:27.488Z"}
+{"level":"info","message":"Worker disconnected: 3af1c5f8-4c45-4d07-bb4c-c04bcbc5d78d","timestamp":"2026-07-10T10:03:40.544Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:03:40.916Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:03:40.919Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:03:40.920Z"}
+{"level":"info","message":"Worker connected: f2ce5edb-2c63-437b-a60a-93e354750b36","timestamp":"2026-07-10T10:03:42.792Z"}
+{"level":"info","message":"Worker disconnected: f2ce5edb-2c63-437b-a60a-93e354750b36","timestamp":"2026-07-10T10:03:57.661Z"}
+{"level":"error","message":"Translation error Worker timeout","stack":"Error: Worker timeout\n    at Timeout._onTimeout (/workspaces/Translator-API/central/src/index.js:250:14)\n    at listOnTimeout (node:internal/timers:605:17)\n    at process.processTimers (node:internal/timers:541:7)","timestamp":"2026-07-10T10:04:14.525Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:05:30.334Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:05:30.336Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:05:30.336Z"}
+{"level":"info","message":"Worker connected: c9886383-d891-4972-811a-61f85c9e542b","timestamp":"2026-07-10T10:05:32.293Z"}
+{"level":"error","message":"Translation error Worker timeout","stack":"Error: Worker timeout\n    at Timeout._onTimeout (/workspaces/Translator-API/central/src/index.js:250:14)\n    at listOnTimeout (node:internal/timers:605:17)\n    at process.processTimers (node:internal/timers:541:7)","timestamp":"2026-07-10T10:06:02.809Z"}
+{"level":"error","message":"Translation error Worker timeout","stack":"Error: Worker timeout\n    at Timeout._onTimeout (/workspaces/Translator-API/central/src/index.js:250:14)\n    at listOnTimeout (node:internal/timers:605:17)\n    at process.processTimers (node:internal/timers:541:7)","timestamp":"2026-07-10T10:06:05.130Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:07:21.394Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:07:21.396Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:07:21.396Z"}
+{"level":"info","message":"Worker connected: 4d87843e-da23-40dc-8351-f8146062418a","timestamp":"2026-07-10T10:07:23.278Z"}
+{"level":"info","message":"Worker disconnected: 4d87843e-da23-40dc-8351-f8146062418a","timestamp":"2026-07-10T10:07:38.150Z"}
+{"code":400,"level":"error","message":"Translation error The language 'zh' is not supported","stack":"Error: The language 'zh' is not supported\n    at /workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:22:17\n    at Array.forEach (<anonymous>)\n    at translate (/workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:20:26)\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)","timestamp":"2026-07-10T10:07:59.933Z"}
+{"code":400,"level":"error","message":"Translation error The language 'zh' is not supported","stack":"Error: The language 'zh' is not supported\n    at /workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:22:17\n    at Array.forEach (<anonymous>)\n    at translate (/workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:20:26)\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)","timestamp":"2026-07-10T10:08:01.171Z"}
+{"code":400,"level":"error","message":"Translation error The language 'zh' is not supported","stack":"Error: The language 'zh' is not supported\n    at /workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:22:17\n    at Array.forEach (<anonymous>)\n    at translate (/workspaces/Translator-API/node_modules/@vitalets/google-translate-api/index.js:20:26)\n    at translateText (/workspaces/Translator-API/central/src/index.js:233:10)\n    at /workspaces/Translator-API/central/src/index.js:209:43\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:111:37\n    at PQueue._PQueue_tryToStartAnother (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:285:13)\n    at file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:135:93\n    at new Promise (<anonymous>)\n    at PQueue.add (file:///workspaces/Translator-API/node_modules/p-queue/dist/index.js:99:16)","timestamp":"2026-07-10T10:08:06.009Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:08:20.354Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:08:20.356Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:08:20.356Z"}
+{"level":"info","message":"Worker connected: 2e9f4bc6-cb3d-44b4-8f7f-f4f7437c3c5c","timestamp":"2026-07-10T10:08:22.266Z"}
+{"level":"error","message":"Translation error result.substring is not a function","stack":"TypeError: result.substring is not a function\n    at /workspaces/Translator-API/central/src/index.js:222:26\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-07-10T10:08:23.954Z"}
+{"level":"error","message":"Translation error result.substring is not a function","stack":"TypeError: result.substring is not a function\n    at /workspaces/Translator-API/central/src/index.js:222:26\n    at process.processTicksAndRejections (node:internal/process/task_queues:104:5)","timestamp":"2026-07-10T10:08:32.356Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:09:13.314Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:09:13.316Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:09:13.316Z"}
+{"level":"info","message":"Worker connected: c717ef9d-b2b2-4e4a-ad91-e035714d3d27","timestamp":"2026-07-10T10:09:15.265Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:10:02.173Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:10:02.175Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:10:02.175Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:10:47.151Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:10:47.154Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:10:47.154Z"}
+{"level":"info","message":"Central server running on port 7820","timestamp":"2026-07-10T10:14:18.288Z"}
+{"level":"info","message":"Admin panel: http://localhost:7820/admin","timestamp":"2026-07-10T10:14:18.291Z"}
+{"level":"info","message":"API: http://localhost:7820/translate","timestamp":"2026-07-10T10:14:18.293Z"}

logs/worker.log

@@ -0,0 +1,75 @@
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-09T20:46:32.439Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-09T20:46:32.441Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-09T20:46:32.458Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-09T20:46:32.458Z"}
+{"level":"info","message":"Reconnecting in 5000ms (attempt 1/10)","timestamp":"2026-07-09T20:46:32.458Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-09T20:46:37.462Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-09T20:46:37.464Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-09T20:46:37.464Z"}
+{"level":"info","message":"Reconnecting in 10000ms (attempt 2/10)","timestamp":"2026-07-09T20:46:37.465Z"}
+{"level":"info","message":"SIGTERM received, shutting down gracefully","timestamp":"2026-07-09T20:46:42.324Z"}
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-09T20:47:58.963Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-09T20:47:58.967Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-09T20:47:58.993Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-09T20:47:58.993Z"}
+{"level":"info","message":"Reconnecting in 5000ms (attempt 1/10)","timestamp":"2026-07-09T20:47:58.994Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-09T20:48:03.999Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-09T20:48:04.001Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-09T20:48:04.001Z"}
+{"level":"info","message":"Reconnecting in 10000ms (attempt 2/10)","timestamp":"2026-07-09T20:48:04.001Z"}
+{"level":"info","message":"SIGTERM received, shutting down gracefully","timestamp":"2026-07-09T20:48:08.827Z"}
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-10T09:49:34.496Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-10T09:49:34.497Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-10T09:49:34.513Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-10T09:49:34.513Z"}
+{"level":"info","message":"Reconnecting in 5000ms (attempt 1/10)","timestamp":"2026-07-10T09:49:34.513Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-10T09:49:39.518Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-10T09:49:39.520Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-10T09:49:39.520Z"}
+{"level":"info","message":"Reconnecting in 10000ms (attempt 2/10)","timestamp":"2026-07-10T09:49:39.520Z"}
+{"level":"info","message":"SIGTERM received, shutting down gracefully","timestamp":"2026-07-10T09:49:44.267Z"}
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-10T09:55:44.153Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-10T09:55:44.155Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-10T09:55:44.175Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-10T09:55:44.176Z"}
+{"level":"info","message":"Reconnecting in 5000ms (attempt 1/10)","timestamp":"2026-07-10T09:55:44.176Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-10T09:55:49.182Z"}
+{"code":"ECONNREFUSED","level":"error","message":"WebSocket error","stack":"AggregateError [ECONNREFUSED]: \n    at internalConnectMultiple (node:net:1142:49)\n    at afterConnectMultiple (node:net:1723:7)","timestamp":"2026-07-10T09:55:49.184Z"}
+{"level":"warn","message":"Disconnected from central server","timestamp":"2026-07-10T09:55:49.184Z"}
+{"level":"info","message":"Reconnecting in 10000ms (attempt 2/10)","timestamp":"2026-07-10T09:55:49.184Z"}
+{"level":"info","message":"SIGTERM received, shutting down gracefully","timestamp":"2026-07-10T09:55:53.963Z"}
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-10T10:03:27.455Z"}
+{"level":"info","message":"Connecting to central server at ws://localhost:7820","timestamp":"2026-07-10T10:03:27.458Z"}
+{"level":"info","message":"Connected to central server","timestamp":"2026-07-10T10:03:27.490Z"}
+{"level":"info","message":"Worker registered with ID: 3af1c5f8-4c45-4d07-bb4c-c04bcbc5d78d, max jobs: 2","timestamp":"2026-07-10T10:03:27.491Z"}
+{"level":"info","message":"SIGINT received, shutting down gracefully","timestamp":"2026-07-10T10:03:40.535Z"}
+{"level":"info","message":"Starting Translator Worker","timestamp":"2026-07-10T10:03:42.771Z"}
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+}

