* Refactor BillingPanel to use updated user usage structure
- Changed the usage data source in BillingPanel from activeTeam to user, aligning with the new IUserUsage interface.
- Updated the display of token usage percentage and progress bar to reflect the new usage metrics (spentThisCycleUsd and cycleBudgetUsd).
- Cleaned up commented-out code and improved layout for better readability and user experience.
* Add architecture documentation for AlphaHuman platform
- Introduced a comprehensive `ARCHITECTURE.md` file detailing the architecture of AlphaHuman, an AI-powered assistant for crypto communities.
- Documented platform reach, high-level architecture, performance metrics, real-time socket infrastructure, and skills runtime engine.
- Highlighted the advantages of using Tauri and Rust over Electron for performance and security.
- Included diagrams to illustrate the architecture and socket communication flow.
Updated subproject commit reference in the skills directory.
