hide messages

.dockerignore

@@ -58,7 +58,3 @@ docs
 Dockerfile*
 docker-compose*
 .dockerignore
-
-# Misc
-.cache
-.parcel-cache

.env.docker.example

@@ -20,6 +20,3 @@ WEB_APP_URL=https://your-domain.com
 
 # Optional: Additional database settings
 DATABASE_URL=postgresql://quixotic:your_secure_postgres_password_here@postgres:5432/quixotic
-# VK Music Configuration (add your actual credentials)
-VK_LOGIN=your_vk_login_here
-VK_PASSWORD=your_vk_password_here

.gitignore

@@ -75,6 +75,9 @@ build/
 out/
 coverage/
 
+# Version file (generated at build time)
+public/version.json
+
 # Backup files
 *.bak
 *.backup

.serena/memories/backend_migration_successful.md

@@ -1,42 +0,0 @@
-# Backend Migration to Python Successfully Completed
-
-## Status: ✅ SUCCESSFUL 
-The Telegram bot conflict error has been resolved and Python backend is running.
-
-## What Was Fixed:
-1. **Stopped old TypeScript server** - Resolved 409 Conflict error from multiple bot instances
-2. **Added missing dependency** - beautifulsoup4 required by vk-api package  
-3. **Updated Docker configuration** - Changed port from 3000 to 8000
-4. **Clean deployment** - Python backend now running without errors
-
-## Current Python Backend:
-- **Status**: Running successfully ✅
-- **URL**: http://localhost:8000 (internal Docker: port 8000)
-- **Services**: FastAPI + PostgreSQL + Traefik
-- **Music Source**: VK Music (vk-api library)
-- **Telegram Bot**: No conflicts, single instance running
-
-## Logs Confirmation:
-```
-INFO:     Started server process [1]
-INFO:     Waiting for application startup.
-INFO:     Application startup complete.
-INFO:     Uvicorn running on http://0.0.0.0:8000 (Press CTRL+C to quit)
-```
-
-## API Endpoints Available:
-- GET / - Main HTML page
-- POST /api/search - Search VK Music  
-- POST /api/convert - Convert to MP3
-- POST /api/telegram-send - Send via bot
-- GET /health - Health check
-
-## Environment Variables Needed:
-To fully test VK Music functionality, configure:
-- VK_LOGIN - VK account login
-- VK_PASSWORD - VK account password  
-- TELEGRAM_BOT_TOKEN - Bot token
-- DATABASE_URL - PostgreSQL connection
-
-## Next Steps:
-Ready for testing with actual VK credentials and Telegram bot integration.

.serena/memories/python_backend_rewrite_complete.md

@@ -1,58 +0,0 @@
-# Python Backend Rewrite Complete
-
-## Summary
-Successfully rewrote the Node.js/TypeScript backend to Python with VK Music integration.
-
-## New Python Backend Structure
-```
-├── main.py                 # Entry point - FastAPI app with uvicorn
-├── requirements.txt        # Python dependencies
-├── setup.py               # Environment setup script
-├── backend/
-│   ├── __init__.py
-│   ├── database.py        # SQLAlchemy models and database connection
-│   ├── vkmusic.py         # VK Music API integration (replaced SoundCloud)
-│   ├── api.py             # FastAPI routes and endpoints
-│   └── bot.py             # Telegram bot functionality
-├── Dockerfile             # Updated for Python
-└── .env                   # Environment variables (created by setup.py)
-```
-
-## Key Changes Made
-1. **Framework**: Express.js → FastAPI
-2. **Music Service**: SoundCloud → VK Music (vk-api library)
-3. **Database**: Direct PostgreSQL → SQLAlchemy ORM
-4. **Bot**: node-telegram-bot-api → python-telegram-bot
-5. **Audio Processing**: fluent-ffmpeg → subprocess + FFmpeg
-
-## API Endpoints (Preserved)
-- `GET /` - Serve main HTML with cache-busting
-- `POST /api/search` - Search VK Music tracks
-- `POST /api/convert` - Convert audio to MP3
-- `POST /api/telegram-send` - Send audio via Telegram
-- `GET /health` - Health check
-- `GET /downloads/{filename}` - Serve MP3 files
-
-## Environment Variables Required
-- `DATABASE_URL` - PostgreSQL connection string
-- `VK_LOGIN` - VK account login
-- `VK_PASSWORD` - VK account password  
-- `TELEGRAM_BOT_TOKEN` - Telegram bot token
-- `WEB_APP_URL` - Web app URL for bot
-- `PORT` - Server port (default: 8000)
-- `HOST` - Server host (default: 0.0.0.0)
-
-## Setup Instructions
-1. Run `python setup.py` to initialize environment
-2. Update `.env` file with actual credentials
-3. Install dependencies: `pip install -r requirements.txt`
-4. Start server: `python main.py`
-5. Access API at: http://localhost:8000
-
-## Docker Support
-Updated Dockerfile uses Python 3.11-slim with ffmpeg support. Ready for containerized deployment.
-
-## Next Steps
-- Test VK Music integration with actual credentials
-- Update frontend if needed to work with new Python API
-- Deploy and test in production environment

.serena/memories/search_bar_clear_button_implementation.md

@@ -1,45 +0,0 @@
-# Search Bar Clear Button Implementation Complete
-
-## Task Completed
-Successfully implemented a clear button for the search bar and auto-focus functionality when the user opens the app.
-
-## Changes Made
-
-### 1. HTML Structure (public/index.html)
-- Added clear button inside the input wrapper:
-```html
-<button class="tg-input-clear" id="clearButton" style="display: none;" type="button">✕</button>
-```
-
-### 2. CSS Styles (public/style.css)  
-- Added comprehensive styling for the clear button:
-  - Positioned absolutely within input wrapper
-  - Circular design with hover and active states
-  - Proper Telegram theme color integration
-  - Hidden by default, shown when input has content
-
-### 3. TypeScript Functionality (public/script.ts)
-- Added clearButton property to QuixoticApp class
-- Implemented `clearSearch()` method to clear input and reset state
-- Added `updateClearButtonVisibility()` to show/hide button based on input content
-- Integrated clear button event listener in `bindEvents()`
-- Added auto-focus functionality with 100ms delay on app initialization
-
-### 4. JavaScript Compilation
-- Successfully compiled TypeScript to JavaScript using `npx tsc --skipLibCheck`
-- Generated script.js in public/dist/ directory
-
-## Key Features Implemented
-1. ✅ Clear button appears when user types in search bar
-2. ✅ Clear button disappears when input is empty
-3. ✅ Clicking clear button clears input and resets to welcome state
-4. ✅ Auto-focus search input when app loads to activate keyboard
-5. ✅ Maintains focus after clearing to continue typing
-
-## Technical Details
-- Clear button uses ✕ symbol for intuitive UX
-- Styled with Telegram theme colors for consistency
-- Proper event handling to prevent conflicts with existing search functionality
-- TypeScript compiled successfully with library skip for dependency issues
-
-All functionality is working and ready for use.

.serena/memories/traefik_add_new_app_guide.md

@@ -0,0 +1,190 @@
+# How to Add New Application with Global Traefik
+
+## Current Working Configuration
+
+Global Traefik is successfully running on the server managing multiple applications:
+- **traefik.quixy.uk** - Traefik dashboard (working ✅)
+- **music.quixy.uk** - Quixotic app (working ✅)
+
+## Steps to Add New Application
+
+### 1. Update Application's docker-compose.yml
+
+Add the following to your app service:
+
+```yaml
+services:
+  your-app:
+    image: your-image
+    container_name: your-app-name
+    restart: unless-stopped
+    
+    # Your app configuration
+    environment:
+      PORT: 3000  # or whatever port your app uses
+    
+    # Traefik labels
+    labels:
+      - "traefik.enable=true"
+      
+      # Router configuration
+      - "traefik.http.routers.yourapp.rule=Host(`yourapp.quixy.uk`)"
+      - "traefik.http.routers.yourapp.entrypoints=websecure"
+      - "traefik.http.routers.yourapp.tls.certresolver=letsencrypt"
+      - "traefik.http.routers.yourapp.service=yourapp"
+      
+      # Service configuration (must match the port your app listens on)
+      - "traefik.http.services.yourapp.loadbalancer.server.port=3000"
+      
+      # Network specification
+      - "traefik.docker.network=traefik-global"
+    
+    # Networks - connect to both traefik-global and internal network
+    networks:
+      - traefik-global
+      - your-internal-network  # if you have databases, etc.
+
+networks:
+  # External network managed by global Traefik
+  traefik-global:
+    external: true
+  
+  # Internal network for app-only communication (optional)
+  your-internal-network:
+    driver: bridge
+```
+
+### 2. Key Points
+
+**Router Name**: Use unique name for each app (e.g., `yourapp`, `music`, `api`, etc.)
+- `traefik.http.routers.YOURAPP.rule=...`
+- `traefik.http.routers.YOURAPP.entrypoints=...`
+- `traefik.http.services.YOURAPP.loadbalancer.server.port=...`
+
+**Port**: Must match the INTERNAL port your app listens on inside the container
+- If your app runs on port 3000 inside container → use `port=3000`
+- If your app runs on port 8080 inside container → use `port=8080`
+
+**Networks**: App must be in `traefik-global` network for Traefik to reach it
+- Database containers should NOT be in traefik-global (security)
+- App connects to both networks (bridge between Traefik and internal services)
+
+### 3. Deploy Application
+
+```bash
+# Navigate to app directory
+cd /path/to/your-app
+
+# Start the application
+docker-compose up -d
+
+# Check logs
+docker logs your-app-name -f
+
+# Verify Traefik detected it
+docker logs traefik-global | grep yourapp
+```
+
+### 4. Configure DNS
+
+Add A record:
+```
+yourapp.quixy.uk  →  YOUR_SERVER_IP
+```
+
+### 5. Verify
+
+After DNS propagation (5-30 minutes):
+- App accessible at: `https://yourapp.quixy.uk`
+- SSL certificate auto-generated by Let's Encrypt
+- HTTP automatically redirects to HTTPS
+
+## Example: Quixotic Music App (Working Configuration)
+
+```yaml
+services:
+  quixotic-app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: quixotic-app
+    restart: unless-stopped
+    env_file:
+      - .env.docker
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+      DATABASE_URL: postgresql://user:pass@postgres:5432/db
+    volumes:
+      - downloads:/app/downloads
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.quixotic.rule=Host(`music.quixy.uk`)"
+      - "traefik.http.routers.quixotic.entrypoints=websecure"
+      - "traefik.http.routers.quixotic.tls.certresolver=letsencrypt"
+      - "traefik.http.routers.quixotic.service=quixotic"
+      - "traefik.http.services.quixotic.loadbalancer.server.port=3000"
+      - "traefik.docker.network=traefik-global"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - quixotic      # Internal network for postgres
+      - traefik-global # External network for Traefik
+
+  postgres:
+    image: postgres:15-alpine
+    container_name: quixotic-postgres
+    networks:
+      - quixotic  # Only internal network, NOT traefik-global
+
+networks:
+  quixotic:
+    driver: bridge
+  traefik-global:
+    external: true
+```
+
+## Troubleshooting
+
+### App not accessible
+```bash
+# Check container is running
+docker ps | grep your-app
+
+# Check container is in traefik-global network
+docker inspect your-app-name | grep Networks -A 10
+
+# If not in network, connect manually
+docker network connect traefik-global your-app-name
+```
+
+### 502 Bad Gateway
+- Wrong port in labels (check what port app listens on inside container)
+- App not responding (check app logs)
+- App not in traefik-global network
+
+### 404 Not Found
+- Wrong Host() rule in labels
+- DNS not configured
+- Traefik didn't detect container (check traefik logs)
+
+### SSL Certificate not issued
+- DNS not propagated yet (wait 5-30 minutes)
+- Ports 80/443 not open in firewall
+- Check traefik logs for ACME errors
+
+## Current Traefik Routes (Working)
+
+- `music.quixy.uk` → quixotic@docker → port 3000 ✅
+- `traefik.quixy.uk` → traefik-dashboard@docker → api@internal ✅
+- Auto HTTP→HTTPS redirect enabled ✅
+- ACME challenge working ✅
+
+## Important Notes
+
+1. **Never expose database ports** - keep databases in internal networks only
+2. **Each app needs unique router name** - use app name as prefix
+3. **Port must match container internal port** - not host port
+4. **DNS must be configured** - before SSL will work
+5. **Traefik auto-discovers** - no restart needed when adding apps

.serena/memories/uv_usage_guide.md

@@ -1,74 +0,0 @@
-# UV Package Manager Usage Guide
-
-## Overview
-UV is a fast Python package manager and project management tool, designed as a drop-in replacement for pip and virtualenv.
-
-## Key Commands Used
-
-### Package Installation
-```bash
-# Install packages from requirements.txt
-uv pip install -r requirements.txt
-
-# Install specific packages
-uv pip install fastapi uvicorn aiofiles pydantic
-
-# Install with specific Python version
-uv pip install --python 3.13 package_name
-```
-
-### Environment Management
-```bash
-# Create virtual environment
-uv venv
-
-# Create with specific Python version
-uv venv --python 3.13
-
-# Activate environment (still use standard activation)
-source .venv/bin/activate  # Linux/Mac
-.venv\Scripts\activate     # Windows
-```
-
-### Project Management
-```bash
-# Initialize new project
-uv init
-
-# Add dependencies
-uv add fastapi uvicorn
-
-# Remove dependencies
-uv remove package_name
-
-# Sync dependencies
-uv sync
-```
-
-### Running Commands
-```bash
-# Run Python with uv environment
-uv run python script.py
-
-# Run with specific requirements
-uv run --with requests python script.py
-```
-
-## Advantages Over Pip
-- Much faster installation and dependency resolution
-- Better dependency conflict resolution
-- Built-in virtual environment management
-- Lockfile support for reproducible builds
-- Cross-platform compatibility
-
-## Usage in This Project
-- Used `uv pip install` to install FastAPI dependencies
-- Works with existing requirements.txt files
-- Automatically resolves and installs dependencies
-- Handles complex package builds (though some like psycopg2 may still have issues on certain Python versions)
-
-## Best Practices
-- Use `uv pip install` as drop-in replacement for `pip install`
-- Create virtual environments with `uv venv`
-- Use `uv sync` for consistent dependency management
-- Check version with `uv --version`

.serena/project.yml

@@ -3,7 +3,7 @@
 #  * For JavaScript, use typescript
 # Special requirements:
 #  * csharp: Requires the presence of a .sln file in the project folder.
-language: go
+language: typescript
 
 # whether to use the project's gitignore file to ignore files
 # Added on 2025-04-07

Dockerfile

@@ -1,44 +1,65 @@
-# Python Backend Dockerfile
+# Build stage
-FROM python:3.11-slim
+FROM node:18-alpine AS builder
 
 WORKDIR /app
 
-# Install system dependencies
+# Copy package files first (better caching)
-RUN apt-get update && apt-get install -y \
+COPY package*.json ./
-    ffmpeg \
+COPY yarn.lock* ./
-    && rm -rf /var/lib/apt/lists/*
+
+# Install all dependencies (including dev for build)
+# This layer will be cached unless package.json changes
+RUN yarn install --frozen-lockfile && yarn cache clean
+
+# Copy source code (separate from dependencies)
+COPY tsconfig*.json ./
+COPY eslint.config.mjs ./
+COPY scripts ./scripts
+COPY src ./src
+COPY public ./public
+
+# Build the application with minification
+RUN yarn build:prod
+
+# Clean dev dependencies
+RUN yarn install --production --frozen-lockfile
+
+# Production stage
+FROM node:18-alpine AS production
+
+# Install ffmpeg from Alpine packages (architecture-aware)
+RUN apk update && apk add --no-cache ffmpeg
 
 # Set ffmpeg paths
 ENV FFMPEG_PATH=/usr/bin/ffmpeg
 ENV FFPROBE_PATH=/usr/bin/ffprobe
+ENV NODE_ENV=production
 
-# Copy requirements first for better Docker layer caching
+WORKDIR /app
-COPY requirements.txt .
 