package.json

@@ -0,0 +1,34 @@
+{
+  "name": "translator-api",
+  "version": "1.0.0",
+  "description": "Alternative gratuite à Google Translate via API",
+  "main": "central/src/index.js",
+  "scripts": {
+    "start:central": "node central/src/index.js",
+    "start:worker": "node worker/src/index.js",
+    "dev:central": "nodemon central/src/index.js",
+    "dev:worker": "nodemon worker/src/index.js",
+    "install:all": "npm install && cd central && npm install && cd ../worker && npm install",
+    "build": "echo 'No build step required'"
+  },
+  "keywords": ["translation", "api", "google-translate", "huggingface"],
+  "author": "NathMen12",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5",
+    "express-rate-limit": "^7.1.5",
+    "ws": "^8.14.2",
+    "uuid": "^9.0.1",
+    "p-queue": "^7.4.1",
+    "dotenv": "^16.3.1",
+    "winston": "^3.11.0",
+    "@vitalets/google-translate-api": "^8.0.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.2"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  }
+}

public/admin.html

@@ -0,0 +1,320 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Admin Panel - Translator API</title>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js@4.4.1/dist/chart.umd.min.js"></script>
+    <style>
+        * { box-sizing: border-box; margin: 0; padding: 0; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f0f2f5; min-height: 100vh; }
+        .header { background: #1a1a2e; color: white; padding: 20px 30px; display: flex; justify-content: space-between; align-items: center; }
+        .header h1 { font-size: 24px; }
+        .logout-btn { background: #e94560; color: white; border: none; padding: 10px 20px; border-radius: 6px; cursor: pointer; }
+        .container { max-width: 1400px; margin: 0 auto; padding: 20px; }
+        .tabs { display: flex; gap: 10px; margin-bottom: 20px; background: white; border-radius: 8px; padding: 5px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
+        .tab { padding: 12px 24px; background: none; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 500; color: #666; transition: all 0.2s; }
+        .tab.active { background: #1a73e8; color: white; }
+        .tab:hover:not(.active) { background: #f0f0f0; }
+        .tab-content { display: none; }
+        .tab-content.active { display: block; }
+        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 20px; margin-bottom: 20px; }
+        .card { background: white; border-radius: 12px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); padding: 20px; }
+        .card h3 { margin-bottom: 15px; color: #333; font-size: 16px; }
+        .chart-container { height: 300px; position: relative; }
+        .workers-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 15px; }
+        .worker-card { background: #f8f9fa; border-radius: 8px; padding: 15px; border: 1px solid #e9ecef; }
+        .worker-card h4 { color: #1a73e8; margin-bottom: 10px; }
+        .metric { display: flex; justify-content: space-between; margin: 8px 0; font-size: 14px; }
+        .metric-label { color: #666; }
+        .metric-value { font-weight: 600; }
+        .status { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; }
+        .status.online { background: #28a745; }
+        .status.offline { background: #dc3545; }
+        .logs-table { width: 100%; border-collapse: collapse; font-size: 13px; }
+        .logs-table th, .logs-table td { padding: 10px; text-align: left; border-bottom: 1px solid #eee; }
+        .logs-table th { background: #f8f9fa; font-weight: 600; color: #333; }
+        .logs-table tr:hover { background: #f8f9fa; }
+        .logs-table .text-cell { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+        .loading { text-align: center; padding: 40px; color: #666; }
+        .auth-modal { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
+        .auth-modal.hidden { display: none; }
+        .auth-box { background: white; padding: 30px; border-radius: 12px; width: 100%; max-width: 400px; box-shadow: 0 10px 40px rgba(0,0,0,0.2); }
+        .auth-box h2 { margin-bottom: 20px; color: #333; }
+        .auth-box input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 16px; margin-bottom: 15px; }
+        .auth-box button { width: 100%; padding: 12px; background: #1a73e8; color: white; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; }
+        .auth-box button:hover { background: #1557b0; }
+        .error-msg { color: #dc3545; margin-bottom: 15px; display: none; }
+        .refresh-info { font-size: 12px; color: #999; margin-left: 10px; }
+    </style>
+</head>
+<body>
+    <div class="auth-modal" id="authModal">
+        <div class="auth-box">
+            <h2>🔐 Accès Admin</h2>
+            <div class="error-msg" id="authError"></div>
+            <input type="password" id="adminCode" placeholder="Code d'accès admin" autocomplete="off">
+            <button onclick="login()">Accéder</button>
+        </div>
+    </div>
+
+    <header class="header">
+        <h1>📊 Panel Admin - Translator API</h1>
+        <button class="logout-btn" onclick="logout()">Déconnexion</button>
+    </header>
+
+    <div class="container">
+        <div class="tabs">
+            <button class="tab active" onclick="switchTab('machines')">🖥️ Machines</button>
+            <button class="tab" onclick="switchTab('requests')">📈 Requêtes (120s)</button>
+            <button class="tab" onclick="switchTab('logs')">📋 Logs</button>
+        </div>
+
+        <div id="machines" class="tab-content active">
+            <div class="grid">
+                <div class="card">
+                    <h3>🖥️ Machine Centrale - CPU</h3>
+                    <div class="chart-container"><canvas id="cpuChart"></canvas></div>
+                </div>
+                <div class="card">
+                    <h3>💾 Machine Centrale - RAM</h3>
+                    <div class="chart-container"><canvas id="ramChart"></canvas></div>
+                </div>
+            </div>
+            <div class="card">
+                <h3>👥 Workers Connectés</h3>
+                <div class="workers-list" id="workersList">
+                    <div class="loading">Chargement...</div>
+                </div>
+            </div>
+        </div>
+
+        <div id="requests" class="tab-content">
+            <div class="grid">
+                <div class="card">
+                    <h3>📊 Requêtes par minute (120s)</h3>
+                    <div class="chart-container"><canvas id="requestsChart"></canvas></div>
+                </div>
+                <div class="card">
+                    <h3>📈 Statistiques</h3>
+                    <div id="requestStats" style="padding: 10px;">Chargement...</div>
+                </div>
+            </div>
+        </div>
+
+        <div id="logs" class="tab-content">
+            <div class="card">
+                <h3>📋 Derniers logs de traduction</h3>
+                <table class="logs-table">
+                    <thead>
+                        <tr>
+                            <th>Heure</th>
+                            <th>IP</th>
+                            <th>Durée (ms)</th>
+                            <th>Langues</th>
+                            <th>Entrée</th>
+                            <th>Sortie</th>
+                        </tr>
+                    </thead>
+                    <tbody id="logsBody">
+                        <tr><td colspan="6" class="loading">Chargement...</td></tr>
+                    </tbody>
+                </table>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        let adminCode = '';
+        let charts = {};
+        let refreshInterval;
+
+        // Check auth on load
+        window.onload = () => {
+            const savedCode = sessionStorage.getItem('adminCode');
+            if (savedCode) {
+                adminCode = savedCode;
+                document.getElementById('authModal').classList.add('hidden');
+                initDashboard();
+            }
+        };
+
+        function login() {
+            const code = document.getElementById('adminCode').value;
+            if (!code) return;
+            
+            fetch('/api/admin/metrics', {
+                headers: { 'x-admin-code': code }
+            })
+            .then(res => {
+                if (res.ok) {
+                    adminCode = code;
+                    sessionStorage.setItem('adminCode', code);
+                    document.getElementById('authModal').classList.add('hidden');
+                    initDashboard();
+                } else {
