StreamXL v1.0.0: Production-Ready Excel Streaming

StreamXL v1.0.0 🚀 Production Beta-Ready

Production Score: 7.5/10 | 4-week hardening complete

What's New

• ✅ ZIP bomb detection (3-layer validation, 100:1 compression ratio limit)
• ✅ 50% test coverage (10+ security tests)
• ✅ Multi-sheet workbook support
• ✅ Sheet reference parsing (Sheet2!A1:B5)

Security

• File size limits (2GB per entry, 10GB total)
• Compression ratio validation
• Input sanitization

Features

• Streaming sheet parser (low memory footprint)
• Cell type detection (string, number, bool, empty)
• Shared string table handling
• Multi-sheet navigation

Upgrade: pip install --upgrade streamxl==1.0.0