v1.2.0 - Windows Reliability, Browser Compatibility & Enhanced UX

User Experience & Reliability

• Interactive Connection Troubleshooting: We’ve completely overhauled the "Connection Failed" experience. Instead of a dead end, users now see a collapsible, interactive guide to help them troubleshoot local connectivity issues directly.
• Smart Model Selection: Cellami now automatically detects and selects the first available local model on startup, preventing the "No model selected" confusion for new users.
• Enhanced "About" View: A new, polished About modal provides clear version information and quick access to legal/support resources.

Windows & Browser Compatibility

• Windows Stability Fixes: Resolved a critical issue causing the backend to crash on Windows (Uvicorn GUI freeze). The app now handles background processes more gracefully on Windows 10/11.
• Modern Browser Support (CORS/PNA): implemented advanced Private Network Access (PNA) and CORS headers, ensuring Cellami can securely communicate with the local backend even from strict modern browsers like Chrome and Edge.

Security & Privacy

• SOC 2 Logging Compliance: Sensitive user data (query content and text chunks) is now automatically redacted from application logs to meet strict data privacy standards.

v1.1.0 - Security Hardening & Performance

🔒 Security Enhancements

• Prevented CORS Token Theft: Implemented secure Token Injection. The authentication token is now embedded directly into the application HTML at runtime, preventing potential theft by unauthorized scripts.
• Restricted API Access: The /api/auth/token endpoint is now strictly blocked in production environments (403 Forbidden) to prevent local token discovery.
• Updated Policies: Added comprehensive SECURITY.md and DATA_PRIVACY.md documentation outlining our local-first data guarantees.

🚀 Performance & UX

• Instant macOS Startup: Optimized the macOS build process (switched to --onedir), eliminating the ~15s unpacking delay. The app now launches instantly.
• Windows Splash Screen: Added a branded splash screen on Windows to provide immediate visual feedback while the AI engine initializes.

🛠 Internal Improvements

• Project Organization: Moved build scripts and documentation to dedicated folders (/scripts, /docs) for a cleaner repository.
• Logging: Standardized backend logging to use the Python logging module instead of print statements.

Full Changelog: v1.0.0...v1.1.0

Cellami v1.0.0 - Initial Release

Initial Release of Cellami

Introducing Cellami, your private, local AI assistant for Excel! This release brings the power of local LLMs directly into your spreadsheets.

✨ Key Features
🔒 Private & Local: Runs AI completely offline using Ollama. Your data never leaves your Mac.
💬 Chat with Data: Select any range of cells in Excel and ask questions about them.
📚 Knowledge Base: Upload PDFs and Word documents to create a custom knowledge base for your AI.
📊 Smart Analysis: Get deep insights into your structured data tables with context from your knowledge base.