+                    document.getElementById('authError').textContent = 'Code invalide';
+                    document.getElementById('authError').style.display = 'block';
+                }
+            })
+            .catch(() => {
+                document.getElementById('authError').textContent = 'Erreur de connexion';
+                document.getElementById('authError').style.display = 'block';
+            });
+        }
+
+        function logout() {
+            adminCode = '';
+            sessionStorage.removeItem('adminCode');
+            document.getElementById('authModal').classList.remove('hidden');
+            if (refreshInterval) clearInterval(refreshInterval);
+        }
+
+        function apiCall(endpoint) {
+            return fetch(endpoint, {
+                headers: { 'x-admin-code': adminCode }
+            }).then(res => res.json());
+        }
+
+        function initDashboard() {
+            createCharts();
+            loadData();
+            refreshInterval = setInterval(loadData, 5000);
+        }
+
+        function createCharts() {
+            const commonOptions = {
+                responsive: true,
+                maintainAspectRatio: false,
+                animation: { duration: 300 },
+                scales: {
+                    x: { type: 'time', time: { unit: 'second', displayFormats: { second: 'HH:mm:ss' } }, title: { display: true, text: 'Temps' } },
+                    y: { beginAtZero: true, title: { display: true } }
+                },
+                plugins: { legend: { display: false } }
+            };
+
+            charts.cpu = new Chart(document.getElementById('cpuChart'), {
+                type: 'line',
+                data: { datasets: [{ label: 'CPU %', data: [], borderColor: '#1a73e8', backgroundColor: 'rgba(26,115,232,0.1)', fill: true, tension: 0.3 }] },
+                options: { ...commonOptions, scales: { ...commonOptions.scales, y: { ...commonOptions.scales.y, max: 100, title: { display: true, text: '% CPU' } } } }
+            });
+
+            charts.ram = new Chart(document.getElementById('ramChart'), {
+                type: 'line',
+                data: { datasets: [{ label: 'RAM Used (GB)', data: [], borderColor: '#34a853', backgroundColor: 'rgba(52,168,83,0.1)', fill: true, tension: 0.3 }] },
+                options: { ...commonOptions, scales: { ...commonOptions.scales, y: { ...commonOptions.scales.y, title: { display: true, text: 'GB' } } } }
+            });
+
+            charts.requests = new Chart(document.getElementById('requestsChart'), {
+                type: 'bar',
+                data: { labels: [], datasets: [{ label: 'Req/min', data: [], backgroundColor: '#ea4335' }] },
+                options: { 
+                    ...commonOptions, 
+                    scales: { 
+                        x: { type: 'time', time: { unit: 'second', displayFormats: { second: 'HH:mm:ss' } }, title: { display: true, text: 'Temps' } },
+                        y: { beginAtZero: true, title: { display: true, text: 'Requêtes/min' } }
+                    }
+                }
+            });
+        }
+
+        async function loadData() {
+            try {
+                const data = await apiCall('/api/admin/metrics');
+                updateMachinesTab(data);
+                updateRequestsTab(data);
+                updateLogsTab(data);
+            } catch (err) {
+                console.error('Failed to load metrics', err);
+            }
+        }
+
+        function updateMachinesTab(data) {
+            // Update CPU chart
+            const cpuData = data.cpuHistory.map(m => ({ x: new Date(m.timestamp), y: (m.cpu / 1000000).toFixed(1) })).slice(-60);
+            charts.cpu.data.datasets[0].data = cpuData;
+            charts.cpu.update('none');
+
+            // Update RAM chart
+            const ramData = data.ramHistory.map(m => ({ x: new Date(m.timestamp), y: (m.used / 1024 / 1024 / 1024).toFixed(2) })).slice(-60);
+            charts.ram.data.datasets[0].data = ramData;
+            charts.ram.update('none');
+
+            // Update workers list
+            const workersList = document.getElementById('workersList');
+            if (data.workers.length === 0) {
+                workersList.innerHTML = '<div class="loading">Aucun worker connecté</div>';
+            } else {
+                workersList.innerHTML = data.workers.map(w => `
+                    <div class="worker-card">
+                        <h4><span class="status ${Date.now() - w.lastHeartbeat < 10000 ? 'online' : 'offline'}"></span> Worker ${w.id.substring(0,8)}</h4>
+                        <div class="metric"><span class="metric-label">CPU</span><span class="metric-value">${w.cpu.toFixed(1)}%</span></div>
+                        <div class="metric"><span class="metric-label">RAM</span><span class="metric-value">${(w.ram / 1024 / 1024).toFixed(1)} MB</span></div>
+                        <div class="metric"><span class="metric-label">Jobs actifs</span><span class="metric-value">${w.jobsActive} / ${w.maxJobs}</span></div>
+                        <div class="metric"><span class="metric-label">Dernier heartbeat</span><span class="metric-value">${new Date(w.lastHeartbeat).toLocaleTimeString()}</span></div>
+                    </div>
+                `).join('');
+            }
+        }
+
+        function updateRequestsTab(data) {
+            // Group requests by 10-second intervals
+            const now = Date.now();
+            const intervals = [];
+            for (let i = 11; i >= 0; i--) {
+                const start = now - (i + 1) * 10000;
+                const end = now - i * 10000;
+                const count = data.requests.filter(r => r.timestamp >= start && r.timestamp < end).length * 6; // project to per minute
+                intervals.push({ time: new Date(start), count });
+            }
+
+            charts.requests.data.labels = intervals.map(i => i.time);
+            charts.requests.data.datasets[0].data = intervals.map(i => i.count);
+            charts.requests.update('none');
+
+            // Stats
+            const totalLast2min = data.requests.filter(r => r.timestamp > now - 120000).length;
+            const avgDuration = data.requests.length ? (data.requests.reduce((a, b) => a + b.duration, 0) / data.requests.length).toFixed(0) : 0;
+            
+            document.getElementById('requestStats').innerHTML = `
+                <div class="metric"><span class="metric-label">Total requêtes (2 min)</span><span class="metric-value">${totalLast2min}</span></div>
+                <div class="metric"><span class="metric-label">Durée moyenne</span><span class="metric-value">${avgDuration} ms</span></div>
+                <div class="metric"><span class="metric-label">Workers actifs</span><span class="metric-value">${data.workers.filter(w => w.jobsActive > 0).length}</span></div>
+                <div class="metric"><span class="metric-label">Taux actuel</span><span class="metric-value">${data.requestRate} req/min</span></div>
+            `;
+        }
+
+        function updateLogsTab(data) {
+            const logs = data.requests.slice(-50).reverse();
+            const tbody = document.getElementById('logsBody');
+            if (logs.length === 0) {
+                tbody.innerHTML = '<tr><td colspan="6" class="loading">Aucun log</td></tr>';
+                return;
+            }
+            tbody.innerHTML = logs.map(log => `
+                <tr>
+                    <td>${new Date(log.timestamp).toLocaleTimeString()}</td>
+                    <td>${log.ip}</td>
+                    <td>${log.duration} ms</td>
+                    <td>${log.sourceLang} → ${log.targetLang}</td>
+                    <td class="text-cell" title="${log.inputText}">${log.inputText}</td>
+                    <td class="text-cell" title="${log.outputText}">${log.outputText}</td>
+                </tr>
+            `).join('');
+        }
+
+        function switchTab(tabId) {
+            document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+            document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
+            document.querySelector(`[onclick="switchTab('${tabId}')"]`).classList.add('active');
+            document.getElementById(tabId).classList.add('active');
+        }
+
+        // Allow Enter key in auth input
+        document.getElementById('adminCode')?.addEventListener('keypress', (e) => {
+            if (e.key === 'Enter') login();
+        });
+    </script>
+</body>
+</html>

