- Add AppState struct to hold shared ChargingEngine instance
- Add CreditCheckRequest and CreditCheckResponse for credit validation
- Add DeductRequest for byte usage deduction
- Add AddCreditRequest for credit top-up operations
- Add BalanceResponse for IP address balance queries
- Add HealthResponse with default implementation for health check endpoint
- Derive Serialize/Deserialize traits for API request/response types
- Add Go-based API server and carrier connector services
- Add Rust-based charging engine and packet gateway services
- Add Docker Compose configuration for local development
- Add comprehensive documentation (API, Architecture, Deployment)
- Add development scripts for Redis, MongoDB, and environment setup
- Add workspace configuration for Go modules and pnpm
- Remove unnecessary documentation files from web-dashboard
- Add project build configuration (Makefile, Cargo.toml)
This commit establishes the foundational microservices architecture for the sovereign Telecom-as-a-Service platform.