-# Install Python dependencies
+# Copy built application and dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+COPY --from=builder /app/dist ./dist
-
+COPY --from=builder /app/node_modules ./node_modules
-# Copy application code
+COPY --from=builder /app/public ./public
-COPY backend/ ./backend/
+COPY --from=builder /app/package*.json ./
-COPY main.py .
-COPY public/ ./public/
 
 # Create necessary directories
 RUN mkdir -p downloads database
 
 # Create non-root user
-RUN groupadd -r quixotic && useradd -r -g quixotic quixotic
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S quixotic -u 1001
 
 # Change ownership of app directory
-RUN chown -R quixotic:quixotic /app
+RUN chown -R quixotic:nodejs /app
 USER quixotic
 
 # Expose port
-EXPOSE 8000
+EXPOSE 3000
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD python -c "import requests; requests.get('http://localhost:8000/health', timeout=3)"
+  CMD node -e "require('http').get('http://localhost:3000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"
 
 # Start the application
-CMD ["python", "main.py"]
+CMD ["node", "dist/server.js"]

backend/__init__.py

@@ -1 +0,0 @@
-# Backend package

backend/api.py

@@ -1,336 +0,0 @@
-import os
-import asyncio
-import subprocess
-from pathlib import Path
-from datetime import datetime
-from typing import Optional, List
-from fastapi import FastAPI, HTTPException, Request, Response
-from fastapi.staticfiles import StaticFiles
-from fastapi.responses import FileResponse, HTMLResponse
-from pydantic import BaseModel
-import aiofiles
-
-from .database import Database, User
-from .vkmusic import VKMusicService, Track
-from .bot import QuixoticBot
-
-app = FastAPI(title="Quixotic API", version="1.0.0")
-
-# Initialize services
-db = Database()
-vkmusic = VKMusicService()
-bot_instance = None
-
-# Ensure downloads directory exists
-downloads_dir = Path(__file__).parent.parent / "downloads"
-downloads_dir.mkdir(exist_ok=True)
-
-# Request/Response models
-class SearchRequest(BaseModel):
-    query: str
-    userId: Optional[str] = None
-
-class SearchResponse(BaseModel):
-    videos: List[Track]
-
-class ConvertRequest(BaseModel):
-    videoId: str
-    title: Optional[str] = None
-    userId: Optional[str] = None
-    url: Optional[str] = None
-    performer: Optional[str] = None
-
-class ConvertResponse(BaseModel):
-    audioUrl: str
-    title: Optional[str] = None
-
-class TelegramSendRequest(BaseModel):
-    userId: str
-    audioUrl: str
-    title: str
-    performer: Optional[str] = None
-    thumbnail: Optional[str] = None
-
-class HealthResponse(BaseModel):
-    status: str
-    timestamp: str
-
-# Routes
-@app.get("/", response_class=HTMLResponse)
-async def root(request: Request):
-    """Serve main HTML page with cache-busting"""
-    try:
-        public_dir = Path(__file__).parent.parent / "public"
-        index_path = public_dir / "index.html"
-        
-        async with aiofiles.open(index_path, 'r', encoding='utf8') as f:
-            html = await f.read()
-        
-        # Add timestamp for cache busting
-        timestamp = int(datetime.now().timestamp() * 1000)
-        html = html.replace('dist/script.js?v=2', f'dist/script.js?v={timestamp}')
-        
-        return HTMLResponse(
-            content=html,
-            headers={
-                'Cache-Control': 'no-cache, no-store, must-revalidate',
-                'Pragma': 'no-cache',
-                'Expires': '0'
-            }
-        )
-    except Exception as e:
-        raise HTTPException(status_code=500, detail=f"Failed to serve index: {str(e)}")
-
-@app.post("/api/search", response_model=SearchResponse)
-async def search_videos(request: SearchRequest):
-    """Search for videos/tracks"""
-    try:
-        if not request.query or not request.query.strip():
-            raise HTTPException(status_code=400, detail="Query is required")
-        
-        # Save search history
-        if request.userId and request.userId != 'demo':
-            try:
-                user = await db.get_user_by_telegram_id(request.userId)
-                if user:
-                    await db.add_search_history(user.id, request.query)
-            except Exception as db_error:
-                print(f"Database error: {db_error}")
-        
-        # Search for tracks
-        videos = await vkmusic.search_tracks(request.query.strip())
-        return SearchResponse(videos=videos)
-        
-    except Exception as error:
-        print(f"Search error: {error}")
-        raise HTTPException(status_code=500, detail="Failed to search videos")
-
-@app.post("/api/convert", response_model=ConvertResponse)
-async def convert_video(request: ConvertRequest, http_request: Request):
-    """Convert video to MP3"""
-    try:
-        if not request.videoId:
-            raise HTTPException(status_code=400, detail="Video ID is required")
-        
-        # Generate safe filename
-        safe_title = "".join(c for c in (request.title or "") if c.isalnum() or c in (' ', '-', '_')).replace(' ', '_')[:50]
-        filename = f"{request.videoId}_{safe_title}.mp3"
-        output_path = downloads_dir / filename
-        
-        # Check if file already exists
-        if output_path.exists():
-            print("File already exists, serving cached version")
-            base_url = f"{http_request.url.scheme}://{http_request.url.netloc}"
-            audio_url = f"{base_url}/downloads/{filename}"
-            return ConvertResponse(audioUrl=audio_url, title=request.title)
-        
-        print(f"Starting MP3 conversion for: {request.title}")
-        
-        # Download and convert using VK music service
-        if not request.url:
-            raise HTTPException(status_code=400, detail="Track URL is required")
-        
-        success = await vkmusic.download_track(request.url, str(output_path))
-        
-        if not success:
-            # Fallback: try using FFmpeg conversion
-            audio_data = await vkmusic.get_audio_stream(request.videoId, request.url)
-            if not audio_data:
-                raise HTTPException(
-                    status_code=503, 
-                    detail="MP3 conversion failed. This track may be restricted or unavailable for download."
-                )
-            
-            # Convert using FFmpeg
-            await convert_with_ffmpeg(audio_data, output_path)
-        
-        # Save download record
-        if request.userId and request.userId != 'demo':
-            try:
-                user = await db.get_user_by_telegram_id(request.userId)
-                if user:
-                    await db.add_download(user.id, request.videoId, request.title or "", str(output_path))
-            except Exception as db_error:
-                print(f"Database error: {db_error}")
-        
-        base_url = f"{http_request.url.scheme}://{http_request.url.netloc}"
-        audio_url = f"{base_url}/downloads/{filename}"
-        print(f"Conversion successful, file available at: {audio_url}")
-        
-        return ConvertResponse(audioUrl=audio_url, title=request.title)
-        
-    except HTTPException:
-        raise
-    except Exception as error:
-        print(f"Server error: {error}")
-        raise HTTPException(status_code=500, detail="Failed to process request")
-
-@app.post("/api/telegram-send")
-async def telegram_send(request: TelegramSendRequest):
-    """Send audio via Telegram bot"""
-    print("🚀 Telegram send request received")
-    
-    try:
-        if not request.userId or not request.audioUrl or not request.title:
-            raise HTTPException(status_code=400, detail="Missing required fields")
-        
-        if not bot_instance:
-            raise HTTPException(status_code=500, detail="Bot not available")
-        
-        print(f"📤 Sending to user {request.userId}: {request.title}")
-        
-        chat_id = int(request.userId)
-        await bot_instance.send_audio_file(
-            chat_id, 
-            request.audioUrl, 
-            request.title, 
-            request.performer, 
-            request.thumbnail
-        )
-        
-        print("✅ Audio sent successfully")
-        return {"success": True, "message": "Audio sent successfully"}
-        
-    except Exception as error:
-        print(f"❌ Send failed: {error}")
-        raise HTTPException(status_code=500, detail=str(error))
-
-@app.get("/health", response_model=HealthResponse)
-async def health_check():
-    """Health check endpoint"""
-    return HealthResponse(
-        status="ok",
-        timestamp=datetime.now().isoformat()
-    )
-
-# Serve download files
-app.mount("/downloads", StaticFiles(directory=str(downloads_dir)), name="downloads")
-
-# Serve static files
-public_dir = Path(__file__).parent.parent / "public"
-
-@app.get("/style.css")
-async def get_css():
-    """Serve CSS file"""
-    css_path = public_dir / "style.css" 
-    if css_path.exists():
-        return FileResponse(
-            path=css_path,
-            media_type="text/css",
-            headers={"Cache-Control": "no-cache, max-age=0"}
-        )
-    raise HTTPException(status_code=404, detail="CSS not found")
-
-@app.get("/dist/script.js")
-async def get_js():
-    """Serve JavaScript file"""
-    js_path = public_dir / "dist" / "script.js"
-    if js_path.exists():
-        return FileResponse(
-            path=js_path,
-            media_type="application/javascript", 
-            headers={"Cache-Control": "no-cache, max-age=0"}
-        )
-    raise HTTPException(status_code=404, detail="JavaScript not found")
-
-# Mount remaining static files
-if public_dir.exists():
-    app.mount("/static", StaticFiles(directory=str(public_dir)), name="static")
-
-async def convert_with_ffmpeg(audio_data: bytes, output_path: Path):
-    """Convert audio data to MP3 using FFmpeg"""
-    temp_input = output_path.with_suffix('.tmp')
-    
-    try:
-        # Write audio data to temporary file
-        async with aiofiles.open(temp_input, 'wb') as f:
-            await f.write(audio_data)
-        
-        # Convert using FFmpeg
-        cmd = [
-            'ffmpeg',
-            '-i', str(temp_input),
-            '-codec:a', 'libmp3lame',
-            '-b:a', '192k',
-            '-ac', '2',
-            '-ar', '44100',
-            '-f', 'mp3',
-            str(output_path),
-            '-y'  # Overwrite output file
-        ]
-        
-        process = await asyncio.create_subprocess_exec(
-            *cmd,
-            stdout=asyncio.subprocess.PIPE,
-            stderr=asyncio.subprocess.PIPE
-        )
-        
-        stdout, stderr = await process.communicate()
-        
-        if process.returncode != 0:
-            print(f"FFmpeg error: {stderr.decode()}")
-            raise Exception("FFmpeg conversion failed")
-        
-        print("MP3 conversion completed successfully")
-        
-    finally:
-        # Clean up temporary file
-        if temp_input.exists():
-            temp_input.unlink()
-
-# Cleanup task for old files
-async def cleanup_old_files():
-    """Clean up old download files"""
-    max_age = 24 * 60 * 60  # 24 hours in seconds
-    now = datetime.now().timestamp()
-    
-    try:
-        for file_path in downloads_dir.iterdir():
-            if file_path.is_file():
-                file_age = now - file_path.stat().st_mtime
-                if file_age > max_age:
-                    file_path.unlink()
-                    print(f"Deleted old file: {file_path.name}")
-    except Exception as e:
-        print(f"Cleanup error: {e}")
-
-# Startup event
-@app.on_event("startup")
-async def startup_event():
-    """Initialize services on startup"""
-    global bot_instance
-    
-    print("Starting Quixotic Python API...")
-    
-    # Initialize Telegram bot
-    bot_token = os.getenv("TELEGRAM_BOT_TOKEN")
-    web_app_url = os.getenv("WEB_APP_URL", "http://localhost:8000")
-    
-    if bot_token and len(bot_token) > 10:
-        try:
-            bot_instance = QuixoticBot(bot_token, web_app_url, db)
-            print("🤖 Telegram bot initialized")
-        except Exception as error:
-            print(f"❌ Bot initialization failed: {error}")
-            print("⚠️ Bot disabled due to error")
-    else:
-        print("⚠️ TELEGRAM_BOT_TOKEN not found or invalid - bot will not start")
-    
-    # Start cleanup task
-    asyncio.create_task(periodic_cleanup())
-
-async def periodic_cleanup():
-    """Periodic cleanup task"""
-    while True:
-        await asyncio.sleep(3600)  # Run every hour
-        await cleanup_old_files()
-
-# Shutdown event
-@app.on_event("shutdown")
-async def shutdown_event():
-    """Cleanup on shutdown"""
-    await vkmusic.close()
-    db.close()
-    if bot_instance:
-        await bot_instance.close()
-    print("Quixotic API shutdown complete")

backend/bot.py

@@ -1,163 +0,0 @@
-import os
-from typing import Optional
-from telegram import Bot, InlineKeyboardButton, InlineKeyboardMarkup, WebAppInfo
-from telegram.ext import Application, CommandHandler, MessageHandler, filters
-import httpx
-
-from .database import Database, User
-
-class QuixoticBot:
-    def __init__(self, token: str, web_app_url: str, database: Database):
-        self.token = token
-        self.web_app_url = web_app_url
-        self.db = database
-        self.bot = Bot(token=token)
-        self.application = Application.builder().token(token).build()
-        self.setup_handlers()
-    
-    def setup_handlers(self):
-        """Setup bot command and message handlers"""
-        # Command handlers
-        self.application.add_handler(CommandHandler("start", self.start_command))
-        self.application.add_handler(CommandHandler("help", self.help_command))
-        
-        # Message handlers
-        self.application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, self.handle_message))
-    
-    async def start_command(self, update, context):
-        """Handle /start command"""
-        user = update.effective_user
-        chat_id = update.effective_chat.id
-        
-        # Save or update user in database
-        try:
-            db_user = await self.db.get_user_by_telegram_id(str(user.id))
-            if not db_user:
-                await self.db.add_user(
-                    telegram_id=str(user.id),
-                    username=user.username,
-                    first_name=user.first_name,
-                    last_name=user.last_name,
-                    language_code=user.language_code
-                )
-        except Exception as e:
-            print(f"Database error in start command: {e}")
-        
-        # Create inline keyboard with web app button
-        keyboard = [
-            [InlineKeyboardButton(
-                "🎵 Open Quixotic",
-                web_app=WebAppInfo(url=self.web_app_url)
-            )]
-        ]
-        reply_markup = InlineKeyboardMarkup(keyboard)
-        
-        welcome_text = (
-            f"👋 Welcome to Quixotic, {user.first_name}!\n\n"
-            "🎵 Search and download music from SoundCloud\n"
-            "🚀 Fast MP3 conversion\n"
-            "📱 Easy-to-use interface\n\n"
-            "Click the button below to get started!"
-        )
-        
-        await context.bot.send_message(
-            chat_id=chat_id,
-            text=welcome_text,
-            reply_markup=reply_markup
-        )
-    
-    async def help_command(self, update, context):
-        """Handle /help command"""
-        help_text = (
-            "🎵 *Quixotic Bot Help*\n\n"
-            "*Commands:*\n"
-            "/start - Start the bot and open the music app\n"
-            "/help - Show this help message\n\n"
-            "*How to use:*\n"
-            "1. Click 'Open Quixotic' to launch the web app\n"
-            "2. Search for your favorite songs\n"
-            "3. Convert and download as MP3\n"
-            "4. Music files will be sent directly to this chat\n\n"
-            "*Features:*\n"
-            "• SoundCloud music search\n"
-            "• High-quality MP3 conversion\n"
-            "• Fast downloads\n"
-            "• Search history tracking\n\n"
-            "Enjoy your music! 🎶"
-        )
-        
-        await update.message.reply_text(
-            help_text,
-            parse_mode='Markdown'
-        )
-    
-    async def handle_message(self, update, context):
-        """Handle text messages"""
-        # For now, just respond with instructions to use the web app
-        keyboard = [
-            [InlineKeyboardButton(
-                "🎵 Open Quixotic",
-                web_app=WebAppInfo(url=self.web_app_url)
-            )]
-        ]
-        reply_markup = InlineKeyboardMarkup(keyboard)
-        
-        await update.message.reply_text(
-            "Use the web app to search and download music! 🎵",
-            reply_markup=reply_markup
-        )
-    
-    async def send_audio_file(self, chat_id: int, audio_url: str, title: str, 
-                             performer: Optional[str] = None, thumbnail: Optional[str] = None):
-        """Send audio file to user"""
-        try:
-            print(f"📤 Sending audio to chat {chat_id}")
-            
-            # Download the audio file first
-            async with httpx.AsyncClient() as client:
-                response = await client.get(audio_url)
-                response.raise_for_status()
-                audio_data = response.content
-            
-            # Send audio
-            await self.bot.send_audio(
-                chat_id=chat_id,
-                audio=audio_data,
-                title=title,
-                performer=performer or "Unknown Artist",
-                duration=None,  # Let Telegram figure it out
-                caption=f"🎵 {title}" + (f" by {performer}" if performer else ""),
-                thumbnail=thumbnail if thumbnail else None
-            )
-            
-            print(f"✅ Audio sent successfully to chat {chat_id}")
-            
-        except Exception as e:
-            print(f"❌ Failed to send audio to chat {chat_id}: {e}")
-            
-            # Send error message
-            error_message = (
-                "❌ Failed to send audio file. "
-                "The file might be too large or temporarily unavailable."
-            )
-            
-            try:
-                await self.bot.send_message(chat_id=chat_id, text=error_message)
-            except Exception as msg_error:
-                print(f"❌ Failed to send error message: {msg_error}")
-            
-            raise e
-    
-    async def start_polling(self):
-        """Start bot polling"""
-        print("🤖 Starting bot polling...")
-        await self.application.initialize()
-        await self.application.start()
-        await self.application.updater.start_polling()
-    
-    async def close(self):
-        """Close bot application"""
-        if self.application:
-            await self.application.stop()
-            await self.application.shutdown()
-        print("🤖 Bot closed")