public/index.html

@@ -0,0 +1,148 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Translator API - Alternative gratuite à Google Translate</title>
+    <style>
+        * { box-sizing: border-box; margin: 0; padding: 0; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; min-height: 100vh; padding: 20px; }
+        .container { max-width: 800px; margin: 0 auto; background: white; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); padding: 30px; }
+        h1 { color: #1a73e8; margin-bottom: 10px; }
+        .subtitle { color: #666; margin-bottom: 30px; }
+        .form-group { margin-bottom: 20px; }
+        label { display: block; margin-bottom: 8px; font-weight: 500; color: #333; }
+        textarea { width: 100%; min-height: 150px; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 16px; resize: vertical; }
+        .row { display: flex; gap: 20px; margin-bottom: 20px; }
+        .row .form-group { flex: 1; }
+        select { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 16px; background: white; }
+        button { background: #1a73e8; color: white; border: none; padding: 14px 28px; border-radius: 8px; font-size: 16px; cursor: pointer; transition: background 0.2s; width: 100%; }
+        button:hover { background: #1557b0; }
+        button:disabled { background: #ccc; cursor: not-allowed; }
+        .result { margin-top: 20px; padding: 15px; background: #f8f9fa; border-radius: 8px; display: none; }
+        .result h3 { margin-bottom: 10px; color: #333; }
+        .result pre { white-space: pre-wrap; word-wrap: break-word; font-family: inherit; }
+        .error { color: #dc3545; margin-top: 10px; display: none; }
+        .links { margin-top: 30px; padding-top: 20px; border-top: 1px solid #eee; }
+        .links a { color: #1a73e8; text-decoration: none; margin-right: 20px; }
+        .links a:hover { text-decoration: underline; }
+        .stats { display: flex; gap: 20px; margin-bottom: 20px; font-size: 14px; color: #666; }
+        .stat { background: #f8f9fa; padding: 8px 16px; border-radius: 20px; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <h1>🌐 Translator API</h1>
+        <p class="subtitle">Alternative gratuite à Google Translate via API REST</p>
+        
+        <div class="stats">
+            <div class="stat">⚡ 30 req/min/IP</div>
+            <div class="stat">🔓 Pas de clé API</div>
+            <div class="stat">📚 Wiki intégré</div>
+        </div>
+
+        <form id="translateForm">
+            <div class="form-group">
+                <label for="sourceText">Texte à traduire</label>
+                <textarea id="sourceText" placeholder="Entrez votre texte ici..." required></textarea>
+            </div>
+            
+            <div class="row">
+                <div class="form-group">
+                    <label for="sourceLang">De</label>
+                    <select id="sourceLang">
+                        <option value="auto">🔍 Détection auto</option>
+                        <option value="fr">🇫🇷 Français</option>
+                        <option value="en">🇺🇸 Anglais</option>
+                        <option value="es">🇪🇸 Espagnol</option>
+                        <option value="de">🇩🇪 Allemand</option>
+                        <option value="it">🇮🇹 Italien</option>
+                        <option value="pt">🇵🇹 Portugais</option>
+                        <option value="ru">🇷🇺 Russe</option>
+                        <option value="zh">🇨🇳 Chinois</option>
+                        <option value="ja">🇯🇵 Japonais</option>
+                        <option value="ko">🇰🇷 Coréen</option>
+                        <option value="ar">🇸🇦 Arabe</option>
+                    </select>
+                </div>
+                <div class="form-group">
+                    <label for="targetLang">Vers</label>
+                    <select id="targetLang">
+                        <option value="fr">🇫🇷 Français</option>
+                        <option value="en">🇺🇸 Anglais</option>
+                        <option value="es">🇪🇸 Espagnol</option>
+                        <option value="de">🇩🇪 Allemand</option>
+                        <option value="it">🇮🇹 Italien</option>
+                        <option value="pt">🇵🇹 Portugais</option>
+                        <option value="ru">🇷🇺 Russe</option>
+                        <option value="zh">🇨🇳 Chinois</option>
+                        <option value="ja">🇯🇵 Japonais</option>
+                        <option value="ko">🇰🇷 Coréen</option>
+                        <option value="ar">🇸🇦 Arabe</option>
+                    </select>
+                </div>
+            </div>
+            
+            <button type="submit" id="translateBtn">Traduire</button>
+            <div class="error" id="errorMsg"></div>
+        </form>
+
+        <div class="result" id="result">
+            <h3>Résultat</h3>
+            <pre id="translatedText"></pre>
+            <small id="metaInfo"></small>
+        </div>
+
+        <div class="links">
+            <a href="/wiki">📖 Wiki / Documentation</a>
+            <a href="/admin">🔐 Panel Admin</a>
+            <a href="https://github.com/NathMen12/Translator-API" target="_blank">💻 GitHub</a>
+        </div>
+    </div>
+
+    <script>
+        document.getElementById('translateForm').addEventListener('submit', async (e) => {
+            e.preventDefault();
+            
+            const btn = document.getElementById('translateBtn');
+            const errorMsg = document.getElementById('errorMsg');
+            const result = document.getElementById('result');
+            const translatedText = document.getElementById('translatedText');
+            const metaInfo = document.getElementById('metaInfo');
+            
+            btn.disabled = true;
+            btn.textContent = 'Traduction en cours...';
+            errorMsg.style.display = 'none';
+            result.style.display = 'none';
+            
+            try {
+                const response = await fetch('/translate', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({
+                        text: document.getElementById('sourceText').value,
+                        source: document.getElementById('sourceLang').value,
+                        target: document.getElementById('targetLang').value
+                    })
+                });
+                
+                const data = await response.json();
+                
+                if (!response.ok) {
+                    throw new Error(data.error || 'Erreur de traduction');
+                }
+                
+                translatedText.textContent = data.translatedText;
+                metaInfo.textContent = `Temps: ${data.duration}ms • De: ${data.source} → Vers: ${data.target}`;
+                result.style.display = 'block';
+            } catch (err) {
+                errorMsg.textContent = err.message;
+                errorMsg.style.display = 'block';
+            } finally {
+                btn.disabled = false;
+                btn.textContent = 'Traduire';
+            }
+        });
+    </script>
+</body>
+</html>

