Add comprehensive project analysis and diagnostic reports for stenBit

[Copilot]

This PR provides a complete diagnostic analysis of the stenBit project as requested. The analysis covers security vulnerabilities, code quality issues, performance concerns, and provides actionable recommendations for improvement.

What was analyzed

The stenBit project is a Telegram Mini App (TMA) implementing a tap-to-earn game built on the TON blockchain. The analysis examined:

• Project structure and architecture - React + TypeScript + Vite setup with 48 source files
• Security vulnerabilities - npm audit revealing 15 security issues
• Code quality - ESLint analysis showing 31 problems (5 errors, 26 warnings)
• Performance metrics - Bundle size analysis revealing 1.7MB output
• Dependencies - Assessment of 384 packages including deprecated ones
• Build system - Vite configuration and compilation process

Key findings

🚨 Critical Security Issues

• 15 security vulnerabilities detected, including 5 critical and 4 high severity
• Critical packages affected: elliptic, cipher-base, pbkdf2, sha.js, form-data
• High severity issues in axios, cross-spawn, rollup

🔴 Code Quality Problems

• 5 ESLint errors requiring immediate attention
• 26 warnings including React hooks dependency issues
• Deprecated TMA SDK packages (@tma.js/sdk) need migration
• Missing TypeScript error handling patterns

⚡ Performance Concerns

• 1.7MB JavaScript bundle (exceeds 500KB recommendation)
• No code splitting or lazy loading implemented
• Large font files (316KB each) not optimized
• Missing bundle analysis tools

Reports delivered

📋 DIAGNOSTIC_REPORT.md

Comprehensive English report containing:

• Executive summary with project status assessment
• Detailed security vulnerability analysis
• Code quality metrics and recommendations
• Performance optimization suggestions
• 4-phase improvement plan with timeline

📋 DIAGNOSTIC_REPORT_RU.md

Complete Russian translation of the diagnostic report for local stakeholders, maintaining technical accuracy while using appropriate terminology.

🔧 TECHNICAL_RECOMMENDATIONS.md

Actionable implementation guide providing:

• Exact commands to fix immediate issues
• Step-by-step migration instructions
• Performance optimization setup
• Testing infrastructure implementation
• CI/CD pipeline configuration
• 4-week implementation timeline with success metrics

Infrastructure improvements

• Updated .gitignore to exclude build artifacts (dist/, package-lock.json)
• Removed committed build files from repository tracking
• Preserved all source code without any modifications to maintain current functionality

Next steps

The project can continue development while addressing issues in priority order:

1. Immediate (Day 1-2): Fix critical security vulnerabilities with npm audit fix
2. Week 1: Address ESLint errors and React hooks dependencies
3. Week 2: Migrate to new TMA SDK and add testing infrastructure
4. Week 3-4: Implement performance optimizations and monitoring

The diagnostic reports provide all necessary information for stakeholders to make informed decisions about project improvements while maintaining the current working functionality.

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