- Add borderChar variable to determine border style based on position parameter
- Use "=" for top and bottom borders, "-" for middle borders
- Replace hardcoded "=" with dynamic borderChar in sections rendering
- Remove redundant comment about convenience methods
- Remove duplicate API client initialization from HandleBilling (now passed as parameter)
- Remove unused config import from billing.go
- Update handleInvoices to fetch real invoice data via apiClient.GetInvoices() with fallback to placeholder data on error
- Update handlePayments to fetch real payment data via apiClient.GetPayments() with fallback to placeholder data on error
- Add HandleServices with command routing: list, status, restart, logs
- Add showServicesHelp with command descriptions and usage examples
- Add listServices to display services table with status, version, and uptime
- Add showServiceStatus to display service details with CPU/memory usage and last restart
- Add restartService to restart specified service
- Add showServiceLogs to display recent service
- Add HandleMonitoring with command routing: metrics, alerts, health, logs
- Add showMonitoringHelp with command descriptions and usage examples
- Add showMetrics to display system metrics with API response time, database connections, CPU/memory usage, disk usage, network throughput, active subscribers, and request rate
- Add showAlerts to display active alerts table with severity, service, message, and timestamp
- Add showHealth to display
- Add HandleServicesEnhanced with command routing: list, status, start, stop, restart, logs, metrics, health, scale
- Add showServicesEnhancedHelp with command descriptions and usage examples
- Add listServicesEnhanced to display services table with status icons, CPU/memory metrics, uptime, and version using styled UI components
- Add showServiceStatusEnhanced to display service details with version, uptime, CPU
- Add HandleDeploy with command routing: status, start, rollback, history
- Add showDeployHelp with command descriptions and usage examples
- Add showDeployStatus to display environment status with version and last deploy timestamp
- Add startDeployment to initiate deployment with build, test, package, and Kubernetes deployment steps
- Add rollbackDeployment to revert to previous version with validation and
- Add HandleBilling with command routing: invoices, payments, generate
- Add showBillingHelp with command descriptions and usage examples
- Add handleInvoices to display invoice list with ID, date, status, amount, and subscriber
- Add handlePayments to display payment transactions with ID, date, amount, method, and status
- Add generateInvoice to create invoices for subscribers with ID validation
- Add Dashboard model with table, spinner, help, and key bindings for service status display
- Add keyMap with shortcuts: refresh (r), subscribers (s), services (v), billing (b), monitoring (m), config (c), deploy (d), help (?), quit (q)
- Add service status table with columns: Service, Status, CPU, Memory, Uptime, Version
- Add initial service data: API Server, Charging Engine, Packet Gateway, Web Dashboard, Prometheus,
- Add go.mod and go.sum for CLI application module
- Add Bubble Tea v1.3.10 for terminal UI framework
- Add Charm Bracelet libraries: bubbles v1.0.0, lipgloss v1.1.0 for UI components and styling
- Add Viper v1.21.0 for configuration management
- Add testify v1.11.1 for testing support
- Include dependencies for terminal handling, color profiles, and text rendering
- Update GetSystemStats to query active sessions, total accounts, blocked users, and low balance alerts from database
- Update GetHealthStatus to check database connectivity and set ActiveSync status
- Update GetUsageStats to query usage events by IMSI and period with trend calculation comparing to previous period
- Update GetRealTimeUsage to query current session and today's usage from database
- Update ListUsageEvents to query usage events with
- Add WebhookHandler with Stripe webhook validation and event processing
- Add webhook event handlers: payment succeeded, failed, canceled, and dispute created
- Update transaction status and subscriber balance on successful payments
- Create alerts for failed payments and disputes with appropriate severity levels
- Add sendTopUpNotification to create notifications for successful top-ups
- Add PaymentController
- Add Balance float64 field to Subscriber struct with JSON and GORM tags
- Set default value to 0 in database schema
- Align PlanID and Status field formatting
- Add stripeGW field to SubscriberService and initialize in NewSubscriberService with API key and webhook secret
- Add processPaymentToken to call Stripe API and retrieve payment method details from token
- Update AddPaymentMethod to call processPaymentToken and use real card details (last4, brand, expiry dates) from Stripe
- Update AddPaymentMethod to use req.IsDefault instead of hardcoded false value
- Import
- Add TimeSeriesStorage with InfluxDB client, write API, and query API for org/bucket
- Add metric types: MetricPoint, UsageMetrics, SystemMetrics, ChargingMetrics with subscriber/IMSI/transaction fields
- Add StoreUsageMetrics, StoreSystemMetrics, StoreChargingMetrics, and StorePacketMetrics to write metrics to InfluxDB
- Add GetUsageStats to query subscriber usage statistics for time range with last aggreg
- Add CreateTransaction to insert new transaction records
- Add UpdateSubscriberBalance to increment/decrement balance using SQL expression
- Add CreatePaymentMethod, GetPaymentMethod, DeletePaymentMethod, and ListPaymentMethods for payment method CRUD
- Add GetTransaction, GetTransactionByGatewayID, GetTransactionByChargeID to query transactions by different IDs
- Add UpdateTransaction to save transaction changes