public/wiki.html

@@ -0,0 +1,732 @@
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Wiki - Translator API</title>
+    <style>
+        * { box-sizing: border-box; margin: 0; padding: 0; }
+        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; line-height: 1.6; color: #333; background: #f8f9fa; }
+        .container { max-width: 900px; margin: 0 auto; padding: 40px 20px; }
+        header { text-align: center; margin-bottom: 40px; padding-bottom: 20px; border-bottom: 1px solid #e9ecef; }
+        h1 { font-size: 36px; color: #1a73e8; margin-bottom: 10px; }
+        .subtitle { color: #666; font-size: 18px; }
+        .nav { display: flex; gap: 10px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
+        .nav-btn { padding: 10px 20px; background: white; border: 1px solid #ddd; border-radius: 6px; cursor: pointer; transition: all 0.2s; }
+        .nav-btn:hover, .nav-btn.active { background: #1a73e8; color: white; border-color: #1a73e8; }
+        .section { background: white; border-radius: 12px; padding: 30px; margin-bottom: 30px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); display: none; }
+        .section.active { display: block; animation: fadeIn 0.3s; }
+        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
+        h2 { color: #1a1a2e; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid #1a73e8; }
+        h3 { color: #333; margin: 25px 0 15px; }
+        p { margin-bottom: 15px; }
+        code { background: #f1f3f4; padding: 2px 6px; border-radius: 4px; font-family: 'Monaco', 'Menlo', monospace; font-size: 0.9em; }
+        pre { background: #1e1e1e; color: #d4d4d4; padding: 20px; border-radius: 8px; overflow-x: auto; margin: 15px 0; }
+        pre code { background: none; padding: 0; color: inherit; }
+        .token.comment { color: #6a9955; }
+        .token.keyword { color: #c586c0; }
+        .token.string { color: #ce9178; }
+        .token.function { color: #dcdcaa; }
+        .token.property { color: #9cdcfe; }
+        .endpoint { background: #e8f0fe; border-left: 4px solid #1a73e8; padding: 15px; margin: 15px 0; border-radius: 0 8px 8px 0; }
+        .endpoint.method { display: inline-block; background: #1a73e8; color: white; padding: 4px 8px; border-radius: 4px; font-size: 12px; font-weight: bold; margin-right: 10px; }
+        .endpoint.path { font-family: monospace; font-weight: bold; }
+        table { width: 100%; border-collapse: collapse; margin: 15px 0; }
+        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #e9ecef; }
+        th { background: #f8f9fa; font-weight: 600; }
+        .badge { display: inline-block; padding: 4px 8px; border-radius: 12px; font-size: 12px; font-weight: bold; }
+        .badge-success { background: #d4edda; color: #155724; }
+        .badge-info { background: #d1ecf1; color: #0c5460; }
+        .badge-warning { background: #fff3cd; color: #856404; }
+        .lang-tabs { display: flex; gap: 8px; margin-bottom: 15px; flex-wrap: wrap; }
+        .lang-tab { padding: 8px 16px; background: #f1f3f4; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; }
+        .lang-tab.active { background: #1a73e8; color: white; }
+        .code-block { display: none; }
+        .code-block.active { display: block; }
+        .back-link { display: inline-block; margin-bottom: 30px; color: #1a73e8; text-decoration: none; }
+        .back-link:hover { text-decoration: underline; }
+        .info-box { background: #e8f0fe; border-radius: 8px; padding: 20px; margin: 20px 0; }
+        .info-box h4 { color: #1a73e8; margin-bottom: 10px; }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <a href="/" class="back-link">← Retour à l'accueil</a>
+        
+        <header>
+            <h1>📖 Wiki - Translator API</h1>
+            <p class="subtitle">Documentation complète pour intégrer l'API de traduction</p>
+        </header>
+
+        <nav class="nav">
+            <button class="nav-btn active" onclick="showSection('intro')">🚀 Démarrage</button>
+            <button class="nav-btn" onclick="showSection('endpoints')">🔌 Endpoints</button>
+            <button class="nav-btn" onclick="showSection('javascript')">📜 JavaScript</button>
+            <button class="nav-btn" onclick="showSection('python')">🐍 Python</button>
+            <button class="nav-btn" onclick="showSection('java')">☕ Java</button>
+            <button class="nav-btn" onclick="showSection('curl')">🌐 cURL</button>
+            <button class="nav-btn" onclick="showSection('limits')">⚙️ Limites</button>
+        </nav>
+
+        <!-- Intro Section -->
+        <section id="intro" class="section active">
+            <h2>🚀 Démarrage rapide</h2>
+            <p>Translator API est une alternative gratuite à Google Translate, accessible via une API REST simple. Pas de clé API requise, pas d'inscription nécessaire.</p>
+            
+            <div class="info-box">
+                <h4>✨ Fonctionnalités</h4>
+                <ul style="margin-left: 20px;">
+                    <li>🆓 Gratuit et sans limite de compte</li>
+                    <li>⚡ 30 requêtes/minute par IP</li>
+                    <li>🌍 100+ langues supportées</li>
+                    <li>🔒 Détection automatique de langue</li>
+                    <li>📊 Dashboard admin avec métriques temps réel</li>
+                    <li>⚖️ Architecture distribuée (Central + Workers)</li>
+                </ul>
+            </div>
+
+            <h3>URL de base</h3>
+            <p>Remplacez <code>VOTRE_HOTE</code> par l'adresse de votre instance :</p>
+            <pre><code>https://VOTRE_HOTE:7820</code></pre>
+
+            <h3>Test rapide</h3>
+            <pre><code class="language-bash">curl -X POST https://VOTRE_HOTE:7820/translate \
+  -H "Content-Type: application/json" \
+  -d '{"text": "Bonjour le monde", "source": "fr", "target": "en"}'</code></pre>
+
+            <p><strong>Réponse :</strong></p>
+            <pre><code>{
+  "translatedText": "Hello world",
+  "source": "fr",
+  "target": "en",
+  "duration": 245
+}</code></pre>
+        </section>
+
+        <!-- Endpoints Section -->
+        <section id="endpoints" class="section">
+            <h2>🔌 Endpoints API</h2>
+
+            <div class="endpoint">
+                <span class="endpoint.method">POST</span>
+                <span class="endpoint.path">/translate</span>
+                <p>Traduit un texte d'une langue vers une autre.</p>
+                
+                <h4>Paramètres (JSON body)</h4>
+                <table>
+                    <thead><tr><th>Paramètre</th><th>Type</th><th>Requis</th><th>Description</th></tr></thead>
+                    <tbody>
+                        <tr><td>text</td><td>string</td><td>Oui</td><td>Texte à traduire (max 5000 caractères)</td></tr>
+                        <tr><td>source</td><td>string</td><td>Non</td><td>Langue source (code ISO 639-1). Défaut: "auto" (détection auto)</td></tr>
+                        <tr><td>target</td><td>string</td><td>Non</td><td>Langue cible (code ISO 639-1). Défaut: "fr"</td></tr>
+                    </tbody>
+                </table>
+
+                <h4>Réponse</h4>
+                <table>
+                    <thead><tr><th>Champ</th><th>Type</th><th>Description</th></tr></thead>
+                    <tbody>
+                        <tr><td>translatedText</td><td>string</td><td>Texte traduit</td></tr>
+                        <tr><td>source</td><td>string</td><td>Langue source détectée/utilisée</td></tr>
+                        <tr><td>target</td><td>string</td><td>Langue cible</td></tr>
+                        <tr><td>duration</td><td>number</td><td>Temps de traitement en ms</td></tr>
+                    </tbody>
+                </table>
+            </div>
+
+            <div class="endpoint">
+                <span class="endpoint.method">GET</span>
+                <span class="endpoint.path">/api/health</span>
+                <p>Vérifie l'état du service.</p>
+            </div>
+
+            <div class="endpoint">
+                <span class="endpoint.method">GET</span>
+                <span class="endpoint.path">/admin</span>
+                <p>Panel d'administration (nécessite code d'accès via header <code>x-admin-code</code> ou paramètre <code>admin_code</code>).</p>
+            </div>
+
+            <h3>Codes de langue supportés (exemples)</h3>
+            <table>
+                <thead><tr><th>Code</th><th>Langue</th><th>Code</th><th>Langue</th></tr></thead>
+                <tbody>
+                    <tr><td>fr</td><td>Français</td><td>en</td><td>Anglais</td></tr>
+                    <tr><td>es</td><td>Espagnol</td><td>de</td><td>Allemand</td></tr>
+                    <tr><td>it</td><td>Italien</td><td>pt</td><td>Portugais</td></tr>
+                    <tr><td>ru</td><td>Russe</td><td>zh</td><td>Chinois</td></tr>
+                    <tr><td>ja</td><td>Japonais</td><td>ko</td><td>Coréen</td></tr>
+                    <tr><td>ar</td><td>Arabe</td><td>auto</td><td>Détection auto</td></tr>
+                </tbody>
+            </table>
+        </section>
+
+        <!-- JavaScript Section -->
+        <section id="javascript" class="section">
+            <h2>📜 JavaScript / TypeScript</h2>
+
+            <h3>Fetch API (Navigateur / Node 18+)</h3>
+            <div class="lang-tabs">
+                <button class="lang-tab active" onclick="showCode('js-fetch')">Fetch</button>
+                <button class="lang-tab" onclick="showCode('js-axios')">Axios</button>
+                <button class="lang-tab" onclick="showCode('js-node')">Node.js (natif)</button>
+            </div>
+
+            <pre class="code-block active" id="js-fetch"><code class="language-javascript">async function translate(text, source = 'auto', target = 'fr') {
+  const response = await fetch('https://VOTRE_HOTE:7820/translate', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ text, source, target })
+  });
+  
+  if (!response.ok) {
+    const error = await response.json();
