# Database Schema Draft - QRIS Soundbox Platform v1

## 1. merchants
- id
- merchant_code
- legal_name
- brand_name
- status
- onboarding_status
- fee_profile_id
- settlement_account_reference
- settlement_account_type
- payout_mode
- created_at
- updated_at

## 2. merchant_documents
- id
- merchant_id
- document_type
- document_url
- verification_status
- created_at

## 3. outlets
- id
- merchant_id
- outlet_code
- name
- address
- status
- created_at
- updated_at

## 4. terminals
- id
- outlet_id
- terminal_code
- qr_mode
- partner_reference
- status
- created_at
- updated_at

## 5. devices
- id
- device_code
- serial_number
- vendor
- model
- firmware_version
- communication_mode
- capability_profile_json
- auth_method
- status
- last_seen_at
- created_at
- updated_at

## 6. device_bindings
- id
- device_id
- merchant_id
- outlet_id
- terminal_id
- active_flag
- bound_at
- unbound_at

## 7. device_heartbeats
- id
- device_id
- received_at
- network_strength
- battery_level
- firmware_version
- state
- payload_json

## 8. device_configs
- id
- device_id
- config_version
- config_json
- active_flag
- created_at

## 9. device_commands
- id
- device_id
- command_name
- command_payload_json
- command_status
- requested_by
- requested_at
- ack_at

## 10. transactions
- id
- transaction_code
- merchant_id
- outlet_id
- terminal_id
- device_id
- qr_mode
- initiation_mode
- partner_reference
- amount
- currency
- status
- created_at
- paid_at
- expired_at
- updated_at

## 11. transaction_events
- id
- transaction_id
- event_type
- source
- payload_json
- created_at

## 12. notifications
- id
- transaction_id
- device_id
- delivery_channel
- payload_type
- delivery_status
- retry_count
- ack_status
- sent_at
- ack_at

## 13. ledger_entries
- id
- merchant_id
- transaction_id
- entry_type
- amount
- direction
- balance_effect
- created_at

## 14. settlements
- id
- merchant_id
- settlement_period_start
- settlement_period_end
- gross_amount
- fee_amount
- net_amount
- payout_status
- payout_reference
- created_at
- paid_at

## 15. settlement_items
- id
- settlement_id
- transaction_id
- gross_amount
- fee_amount
- net_amount

## 16. payout_attempts
- id
- settlement_id
- partner_reference
- amount
- status
- response_payload_json
- attempted_at

## 17. reconciliation_records
- id
- reconciliation_type
- entity_type
- entity_id
- external_reference
- internal_amount
- external_amount
- status
- notes
- created_at

## 18. audit_logs
- id
- actor_type
- actor_id
- action
- entity_type
- entity_id
- before_json
- after_json
- source_ip
- created_at

## 19. users
- id
- name
- email
- password_hash
- role_id
- status
- created_at

## 20. roles
- id
- name
- permissions_json
- created_at

## 21. Index penting
- transactions(partner_reference)
- transactions(merchant_id, created_at)
- notifications(device_id, delivery_status)
- device_heartbeats(device_id, received_at)
- device_bindings(device_id, active_flag)
- settlements(merchant_id, payout_status)
- ledger_entries(merchant_id, created_at)