backend/database.py

@@ -1,135 +0,0 @@
-import os
-from datetime import datetime
-from typing import Optional, List
-from sqlalchemy import create_engine, Column, Integer, String, DateTime, ForeignKey
-from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import sessionmaker, Session, relationship
-from sqlalchemy.pool import StaticPool
-
-Base = declarative_base()
-
-class User(Base):
-    __tablename__ = "users"
-    
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    telegram_id = Column(String, unique=True, nullable=False)
-    username = Column(String, nullable=True)
-    first_name = Column(String, nullable=True)
-    last_name = Column(String, nullable=True)
-    language_code = Column(String, nullable=True)
-    created_at = Column(DateTime, default=datetime.utcnow)
-    
-    # Relationships
-    search_history = relationship("SearchHistory", back_populates="user")
-    downloads = relationship("Download", back_populates="user")
-
-class SearchHistory(Base):
-    __tablename__ = "search_history"
-    
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
-    query = Column(String, nullable=False)
-    created_at = Column(DateTime, default=datetime.utcnow)
-    
-    # Relationship
-    user = relationship("User", back_populates="search_history")
-
-class Download(Base):
-    __tablename__ = "downloads"
-    
-    id = Column(Integer, primary_key=True, autoincrement=True)
-    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
-    video_id = Column(String, nullable=False)
-    title = Column(String, nullable=False)
-    file_path = Column(String, nullable=False)
-    created_at = Column(DateTime, default=datetime.utcnow)
-    
-    # Relationship
-    user = relationship("User", back_populates="downloads")
-
-class Database:
-    def __init__(self):
-        # Get database URL from environment or use default
-        database_url = os.getenv("DATABASE_URL")
-        if not database_url:
-            raise ValueError("DATABASE_URL environment variable is required")
-        
-        # Create engine
-        self.engine = create_engine(
-            database_url,
-            poolclass=StaticPool,
-            connect_args={"check_same_thread": False} if "sqlite" in database_url else {},
-            echo=False
-        )
-        
-        # Create session factory
-        self.SessionLocal = sessionmaker(bind=self.engine)
-        
-        # Create tables
-        self.init_db()
-    
-    def init_db(self):
-        """Initialize database tables"""
-        Base.metadata.create_all(bind=self.engine)
-    
-    def get_session(self) -> Session:
-        """Get database session"""
-        return self.SessionLocal()
-    
-    def close(self):
-        """Close database connection"""
-        self.engine.dispose()
-    
-    async def get_user_by_telegram_id(self, telegram_id: str) -> Optional[User]:
-        """Get user by Telegram ID"""
-        with self.get_session() as session:
-            return session.query(User).filter(User.telegram_id == telegram_id).first()
-    
-    async def add_user(self, telegram_id: str, username: str = None, 
-                      first_name: str = None, last_name: str = None, 
-                      language_code: str = None) -> User:
-        """Add new user"""
-        with self.get_session() as session:
-            user = User(
-                telegram_id=telegram_id,
-                username=username,
-                first_name=first_name,
-                last_name=last_name,
-                language_code=language_code
-            )
-            session.add(user)
-            session.commit()
-            session.refresh(user)
-            return user
-    
-    async def add_search_history(self, user_id: int, query: str) -> SearchHistory:
-        """Add search history record"""
-        with self.get_session() as session:
-            history = SearchHistory(user_id=user_id, query=query)
-            session.add(history)
-            session.commit()
-            session.refresh(history)
-            return history
-    
-    async def add_download(self, user_id: int, video_id: str, title: str, file_path: str) -> Download:
-        """Add download record"""
-        with self.get_session() as session:
-            download = Download(
-                user_id=user_id,
-                video_id=video_id,
-                title=title,
-                file_path=file_path
-            )
-            session.add(download)
-            session.commit()
-            session.refresh(download)
-            return download
-    
-    async def get_search_history(self, user_id: int, limit: int = 10) -> List[SearchHistory]:
-        """Get user search history"""
-        with self.get_session() as session:
-            return session.query(SearchHistory)\
-                         .filter(SearchHistory.user_id == user_id)\
-                         .order_by(SearchHistory.created_at.desc())\
-                         .limit(limit)\
-                         .all()

backend/vkmusic.py

@@ -1,110 +0,0 @@
-import os
-import asyncio
-import subprocess
-from typing import List, Optional, Dict, Any
-from dataclasses import dataclass
-import httpx
-import json
-import vk_api
-from vk_api.audio import VkAudio
-
-@dataclass
-class Track:
-    id: str
-    title: str
-    artist: str
-    duration: int
-    thumbnail: str
-    url: str
-    permalink: str
-
-class VKMusicService:
-    def __init__(self):
-        self.vk_login = os.getenv("VK_LOGIN")
-        self.vk_password = os.getenv("VK_PASSWORD")
-        self.vk_session = None
-        self.vk_audio = None
-        self.client = httpx.AsyncClient()
-        
-        if self.vk_login and self.vk_password:
-            try:
-                self.vk_session = vk_api.VkApi(self.vk_login, self.vk_password)
-                self.vk_session.auth()
-                self.vk_audio = VkAudio(self.vk_session)
-                print("✅ VK Music service initialized")
-            except Exception as e:
-                print(f"❌ VK Music initialization failed: {e}")
-                self.vk_session = None
-                self.vk_audio = None
-        else:
-            print("⚠️ VK_LOGIN or VK_PASSWORD not configured")
-    
-    async def search_tracks(self, query: str, limit: int = 10) -> List[Track]:
-        """Search for tracks on VK Music"""
-        try:
-            if not self.vk_audio:
-                print("VK Audio not available, returning empty results")
-                return []
-            
-            # Search for audio tracks
-            search_results = self.vk_audio.search(q=query, count=limit)
-            tracks = []
-            
-            for item in search_results:
-                # VK Audio returns dict with keys: artist, title, duration, url, etc.
-                track = Track(
-                    id=str(item.get('id', '')),
-                    title=item.get('title', 'Unknown Title'),
-                    artist=item.get('artist', 'Unknown Artist'),
-                    duration=item.get('duration', 0),
-                    thumbnail=item.get('album', {}).get('thumb', {}).get('photo_600', '') if item.get('album') else '',
-                    url=item.get('url', ''),
-                    permalink=item.get('url', '')
-                )
-                tracks.append(track)
-            
-            return tracks
-            
-        except Exception as e:
-            print(f"VK search error: {e}")
-            return []
-    
-    async def get_audio_stream(self, track_id: str, track_url: str) -> Optional[bytes]:
-        """Get audio stream for a track"""
-        try:
-            if not track_url:
-                return None
-            
-            # Download audio stream directly from VK URL
-            response = await self.client.get(track_url)
-            response.raise_for_status()
-            
-            return response.content
-            
-        except Exception as e:
-            print(f"Audio stream error: {e}")
-            return None
-    
-    async def download_track(self, track_url: str, output_path: str) -> bool:
-        """Download track directly to file"""
-        try:
-            if not track_url:
-                return False
-            
-            # Download directly from VK URL
-            response = await self.client.get(track_url)
-            response.raise_for_status()
-            
-            # Save to file
-            with open(output_path, 'wb') as f:
-                f.write(response.content)
-            
-            return True
-                
-        except Exception as e:
-            print(f"Download track error: {e}")
-            return False
-    
-    async def close(self):
-        """Close HTTP client"""
-        await self.client.aclose()

docker-compose.local.yml

@@ -0,0 +1,56 @@
+services:
+  postgres:
+    image: postgres:15-alpine
+    container_name: quixotic-postgres
+    restart: unless-stopped
+    environment:
+      POSTGRES_DB: quixotic
+      POSTGRES_USER: quixotic
+      POSTGRES_PASSWORD: quixotic123
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+      - ./database/init:/docker-entrypoint-initdb.d
+    networks:
+      - quixotic
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U quixotic"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  quixotic-app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+      cache_from:
+        - quixotic-app:latest
+    image: quixotic-app:latest
+    container_name: quixotic-app
+    restart: unless-stopped
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+      DATABASE_URL: postgresql://quixotic:quixotic123@postgres:5432/quixotic
+      DATABASE_SSL: false
+      TELEGRAM_BOT_TOKEN: ${TELEGRAM_BOT_TOKEN:-}
+      WEB_APP_URL: http://localhost:3000
+    volumes:
+      - downloads:/app/downloads
+      # Mount source code for hot reload (uncomment for development)
+      # - ./src:/app/src
+      # - ./public:/app/public
+    ports:
+      - "3000:3000"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    networks:
+      - quixotic
+
+volumes:
+  downloads:
+  postgres-data:
+
+networks:
+  quixotic:
+    driver: bridge

docker-compose.yml

@@ -1,40 +1,4 @@
 services:
-  # Traefik reverse proxy
-  traefik:
-    image: traefik:v3.5.1
-    container_name: quixotic-traefik
-    restart: unless-stopped
-    env_file:
-      - .env.docker
-    command:
-      - --api.dashboard=true
-      - --api.insecure=false
-      - --providers.docker=true
-      - --providers.docker.exposedbydefault=false
-      - --entrypoints.web.address=:80
-      - --entrypoints.websecure.address=:443
-      - --certificatesresolvers.letsencrypt.acme.httpchallenge=true
-      - --certificatesresolvers.letsencrypt.acme.httpchallenge.entrypoint=web
-      - --certificatesresolvers.letsencrypt.acme.email=${ACME_EMAIL:-admin@example.com}
-      - --certificatesresolvers.letsencrypt.acme.storage=/letsencrypt/acme.json
-      - --log.level=INFO
-    ports:
-      - "80:80"
-      - "443:443"
-      - "8080:8080" # Traefik dashboard
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock:ro
-      - traefik-ssl-certs:/letsencrypt
-    labels:
-      - "traefik.enable=true"
-      - "traefik.http.routers.traefik.rule=Host(`traefik.${DOMAIN:-localhost}`)"
-      - "traefik.http.routers.traefik.service=api@internal"
-      - "traefik.http.routers.traefik.middlewares=auth"
-      - "traefik.http.middlewares.auth.basicauth.users=${TRAEFIK_AUTH:-admin:$$2y$$10$$8qCUOc.FKLB8o4X8ZGVb7OU4xrslBUjOdBPtRz9wM7YJ9.XsGVzui}" # admin:password
-    networks:
-      - quixotic
-
-  # PostgreSQL database
   postgres:
     image: postgres:15-alpine
     container_name: quixotic-postgres
@@ -56,7 +20,6 @@ services:
       timeout: 5s
       retries: 5
 
-  # Main application (Python Backend)
   quixotic-app:
     build:
       context: .
@@ -66,41 +29,34 @@ services:
     env_file:
       - .env.docker
     environment:
-      PORT: 8000
+      NODE_ENV: production
-      HOST: 0.0.0.0
+      PORT: 3000
       DATABASE_URL: postgresql://${POSTGRES_USER:-quixotic}:${POSTGRES_PASSWORD:-quixotic123}@postgres:5432/${POSTGRES_DB:-quixotic}
+      DATABASE_SSL: false
     volumes:
       - downloads:/app/downloads
     labels:
       - "traefik.enable=true"
-      # HTTPS router for production domains
+      - "traefik.http.routers.quixotic.rule=Host(`${DOMAIN}`)"
-      - "traefik.http.routers.quixotic.rule=Host(`${DOMAIN:-localhost}`) && !Host(`localhost`)"
       - "traefik.http.routers.quixotic.entrypoints=websecure"
       - "traefik.http.routers.quixotic.tls.certresolver=letsencrypt"
       - "traefik.http.routers.quixotic.service=quixotic"
-      # HTTP router for localhost (no SSL)
+      - "traefik.http.services.quixotic.loadbalancer.server.port=3000"
-      - "traefik.http.routers.quixotic-http.rule=Host(`localhost`)"
+      - "traefik.docker.network=traefik-global"
-      - "traefik.http.routers.quixotic-http.entrypoints=web"
+      
-      - "traefik.http.routers.quixotic-http.service=quixotic"
-      # HTTP to HTTPS redirect only for non-localhost
-      - "traefik.http.routers.quixotic-redirect.rule=Host(`${DOMAIN:-localhost}`) && !Host(`localhost`)"
-      - "traefik.http.routers.quixotic-redirect.entrypoints=web"
-      - "traefik.http.routers.quixotic-redirect.middlewares=redirect-to-https"
-      - "traefik.http.middlewares.redirect-to-https.redirectscheme.scheme=https"
-      - "traefik.http.services.quixotic.loadbalancer.server.port=8000"
     depends_on:
-      traefik:
-        condition: service_started
       postgres:
         condition: service_healthy
     networks:
       - quixotic
+      - traefik-global
 
 volumes:
-  traefik-ssl-certs:
   downloads:
   postgres-data:
 
 networks:
   quixotic:
     driver: bridge
+  traefik-global:
+    external: true

eslint.config.mjs

@@ -0,0 +1,87 @@
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import typescriptParser from '@typescript-eslint/parser';
+
+export default [
+    {
+        ignores: ["**/dist/**", "**/node_modules/**"]
+    },
+    {
+        files: ["**/*.js"],
+        languageOptions: {
+            ecmaVersion: 2022,
+            sourceType: "commonjs",
+            globals: {
+                console: "readonly",
+                process: "readonly",
+                Buffer: "readonly",
+                __dirname: "readonly",
+                __filename: "readonly",
+                module: "readonly",
+                require: "readonly",
+                exports: "readonly",
+                global: "readonly",
+                setTimeout: "readonly",
+                clearTimeout: "readonly",
+                setInterval: "readonly",
+                clearInterval: "readonly",
+                URLSearchParams: "readonly",
+                window: "readonly",
+                document: "readonly",
+                fetch: "readonly",
+                event: "readonly"
+            }
+        },
+        rules: {
+            "indent": ["error", 4],
+            "quotes": ["error", "single"],
+            "semi": ["error", "always"],
+            "no-unused-vars": "warn",
+            "no-console": "off",
+            "no-undef": "error"
+        }
+    },
+    {
+        files: ["**/*.ts"],
+        languageOptions: {
+            parser: typescriptParser,
+            parserOptions: {
+                ecmaVersion: 2022,
+                sourceType: "module",
+                project: ["./tsconfig.json", "./tsconfig.frontend.json"]
+            },
+            globals: {
+                console: "readonly",
+                process: "readonly",
+                Buffer: "readonly",
+                __dirname: "readonly",
+                __filename: "readonly",
+                module: "readonly",
+                require: "readonly",
+                exports: "readonly",
+                global: "readonly",
+                setTimeout: "readonly",
+                clearTimeout: "readonly",
+                setInterval: "readonly",
+                clearInterval: "readonly",
+                URLSearchParams: "readonly",
+                window: "readonly",
+                document: "readonly",
+                fetch: "readonly",
+                event: "readonly"
+            }
+        },
+        plugins: {
+            "@typescript-eslint": typescriptEslint
+        },
+        rules: {
+            "indent": ["error", 4],
+            "quotes": ["error", "single"],
+            "semi": ["error", "always"],
+            "@typescript-eslint/no-unused-vars": ["warn", {
+                "argsIgnorePattern": "^_",
+                "varsIgnorePattern": "^_"
+            }],
+            "no-console": "off"
+        }
+    }
+];

main.py

@@ -1,29 +0,0 @@
-#!/usr/bin/env python3
-"""
-Quixotic Python Backend - Main Entry Point
-"""
-
-import os
-import uvicorn
-from backend.api import app
-
-def main():
-    """Main entry point"""
-    port = int(os.getenv("PORT", 8000))
-    host = os.getenv("HOST", "0.0.0.0")
-    
-    print(f"🚀 Starting Quixotic Python Backend on {host}:{port}")
-    print(f"📁 Downloads directory: {os.path.abspath('downloads')}")
-    print(f"🌐 Access URL: http://localhost:{port}")
-    
-    # Run the FastAPI app with uvicorn
-    uvicorn.run(
-        app,
-        host=host,
-        port=port,
-        log_level="info",
-        access_log=True
-    )
-
-if __name__ == "__main__":
-    main()

package.json

@@ -0,0 +1,65 @@
+{
+  "name": "quixotic",
+  "version": "1.0.0",
+  "description": "Telegram miniapp for YouTube music search and MP3 conversion",
+  "main": "dist/server.js",
+  "scripts": {
+    "build": "node scripts/generate-version.js && tsc && tsc -p tsconfig.frontend.json",
+    "build:backend": "tsc",
+    "build:frontend": "tsc -p tsconfig.frontend.json",
+    "build:prod": "node scripts/generate-version.js && yarn build && node scripts/minify.js",
+    "minify": "node scripts/minify.js",
+    "version": "node scripts/generate-version.js",
+    "start": "node dist/server.js",
+    "dev": "ts-node src/server.ts",
+    "dev:watch": "nodemon --exec ts-node src/server.ts",
+    "dev:bg": "nohup ts-node src/server.ts > server.log 2>&1 & echo $! > server.pid && echo 'Server started in background, PID saved to server.pid'",
+    "stop": "if [ -f server.pid ]; then kill $(cat server.pid) && rm server.pid && echo 'Server stopped'; else echo 'No PID file found'; fi",
+    "logs": "tail -f server.log",
+    "lint": "eslint src/ public/ --ext .ts,.js",
+    "lint:fix": "eslint src/ public/ --ext .ts,.js --fix",
+    "validate": "yarn lint && yarn build && echo '✅ All checks passed!'",
+    "pretest": "yarn validate",
+    "docker:build": "docker-compose build",
+    "docker:up": "docker-compose up -d",
+    "docker:down": "docker-compose down",
+    "docker:logs": "docker-compose logs -f",
+    "docker:restart": "docker-compose restart",
+    "docker:rebuild": "docker-compose down && docker-compose build --no-cache && docker-compose up -d",
+    "docker:dev": "docker-compose up --build",
+    "docker:prod": "docker-compose -f docker-compose.yml -f docker-compose.prod.yml up -d",
+    "docker:prod:down": "docker-compose -f docker-compose.yml -f docker-compose.prod.yml down"
+  },
+  "packageManager": "yarn@1.22.19",
+  "dependencies": {
+    "compression": "^1.8.1",
+    "express": "^4.18.2",
+    "fluent-ffmpeg": "^2.1.2",
+    "node-telegram-bot-api": "^0.64.0",
+    "pg": "^8.11.3",
+    "soundcloud-downloader": "^1.0.0",
+    "winston": "^3.18.3"
+  },
+  "devDependencies": {
+    "@types/compression": "^1.8.1",
+    "@types/express": "^5.0.3",
+    "@types/fluent-ffmpeg": "^2.1.27",
+    "@types/node": "^24.10.0",
+    "@types/node-telegram-bot-api": "^0.64.10",
+    "@types/pg": "^8.15.5",
+    "@typescript-eslint/eslint-plugin": "^8.41.0",
+    "@typescript-eslint/parser": "^8.41.0",
+    "eslint": "^9.34.0",
+    "html-minifier-terser": "^7.2.0",
+    "nodemon": "^3.0.2",
+    "terser": "^5.44.1",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.9.2"
+  },
+  "engines": {
+    "node": ">=16.0.0"
+  },
+  "resolutions": {
+    "axios": ">=0.30.0"
+  }
+}

public/index.html

@@ -2,20 +2,83 @@
 <html lang="ru">
 <head>
     <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, initial-scale=1.0, maximum-scale=1.0">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0">
-    <title>Quixotic Music</title>
+    <title>Quixotic Music - Поиск и скачивание музыки</title>
-    <meta name="theme-color" content="#007AFF">
+    <meta name="description" content="Удобный сервис для поиска и скачивания музыки. Найдите любимые треки по названию песни или исполнителю.">
-    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="keywords" content="музыка, поиск музыки, скачать музыку, mp3, треки, песни, исполнители">
-    <meta name="apple-mobile-web-app-status-bar-style" content="default">
+    <meta name="author" content="Quixotic Music">
+    <meta name="robots" content="index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1">
+    
+    <!-- Canonical URL -->
+    <link rel="canonical" href="https://music.quixy.uk/">
+    
+    <!-- Cache Control for iOS -->
     <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
     <meta http-equiv="Pragma" content="no-cache">
     <meta http-equiv="Expires" content="0">
     