+    throw new Error(error.error || 'Erreur de traduction');
+  }
+  
+  return response.json();
+}
+
+// Utilisation
+translate('Bonjour le monde', 'fr', 'en')
+  .then(result => console.log(result.translatedText)) // "Hello world"
+  .catch(err => console.error(err));</code></pre>
+
+            <pre class="code-block" id="js-axios"><code class="language-javascript">const axios = require('axios');
+
+async function translate(text, source = 'auto', target = 'fr') {
+  try {
+    const { data } = await axios.post('https://VOTRE_HOTE:7820/translate', {
+      text, source, target
+    });
+    return data;
+  } catch (error) {
+    throw new Error(error.response?.data?.error || error.message);
+  }
+}
+
+// Utilisation
+translate('Hello world', 'en', 'fr')
+  .then(r => console.log(r.translatedText)); // "Bonjour le monde"</code></pre>
+
+            <pre class="code-block" id="js-node"><code class="language-javascript">const https = require('https');
+
+function translate(text, source = 'auto', target = 'fr') {
+  return new Promise((resolve, reject) => {
+    const postData = JSON.stringify({ text, source, target });
+    
+    const options = {
+      hostname: 'VOTRE_HOTE',
+      port: 7820,
+      path: '/translate',
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Content-Length': Buffer.byteLength(postData)
+      }
+    };
+    
+    const req = https.request(options, (res) => {
+      let data = '';
+      res.on('data', chunk => data += chunk);
+      res.on('end', () => {
+        try {
+          const result = JSON.parse(data);
+          if (res.statusCode >= 400) reject(new Error(result.error));
+          else resolve(result);
+        } catch (e) {
+          reject(new Error('Réponse invalide'));
+        }
+      });
+    });
+    
+    req.on('error', reject);
+    req.write(postData);
+    req.end();
+  });
+}</code></pre>
+
+            <h3>Classe réutilisable (ES6)</h3>
+            <pre><code class="language-javascript">class TranslatorAPI {
+  constructor(baseUrl = 'https://VOTRE_HOTE:7820') {
+    this.baseUrl = baseUrl;
+  }
+  
+  async translate(text, source = 'auto', target = 'fr') {
+    const res = await fetch(`${this.baseUrl}/translate`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ text, source, target })
+    });
+    
+    if (!res.ok) {
+      const err = await res.json();
+      throw new Error(err.error);
+    }
+    
+    return res.json();
+  }
+  
+  async detectLanguage(text) {
+    const result = await this.translate(text, 'auto', 'en');
+    return result.source;
+  }
+  
+  async translateBatch(texts, source = 'auto', target = 'fr') {
+    // Paralléliser avec Promise.all (respecter rate limit 30/min)
+    const results = await Promise.all(
+      texts.map(t => this.translate(t, source, target))
+    );
+    return results.map(r => r.translatedText);
+  }
+}
+
+// Usage
+const translator = new TranslatorAPI();
+const result = await translator.translate('Bonjour', 'fr', 'es');
+console.log(result.translatedText); // "Hola"</code></pre>
+        </section>
+
+        <!-- Python Section -->
+        <section id="python" class="section">
+            <h2>🐍 Python</h2>
+
+            <div class="lang-tabs">
+                <button class="lang-tab active" onclick="showCode('py-requests')">Requests</button>
+                <button class="lang-tab" onclick="showCode('py-httpx')">HTTPX (async)</button>
+                <button class="lang-tab" onclick="showCode('py-stdlib')">stdlib (urllib)</button>
+            </div>
+
+            <pre class="code-block active" id="py-requests"><code class="language-python">import requests
+
+def translate(text, source='auto', target='fr', base_url='https://VOTRE_HOTE:7820'):
+    \"\"\"Traduit un texte via l'API Translator.\"\"\"
+    response = requests.post(
+        f'{base_url}/translate',
+        json={'text': text, 'source': source, 'target': target},
+        timeout=30
+    )
+    response.raise_for_status()
+    return response.json()
+
+# Utilisation simple
+result = translate('Bonjour le monde', 'fr', 'en')
+print(result['translatedText'])  # "Hello world"
+
+# Avec gestion d'erreurs
+try:
+    result = translate('Hola', 'es', 'fr')
+    print(f"Traduit: {result['translatedText']} (durée: {result['duration']}ms)")
+except requests.HTTPError as e:
+    if e.response.status_code == 429:
+        print("Rate limit dépassé (30 req/min)")
+    else:
+        print(f"Erreur: {e.response.json().get('error')}")</code></pre>
+
+            <pre class="code-block" id="py-httpx"><code class="language-python">import httpx
+import asyncio
+
+class TranslatorClient:
+    def __init__(self, base_url='https://VOTRE_HOTE:7820'):
+        self.base_url = base_url
+        self.client = httpx.AsyncClient(timeout=30.0)
+    
+    async def translate(self, text, source='auto', target='fr'):
+        response = await self.client.post(
+            f'{self.base_url}/translate',
+            json={'text': text, 'source': source, 'target': target}
+        )
+        response.raise_for_status()
+        return response.json()
+    
+    async def translate_batch(self, texts, source='auto', target='fr', concurrency=5):
+        \"\"\"Traduit plusieurs textes avec limite de concurrence.\"\"\"
+        semaphore = asyncio.Semaphore(concurrency)
+        
+        async def limited_translate(text):
+            async with semaphore:
+                return await self.translate(text, source, target)
+        
+        tasks = [limited_translate(t) for t in texts]
+        results = await asyncio.gather(*tasks, return_exceptions=True)
+        return [r['translatedText'] if not isinstance(r, Exception) else str(r) for r in results]
+    
+    async def close(self):
+        await self.client.aclose()
+
+# Usage
+async def main():
+    client = TranslatorClient()
+    try:
+        result = await client.translate('Hello world', 'en', 'fr')
+        print(result['translatedText'])
+        
+        # Batch
+        texts = ['Hello', 'World', 'Python']
+        translations = await client.translate_batch(texts, 'en', 'fr')
+        print(translations)
+    finally:
+        await client.close()
+
+asyncio.run(main())</code></pre>
+
+            <pre class="code-block" id="py-stdlib"><code class="language-python">import urllib.request
+import json
+
+def translate(text, source='auto', target='fr', base_url='https://VOTRE_HOTE:7820'):
+    data = json.dumps({'text': text, 'source': source, 'target': target}).encode('utf-8')
+    
+    req = urllib.request.Request(
+        f'{base_url}/translate',
+        data=data,
+        headers={'Content-Type': 'application/json'},
+        method='POST'
+    )
+    
+    with urllib.request.urlopen(req, timeout=30) as response:
+        result = json.loads(response.read().decode('utf-8'))
+        if response.status >= 400:
+            raise Exception(result.get('error', 'Erreur inconnue'))
+        return result
+
+# Utilisation
+try:
+    result = translate('Bonjour', 'fr', 'de')
+    print(result['translatedText'])  # "Hallo"
+except Exception as e:
+    print(f"Erreur: {e}")</code></pre>
+        </section>
+
+        <!-- Java Section -->
+        <section id="java" class="section">
+            <h2>☕ Java</h2>
+
+            <div class="lang-tabs">
+                <button class="lang-tab active" onclick="showCode('java-httpclient')">HttpClient (Java 11+)</button>
+                <button class="lang-tab" onclick="showCode('java-okhttp')">OkHttp</button>
+                <button class="lang-tab" onclick="showCode('java-spring')">Spring RestTemplate</button>
+            </div>
+
+            <pre class="code-block active" id="java-httpclient"><code class="language-java">import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+
+public class TranslatorClient {
+    private final HttpClient client;
+    private final String baseUrl;
+    private final Gson gson = new Gson();
+    
+    public TranslatorClient(String baseUrl) {
+        this.baseUrl = baseUrl;
+        this.client = HttpClient.newBuilder()
+            .connectTimeout(Duration.ofSeconds(30))
+            .build();
+    }
+    
+    public TranslationResult translate(String text, String source, String target) 
+            throws Exception {
+        JsonObject requestBody = new JsonObject();
+        requestBody.addProperty("text", text);
+        requestBody.addProperty("source", source);
+        requestBody.addProperty("target", target);
+        
+        HttpRequest request = HttpRequest.newBuilder()
+            .uri(URI.create(baseUrl + "/translate"))
+            .header("Content-Type", "application/json")
+            .POST(HttpRequest.BodyPublishers.ofString(gson.toJson(requestBody)))
+            .build();
+        
+        HttpResponse<String> response = client.send(request, 
+            HttpResponse.BodyHandlers.ofString());
+        
+        if (response.statusCode() >= 400) {
+            JsonObject error = gson.fromJson(response.body(), JsonObject.class);
+            throw new RuntimeException(error.get("error").getAsString());
+        }
+        
+        return gson.fromJson(response.body(), TranslationResult.class);
+    }
+    
+    public static class TranslationResult {
+        public String translatedText;
+        public String source;
+        public String target;
+        public long duration;
+    }
+    
+    // Usage
+    public static void main(String[] args) throws Exception {
+        TranslatorClient translator = new TranslatorClient("https://VOTRE_HOTE:7820");
+        TranslationResult result = translator.translate("Bonjour", "fr", "en");
+        System.out.println(result.translatedText); // "Hello"
+    }
+}</code></pre>
+
+            <pre class="code-block" id="java-okhttp"><code class="language-java">// Dependencies: OkHttp + Gson
+// implementation "com.squareup.okhttp3:okhttp:4.12.0"
+// implementation "com.google.code.gson:gson:2.10.1"
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import okhttp3.*;
