v2.0.0 - HandSDK, Firmware Update, Licensing System

#Overview

Spine v2.0.0 is a major update that includes an authentication system, firmware updates, HandSDK integration, and Android support.
It has expanded from a single-purpose tool into a device management and license-based platform.

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#Authentication & Licensing

• Added a server API-based login system
• Issues a token and performs license validation upon login

#Seat-Based Access Management

• Separate seats per OS (Linux / Windows)
• Feature access restricted based on seat allocation

#Offline Mode Support

• 7-day valid Lease issued upon successful online login

Lease Validation Items

• Signature
• Expiration time
• HWID (unique device identifier)

Security Policy

• Re-login required when switching from offline to online
• Switching from online to offline is allowed
• Auto-login supported when running offline

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#Android & Standalone Support

• Added Android platform support
• Standalone execution available on Meta Quest 3
• Can be used with a direct connection to the Atlas device
• Supported in mobile environments

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#HandSDK Integration

• Applied HandSDK and added OSC transmission feature
• Improved from raw sensor data to HandSDK-converted data
• HandSDK On/Off control available in internal builds

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#Developer Mode

• Added Developer Mode activation feature
• Developer tab exposed when activated

#In-App Log Viewer

• Logs can now be viewed in real time inside Spine, instead of file-based logs
• Instantly accessible without opening log files

#Log Management

• Added option to choose whether to save log files
• Log save path can be customized by the user

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#Firmware Update System

• Added feature to view connected device information
  • Serial Number
  • Firmware Version
• Compares with the latest firmware via server integration
  • Detects and notifies use of incompatible firmware

#Update Process

1. Download the latest .hex file binary (not saved to disk)
2. Perform flashing using avrdude

• Firmware information available in the Settings tab

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#Build Configuration

#Distribution Build

• Sensitive logs removed

#Internal Build

• Auto-login feature
• Extended detailed log output
• HandSDK on/off feature
• Added corrupted firmware recovery feature