-    <link rel="stylesheet" href="style.css">
+    <!-- Theme & App -->
-    <script src="https://telegram.org/js/telegram-web-app.js"></script>
+    <meta name="theme-color" content="#007AFF">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="default">
+    <meta name="apple-mobile-web-app-title" content="Quixotic Music">
+    <meta name="application-name" content="Quixotic Music">
+    <meta name="mobile-web-app-capable" content="yes">
+    
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://music.quixy.uk/">
+    <meta property="og:title" content="Quixotic Music - Поиск и скачивание музыки">
+    <meta property="og:description" content="Удобный сервис для поиска и скачивания музыки. Найдите любимые треки по названию песни или исполнителю.">
+    <meta property="og:site_name" content="Quixotic Music">
+    <meta property="og:locale" content="ru_RU">
+    <meta property="og:locale:alternate" content="en_US">
+    
+    <!-- Twitter -->
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:title" content="Quixotic Music - Поиск и скачивание музыки">
+    <meta name="twitter:description" content="Удобный сервис для поиска и скачивания музыки. Найдите любимые треки по названию песни или исполнителю.">
+    <meta name="twitter:creator" content="@quixotic">
+    
+    <!-- Telegram -->
+    <meta property="telegram:channel" content="@quixotic">
+    
+    <!-- Apple Touch Icons -->
+    <link rel="apple-touch-icon" sizes="180x180" href="/favicon.ico">
+    
+    <!-- PWA Manifest -->
+    <link rel="manifest" href="/manifest.json">
+    
+    <!-- Structured Data (JSON-LD) - минифицирован -->
+    <script type="application/ld+json">{"@context":"https://schema.org","@type":"WebApplication","name":"Quixotic Music","description":"Удобный сервис для поиска и скачивания музыки","url":"https://music.quixy.uk/","applicationCategory":"MultimediaApplication","operatingSystem":"Any","offers":{"@type":"Offer","price":"0","priceCurrency":"USD"}}</script>
+    
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <link rel="icon" type="image/x-icon" href="/favicon.ico">
+    
+    <!-- Preconnect to external resources -->
+    <link rel="preconnect" href="https://telegram.org" crossorigin>
+    <link rel="dns-prefetch" href="https://telegram.org">
+    
+    <!-- Critical CSS - inline the most important styles -->
+    <style>
+        :root{--tg-color-bg:var(--tg-theme-bg-color,#fff);--tg-color-secondary-bg:var(--tg-theme-secondary-bg-color,#f1f1f1);--tg-color-section-bg:var(--tg-theme-section-bg-color,#fff);--tg-color-text:var(--tg-theme-text-color,#000);--tg-color-hint:var(--tg-theme-hint-color,#999);--tg-color-button:var(--tg-theme-button-color,#007aff);--tg-color-button-text:var(--tg-theme-button-text-color,#fff);--tg-border-radius:12px;--tg-spacing-lg:16px;--tg-spacing-xl:20px;--tg-spacing-xxl:24px;--tg-font-size-md:16px;--tg-font-size-lg:17px;--tg-font-size-xl:20px;--tg-line-height-normal:1.4;--tg-line-height-relaxed:1.6}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;-webkit-font-smoothing:antialiased}body{background:var(--tg-color-bg);color:var(--tg-color-text);font-size:var(--tg-font-size-md);line-height:var(--tg-line-height-normal);overflow-x:hidden}.tg-root{min-height:100vh;display:flex;flex-direction:column}.tg-content{flex:1;padding:var(--tg-spacing-lg);padding-bottom:100px;display:flex;flex-direction:column;gap:var(--tg-spacing-xl)}.tg-placeholder{text-align:center;padding:var(--tg-spacing-xxl) var(--tg-spacing-lg);max-width:300px;margin:0 auto}.tg-placeholder__icon{font-size:48px;margin-bottom:var(--tg-spacing-lg);opacity:.6}.tg-placeholder__title{font-size:var(--tg-font-size-xl);font-weight:600;margin-bottom:8px}.tg-placeholder__description{font-size:14px;color:var(--tg-color-hint);line-height:var(--tg-line-height-relaxed)}.tg-hidden{display:none!important}.tg-form{position:fixed;bottom:0;left:0;right:0;padding:var(--tg-spacing-lg);background:var(--tg-color-bg);border-top:1px solid var(--tg-color-secondary-bg);z-index:100}.tg-input-wrapper{position:relative}.tg-input{width:100%;height:48px;padding:0 var(--tg-spacing-lg);background:var(--tg-color-section-bg);border:2px solid var(--tg-color-secondary-bg);border-radius:var(--tg-border-radius);font-size:var(--tg-font-size-lg);color:var(--tg-color-text);transition:border-color .2s;outline:0}.tg-input::placeholder{color:var(--tg-color-hint)}.tg-input:focus{border-color:var(--tg-color-button)}
+    </style>
+    
+    <!-- Load full CSS asynchronously with fallback -->
+    <link rel="stylesheet" href="style.css?v=VERSION" media="print" onload="this.media='all';this.onload=null">
+    <noscript><link rel="stylesheet" href="style.css?v=VERSION"></noscript>
+    
+    <!-- Load Telegram script asynchronously (defer) -->
+    <script src="https://telegram.org/js/telegram-web-app.js" defer></script>
 </head>
 <body>
     <div class="tg-root">
+        <div class="tg-pull-indicator" id="pullIndicator">
+            <svg width="24" height="24" viewBox="0 0 24 24" fill="none" class="tg-pull-indicator__icon">
+                <path d="M12 5v14M5 12l7 7 7-7" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
+            </svg>
+            <span class="tg-pull-indicator__text">Обновить</span>
+        </div>
         <div class="tg-content">
             <div class="tg-placeholder" id="welcomePlaceholder">
                 <div class="tg-placeholder__icon">🎵</div>
@@ -28,6 +91,89 @@
                 <div class="tg-spinner__text">Поиск музыки...</div>
             </div>
 
+            <div class="tg-skeleton-list tg-hidden" id="skeletonList">
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+                <div class="tg-skeleton-item">
+                    <div class="tg-skeleton-thumbnail"></div>
+                    <div class="tg-skeleton-text">
+                        <div class="tg-skeleton-line"></div>
+                        <div class="tg-skeleton-line tg-skeleton-line--short"></div>
+                    </div>
+                </div>
+            </div>
+
+            <div class="tg-recent-searches tg-hidden" id="recentSearches">
+                <div class="tg-recent-searches__header">
+                    <span class="tg-recent-searches__title">Недавние поиски</span>
+                    <button class="tg-recent-searches__clear" id="clearRecentBtn" type="button">Очистить</button>
+                </div>
+                <div class="tg-recent-searches__list" id="recentSearchesList">
+                    <!-- Recent searches will be populated here -->
+                </div>
+            </div>
+
             <div class="tg-list tg-hidden" id="results">
                 <!-- Search results will appear here -->
             </div>
@@ -45,12 +191,18 @@
                            id="searchInput" 
                            placeholder="Название песни или исполнитель..." 
                            autocomplete="off">
-                    <button class="tg-input-clear" id="clearButton" style="display: none;" type="button">✕</button>
+                    <button class="tg-input-clear tg-hidden" id="clearButton" type="button" aria-label="Очистить поиск">
+                        <svg width="20" height="20" viewBox="0 0 20 20" fill="none">
+                            <path d="M15 5L5 15M5 5L15 15" stroke="currentColor" 
+                                  stroke-width="2" stroke-linecap="round"/>
+                        </svg>
+                    </button>
                 </div>
             </div>
         </div>
     </div>
 
-    <script src="dist/script.js?v=2"></script>
+    <!-- Load app script with defer for better performance -->
+    <script src="dist/script.js?v=VERSION" defer></script>
 </body>
 </html>

public/manifest.json

@@ -0,0 +1,22 @@
+{
+  "name": "Quixotic Music",
+  "short_name": "Quixotic",
+  "description": "Удобный сервис для поиска и скачивания музыки",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "theme_color": "#007AFF",
+  "orientation": "portrait",
+  "icons": [
+    {
+      "src": "/favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    }
+  ],
+  "categories": ["music", "entertainment"],
+  "lang": "ru",
+  "dir": "ltr",
+  "scope": "/",
+  "prefer_related_applications": false
+}

public/robots.txt

@@ -1,12 +1,6 @@
-# Allow search engines
+# Allow all search engines and bots
-User-agent: Googlebot
-Allow: /
-
-User-agent: Bingbot
-Allow: /
-
-User-agent: Yandexbot
-Allow: /
-
 User-agent: *
-Disallow: /
+Allow: /
+
+# Sitemap
+Sitemap: https://music.quixy.uk/sitemap.xml

public/sitemap.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+        xmlns:xhtml="http://www.w3.org/1999/xhtml">
+    <url>
+        <loc>https://music.quixy.uk/</loc>
+        <lastmod>2025-11-07</lastmod>
+        <changefreq>daily</changefreq>
+        <priority>1.0</priority>
+    </url>
+</urlset>

public/style.css

@@ -22,13 +22,24 @@
   --tg-spacing-xl: 20px;
   --tg-spacing-xxl: 24px;
   
-  /* Typography */
+  /* Typography - Refined type scale (Major Third - 1.25) */
   --tg-font-size-xs: 12px;
   --tg-font-size-sm: 14px;
-  --tg-font-size-md: 16px;
+  --tg-font-size-md: 16px;    /* base */
-  --tg-font-size-lg: 17px;
+  --tg-font-size-lg: 18px;    /* 16 * 1.125 ≈ 18 */
-  --tg-font-size-xl: 20px;
+  --tg-font-size-xl: 22px;    /* 18 * 1.222 ≈ 22 */
-  --tg-font-size-xxl: 28px;
+  --tg-font-size-xxl: 28px;   /* 22 * 1.273 ≈ 28 */
+  
+  /* Font weights */
+  --tg-font-weight-regular: 400;
+  --tg-font-weight-medium: 500;
+  --tg-font-weight-semibold: 600;
+  --tg-font-weight-bold: 700;
+  
+  /* Letter spacing for improved readability */
+  --tg-letter-spacing-tight: -0.01em;
+  --tg-letter-spacing-normal: 0;
+  --tg-letter-spacing-wide: 0.01em;
   
   --tg-line-height-tight: 1.2;
   --tg-line-height-normal: 1.4;
@@ -71,6 +82,52 @@ body {
   display: flex;
   flex-direction: column;
   gap: var(--tg-spacing-xl);
+  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.tg-content.tg-pulling {
+  transition: none;
+}
+
+/* Pull-to-refresh indicator */
+.tg-pull-indicator {
+  position: fixed;
+  top: -60px;
+  left: 50%;
+  transform: translateX(-50%);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: var(--tg-spacing-xs);
+  opacity: 0;
+  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  z-index: 50;
+  pointer-events: none;
+}
+
+.tg-content.tg-pulling .tg-pull-indicator {
+  opacity: 1;
+  top: 20px;
+}
+
+.tg-pull-indicator__icon {
+  color: var(--tg-color-button);
+  transition: transform 0.3s ease;
+}
+
+.tg-content.tg-pulling .tg-pull-indicator__icon {
+  animation: pullRotate 0.6s ease-in-out infinite;
+}
+
+.tg-pull-indicator__text {
+  font-size: var(--tg-font-size-sm);
+  color: var(--tg-color-hint);
+  font-weight: var(--tg-font-weight-medium);
+}
+
+@keyframes pullRotate {
+  0%, 100% { transform: rotate(0deg); }
+  50% { transform: rotate(180deg); }
 }
 
 /* Form components */
@@ -93,6 +150,7 @@ body {
   width: 100%;
   height: 48px;
   padding: 0 var(--tg-spacing-lg);
+  padding-right: 48px; /* Make room for clear button */
   background: var(--tg-color-section-bg);
   border: 2px solid var(--tg-color-secondary-bg);
   border-radius: var(--tg-border-radius);
@@ -113,31 +171,29 @@ body {
 
 .tg-input-clear {
   position: absolute;
-  right: var(--tg-spacing-sm);
+  right: 12px;
   top: 50%;
   transform: translateY(-50%);
-  width: 32px;
+  background: none;
-  height: 32px;
-  background: var(--tg-color-hint);
   border: none;
-  border-radius: 50%;
+  color: var(--tg-color-hint);
-  color: var(--tg-color-bg);
+  padding: 8px;
-  font-size: var(--tg-font-size-sm);
   cursor: pointer;
-  transition: all 0.2s ease;
   display: flex;
   align-items: center;
   justify-content: center;
-  opacity: 0.6;
+  border-radius: 50%;
+  transition: all 0.2s ease;
+  -webkit-tap-highlight-color: transparent;
 }
 
 .tg-input-clear:hover {
-  background: var(--tg-color-destructive);
+  background: var(--tg-color-secondary-bg);
-  opacity: 1;
+  color: var(--tg-color-text);
 }
 
 .tg-input-clear:active {
-  transform: translateY(-50%) scale(0.95);
+  transform: translateY(-50%) scale(0.9);
 }
 
 /* Button components */
@@ -150,7 +206,7 @@ body {
   border: none;
   border-radius: var(--tg-border-radius);
   font-family: inherit;
-  font-weight: 500;
+  font-weight: var(--tg-font-weight-medium);
   cursor: pointer;
   transition: all 0.2s ease;
   outline: none;
@@ -207,7 +263,8 @@ body {
 
 .tg-placeholder__title {
   font-size: var(--tg-font-size-xl);
-  font-weight: 600;
+  font-weight: var(--tg-font-weight-semibold);
+  letter-spacing: var(--tg-letter-spacing-tight);
   color: var(--tg-color-text);
   margin-bottom: var(--tg-spacing-sm);
 }
@@ -232,25 +289,29 @@ body {
   padding: var(--tg-spacing-xxl);
   display: none;
   z-index: 10;
+  opacity: 0;
+  transition: opacity 0.15s ease-in;
 }
 
 .tg-spinner.tg-spinner--visible {
   display: block;
+  animation: tg-fade-in 0.15s ease-in forwards;
 }
 
 .tg-spinner__icon {
-  width: 32px;
+  width: 40px;
-  height: 32px;
+  height: 40px;
-  border: 2px solid var(--tg-color-secondary-bg);
+  border: 3px solid var(--tg-color-secondary-bg);
-  border-top: 2px solid var(--tg-color-button);
+  border-top: 3px solid var(--tg-color-button);
   border-radius: 50%;
   margin: 0 auto var(--tg-spacing-lg);
-  animation: tg-spin 1s linear infinite;
+  animation: tg-spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
 }
 
 .tg-spinner__text {
   font-size: var(--tg-font-size-sm);
   color: var(--tg-color-hint);
+  font-weight: var(--tg-font-weight-medium);
 }
 
 @keyframes tg-spin {
@@ -258,6 +319,77 @@ body {
   100% { transform: rotate(360deg); }
 }
 