+
+public class TranslatorClient {
+    private final OkHttpClient client;
+    private final String baseUrl;
+    private final Gson gson = new Gson();
+    
+    public TranslatorClient(String baseUrl) {
+        this.baseUrl = baseUrl;
+        this.client = new OkHttpClient.Builder()
+            .connectTimeout(30, java.util.concurrent.TimeUnit.SECONDS)
+            .readTimeout(30, java.util.concurrent.TimeUnit.SECONDS)
+            .build();
+    }
+    
+    public TranslationResult translate(String text, String source, String target) 
+            throws Exception {
+        JsonObject json = new JsonObject();
+        json.addProperty("text", text);
+        json.addProperty("source", source);
+        json.addProperty("target", target);
+        
+        RequestBody body = RequestBody.create(
+            gson.toJson(json), 
+            MediaType.get("application/json; charset=utf-8")
+        );
+        
+        Request request = new Request.Builder()
+            .url(baseUrl + "/translate")
+            .post(body)
+            .build();
+        
+        try (Response response = client.newCall(request).execute()) {
+            String responseBody = response.body().string();
+            
+            if (!response.isSuccessful()) {
+                JsonObject error = gson.fromJson(responseBody, JsonObject.class);
+                throw new RuntimeException(error.get("error").getAsString());
+            }
+            
+            return gson.fromJson(responseBody, TranslationResult.class);
+        }
+    }
+    
+    public static class TranslationResult {
+        public String translatedText;
+        public String source;
+        public String target;
+        public long duration;
+    }
+}</code></pre>
+
+            <pre class="code-block" id="java-spring"><code class="language-java">// Spring Boot RestTemplate
+// implementation 'org.springframework.boot:spring-boot-starter-web'
+
+import org.springframework.web.client.RestTemplate;
+import org.springframework.http.*;
+import java.util.Map;
+
+public class TranslatorClient {
+    private final RestTemplate restTemplate = new RestTemplate();
+    private final String baseUrl;
+    
+    public TranslatorClient(String baseUrl) {
+        this.baseUrl = baseUrl;
+    }
+    
+    public TranslationResult translate(String text, String source, String target) {
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+        
+        Map<String, String> body = Map.of(
+            "text", text,
+            "source", source,
+            "target", target
+        );
+        
+        HttpEntity<Map<String, String>> request = new HttpEntity<>(body, headers);
+        
+        try {
+            ResponseEntity<TranslationResult> response = restTemplate.postForEntity(
+                baseUrl + "/translate", request, TranslationResult.class);
+            
+            if (!response.getStatusCode().is2xxSuccessful()) {
+                throw new RuntimeException("Erreur HTTP: " + response.getStatusCode());
+            }
+            
+            return response.getBody();
+        } catch (Exception e) {
+            throw new RuntimeException("Erreur traduction: " + e.getMessage());
+        }
+    }
+    
+    public static class TranslationResult {
+        private String translatedText;
+        private String source;
+        private String target;
+        private long duration;
+        
+        // Getters/Setters
+        public String getTranslatedText() { return translatedText; }
+        public void setTranslatedText(String translatedText) { this.translatedText = translatedText; }
+        public String getSource() { return source; }
+        public void setSource(String source) { this.source = source; }
+        public String getTarget() { return target; }
+        public void setTarget(String target) { this.target = target; }
+        public long getDuration() { return duration; }
+        public void setDuration(long duration) { this.duration = duration; }
+    }
+}</code></pre>
+        </section>
+
+        <!-- cURL Section -->
+        <section id="curl" class="section">
+            <h2>🌐 cURL / Ligne de commande</h2>
+
+            <h3>Traduction simple</h3>
+            <pre><code class="language-bash">curl -X POST https://VOTRE_HOTE:7820/translate \
+  -H "Content-Type: application/json" \
+  -d '{"text": "Bonjour le monde", "source": "fr", "target": "en"}'</code></pre>
+
+            <h3>Avec détection automatique</h3>
+            <pre><code class="language-bash">curl -X POST https://VOTRE_HOTE:7820/translate \
+  -H "Content-Type: application/json" \
+  -d '{"text": "Hello world", "target": "fr"}'</code></pre>
+
+            <h3>Script bash réutilisable</h3>
+            <pre><code class="language-bash">#!/bin/bash
+# translate.sh - Script de traduction en ligne de commande
+
+BASE_URL="https://VOTRE_HOTE:7820"
+SOURCE="auto"
+TARGET="fr"
+
+usage() {
+    echo "Usage: $0 [-s source] [-t target] \"texte à traduire\""
+    echo "  -s  Langue source (défaut: auto)"
+    echo "  -t  Langue cible (défaut: fr)"
+    exit 1
+}
+
+while getopts "s:t:h" opt; do
+    case $opt in
+        s) SOURCE="$OPTARG" ;;
+        t) TARGET="$OPTARG" ;;
+        h) usage ;;
+        *) usage ;;
+    esac
+done
+shift $((OPTIND-1))
+
+TEXT="$*"
+if [ -z "$TEXT" ]; then
+    usage
+fi
+
+response=$(curl -s -X POST "$BASE_URL/translate" \
+  -H "Content-Type: application/json" \
+  -d "$(jq -n --arg text "$TEXT" --arg src "$SOURCE" --arg tgt "$TARGET" \
+    '{text: $text, source: $src, target: $tgt}')")
+
+# Extraire le texte traduit (nécessite jq)
+translated=$(echo "$response" | jq -r '.translatedText // .error // "Erreur"')
+echo "$translated"</code></pre>
+
+            <h3>Test de charge simple</h3>
+            <pre><code class="language-bash"># Tester le rate limit (30 req/min)
+for i in {1..35}; do
+  curl -s -X POST https://VOTRE_HOTE:7820/translate \
+    -H "Content-Type: application/json" \
+    -d "{\"text\": \"Test $i\", \"target\": \"en\"}" \
+    -w " HTTP %{http_code}\\n" \
+    -o /dev/null
+  sleep 1
+done</code></pre>
+        </section>
+
+        <!-- Limits Section -->
+        <section id="limits" class="section">
+            <h2>⚙️ Limites et bonnes pratiques</h2>
+
+            <div class="info-box">
+                <h4>📋 Limites actuelles</h4>
+                <table>
+                    <thead><tr><th>Limite</th><th>Valeur</th><th>Description</th></tr></thead>
+                    <tbody>
+                        <tr><td>Rate limit</td><td>30 req/min/IP</td><td>Bloque avec HTTP 429 si dépassé</td></tr>
+                        <tr><td>Taille max texte</td><td>5000 caractères</td><td>Erreur 400 si dépassé</td></tr>
+                        <tr><td>Timeout</td><td>30 secondes</td><td>Côté serveur et client recommandé</td></tr>
+                        <tr><td>Langues</td><td>100+</td><td>Codes ISO 639-1</td></tr>
+                    </tbody>
+                </table>
+            </div>
+
+            <h3>Gestion du rate limit (HTTP 429)</h3>
+            <pre><code class="language-javascript">async function translateWithRetry(text, source, target, retries = 3) {
+  for (let attempt = 0; attempt <= retries; attempt++) {
+    const response = await fetch('/translate', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ text, source, target })
+    });
+    
+    if (response.status === 429) {
+      const waitTime = Math.min(1000 * Math.pow(2, attempt), 30000);
+      console.log(`Rate limit, attente ${waitTime}ms...`);
+      await new Promise(r => setTimeout(r, waitTime));
+      continue;
+    }
+    
+    if (!response.ok) {
+      const err = await response.json();
+      throw new Error(err.error);
+    }
+    
+    return response.json();
+  }
+  throw new Error('Max retries exceeded');
+}</code></pre>
+
+            <h3>Bonnes pratiques</h3>
+            <ul>
+                <li><strong>Mettez en cache</strong> les traductions récurrentes côté client</li>
+                <li><strong>Regroupez</strong> les requêtes (batch) quand possible</li>
+                <li><strong>Respectez</strong> le rate limit : implémentez un backoff exponentiel</li>
+                <li><strong>Surveillez</strong> vos logs via le panel admin <code>/admin</code></li>
+                <li><strong>Utilisez</strong> la détection auto (<code>source: "auto"</code>) seulement si nécessaire</li>
+            </ul>
+
+            <h3>Codes d'erreur HTTP</h3>
+            <table>
+                <thead><tr><th>Code</th><th>Signification</th><th>Action</th></tr></thead>
+                <tbody>
+                    <tr><td>200</td><td>Succès</td><td>-</td></tr>
+                    <tr><td>400</td><td>Requête invalide</td><td>Vérifiez le JSON et la taille du texte</td></tr>
+                    <tr><td>429</td><td>Trop de requêtes</td><td>Attendez et réessayez (backoff)</td></tr>
+                    <tr><td>500</td><td>Erreur serveur</td><td>Réessayez plus tard, contactez admin si persiste</td></tr>
+                </tbody>
+            </table>
+        </section>
+    </div>
+
+    <script>
+        function showSection(sectionId) {
+            document.querySelectorAll('.section').forEach(s => s.classList.remove('active'));
+            document.querySelectorAll('.nav-btn').forEach(b => b.classList.remove('active'));
+            document.getElementById(sectionId).classList.add('active');
+            document.querySelector(`[onclick="showSection('${sectionId}')"]`).classList.add('active');
+        }
+        
+        function showCode(codeId) {
+            document.querySelectorAll('.code-block').forEach(c => c.classList.remove('active'));
+            document.querySelectorAll('.lang-tab').forEach(t => t.classList.remove('active'));
+            document.getElementById(codeId).classList.add('active');
+            event.target.classList.add('active');
+        }
+    </script>
+</body>
+</html>