- Add List
- Add StripeGateway with secret key, webhook secret, and HTTP client with 30s timeout
- Add ProcessPayment to create payment intents with amount conversion to cents and metadata
- Add CreateCustomer to create Stripe customers with subscriber details and IMSI metadata
- Add ProcessRefund to process full or partial refunds via payment intent ID
- Add GetPaymentStatus to retrieve payment intent status and details
- Update SubscribeToSubscriberUpdates to poll database every 3 seconds for subscriber changes since last update
- Add buffered channel (size 5) to prevent blocking on subscriber updates
- Track lastUpdatedAt timestamp to query only new subscriber changes
- Add SubscribeToAlertUpdates to poll database every 2 seconds for new alerts
- Add buffered channel (size 10) for alert updates with ID-based filtering
- Support optional
- Update GetAccount to query actual usage events and balance from database instead of returning zeros
- Update ListInvoices to query invoices with filters, pagination, and preload subscriber data
- Update GetInvoice to query invoice by ID with line items and subscriber preloading
- Update ListRatingPlans to query active rating plans ordered by monthly fee
- Update GetRatingPlan to query rating plan by ID with active
- Add ChargingEngineClient with base URL and HTTP client with configurable timeout
- Add CheckCredit to verify subscriber credit availability by IP with bytes requested
- Add DeductCredit to deduct bytes from subscriber credit balance
- Add AddCredit to add bytes to subscriber credit balance
- Add GetBalance to retrieve current credit balance for subscriber by IP
- Add HealthCheck to verify charging engine availability
- Add ChargingService with database and charging engine client dependencies
- Add GetSystemStats to retrieve active sessions, accounts, blocked users, and uptime metrics
- Add GetHealthStatus to check Redis connection, sync status, and memory usage
- Add GetUsageStats to get subscriber usage statistics with data/voice/SMS volumes, costs, and trends
- Add GetRealTimeUsage to track current session and today's usage metrics
- Add InvoiceService with database dependency for invoice management operations
- Add GenerateMonthlyInvoice to create invoices with plan fees and usage charges from billing period
- Add SendInvoice to update invoice status to pending (email integration TODO)
- Add MarkInvoiceAsPaid to update invoice payment status
- Add GetOverdueInvoices to query invoices past due date with pending status
- Add GetSubscriber
- Add SubscriberAccount with balance, usage limits (data/voice/SMS), and status tracking
- Add UsageEvent for tracking usage sessions with volume, rate, and cost
- Add Invoice with line items and status (DRAFT, PENDING, PAID, OVERDUE, CANCELLED)
- Add RatingPlan with rate definitions for data/voice/SMS and monthly fees
- Add Alert with types (LOW_BALANCE, HIGH_USAGE, PAYMENT_FAILED, SYSTEM_ERROR) and severity levels
- Add Pay
- Add PaymentConfig with Stripe API key and webhook secret fields
- Add ChargingEngineConfig with base URL and timeout settings
- Add InfluxDBConfig with URL, token, org, and bucket fields
- Add MetricsPort field to ServerConfig for Prometheus metrics endpoint
- Set default values: MetricsPort 9090, ChargingEngine localhost:3001, InfluxDB localhost:8086
- Update Config struct to include Payment, ChargingEngine, and Infl
- Add main server setup with Gin router, GraphQL handler, and graceful shutdown
- Initialize database connection and metrics collectors (Prometheus and InfluxDB time-series)
- Add HTTP middleware for Prometheus metrics collection
- Add /metrics endpoint for Prometheus scraping and /health endpoint for health checks
- Implement periodic metrics collection (30s interval) for subscribers, sessions, and system
- Add GetAccount to retrieve subscriber account information with balance and usage limits
- Add ListInvoices/GetInvoice for invoice management with line items
- Add ListRatingPlans/GetRatingPlan for rating plan queries
- Add ListAlerts/CreateAlert/ResolveAlert for alert management
- Add SearchSubscribers for subscriber search functionality
- Add SubscribeToSubscriberUpdates/SubscribeToAlertUpdates
- Add parseID tests for valid IDs, invalid format, and zero values
- Add encodeCursor/decodeCursor tests for base64 cursor encoding/decoding with valid and invalid inputs
- Add buildUsageFilterWhere tests for empty filters, usage type filtering, and cost range filtering
- Add ResolverRoot method tests to verify Query/Mutation/Subscription return receiver
- Include helper function implementations (encodeCursor, decodeCursor, buildUsageFilterWhere)
- Replace placeholder uptime with actual elapsed time since startup using startup_time
- Add fallback to UNIX epoch time if system time goes backwards
- Implement get_process_memory to read actual memory from /proc/self/status on Linux
- Add estimate_memory_usage fallback for non-Linux systems (35MB base estimate)
- Add get_redis_memory_usage to query Redis memory info as secondary fallback
- Update get_memory_usage to use
- Add SystemTime import from std::time
- Add startup_time field to ChargingEngine struct
- Initialize startup_time with SystemTime::now() during engine creation
- Replace placeholder uptime calculation with actual elapsed time since startup
- Add fallback to current time if system time goes backwards
- Implement get_process_memory to read actual memory from /proc/self/status on Linux
- Add estimate_memory_usage fallback for non-Linux systems (35MB base estimate)
- Add get_redis_memory_usage to query Redis memory info as secondary fallback
- Update get_memory_usage to use layered fallback approach (
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