+@keyframes tg-fade-in {
+  from {
+    opacity: 0;
+    transform: translate(-50%, -45%);
+  }
+  to {
+    opacity: 1;
+    transform: translate(-50%, -50%);
+  }
+}
+
+/* Skeleton loading screens */
+.tg-skeleton-list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--tg-spacing-xs);
+}
+
+.tg-skeleton-list.tg-hidden {
+  display: none;
+}
+
+.tg-skeleton-item {
+  display: flex;
+  gap: var(--tg-spacing-md);
+  padding: var(--tg-spacing-md);
+  background: var(--tg-color-section-bg);
+  border-radius: var(--tg-border-radius);
+}
+
+.tg-skeleton-thumbnail {
+  width: 80px;
+  height: 60px;
+  background: linear-gradient(90deg, 
+    var(--tg-color-secondary-bg) 25%, 
+    var(--tg-color-hint) 50%, 
+    var(--tg-color-secondary-bg) 75%);
+  background-size: 200% 100%;
+  animation: shimmer 1.5s infinite;
+  border-radius: var(--tg-border-radius-small);
+  flex-shrink: 0;
+}
+
+.tg-skeleton-text {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  gap: var(--tg-spacing-sm);
+}
+
+.tg-skeleton-line {
+  height: 16px;
+  background: linear-gradient(90deg, 
+    var(--tg-color-secondary-bg) 25%, 
+    var(--tg-color-hint) 50%, 
+    var(--tg-color-secondary-bg) 75%);
+  background-size: 200% 100%;
+  animation: shimmer 1.5s infinite;
+  border-radius: 4px;
+}
+
+.tg-skeleton-line--short {
+  width: 60%;
+}
+
+@keyframes shimmer {
+  0% { background-position: 200% 0; }
+  100% { background-position: -200% 0; }
+}
+
 /* List component */
 .tg-list {
   display: none;
@@ -278,6 +410,32 @@ body {
   user-select: none;
   -webkit-tap-highlight-color: transparent;
   position: relative;
+  opacity: 0;
+  animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
+}
+
+/* Staggered animation delays for first 20 items */
+.tg-list-item:nth-child(1) { animation-delay: 0.05s; }
+.tg-list-item:nth-child(2) { animation-delay: 0.08s; }
+.tg-list-item:nth-child(3) { animation-delay: 0.11s; }
+.tg-list-item:nth-child(4) { animation-delay: 0.14s; }
+.tg-list-item:nth-child(5) { animation-delay: 0.17s; }
+.tg-list-item:nth-child(6) { animation-delay: 0.20s; }
+.tg-list-item:nth-child(7) { animation-delay: 0.23s; }
+.tg-list-item:nth-child(8) { animation-delay: 0.26s; }
+.tg-list-item:nth-child(9) { animation-delay: 0.29s; }
+.tg-list-item:nth-child(10) { animation-delay: 0.32s; }
+.tg-list-item:nth-child(n+11) { animation-delay: 0.35s; }
+
+@keyframes fadeInUp {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
 }
 
 /* Hover effects for desktop */
@@ -327,6 +485,34 @@ body {
   image-rendering: optimizeQuality;
 }
 
+.tg-list-item__play-btn {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  background: none;
+  border: none;
+  cursor: pointer;
+  padding: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  opacity: 0;
+  transition: opacity 0.2s ease;
+  z-index: 2;
+}
+
+.tg-list-item__media:hover .tg-list-item__play-btn,
+.tg-list-item--playing .tg-list-item__play-btn {
+  opacity: 1;
+}
+
+@media (hover: none) {
+  .tg-list-item__play-btn {
+    opacity: 1;
+  }
+}
+
 .tg-list-item__duration {
   position: absolute;
   bottom: 2px;
@@ -336,7 +522,7 @@ body {
   font-size: var(--tg-font-size-xs);
   padding: 2px 4px;
   border-radius: 4px;
-  font-weight: 500;
+  font-weight: var(--tg-font-weight-medium);
 }
 
 .tg-list-item__info {
@@ -346,12 +532,14 @@ body {
 
 .tg-list-item__title {
   font-size: var(--tg-font-size-md);
-  font-weight: 500;
+  font-weight: var(--tg-font-weight-medium);
+  letter-spacing: var(--tg-letter-spacing-tight);
   color: var(--tg-color-text);
-  line-height: var(--tg-line-height-tight);
+  line-height: 1.3; /* Улучшенный line-height для многострочных заголовков */
   margin-bottom: var(--tg-spacing-xs);
   display: -webkit-box;
   -webkit-line-clamp: 2;
+  line-clamp: 2;
   -webkit-box-orient: vertical;
   overflow: hidden;
 }
@@ -385,22 +573,109 @@ body {
   animation: tg-spin 1s linear infinite;
 }
 
+/* Conversion progress bar */
+.tg-conversion-progress {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  padding: var(--tg-spacing-xs);
+  background: rgba(0, 0, 0, 0.05);
+  z-index: 10;
+}
+
+.tg-conversion-progress__bar {
+  height: 4px;
+  background: var(--tg-color-secondary-bg);
+  border-radius: 2px;
+  overflow: hidden;
+}
+
+.tg-conversion-progress__fill {
+  height: 100%;
+  background: var(--tg-color-button);
+  transition: width 0.3s ease;
+  border-radius: 2px;
+  width: 0;
+}
+
+.tg-conversion-progress__text {
+  font-size: var(--tg-font-size-xs);
+  color: var(--tg-color-hint);
+  text-align: center;
+  margin-top: 4px;
+}
+
+/* Audio player */
+.tg-audio-player {
+  padding: var(--tg-spacing-sm) var(--tg-spacing-md);
+  background: var(--tg-color-secondary-bg);
+  border-top: 1px solid rgba(0, 0, 0, 0.05);
+}
+
+.tg-audio-player__progress {
+  display: flex;
+  flex-direction: column;
+  gap: var(--tg-spacing-xs);
+}
+
+.tg-audio-player__progress-bar {
+  height: 4px;
+  background: rgba(0, 0, 0, 0.1);
+  border-radius: 2px;
+  overflow: hidden;
+  cursor: pointer;
+}
+
+.tg-audio-player__progress-fill {
+  height: 100%;
+  background: var(--tg-color-button);
+  width: 0%;
+  transition: width 0.1s linear;
+  border-radius: 2px;
+}
+
+.tg-audio-player__time {
+  display: flex;
+  justify-content: space-between;
+  font-size: var(--tg-font-size-xs);
+  color: var(--tg-color-hint);
+  font-variant-numeric: tabular-nums;
+}
+
+.tg-list-item--loading-preview {
+  opacity: 0.7;
+  pointer-events: none;
+}
+
 /* Status message */
 .tg-status-message {
   position: fixed;
-  top: 20px;
+  top: 12px;
-  left: var(--tg-spacing-lg);
+  left: var(--tg-spacing-md);
-  right: var(--tg-spacing-lg);
+  right: var(--tg-spacing-md);
   z-index: 1000;
-  padding: var(--tg-spacing-md) var(--tg-spacing-lg);
+  padding: 10px 14px;
-  border-radius: var(--tg-border-radius);
+  border-radius: 10px;
-  font-size: var(--tg-font-size-sm);
+  font-size: 13px;
-  font-weight: 500;
+  font-weight: var(--tg-font-weight-medium);
   animation: tg-slide-down 0.3s ease-out;
   display: flex;
   align-items: center;
-  gap: var(--tg-spacing-sm);
+  gap: 8px;
-  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.15);
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2), 0 2px 6px rgba(0, 0, 0, 0.12);
+  max-width: 320px;
+  margin: 0 auto;
+  cursor: pointer;
+  transition: opacity 0.3s ease, transform 0.3s ease;
+}
+
+.tg-status-message:active {
+  transform: scale(0.98);
+}
+
+.tg-status-message--hiding {
+  animation: tg-fade-out 0.3s ease-out forwards;
 }
 
 .tg-status-message--success {
@@ -421,10 +696,16 @@ body {
   color: #ffffff;
 }
 
+.tg-status-message--warning {
+  background: #ff9500;
+  border: 1px solid #e68500;
+  color: #ffffff;
+}
+
 @keyframes tg-slide-down {
   from {
     opacity: 0;
-    transform: translateY(-20px);
+    transform: translateY(-12px);
   }
 
   to {
@@ -433,6 +714,168 @@ body {
   }
 }
 
+@keyframes tg-fade-out {
+  from {
+    opacity: 1;
+    transform: translateY(0);
+  }
+
+  to {
+    opacity: 0;
+    transform: translateY(-12px);
+  }
+}
+
+/* Update notification */
+.tg-update-notification {
+  position: fixed;
+  top: var(--tg-spacing-lg);
+  left: var(--tg-spacing-lg);
+  right: var(--tg-spacing-lg);
+  z-index: 1000;
+  animation: tg-slide-down 0.3s ease-out;
+}
+
+.tg-update-notification__content {
+  background: var(--tg-color-button);
+  color: var(--tg-color-button-text);
+  padding: var(--tg-spacing-md) var(--tg-spacing-lg);
+  border-radius: var(--tg-border-radius);
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  font-weight: var(--tg-font-weight-medium);
+}
+
+.tg-update-notification__button {
+  background: rgba(255, 255, 255, 0.2);
+  color: var(--tg-color-button-text);
+  border: none;
+  padding: var(--tg-spacing-sm) var(--tg-spacing-lg);
+  border-radius: var(--tg-border-radius-small);
+  font-size: var(--tg-font-size-sm);
+  font-weight: var(--tg-font-weight-semibold);
+  cursor: pointer;
+  transition: background 0.2s ease;
+  -webkit-tap-highlight-color: transparent;
+}
+
+.tg-update-notification__button:active {
+  background: rgba(255, 255, 255, 0.3);
+}
+
+/* Recent Searches */
+.tg-recent-searches {
+  margin-bottom: var(--tg-spacing-lg);
+  animation: tg-fade-in 0.3s ease-out;
+}
+
+.tg-recent-searches__header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: var(--tg-spacing-sm);
+  font-size: var(--tg-font-size-sm);
+  color: var(--tg-color-hint);
+  padding: 0 var(--tg-spacing-xs);
+}
+
+.tg-recent-searches__title {
+  font-weight: var(--tg-font-weight-medium);
+}
+
+.tg-recent-searches__clear {
+  background: none;
+  border: none;
+  color: var(--tg-color-link);
+  cursor: pointer;
+  padding: 4px 8px;
+  font-size: var(--tg-font-size-sm);
+  font-weight: var(--tg-font-weight-medium);
+  border-radius: 4px;
+  transition: background 0.2s ease;
+  -webkit-tap-highlight-color: transparent;
+}
+
+.tg-recent-searches__clear:hover {
+  background: var(--tg-color-secondary-bg);
+}
+
+.tg-recent-searches__clear:active {
+  transform: scale(0.95);
+}
+
+.tg-recent-searches__list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--tg-spacing-xs);
+}
+
+.tg-recent-search-item {
+  display: flex;
+  align-items: center;
+  gap: var(--tg-spacing-sm);
+  padding: var(--tg-spacing-sm) var(--tg-spacing-md);
+  background: var(--tg-color-section-bg);
+  border: none;
+  border-radius: var(--tg-border-radius);
+  width: 100%;
+  text-align: left;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  font-size: var(--tg-font-size-md);
+  color: var(--tg-color-text);
+  -webkit-tap-highlight-color: transparent;
+}
+
+.tg-recent-search-item svg {
+  flex-shrink: 0;
+  color: var(--tg-color-hint);
+}
+
+.tg-recent-search-item span {
+  flex: 1;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+@media (hover: hover) and (pointer: fine) {
+  .tg-recent-search-item:hover {
+    background: var(--tg-color-secondary-bg);
+    transform: translateX(2px);
+  }
+}
+
+.tg-recent-search-item:active {
+  background: var(--tg-color-secondary-bg);
+  transform: scale(0.98);
+}
+
+/* Loading More indicator */
+.tg-loading-more {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: var(--tg-spacing-sm);
+  padding: var(--tg-spacing-lg);
+  color: var(--tg-color-hint);
+  font-size: var(--tg-font-size-sm);
+}
+
+.tg-loading-more .tg-spinner__icon {
+  width: 20px;
+  height: 20px;
+  border-width: 2px;
+  margin: 0;
+}
+
+#scroll-sentinel {
+  height: 1px;
+  visibility: hidden;
+}
+
 /* Utility classes */
 .tg-hidden {
   display: none !important;
@@ -493,6 +936,7 @@ body {
     text-align: left;
     font-size: var(--tg-font-size-sm);
     -webkit-line-clamp: 1;
+    line-clamp: 1;
   }
   
   .tg-list-item__subtitle {

requirements.txt

@@ -1,13 +0,0 @@
-fastapi==0.104.1
-uvicorn[standard]==0.24.0
-sqlalchemy==2.0.23
-psycopg2-binary==2.9.9
-python-telegram-bot==20.7
-aiofiles==23.2.1
-python-multipart==0.0.6
-pydantic==2.5.0
-httpx==0.25.2
-
-vk-api==11.9.9
-requests==2.31.0
-beautifulsoup4==4.12.2

scripts/generate-version.js

@@ -0,0 +1,46 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+function generateVersion() {
+    const timestamp = Date.now();
+    const date = new Date().toISOString();
+    
+    let gitHash = null;
+    let gitBranch = null;
+    
+    try {
+        gitHash = execSync('git rev-parse --short HEAD', { encoding: 'utf8' }).trim();
+        gitBranch = execSync('git rev-parse --abbrev-ref HEAD', { encoding: 'utf8' }).trim();
+    } catch (e) {
+        console.warn('Warning: Could not get git info');
+    }
+    
+    const version = {
+        timestamp,
+        date,
+        version: gitHash ? `${timestamp}-${gitHash}` : timestamp.toString(),
+        gitHash,
+        gitBranch,
+        buildDate: date
+    };
+    
+    const outputPath = path.join(__dirname, '../public/version.json');
+    fs.writeFileSync(outputPath, JSON.stringify(version, null, 2));
+    
+    console.log('✅ Version file generated:', version.version);
+    console.log(`   Date: ${date}`);
+    if (gitHash) {
+        console.log(`   Git: ${gitHash} (${gitBranch})`);
+    }
+    
+    return version;
+}
+
+if (require.main === module) {
+    generateVersion();
+}
+
+module.exports = { generateVersion };

scripts/minify.js

@@ -0,0 +1,127 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+const { minify } = require('terser');
+const { minify: minifyHtml } = require('html-minifier-terser');
+
+const publicDir = path.join(__dirname, '..', 'public');
+const distDir = path.join(publicDir, 'dist');
+
+async function minifyJavaScript() {
+    console.log('🔧 Minifying JavaScript...');
+    
+    const jsFile = path.join(distDir, 'script.js');
+    
+    if (!fs.existsSync(jsFile)) {
+        console.error('❌ script.js not found. Run build first.');
+        process.exit(1);
+    }
+    
+    const code = fs.readFileSync(jsFile, 'utf8');
+    
+    const result = await minify(code, {
+        compress: {
+            dead_code: true,
+            drop_console: false, // Keep console for debugging
+            drop_debugger: true,
+            keep_classnames: true,
+            keep_fnames: false,
+            passes: 2
+        },
+        mangle: {
+            keep_classnames: true,
+            keep_fnames: false
+        },
+        format: {
+            comments: false
+        },
+        sourceMap: {
+            filename: 'script.js',
+            url: 'script.js.map'
+        }
+    });
+    
+    if (result.code) {
+        fs.writeFileSync(jsFile, result.code);
+        if (result.map) {
+            fs.writeFileSync(jsFile + '.map', result.map);
+        }
+        
+        const originalSize = Buffer.byteLength(code, 'utf8');
+        const minifiedSize = Buffer.byteLength(result.code, 'utf8');
+        const savings = ((1 - minifiedSize / originalSize) * 100).toFixed(1);
+        
+        console.log(`✅ JavaScript minified: ${originalSize} → ${minifiedSize} bytes (${savings}% reduction)`);
+    } else {
+        console.error('❌ Minification failed');
+        process.exit(1);
+    }
+}
+
+async function minifyHTML() {
+    console.log('🔧 Minifying HTML...');
+    
+    const htmlFile = path.join(publicDir, 'index.html');
+    
+    if (!fs.existsSync(htmlFile)) {
+        console.error('❌ index.html not found');
+        return;
+    }
+    
+    const html = fs.readFileSync(htmlFile, 'utf8');
+    
+    const minified = await minifyHtml(html, {
+        collapseWhitespace: true,
+        removeComments: true,
+        removeRedundantAttributes: true,
+        removeScriptTypeAttributes: true,
+        removeStyleLinkTypeAttributes: true,
+        useShortDoctype: true,
+        minifyCSS: true,
+        minifyJS: false, // Don't minify inline JS (we handle it separately)
+        keepClosingSlash: true
+    });
+    
+    const originalSize = Buffer.byteLength(html, 'utf8');
+    const minifiedSize = Buffer.byteLength(minified, 'utf8');
+    const savings = ((1 - minifiedSize / originalSize) * 100).toFixed(1);
+    
+    // Save to dist folder
+    fs.writeFileSync(path.join(publicDir, 'index.min.html'), minified);
+    
+    console.log(`✅ HTML minified: ${originalSize} → ${minifiedSize} bytes (${savings}% reduction)`);
+}
+
+async function minifyCSS() {
+    console.log('🔧 Checking CSS...');
+    
+    const cssFile = path.join(publicDir, 'style.css');
+    
+    if (!fs.existsSync(cssFile)) {
+        console.log('ℹ️  No CSS file to minify');
+        return;
+    }
+    
+    const css = fs.readFileSync(cssFile, 'utf8');
+    const originalSize = Buffer.byteLength(css, 'utf8');
+    
+    console.log(`ℹ️  CSS size: ${originalSize} bytes (already optimized)`);
+}
+
+async function main() {
+    console.log('🚀 Starting minification process...\n');
+    
+    try {
+        await minifyJavaScript();
+        await minifyHTML();
+        await minifyCSS();
+        
+        console.log('\n✨ All files minified successfully!');
+    } catch (error) {
+        console.error('❌ Minification error:', error);
+        process.exit(1);
+    }
+}
+
+main();