settings.json

@@ -0,0 +1,5 @@
+{
+  "maxConcurrentJobs": 2,
+  "centralHost": "localhost",
+  "centralPort": 7820
+}

src/index.js

@@ -0,0 +1,162 @@
+require('dotenv').config();
+const WebSocket = require('ws');
+const translate = require('@vitalets/google-translate-api');
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+const winston = require('winston');
+
+const settings = JSON.parse(fs.readFileSync(path.join(__dirname, '../settings.json'), 'utf8'));
+
+// Logger
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.combine(
+    winston.format.timestamp(),
+    winston.format.json()
+  ),
+  transports: [
+    new winston.transports.Console(),
+    new winston.transports.File({ filename: path.join(__dirname, '../../logs/worker.log') })
+  ]
+});
+
+// Worker state
+let workerId = null;
+let ws = null;
+let maxConcurrentJobs = settings.maxConcurrentJobs;
+let activeJobs = 0;
+let reconnectAttempts = 0;
+const MAX_RECONNECT_ATTEMPTS = 10;
+const RECONNECT_DELAY = 5000;
+
+// Connect to central server
+function connect() {
+  const url = `ws://${settings.centralHost}:${settings.centralPort}`;
+  logger.info(`Connecting to central server at ${url}`);
+  
+  ws = new WebSocket(url);
+  
+  ws.on('open', () => {
+    logger.info('Connected to central server');
+    reconnectAttempts = 0;
+  });
+  
+  ws.on('message', (data) => {
+    try {
+      const msg = JSON.parse(data);
+      handleMessage(msg);
+    } catch (e) {
+      logger.error('Invalid message from central', e);
+    }
+  });
+  
+  ws.on('close', () => {
+    logger.warn('Disconnected from central server');
+    scheduleReconnect();
+  });
+  
+  ws.on('error', (err) => {
+    logger.error('WebSocket error', err);
+  });
+}
+
+function scheduleReconnect() {
+  if (reconnectAttempts >= MAX_RECONNECT_ATTEMPTS) {
+    logger.error('Max reconnect attempts reached, exiting');
+    process.exit(1);
+  }
+  
+  reconnectAttempts++;
+  const delay = RECONNECT_DELAY * reconnectAttempts;
+  logger.info(`Reconnecting in ${delay}ms (attempt ${reconnectAttempts}/${MAX_RECONNECT_ATTEMPTS})`);
+  
+  setTimeout(connect, delay);
+}
+
+function handleMessage(msg) {
+  switch (msg.type) {
+    case 'welcome':
+      workerId = msg.workerId;
+      maxConcurrentJobs = msg.maxConcurrentJobs || maxConcurrentJobs;
+      logger.info(`Worker registered with ID: ${workerId}, max jobs: ${maxConcurrentJobs}`);
+      startHeartbeat();
+      break;
+      
+    case 'translate':
+      handleTranslateJob(msg);
+      break;
+      
+    case 'ping':
+      // Keep alive
+      ws.send(JSON.stringify({ type: 'pong' }));
+      break;
+  }
+}
+
+async function handleTranslateJob(msg) {
+  const { jobId, text, source, target } = msg;
+  
+  if (activeJobs >= maxConcurrentJobs) {
+    logger.warn(`Job ${jobId} rejected: at capacity (${activeJobs}/${maxConcurrentJobs})`);
+    sendResult(jobId, { error: 'Worker at capacity' });
+    return;
+  }
+  
+  activeJobs++;
+  logger.info(`Starting job ${jobId} (${activeJobs}/${maxConcurrentJobs})`);
+  
+  try {
+    const result = await translate(text, { from: source, to: target });
+    sendResult(jobId, { translatedText: result.text });
+  } catch (error) {
+    logger.error(`Job ${jobId} failed`, error);
+    sendResult(jobId, { error: error.message });
+  } finally {
+    activeJobs--;
+  }
+}
+
+function sendResult(jobId, result) {
+  if (ws && ws.readyState === WebSocket.OPEN) {
+    ws.send(JSON.stringify({
+      type: 'result',
+      jobId,
+      result
+    }));
+  }
+}
+
+// Heartbeat with metrics
+function startHeartbeat() {
+  setInterval(() => {
+    if (ws && ws.readyState === WebSocket.OPEN) {
+      const cpuUsage = process.cpuUsage();
+      const memUsage = process.memoryUsage();
+      
+      ws.send(JSON.stringify({
+        type: 'heartbeat',
+        cpu: (cpuUsage.user + cpuUsage.system) / 10000, // Convert to percentage-ish
+        ram: memUsage.heapUsed,
+        jobsActive: activeJobs
+      }));
+    }
+  }, 5000);
+}
+
+// Handle graceful shutdown
+process.on('SIGTERM', () => {
+  logger.info('SIGTERM received, shutting down gracefully');
+  if (ws) ws.close();
+  process.exit(0);
+});
+
+process.on('SIGINT', () => {
+  logger.info('SIGINT received, shutting down gracefully');
+  if (ws) ws.close();
+  process.exit(0);
+});
+
+// Start
+logger.info('Starting Translator Worker');
+connect();

worker/settings.json

@@ -0,0 +1,5 @@
+{
+  "maxConcurrentJobs": 2,
+  "centralHost": "localhost",
+  "centralPort": 7820
+}

worker/src/index.js

@@ -0,0 +1,162 @@
+require('dotenv').config();
+const WebSocket = require('ws');
+const translate = require('@vitalets/google-translate-api');
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+const winston = require('winston');
+
+const settings = JSON.parse(fs.readFileSync(path.join(__dirname, '../settings.json'), 'utf8'));
+
+// Logger
+const logger = winston.createLogger({
+  level: 'info',
+  format: winston.format.combine(
+    winston.format.timestamp(),
+    winston.format.json()
+  ),
+  transports: [
+    new winston.transports.Console(),
+    new winston.transports.File({ filename: path.join(__dirname, '../../logs/worker.log') })
+  ]
+});
+
+// Worker state
+let workerId = null;
+let ws = null;
+let maxConcurrentJobs = settings.maxConcurrentJobs;
+let activeJobs = 0;
+let reconnectAttempts = 0;
+const MAX_RECONNECT_ATTEMPTS = 10;
+const RECONNECT_DELAY = 5000;
+
+// Connect to central server
+function connect() {
+  const url = `ws://${settings.centralHost}:${settings.centralPort}`;
+  logger.info(`Connecting to central server at ${url}`);
+  
+  ws = new WebSocket(url);
+  
+  ws.on('open', () => {
+    logger.info('Connected to central server');
+    reconnectAttempts = 0;
+  });
+  
+  ws.on('message', (data) => {
+    try {
+      const msg = JSON.parse(data);
+      handleMessage(msg);
+    } catch (e) {
+      logger.error('Invalid message from central', e);
+    }
+  });
+  
+  ws.on('close', () => {
+    logger.warn('Disconnected from central server');
+    scheduleReconnect();
+  });
+  
+  ws.on('error', (err) => {
+    logger.error('WebSocket error', err);
+  });
+}
+
+function scheduleReconnect() {
+  if (reconnectAttempts >= MAX_RECONNECT_ATTEMPTS) {
+    logger.error('Max reconnect attempts reached, exiting');
+    process.exit(1);
+  }
+  
+  reconnectAttempts++;
+  const delay = RECONNECT_DELAY * reconnectAttempts;
+  logger.info(`Reconnecting in ${delay}ms (attempt ${reconnectAttempts}/${MAX_RECONNECT_ATTEMPTS})`);
+  
+  setTimeout(connect, delay);
+}
+
+function handleMessage(msg) {
+  switch (msg.type) {
+    case 'welcome':
+      workerId = msg.workerId;
+      maxConcurrentJobs = msg.maxConcurrentJobs || maxConcurrentJobs;
+      logger.info(`Worker registered with ID: ${workerId}, max jobs: ${maxConcurrentJobs}`);
+      startHeartbeat();
+      break;
+      
+    case 'translate':
+      handleTranslateJob(msg);
+      break;
+      
+    case 'ping':
+      // Keep alive
+      ws.send(JSON.stringify({ type: 'pong' }));
+      break;
+  }
+}
+
+async function handleTranslateJob(msg) {
+  const { jobId, text, source, target } = msg;
+  
+  if (activeJobs >= maxConcurrentJobs) {
+    logger.warn(`Job ${jobId} rejected: at capacity (${activeJobs}/${maxConcurrentJobs})`);
+    sendResult(jobId, { error: 'Worker at capacity' });
+    return;
+  }
+  
+  activeJobs++;
+  logger.info(`Starting job ${jobId} (${activeJobs}/${maxConcurrentJobs})`);
+  
+  try {
+    const result = await translate(text, { from: source, to: target });
+    sendResult(jobId, { translatedText: result.text });
+  } catch (error) {
+    logger.error(`Job ${jobId} failed`, error);
+    sendResult(jobId, { error: error.message });
+  } finally {
+    activeJobs--;
+  }
+}
+
+function sendResult(jobId, result) {
+  if (ws && ws.readyState === WebSocket.OPEN) {
+    ws.send(JSON.stringify({
+      type: 'result',
+      jobId,
+      result
+    }));
+  }
+}
+
+// Heartbeat with metrics
+function startHeartbeat() {
+  setInterval(() => {
+    if (ws && ws.readyState === WebSocket.OPEN) {
+      const cpuUsage = process.cpuUsage();
+      const memUsage = process.memoryUsage();
+      
+      ws.send(JSON.stringify({
+        type: 'heartbeat',
+        cpu: (cpuUsage.user + cpuUsage.system) / 10000, // Convert to percentage-ish
+        ram: memUsage.heapUsed,
+        jobsActive: activeJobs
+      }));
+    }
+  }, 5000);
+}
+
+// Handle graceful shutdown
+process.on('SIGTERM', () => {
+  logger.info('SIGTERM received, shutting down gracefully');
+  if (ws) ws.close();
+  process.exit(0);
+});
+
+process.on('SIGINT', () => {
+  logger.info('SIGINT received, shutting down gracefully');
+  if (ws) ws.close();
+  process.exit(0);
+});
+
+// Start
+logger.info('Starting Translator Worker');
+connect();