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interview-demo-code/module/oc_telegram_shop
Nikita Kiselev e8d0f8a819 feat: add TeleCartPulse telemetry system and ETL endpoints
- Add TeleCartPulse service for event tracking and analytics
  - Implement PayloadSigner for secure payload signing/verification
  - Add StartParamSerializer for campaign parameter handling
  - Create TeleCartPulseServiceProvider for dependency injection
  - Add PulseEvents constants and exception classes

- Add TelemetryHandler for ingesting client-side events
  - Implement /ingest endpoint for receiving webapp events
  - Support WEBAPP_OPEN event tracking with campaign metadata

- Add ETLHandler for customer data export
  - Implement /customers endpoint for ETL processes
  - Add /customers/meta endpoint for pagination metadata
  - Support filtering by updated_at timestamp
  - Include customer metrics: orders count, total spent, etc.

- Add InvalidApiTokenException for API key validation
- Update Request class to support API key extraction
- Add Utils helper methods for domain extraction
- Integrate telemetry in frontend SPA (webapp open event)
- Add TeleCartPulseView in admin panel for API key configuration
- Update routes to include new telemetry and ETL endpoints
2025-11-30 11:54:24 +03:00
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