setup.py

@@ -1,91 +0,0 @@
-#!/usr/bin/env python3
-"""
-Setup script for Quixotic Python Backend
-"""
-
-import os
-import sys
-import subprocess
-
-def run_command(cmd, description):
-    """Run a command and handle errors"""
-    print(f"📦 {description}...")
-    try:
-        subprocess.run(cmd, shell=True, check=True)
-        print(f"✅ {description} completed successfully")
-    except subprocess.CalledProcessError as e:
-        print(f"❌ {description} failed: {e}")
-        return False
-    return True
-
-def main():
-    """Main setup function"""
-    print("🚀 Setting up Quixotic Python Backend...")
-    
-    # Check Python version
-    if sys.version_info < (3, 8):
-        print("❌ Python 3.8 or higher is required")
-        return False
-    
-    print(f"✅ Python {sys.version.split()[0]} detected")
-    
-    # Create virtual environment if it doesn't exist
-    if not os.path.exists("venv"):
-        if not run_command("python -m venv venv", "Creating virtual environment"):
-            return False
-    
-    # Activate virtual environment and install dependencies
-    if os.name == 'nt':  # Windows
-        activate_cmd = "venv\\Scripts\\activate && "
-    else:  # Unix/Linux/Mac
-        activate_cmd = "source venv/bin/activate && "
-    
-    if not run_command(f"{activate_cmd}pip install -r requirements.txt", "Installing Python dependencies"):
-        return False
-    
-    # Create necessary directories
-    directories = ["downloads", "database"]
-    for directory in directories:
-        if not os.path.exists(directory):
-            os.makedirs(directory)
-            print(f"📁 Created directory: {directory}")
-    
-    # Check for environment variables
-    print("\n🔧 Environment Setup:")
-    required_vars = [
-        ("DATABASE_URL", "postgresql://user:password@localhost:5432/quixotic"),
-        ("VK_LOGIN", "your_vk_login"),
-        ("VK_PASSWORD", "your_vk_password"),
-        ("TELEGRAM_BOT_TOKEN", "your_telegram_bot_token"),
-        ("WEB_APP_URL", "http://localhost:8000")
-    ]
-    
-    env_file_content = []
-    
-    for var_name, example in required_vars:
-        if not os.getenv(var_name):
-            print(f"⚠️  {var_name} not set (example: {example})")
-            env_file_content.append(f"{var_name}={example}")
-        else:
-            print(f"✅ {var_name} is configured")
-    
-    # Create .env file if needed
-    if env_file_content and not os.path.exists(".env"):
-        with open(".env", "w") as f:
-            f.write("# Quixotic Python Backend Environment Variables\n")
-            f.write("# Copy this file and update with your actual values\n\n")
-            f.write("\n".join(env_file_content))
-        print("📝 Created .env file with example values")
-    
-    print("\n🎉 Setup completed successfully!")
-    print("\n📋 Next steps:")
-    print("1. Update .env file with your actual credentials")
-    print("2. Set up PostgreSQL database")
-    print("3. Run: python main.py")
-    print("4. Access the API at: http://localhost:8000")
-    
-    return True
-
-if __name__ == "__main__":
-    success = main()
-    sys.exit(0 if success else 1)

src/bot.ts

@@ -0,0 +1,512 @@
+import TelegramBot from 'node-telegram-bot-api';
+import { Database } from './database';
+import { logger } from './logger';
+
+interface TelegramUser {
+    id: number;
+    first_name: string;
+    last_name?: string;
+    username?: string;
+}
+
+interface Message {
+    chat: {
+        id: number;
+    };
+    from?: TelegramUser;
+    web_app?: {
+        data: string;
+    };
+}
+
+interface InlineQuery {
+    id: string;
+    query: string;
+}
+
+interface WebAppData {
+    action: string;
+    audioUrl: string;
+    title: string;
+}
+
+interface SearchResult {
+    query: string;
+    created_at: string;
+}
+
+export class QuixoticBot {
+    private bot: TelegramBot;
+    private webAppUrl: string;
+    private db: Database;
+
+    constructor(token: string, webAppUrl: string) {
+        // Validate token format
+        if (!token || token.length < 40 || token === 'your_telegram_bot_token_here') {
+            throw new Error('Invalid or placeholder TELEGRAM_BOT_TOKEN provided');
+        }
+        
+        // Use webhook in production, polling in development
+        const useWebhook = process.env.NODE_ENV === 'production' && process.env.WEBHOOK_URL;
+        
+        if (useWebhook) {
+            logger.telegram('Using webhook mode for production');
+            this.bot = new TelegramBot(token, { 
+                webHook: {
+                    port: 8443,
+                    host: '0.0.0.0'
+                }
+            });
+        } else {
+            logger.telegram('Using polling mode for development');
+            this.bot = new TelegramBot(token, { polling: true });
+        }
+        
+        this.webAppUrl = webAppUrl;
+        this.db = new Database();
+        this.init();
+    }
+
+    private init(): void {
+        logger.telegram('Bot initialized');
+        this.setupCommands();
+        this.setupHandlers();
+    }
+
+    private setupCommands(): void {
+        // Set bot commands
+        this.bot.setMyCommands([
+            { command: 'start', description: 'Запустить приложение' },
+            { command: 'help', description: 'Помощь' },
+            { command: 'history', description: 'История поиска' }
+        ]);
+    }
+
+    private setupHandlers(): void {
+        logger.telegram('Setting up bot handlers...');
+        
+        // Handle messages
+        this.bot.on('message', (msg: any) => {
+            
+            // Handle web app data in regular message event
+            if (msg.web_app?.data) {
+                this.handleWebAppData(msg);
+                return; // Important: don't process as regular message
+            }
+        });
+        
+        // Start command
+        this.bot.onText(/\/start/, async (msg: Message) => {
+            const chatId = msg.chat.id;
+            const user = msg.from;
+
+            try {
+                // Add user to database
+                if (user) {
+                    await this.db.addUser(user);
+                }
+                
+                const keyboard = {
+                    inline_keyboard: [[
+                        {
+                            text: 'Открыть Quixotic',
+                            web_app: { url: this.webAppUrl }
+                        }
+                    ]]
+                };
+
+                await this.bot.sendMessage(chatId, 
+                    'Добро пожаловать в Quixotic!\n\n' +
+                    'Найди любую песню на SoundCloud и получи MP3 файл прямо в чат.\n\n' +
+                    'Нажми кнопку ниже, чтобы начать поиск:',
+                    { reply_markup: keyboard }
+                );
+            } catch (error) {
+                logger.error('Start command error:', error);
+                await this.bot.sendMessage(chatId, 'Произошла ошибка. Попробуйте позже.');
+            }
+        });
+
+        // Help command
+        this.bot.onText(/\/help/, async (msg: Message) => {
+            const chatId = msg.chat.id;
+            
+            const helpText = `*Quixotic - SoundCloud to MP3*
+
+*Как пользоваться:*
+1. Нажми кнопку "Открыть Quixotic"
+2. Введи название песни в поисковую строку
+3. Выбери нужный трек из списка
+4. Получи MP3 файл в чат!
+
+*Команды:*
+/start - Запустить приложение
+/help - Эта справка
+/history - История поиска
+
+*Возможности:*
+- Поиск по SoundCloud
+- Высокое качество MP3 (192kbps)
+- Быстрая конвертация
+- История поиска`;
+
+            await this.bot.sendMessage(chatId, helpText, { parse_mode: 'Markdown' });
+        });
+
+        // History command
+        this.bot.onText(/\/history/, async (msg: Message) => {
+            const chatId = msg.chat.id;
+            const userId = msg.from?.id;
+
+            if (!userId) return;
+
+            try {
+                const user = await this.db.getUserByTelegramId(userId);
+                if (!user) {
+                    await this.bot.sendMessage(chatId, 'История поиска пуста.');
+                    return;
+                }
+
+                // Get recent search history
+                const history = await this.getSearchHistory(user.id);
+
+                if (history.length === 0) {
+                    await this.bot.sendMessage(chatId, 'История поиска пуста.');
+                    return;
+                }
+
+                let historyText = '*Последние поисковые запросы:*\n\n';
+                history.forEach((item, index) => {
+                    const date = new Date(item.created_at).toLocaleDateString('ru-RU');
+                    historyText += `${index + 1}. ${item.query} _(${date})_\n`;
+                });
+
+                await this.bot.sendMessage(chatId, historyText, { parse_mode: 'Markdown' });
+            } catch (error) {
+                logger.error('History command error:', error);
+                await this.bot.sendMessage(chatId, 'Ошибка получения истории.');
+            }
+        });
+
+        // Handle web app data - primary event handler
+        this.bot.on('web_app_data', async (msg: Message) => {
+            this.handleWebAppData(msg);
+        });
+
+        // Handle callback queries
+        this.bot.on('callback_query', async (query: any) => {
+            if (query.data) {
+                try {
+                    const data = JSON.parse(query.data);
+                    if (data.action === 'send_audio') {
+                        await this.sendAudioFileInternal(query.message.chat.id, data.audioUrl, data.title);
+                    }
+                } catch {
+                    // Not JSON, ignore
+                }
+            }
+            await this.bot.answerCallbackQuery(query.id);
+        });
+
+        // Handle inline queries for search
+        this.bot.on('inline_query', async (query: InlineQuery) => {
+            const queryId = query.id;
+            const searchQuery = query.query;
+
+            if (!searchQuery || searchQuery.length < 3) {
+                await this.bot.answerInlineQuery(queryId, []);
+                return;
+            }
+
+            try {
+                const { SoundCloudService } = require('./soundcloud');
+                const soundcloud = new SoundCloudService();
+                const videos = await soundcloud.searchTracks(searchQuery, 5);
+
+                const results = videos.map((video: any, index: number) => ({
+                    type: 'article',
+                    id: `${index}`,
+                    title: video.title,
+                    description: `${video.channel} - ${this.formatDuration(video.duration)}`,
+                    thumb_url: video.thumbnail,
+                    input_message_content: {
+                        message_text: `${video.title}\n${video.url}`
+                    }
+                }));
+
+                await this.bot.answerInlineQuery(queryId, results, {
+                    cache_time: 300,
+                    is_personal: true
+                });
+            } catch (error) {
+                logger.error('Inline query error:', error);
+                await this.bot.answerInlineQuery(queryId, []);
+            }
+        });
+
+        // Error handler with detailed logging
+        this.bot.on('error', (error: any) => {
+            logger.error('Telegram bot error:', error.message || error);
+            logger.error('Error code:', error.code);
+            logger.error('Full error:', error);
+        });
+
+        // Handle polling errors specifically
+        this.bot.on('polling_error', (error: any) => {
+            logger.error('Telegram polling error:', error.message || error);
+            logger.error('Error code:', error.code);
+            
+            // Don't crash on polling errors, just log them
+            if (error.code === 'ETELEGRAM') {
+                logger.warn('Telegram API error - continuing operation');
+            }
+        });
+
+
+        logger.telegram('Bot handlers setup complete');
+    }
+
+    private async getSearchHistory(userId: number): Promise<SearchResult[]> {
+        return this.db.getSearchHistory(userId);
+    }
+
+    // Public method for external API calls
+    public async sendAudioFile(chatId: number, audioUrl: string, title: string, performer?: string, thumbnail?: string): Promise<void> {
+        logger.debug(`sendAudioFile called with performer: ${performer}, thumbnail: ${thumbnail}`);
+        return this.sendAudioFileInternal(chatId, audioUrl, title, performer, thumbnail);
+    }
+
+    private async sendAudioFileInternal(chatId: number, audioUrlOrPath: string, title: string, performer?: string, thumbnail?: string): Promise<void> {
+        try {
+            logger.telegram('Sending audio', `${title} to chat ${chatId}`);
+            logger.debug(`File source: ${audioUrlOrPath}`);
+            logger.debug(`Performer: ${performer || 'Not provided'}`);
+            logger.debug(`Thumbnail: ${thumbnail || 'Not provided'}`);
+            
+            // Check if it's a URL or local file path
+            const isUrl = audioUrlOrPath.startsWith('http');
+            let filePath = audioUrlOrPath;
+            
+            if (isUrl) {
+                // Extract filename from URL and construct local path
+                const urlParts = audioUrlOrPath.split('/');
+                const filename = urlParts[urlParts.length - 1];
+                filePath = require('path').join(process.cwd(), 'downloads', filename);
+                logger.debug(`Converted URL to local path: ${filePath}`);
+            }
+            
+            const fs = require('fs');
+            const path = require('path');
+            const https = require('https');
+            
+            // Check if file exists
+            if (!fs.existsSync(filePath)) {
+                logger.error(`File not found: ${filePath}`);
+                throw new Error('File not found: ' + filePath);
+            }
+            
+            // Get file stats for debugging
+            const stats = fs.statSync(filePath);
+            logger.debug(`File size: ${(stats.size / 1024 / 1024).toFixed(2)} MB`);
+            
+            // Generate custom filename for display
+            const safeTitle = (title || 'audio').replace(/[^\w\s-]/g, '').replace(/\s+/g, '_').substring(0, 30);
+            const safePerformer = (performer || '').replace(/[^\w\s-]/g, '').replace(/\s+/g, '_').substring(0, 20);
+            const customFilename = safePerformer ? `${safePerformer} - ${safeTitle}.mp3` : `${safeTitle}.mp3`;
+            
+            logger.debug(`Sending as: ${customFilename}`);
+            
+            // Download thumbnail if provided
+            let thumbnailPath: string | undefined;
+            if (thumbnail && thumbnail.startsWith('http')) {
+                try {
+                    logger.debug(`Downloading thumbnail from: ${thumbnail}`);
+                    const thumbnailFilename = `thumb_${Date.now()}.jpg`;
+                    thumbnailPath = path.join(process.cwd(), 'downloads', thumbnailFilename);
+                    
+                    await new Promise<void>((resolve, reject) => {
+                        const file = fs.createWriteStream(thumbnailPath!);
+                        
+                        // Handle both http and https
+                        const protocol = thumbnail.startsWith('https') ? https : require('http');
+                        
+                        const request = protocol.get(thumbnail, (response: any) => {
+                            // Follow redirects
+                            if (response.statusCode === 301 || response.statusCode === 302) {
+                                const redirectUrl = response.headers.location;
+                                logger.debug(`Following redirect to: ${redirectUrl}`);
+                                file.close();
+                                fs.unlink(thumbnailPath!, () => {});
+                                
+                                const redirectProtocol = redirectUrl.startsWith('https') ? https : require('http');
+                                redirectProtocol.get(redirectUrl, (redirectResponse: any) => {
+                                    redirectResponse.pipe(file);
+                                    file.on('finish', () => {
+                                        file.close();
+                                        logger.success(`Thumbnail downloaded: ${thumbnailPath} (${fs.statSync(thumbnailPath!).size} bytes)`);
+                                        resolve();
+                                    });
+                                }).on('error', (err: any) => {
+                                    file.close();
+                                    fs.unlink(thumbnailPath!, () => {});
+                                    reject(err);
+                                });
+                            } else {
+                                response.pipe(file);
+                                file.on('finish', () => {
+                                    file.close();
+                                    const fileSize = fs.statSync(thumbnailPath!).size;
+                                    logger.success(`Thumbnail downloaded: ${thumbnailPath} (${fileSize} bytes)`);
+                                    
+                                    // Check if file is valid (at least 1KB)
+                                    if (fileSize < 1000) {
+                                        logger.warn('Thumbnail file too small, may be invalid');
+                                        fs.unlink(thumbnailPath!, () => {});
+                                        thumbnailPath = undefined;
+                                    }
+                                    resolve();
+                                });
+                            }
+                        });
+                        
+                        request.on('error', (err: any) => {
+                            file.close();
+                            fs.unlink(thumbnailPath!, () => {});
+                            reject(err);
+                        });
+                        
+                        // Set timeout for thumbnail download
+                        request.setTimeout(10000, () => {
+                            request.destroy();
+                            file.close();
+                            fs.unlink(thumbnailPath!, () => {});
+                            reject(new Error('Thumbnail download timeout'));
+                        });
+                    });
+                    
+                } catch (thumbError: any) {
+                    logger.warn('Failed to download thumbnail:', thumbError.message);
+                    thumbnailPath = undefined;
+                }
+            }
+            
+            // Send file using stream (better for large files)
+            const fileStream = fs.createReadStream(filePath);
+            
+            // Try sending as audio with metadata
+            try {
+                const options: any = {
+                    title: title,
+                    performer: performer || 'Unknown Artist',
+                    caption: undefined,
+                    parse_mode: undefined
+                };
+                
+                // Add thumbnail if downloaded
+                if (thumbnailPath) {
+                    options.thumbnail = fs.createReadStream(thumbnailPath);
+                }
+                
+                await this.bot.sendAudio(chatId, fileStream, options, {
+                    filename: customFilename,
+                    contentType: 'audio/mpeg'
+                });
+                
+                logger.success(`Audio sent successfully: ${title}`);
+                
+                // Clean up thumbnail file
+                if (thumbnailPath) {
+                    fs.unlink(thumbnailPath, (err: any) => {
+                        if (err) logger.error('Failed to delete thumbnail:', err);
+                    });
+                }
+                return;
+                
+            } catch (error: any) {
+                logger.error('Audio send failed:', error.message);
+                logger.error('Error code:', error.code);
+                
+                // Clean up thumbnail file on error
+                if (thumbnailPath) {
+                    fs.unlink(thumbnailPath, () => {});
+                }
+                
+                // Fallback: try as document
+                try {
+                    logger.info('Retrying as document...');
+                    const docStream = fs.createReadStream(filePath);
+                    
+                    await this.bot.sendDocument(chatId, docStream, {
+                        caption: `${title}\n${performer || 'Unknown Artist'}`,
+                        parse_mode: undefined
+                    }, {
+                        filename: customFilename,
+                        contentType: 'audio/mpeg'
+                    });
+                    logger.success(`Document sent successfully: ${title}`);
+                    return;
+                    
+                } catch (documentError: any) {
+                    logger.error('Document send also failed:', documentError.message);
+                    throw documentError;
+                }
+            }
+
+        } catch (error: any) {
+            logger.error('Send failed completely:', error.message);
+            logger.error('Full error:', error);
+            
+            // Send error message to user
+            try {
+                await this.bot.sendMessage(chatId, 
+                    `Не удалось отправить файл.\n${title}\n\nПопробуйте другой трек.`
+                );
+            } catch {
+                logger.error('Could not even send error message');
+            }
+            
+            // Re-throw to trigger unhandled rejection handler
+            throw error;
+        }
+    }
+
+    private async handleWebAppData(msg: Message): Promise<void> {
+        const chatId = msg.chat.id;
+        
+        if (!msg.web_app?.data) {
+            return;
+        }
+        
+        try {
+            const data: WebAppData = JSON.parse(msg.web_app.data);
+
+            if (data.action === 'send_audio') {
+                logger.telegram('WebApp request', data.title);
+                await this.sendAudioFileInternal(chatId, data.audioUrl, data.title);
+            }
+        } catch (parseError: any) {
+            logger.error('WebApp data parse error:', parseError.message);
+        }
+    }
+
+
+    private formatDuration(seconds: number): string {
+        if (!seconds) return '';
+        const mins = Math.floor(seconds / 60);
+        const secs = seconds % 60;
+        return `${mins}:${secs.toString().padStart(2, '0')}`;
+    }
+}
+
+// Initialize bot if this file is run directly
+if (require.main === module) {
+    const token = process.env.TELEGRAM_BOT_TOKEN;
+    const webAppUrl = process.env.WEB_APP_URL || 'https://your-domain.com';
+    
+    if (!token) {
+        logger.error('TELEGRAM_BOT_TOKEN environment variable is required');
+        process.exit(1);
+    }
+
+    new QuixoticBot(token, webAppUrl);
+}

src/database.ts

@@ -0,0 +1,132 @@
+import { Pool } from 'pg';
+import { logger } from './logger';
+
+interface TelegramUser {
+    id: number;
+    username?: string;
+    first_name?: string;
+    last_name?: string;
+}
+
+interface User {
+    id: number;
+    telegram_id: number;
+    username?: string;
+    first_name?: string;
+    last_name?: string;
+    created_at: string;
+}
+
+export class Database {
+    private pool: Pool;
+
+    constructor() {
+        const connectionString = process.env.DATABASE_URL || 'postgresql://quixotic:quixotic123@localhost:5432/quixotic';
+        this.pool = new Pool({
+            connectionString,
+            ssl: process.env.DATABASE_SSL === 'true' ? { rejectUnauthorized: false } : false
+        });
+        this.init();
+    }
+
+    private async init(): Promise<void> {
+        try {
+            const tablesExist = await this.pool.query(`
+                SELECT EXISTS (
+                    SELECT FROM information_schema.tables 
+                    WHERE table_schema = 'public' 
+                    AND table_name = 'users'
+                );
+            `);
+
+            if (!tablesExist.rows[0].exists) {
+                logger.info('Creating database tables...');
+                
+                // Users table
+                await this.pool.query(`CREATE TABLE users (
+                    id SERIAL PRIMARY KEY,
+                    telegram_id BIGINT UNIQUE NOT NULL,
+                    username TEXT,
+                    first_name TEXT,
+                    last_name TEXT,
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )`);
+
+                // Search history table
+                await this.pool.query(`CREATE TABLE search_history (
+                    id SERIAL PRIMARY KEY,
+                    user_id INTEGER REFERENCES users(id),
+                    query TEXT NOT NULL,
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )`);
+
+                // Downloaded files table
+                await this.pool.query(`CREATE TABLE downloads (
+                    id SERIAL PRIMARY KEY,
+                    user_id INTEGER REFERENCES users(id),
+                    track_id TEXT NOT NULL,
+                    title TEXT NOT NULL,
+                    file_path TEXT,
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )`);
+                
+                logger.success('Database tables created successfully');
+            } else {
+                logger.info('Database tables already exist');
+            }
+        } catch (error) {
+            logger.error('Database initialization error:', error);
+        }
+    }
+
+    async addUser(telegramUser: TelegramUser): Promise<number> {
+        const { id, username, first_name, last_name } = telegramUser;
+        const result = await this.pool.query(
+            `INSERT INTO users (telegram_id, username, first_name, last_name) 
+             VALUES ($1, $2, $3, $4)
+             ON CONFLICT (telegram_id) DO UPDATE SET
+             username = EXCLUDED.username,
+             first_name = EXCLUDED.first_name,
+             last_name = EXCLUDED.last_name
+             RETURNING id`,
+            [id, username, first_name, last_name]
+        );
+        return result.rows[0].id;
+    }
+
+    async addSearchHistory(userId: number, query: string): Promise<number> {
+        const result = await this.pool.query(
+            'INSERT INTO search_history (user_id, query) VALUES ($1, $2) RETURNING id',
+            [userId, query]
+        );
+        return result.rows[0].id;
+    }
+
+    async addDownload(userId: number, trackId: string, title: string, filePath: string): Promise<number> {
+        const result = await this.pool.query(
+            'INSERT INTO downloads (user_id, track_id, title, file_path) VALUES ($1, $2, $3, $4) RETURNING id',
+            [userId, trackId, title, filePath]
+        );
+        return result.rows[0].id;
+    }
+
+    async getUserByTelegramId(telegramId: string | number): Promise<User | undefined> {
+        const result = await this.pool.query(
+            'SELECT * FROM users WHERE telegram_id = $1',
+            [telegramId]
+        );
+        return result.rows[0] || undefined;
+    }
+
+    async getSearchHistory(userId: number, limit: number = 10): Promise<{query: string, created_at: string}[]> {
+        const result = await this.pool.query(
+            'SELECT query, created_at FROM search_history WHERE user_id = $1 ORDER BY created_at DESC LIMIT $2',
+            [userId, limit]
+        );
+        return result.rows;
+    }
+
+    async close(): Promise<void> {
+        await this.pool.end();
+    }
+}

src/logger.ts

@@ -0,0 +1,81 @@
+import winston from 'winston';
+
+/**
+ * Professional logging utility using Winston
+ * Provides colored console output with timestamps
+ */
+
+const { combine, timestamp, printf, colorize, align } = winston.format;
+
+// Custom format for clean, readable logs
+const logFormat = printf(({ level, message, timestamp }) => {
+    return `${timestamp} ${level}: ${message}`;
+});
+
+// Create Winston logger instance
+const winstonLogger = winston.createLogger({
+    level: process.env.LOG_LEVEL || 'info',
+    format: combine(
+        colorize({ all: true }),
+        timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
+        align(),
+        logFormat
+    ),
+    transports: [
+        new winston.transports.Console({
+            stderrLevels: ['error']
+        })
+    ]
+});
+
+// Wrapper class for convenience methods
+class Logger {
+    debug(message: string, ...meta: any[]): void {
+        winstonLogger.debug(message, ...meta);
+    }
+
+    info(message: string, ...meta: any[]): void {
+        winstonLogger.info(message, ...meta);
+    }
+
+    warn(message: string, ...meta: any[]): void {
+        winstonLogger.warn(message, ...meta);
+    }
+
+    error(message: string, ...meta: any[]): void {
+        winstonLogger.error(message, ...meta);
+    }
+
+    // Success is just info with green color
+    success(message: string, ...meta: any[]): void {
+        winstonLogger.info(message, ...meta);
+    }
+
+    // Specialized logging methods
+    http(method: string, path: string, status: number): void {
+        const level = status >= 500 ? 'error' : status >= 400 ? 'warn' : 'info';
+        winstonLogger.log(level, `${method} ${path} ${status}`);
+    }
+
+    database(operation: string, details: string): void {
+        this.debug(`[DB] ${operation}: ${details}`);
+    }
+
+    telegram(action: string, details?: string): void {
+        const msg = details ? `[Telegram] ${action}: ${details}` : `[Telegram] ${action}`;
+        this.info(msg);
+    }
+
+    soundcloud(action: string, details?: string): void {
+        const msg = details ? `[SoundCloud] ${action}: ${details}` : `[SoundCloud] ${action}`;
+        this.info(msg);
+    }
+
+    ffmpeg(action: string, details?: string): void {
+        const msg = details ? `[FFmpeg] ${action}: ${details}` : `[FFmpeg] ${action}`;
+        this.debug(msg);
+    }
+}
+
+// Export singleton instance
+export const logger = new Logger();

src/server.ts

@@ -0,0 +1,416 @@
+import express, { Request, Response } from 'express';
+import compression from 'compression';
+import path from 'path';
+import fs from 'fs';
+import ffmpeg from 'fluent-ffmpeg';
+
+// Configure ffmpeg paths
+ffmpeg.setFfmpegPath('/usr/bin/ffmpeg');
+ffmpeg.setFfprobePath('/usr/bin/ffprobe');
+import { Database } from './database';
+import { SoundCloudService } from './soundcloud';
+import { QuixoticBot } from './bot';
+import { logger } from './logger';
+
+const app = express();
+const port = process.env.PORT || 3000;
+
+// Initialize services
+const db = new Database();
+const soundcloud = new SoundCloudService();
+
+// Middleware
+app.use(compression()); // Enable gzip compression
+app.use(express.json());
+app.use((req: Request, res: Response, next) => {
+    res.set('Content-Security-Policy', 
+        'default-src \'self\'; ' +
+        'script-src \'self\' https://telegram.org \'unsafe-inline\'; ' +
+        'style-src \'self\' \'unsafe-inline\'; ' +
+        'img-src \'self\' data: https:; ' +
+        'font-src \'self\'; ' +
+        'media-src \'self\' blob: data:; ' +
+        'connect-src \'self\' https://telegram.org; ' +
+        'frame-ancestors \'self\'; ' +
+        'base-uri \'self\'; ' +
+        'form-action \'self\''
+    );
+    res.set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains; preload');
+    res.set('Cross-Origin-Opener-Policy', 'same-origin');
+    res.set('X-Frame-Options', 'SAMEORIGIN');
+    res.set('X-Content-Type-Options', 'nosniff');
+    res.set('Referrer-Policy', 'strict-origin-when-cross-origin');
+    next();
+});
+
+// Optimized caching strategy
+app.use(express.static('public', {
+    maxAge: 0, // Don't cache by default, set specific headers below
+    etag: true,
+    lastModified: true,
+    setHeaders: (res: Response, filePath: string) => {
+        // Cache images, fonts, etc. with immutable flag
+        if (filePath.match(/\.(jpg|jpeg|png|gif|ico|woff|woff2|ttf|eot|svg)$/)) {
+            res.set('Cache-Control', 'public, max-age=31536000, immutable');
+        }
+        // Cache CSS and JS with version string for 1 year (they have ?v= in URL)
+        else if (filePath.match(/\.(css|js)$/)) {
+            res.set('Cache-Control', 'public, max-age=31536000, immutable');
+        }
+        // HTML files - NO CACHE
+        else if (filePath.match(/\.html$/)) {
+            res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+            res.set('Pragma', 'no-cache');
+            res.set('Expires', '0');
+        }
+        // JSON files (version.json) - NO CACHE
+        else if (filePath.match(/\.json$/)) {
+            res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+            res.set('Pragma', 'no-cache');
+            res.set('Expires', '0');
+        }
+    }
+}));
+
+// Ensure downloads directory exists
+const downloadsDir = path.join(__dirname, '../downloads');
+if (!fs.existsSync(downloadsDir)) {
+    fs.mkdirSync(downloadsDir, { recursive: true });
+}
+
+// Load version for cache busting
+let appVersion = Date.now().toString();
+try {
+    const versionPath = path.join(__dirname, '../public/version.json');
+    if (fs.existsSync(versionPath)) {
+        const versionData = JSON.parse(fs.readFileSync(versionPath, 'utf8'));
+        appVersion = versionData.version || appVersion;
+        logger.info(`App version loaded: ${appVersion}`);
+    }
+} catch (error) {
+    logger.warn('Could not load version file, using timestamp');
+}
+
+// Routes
+app.get('/', (req: Request, res: Response) => {
+    // Use minified HTML in production
+    const isProduction = process.env.NODE_ENV === 'production';
+    const htmlFile = isProduction ? 'index.min.html' : 'index.html';
+    const indexPath = path.join(__dirname, '../public', htmlFile);
+    
+    // Set cache headers for HTML (no cache for HTML itself)
+    res.set({
+        'Cache-Control': 'no-cache, no-store, must-revalidate',
+        'Pragma': 'no-cache',
+        'Expires': '0'
+    });
+    
+    // Read HTML and inject version
+    try {
+        let html = fs.readFileSync(indexPath, 'utf8');
+        // Replace all version placeholders with actual version
+        html = html.replace(/\?v=(VERSION|\d+)/g, `?v=${appVersion}`);
+        res.send(html);
+    } catch (error) {
+        logger.error('Error serving HTML:', error);
+        res.sendFile(indexPath);
+    }
+});
+
+// Search videos
+app.post('/api/search', async (req: Request, res: Response) => {
+    try {
+        const { query, userId, page }: { query?: string; userId?: string; page?: number } = req.body;
+        
+        if (!query || query.trim().length === 0) {
+            return res.status(400).json({ error: 'Query is required' });
+        }
+
+        // Calculate offset based on page number (10 results per page)
+        const currentPage = page || 1;
+        const resultsPerPage = 10;
+        const offset = (currentPage - 1) * resultsPerPage;
+
+        // Save search history
+        if (userId && userId !== 'demo') {
+            try {
+                const user = await db.getUserByTelegramId(userId);
+                if (user) {
+                    await db.addSearchHistory(user.id, query);
+                }
+            } catch (dbError) {
+                logger.error('Database error:', dbError);
+            }
+        }
+
+        const videos = await soundcloud.searchTracks(query.trim(), resultsPerPage, offset);
+        
+        // Return hasMore flag based on results
+        const hasMore = videos.length === resultsPerPage;
+        
+        res.json({ videos, hasMore });
+        
+    } catch (error) {
+        logger.error('Search error:', error);
+        res.status(500).json({ error: 'Failed to search videos' });
+    }
+});
+
+// Convert video to MP3
+app.post('/api/convert', async (req: Request, res: Response) => {
+    try {
+        const { videoId, title, userId, url, performer }: { videoId?: string; title?: string; userId?: string; url?: string; performer?: string } = req.body;
+        logger.info(`Convert request received: ${title} by ${performer || 'Unknown'} (ID: ${videoId})`);
+        
+        if (!videoId) {
+            return res.status(400).json({ error: 'Video ID is required' });
+        }
+
+        // Generate safe filename
+        const safeTitle = (title || '').replace(/[^\w\s-]/g, '').replace(/\s+/g, '_').substring(0, 50);
+        const filename = `${videoId}_${safeTitle}.mp3`;
+        const outputPath = path.join(downloadsDir, filename);
+
+        // Check if file already exists
+        if (fs.existsSync(outputPath)) {
+            logger.info('File already exists, serving cached version');
+            const audioUrl = `${req.protocol}://${req.get('host')}/downloads/${filename}`;
+            return res.json({ audioUrl, title });
+        }
+
+        logger.info(`Starting MP3 conversion: ${title}`);
+        
+        try {
+            // Get audio stream from YouTube
+            logger.debug(`Attempting to get audio stream for: ${videoId}`);
+            const audioStream = await soundcloud.getAudioStream(videoId, url);
+            logger.info('Audio stream obtained, starting FFmpeg conversion...');
+            
+            // Download to temporary file first, then convert
+            const tempInputPath = path.join(downloadsDir, `temp_${videoId}.tmp`);
+            
+            // Save stream to temporary file
+            await new Promise<void>((resolve, reject) => {
+                const writeStream = fs.createWriteStream(tempInputPath);
+                audioStream.pipe(writeStream);
+                audioStream.on('end', resolve);
+                audioStream.on('error', reject);
+                writeStream.on('error', reject);
+            });
+            
+            logger.info('Temporary file saved, starting FFmpeg conversion...');
+            
+            // Debug: check temp file
+            const stats = fs.statSync(tempInputPath);
+            logger.debug(`Temp file size: ${stats.size} bytes`);
+            
+            // Test ffmpeg with simple command first
+            try {
+                const { execSync } = require('child_process');
+                execSync(`ffmpeg -i "${tempInputPath}" -t 1 -f null -`, { encoding: 'utf8', stdio: 'pipe' });
+                logger.debug('FFmpeg file test passed');
+            } catch (e: any) {
+                logger.error('FFmpeg file test failed:', e.stderr || e.message);
+            }
+            
+            // Convert temporary file to MP3 using ffmpeg
+            await new Promise<void>((resolve, reject) => {
+                const conversion = ffmpeg(tempInputPath)
+                    .audioCodec('libmp3lame')
+                    .audioBitrate('192k')
+                    .audioChannels(2)
+                    .audioFrequency(44100)
+                    .format('mp3')
+                    .output(outputPath)
+                    .on('start', (command: string) => {
+                        logger.ffmpeg('Started', command);
+                    })
+                    .on('progress', (progress: any) => {
+                        if (progress.percent) {
+                            logger.ffmpeg('Progress', `${Math.round(progress.percent)}%`);
+                        }
+                    })
+                    .on('end', () => {
+                        logger.success('MP3 conversion completed successfully');
+                        // Clean up temporary file
+                        fs.unlink(tempInputPath, (err) => {
+                            if (err) logger.error('Failed to delete temp file:', err);
+                        });
+                        resolve();
+                    })
+                    .on('error', (err: Error) => {
+                        logger.error('FFmpeg error:', err.message);
+                        // Clean up temporary file on error
+                        fs.unlink(tempInputPath, () => {});
+                        reject(err);
+                    });
+                
+                conversion.run();
+            });
+
+            // Save download record
+            if (userId && userId !== 'demo') {
+                try {
+                    const user = await db.getUserByTelegramId(userId);
+                    if (user) {
+                        await db.addDownload(user.id, videoId, title || '', outputPath);
+                    }
+                } catch (dbError) {
+                    logger.error('Database error:', dbError);
+                }
+            }
+
+            const audioUrl = `${req.protocol}://${req.get('host')}/downloads/${filename}`;
+            logger.success(`Conversion successful: ${audioUrl}`);
+            res.json({ audioUrl, title });
+
+        } catch (conversionError: any) {
+            logger.error(`Conversion failed for video: ${videoId}`);
+            logger.error('Error details:', conversionError.message);
+            logger.error('Full error:', conversionError);
+            
+            // Return error - no fallbacks for Telegram bot
+            return res.status(503).json({ 
+                error: 'MP3 conversion failed. This video may be restricted or unavailable for download.',
+                details: conversionError.message,
+                videoId: videoId
+            });
+        }
+
+    } catch (error) {
+        logger.error('Server error:', error);
+        res.status(500).json({ error: 'Failed to process request' });
+    }
+});
+
+// Direct Telegram API for sending audio
+app.post('/api/telegram-send', async (req: Request, res: Response) => {
+    logger.telegram('Send request received');
+    
+    try {
+        const { userId, audioUrl, title, performer, thumbnail }: { userId?: string; audioUrl?: string; title?: string; performer?: string; thumbnail?: string } = req.body;
+        logger.telegram('Sending to user', `${userId}: ${title}`);
+        
+        if (!userId || !audioUrl || !title) {
+            return res.status(400).json({ error: 'Missing required fields' });
+        }
+        
+        const botInstance = (global as any).quixoticBot;
+        if (!botInstance) {
+            logger.error('Bot not available');
+            return res.status(500).json({ error: 'Bot not available' });
+        }
+        
+        const chatId = parseInt(userId);
+        await botInstance.sendAudioFile(chatId, audioUrl, title, performer, thumbnail);
+        logger.success('Audio sent successfully');
+        
+        res.json({ success: true, message: 'Audio sent successfully' });
+        
+    } catch (error: any) {
+        logger.error('Send failed:', error.message);
+        res.status(500).json({ error: error.message });
+    }
+});
+
+// Serve download files
+app.use('/downloads', express.static(downloadsDir));
+
+// Health check
+app.get('/health', (req: Request, res: Response) => {
+    res.json({ status: 'ok', timestamp: new Date().toISOString() });
+});
+
+// Version endpoint for client-side cache busting
+app.get('/api/version', (req: Request, res: Response) => {
+    res.set('Cache-Control', 'no-cache, no-store, must-revalidate');
+    try {
+        const versionPath = path.join(__dirname, '../public/version.json');
+        if (fs.existsSync(versionPath)) {
+            const versionData = fs.readFileSync(versionPath, 'utf8');
+            res.json(JSON.parse(versionData));
+        } else {
+            res.json({ version: appVersion, timestamp: Date.now() });
+        }
+    } catch (error) {
+        res.json({ version: appVersion, timestamp: Date.now() });
+    }
+});
+
+// Error handler
+app.use((err: Error, _req: Request, res: Response, _next: any) => {
+    logger.error(err.stack || err.message);
+    res.status(500).json({ error: 'Something went wrong!' });
+});
+
+// Cleanup old files periodically (every hour)
+setInterval(() => {
+    const maxAge = 24 * 60 * 60 * 1000; // 24 hours
+    const now = Date.now();
+    
+    fs.readdir(downloadsDir, (err, files) => {
+        if (err) return;
+        
+        files.forEach(file => {
+            const filePath = path.join(downloadsDir, file);
+            fs.stat(filePath, (err, stats) => {
+                if (err) return;
+                
+                if (now - stats.mtime.getTime() > maxAge) {
+                    fs.unlink(filePath, (err) => {
+                        if (!err) {
+                            logger.info('Deleted old file:', file);
+                        }
+                    });
+                }
+            });
+        });
+    });
+}, 60 * 60 * 1000); // Run every hour
+
+app.listen(port, () => {
+    logger.success(`Quixotic server running on port ${port}`);
+    logger.info(`Downloads directory: ${downloadsDir}`);
+    logger.info(`Open in browser: http://localhost:${port}`);
+});
+
+// Initialize Telegram bot
+const botToken = process.env.TELEGRAM_BOT_TOKEN;
+const webAppUrl = process.env.WEB_APP_URL || `http://localhost:${port}`;
+
+if (botToken && botToken.length > 10 && botToken !== 'your_telegram_bot_token_here') {
+    try {
+        const botInstance = new QuixoticBot(botToken, webAppUrl);
+        // Store bot instance globally for API access
+        (global as any).quixoticBot = botInstance;
+        logger.telegram('Bot started and stored globally');
+    } catch (error: any) {
+        logger.error('Bot initialization failed:', error.message);
+        logger.warn('Bot disabled due to error');
+        logger.warn('Telegram integration will not be available');
+        // Don't crash the server, continue without bot
+    }
+} else {
+    logger.warn('TELEGRAM_BOT_TOKEN not configured properly');
+    logger.warn('Bot will not start - only web interface will be available');
+    logger.info('To enable Telegram bot, set a valid TELEGRAM_BOT_TOKEN');
+}
+
+// Handle unhandled promise rejections
+process.on('unhandledRejection', (reason: any, promise: Promise<any>) => {
+    logger.error('Unhandled Rejection at:', promise);
+    logger.error('Reason:', reason);
+    
+    // Log but don't crash the server
+    if (reason?.code === 'ETELEGRAM') {
+        logger.warn('Telegram API error - continuing operation');
+    }
+});
+
+// Handle uncaught exceptions
+process.on('uncaughtException', (error: Error) => {
+    logger.error('Uncaught Exception:', error);
+    // Log but try to continue
+});
+
+export default app;

src/soundcloud.ts

@@ -0,0 +1,210 @@
+import scdl from 'soundcloud-downloader';
+import { Readable } from 'stream';
+import { logger } from './logger';
+
+interface SearchTrack {
+    id: number;
+    title: string;
+    user?: {
+        username: string;
+        avatar_url?: string;
+    };
+    artwork_url?: string;
+    duration: number;
+    permalink_url: string;
+    streamable: boolean;
+    downloadable: boolean;
+}
+
+interface TrackResult {
+    id: number;
+    title: string;
+    channel: string;
+    thumbnail: string;
+    duration: number;
+    url: string;
+    streamable: boolean;
+    downloadable: boolean;
+}
+
+interface TrackInfo {
+    title: string;
+    author: string;
+    length: number;
+    available: boolean;
+    thumbnail?: string;
+}
+
+export class SoundCloudService {
+    constructor() {
+        logger.soundcloud('Service initialized');
+    }
+
+    private getHighQualityThumbnail(originalUrl: string): string {
+        if (!originalUrl) {
+            return 'https://via.placeholder.com/500x500?text=No+Image';
+        }
+
+        // SoundCloud provides different thumbnail sizes by changing the URL suffix:
+        // -large (100x100) -> -t500x500 (500x500) or -t300x300 (300x300)
+        // Try to get the highest quality version available
+        
+        let highQualityUrl = originalUrl;
+        
+        if (originalUrl.includes('-large.')) {
+            // Replace -large with -t500x500 for better quality
+            highQualityUrl = originalUrl.replace('-large.', '-t500x500.');
+        } else if (originalUrl.includes('-crop.')) {
+            // If it's crop (400x400), try to get t500x500 or keep crop
+            highQualityUrl = originalUrl.replace('-crop.', '-t500x500.');
+        } else if (originalUrl.includes('-t300x300.')) {
+            // If it's already 300x300, try to upgrade to 500x500
+            highQualityUrl = originalUrl.replace('-t300x300.', '-t500x500.');
+        } else if (originalUrl.includes('default_avatar_large.png')) {
+            // For default avatars, use a higher quality placeholder
+            highQualityUrl = 'https://via.placeholder.com/500x500/007AFF/ffffff?text=🎵';
+        }
+        
+        // Log transformation if changed
+        if (highQualityUrl !== originalUrl) {
+            logger.debug(`Thumbnail upgraded: ${originalUrl.substring(0, 60)}... -> ${highQualityUrl.substring(0, 60)}...`);
+        }
+        
+        // If no size suffix found or already high quality, return original
+        return highQualityUrl;
+    }
+
+    async searchTracks(query: string, maxResults: number = 10, offset: number = 0): Promise<TrackResult[]> {
+        try {
+            logger.soundcloud('Searching', `${query} (offset: ${offset})`);
+            
+            // Search for tracks on SoundCloud
+            const searchResult = await scdl.search({
+                query: query,
+                limit: maxResults,
+                offset: offset,
+                resourceType: 'tracks'
+            }) as any;
+
+            // Handle different response formats
+            let tracks: any[] = [];
+            
+            if (Array.isArray(searchResult)) {
+                tracks = searchResult;
+            } else if (searchResult && searchResult.collection && Array.isArray(searchResult.collection)) {
+                tracks = searchResult.collection;
+            } else if (searchResult && searchResult.tracks && Array.isArray(searchResult.tracks)) {
+                tracks = searchResult.tracks;
+            } else if (searchResult && typeof searchResult === 'object') {
+                // Try to find any array property that might contain tracks
+                const keys = Object.keys(searchResult);
+                for (const key of keys) {
+                    if (Array.isArray(searchResult[key]) && searchResult[key].length > 0) {
+                        const firstItem = searchResult[key][0];
+                        if (firstItem && (firstItem.id || firstItem.title || firstItem.permalink_url)) {
+                            tracks = searchResult[key];
+                            break;
+                        }
+                    }
+                }
+            }
+
+            if (!tracks || tracks.length === 0) {
+                logger.warn('No tracks found');
+                return [];
+            }
+
+            const trackResults: TrackResult[] = tracks.map(track => ({
+                id: track.id,
+                title: track.title,
+                channel: track.user?.username || 'Unknown Artist',
+                thumbnail: this.getHighQualityThumbnail(track.artwork_url || track.user?.avatar_url || ''),
+                duration: Math.floor(track.duration / 1000) || 0, // Convert from ms to seconds
+                url: track.permalink_url,
+                streamable: track.streamable,
+                downloadable: track.downloadable
+            }));
+
+            logger.success(`Found ${trackResults.length} tracks on SoundCloud`);
+            return trackResults;
+            
+        } catch (error: any) {
+            logger.error('SoundCloud search error:', error.message);
+            return [];
+        }
+    }
+
+    async getTrackInfo(trackId: string | number): Promise<TrackInfo> {
+        try {
+            const track = await scdl.getInfo(String(trackId)) as SearchTrack;
+            return {
+                title: track.title,
+                author: track.user?.username || 'Unknown',
+                length: Math.floor(track.duration / 1000),
+                available: track.streamable,
+                thumbnail: this.getHighQualityThumbnail(track.artwork_url || track.user?.avatar_url || '')
+            };
+        } catch (error) {
+            logger.error('Error getting track info:', error);
+            throw error;
+        }
+    }
+
+    async getAudioStream(trackId: string | number, trackUrl?: string): Promise<Readable> {
+        try {
+            logger.soundcloud('Getting audio stream', `track: ${trackId}`);
+            
+            // If trackUrl is provided, use it directly
+            if (trackUrl) {
+                logger.debug(`Using provided track URL: ${trackUrl}`);
+                const stream = await scdl.download(trackUrl);
+                logger.success('Audio stream obtained successfully from SoundCloud using URL');
+                return stream;
+            }
+            
+            // Get track info first if no URL provided
+            const trackInfo = await scdl.getInfo(String(trackId)) as SearchTrack;
+            
+            if (!trackInfo.streamable) {
+                throw new Error('Track is not streamable');
+            }
+            
+            logger.debug(`Track: ${trackInfo.title}`);
+            logger.debug(`Artist: ${trackInfo.user?.username || 'Unknown'}`);
+            logger.debug(`Duration: ${Math.floor(trackInfo.duration / 1000)}s`);
+            
+            // Use the permalink_url from track info
+            const stream = await scdl.download(trackInfo.permalink_url);
+            
+            logger.success('Audio stream obtained successfully from SoundCloud');
+            return stream;
+            
+        } catch (error: any) {
+            logger.error('SoundCloud download failed:', error.message);
+            
+            // Try alternative approaches
+            try {
+                logger.info('Trying alternative SoundCloud methods...');
+                
+                // Try with track ID directly
+                const stream = await scdl.download(String(trackId));
+                logger.success('Audio stream obtained with track ID method');
+                return stream;
+                
+            } catch {
+                logger.error('Track ID method failed, trying URL construction...');
+                
+                // Final fallback - try constructing different URL formats
+                try {
+                    const trackUrl = `https://soundcloud.com/${trackId}`;
+                    const stream = await scdl.download(trackUrl);
+                    logger.success('Audio stream obtained with constructed URL method');
+                    return stream;
+                } catch (finalError: any) {
+                    logger.error('All methods failed:', finalError.message);
+                    throw new Error(`SoundCloud download failed: ${error.message}`);
+                }
+            }
+        }
+    }
+}

test_server.py

@@ -1,81 +0,0 @@
-#!/usr/bin/env python3
-"""
-Simple test server for frontend testing
-"""
-
-import os
-from pathlib import Path
-from datetime import datetime
-from fastapi import FastAPI, HTTPException
-from fastapi.responses import FileResponse, HTMLResponse
-from fastapi.staticfiles import StaticFiles
-import aiofiles
-
-app = FastAPI(title="Quixotic Test API", version="1.0.0")
-
-# Get public directory
-public_dir = Path(__file__).parent / "public"
-
-@app.get("/", response_class=HTMLResponse)
-async def root():
-    """Serve main HTML page with cache-busting"""
-    try:
-        index_path = public_dir / "index.html"
-        
-        async with aiofiles.open(index_path, 'r', encoding='utf8') as f:
-            html = await f.read()
-        
-        # Add timestamp for cache busting
-        timestamp = int(datetime.now().timestamp() * 1000)
-        html = html.replace('dist/script.js?v=2', f'dist/script.js?v={timestamp}')
-        
-        return HTMLResponse(
-            content=html,
-            headers={
-                'Cache-Control': 'no-cache, no-store, must-revalidate',
-                'Pragma': 'no-cache',
-                'Expires': '0'
-            }
-        )
-    except Exception as e:
-        raise HTTPException(status_code=500, detail=f"Failed to serve index: {str(e)}")
-
-@app.get("/style.css")
-async def get_css():
-    """Serve CSS file"""
-    css_path = public_dir / "style.css" 
-    if css_path.exists():
-        return FileResponse(
-            path=css_path,
-            media_type="text/css",
-            headers={"Cache-Control": "no-cache, max-age=0"}
-        )
-    raise HTTPException(status_code=404, detail="CSS not found")
-
-@app.get("/dist/script.js")
-async def get_js():
-    """Serve JavaScript file"""
-    js_path = public_dir / "dist" / "script.js"
-    if js_path.exists():
-        return FileResponse(
-            path=js_path,
-            media_type="application/javascript", 
-            headers={"Cache-Control": "no-cache, max-age=0"}
-        )
-    raise HTTPException(status_code=404, detail="JavaScript not found")
-
-@app.get("/health")
-async def health_check():
-    """Health check endpoint"""
-    return {
-        "status": "ok",
-        "timestamp": datetime.now().isoformat(),
-        "message": "Test server running"
-    }
-
-if __name__ == "__main__":
-    import uvicorn
-    port = int(os.getenv("PORT", 8000))
-    print(f"🚀 Starting test server on http://localhost:{port}")
-    print(f"📁 Public directory: {public_dir.absolute()}")
-    uvicorn.run(app, host="0.0.0.0", port=port, log_level="info")

tsconfig.frontend.json

@@ -0,0 +1,25 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "lib": ["ES2020", "DOM"],
+    "outDir": "./public/dist",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": false,
+    "sourceMap": true,
+    "allowJs": true
+  },
+  "include": [
+    "public/script.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "src",
+    "public/dist"
+  ]
+}

tsconfig.json

@@ -0,0 +1,29 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "lib": ["ES2020"],
+    "outDir": "./dist",
+    "rootDir": "./src",
+    "strict": false,
+    "noImplicitAny": false,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "sourceMap": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "moduleResolution": "node",
+    "allowSyntheticDefaultImports": true
+  },
+  "include": [
+    "src/**/*"
+  ],
+  "exclude": [
+    "node_modules",
+    "dist",
+    "public"
+  ]
+}