Name: Forex Domains
Author: javakishore-veleti

Customer Profile Domain (Summary)

Owning service: Backend/Services/customer-profile/
What it represents: A registered trader or institution — identity, KYC compliance, risk-tolerance settings.
Lifecycle: Onboarding → KYC Verification → Active Trading → Profile Updates → Deactivation.
Key events: CustomerCreated, CustomerUpdated, CustomerKycVerified, CustomerDeactivated.
API pattern: REST at /api/v1/customers/...
Workflow interaction: Read-only in most workflows (e.g., TradeCapture reads customer status and risk tolerance for validation).
Data ownership rule: Customer Profile Service is the sole owner. Other services query its API — no direct DB access.

Trading Book Domain (Summary)

Owning service: Backend/Services/customer-profile/
What it represents: A registered trader or institution — identity, KYC compliance, risk-tolerance settings.
Lifecycle: Onboarding → KYC Verification → Active Trading → Profile Updates → Deactivation.
Key events: CustomerCreated, CustomerUpdated, CustomerKycVerified, CustomerDeactivated.
API pattern: REST at /api/v1/customers/...
Workflow interaction: Read-only in most workflows (e.g., TradeCapture reads customer status and risk tolerance for validation).
Data ownership rule: Customer Profile Service is the sole owner. Other services query its API — no direct DB access.

Event	When
`CustomerCreated`	New customer registered
`CustomerUpdated`	Profile or risk-tolerance changed
`CustomerKycVerified`	KYC moves to Verified
`CustomerDeactivated`	Customer suspended or removed

Event	When
`BookCreated`	New book initialized for a customer
`TradeCaptured`	Trade successfully persisted
`PositionUpdated`	Position quantity or P&L changes
`PnlRecalculated`	Mark-to-market or EOD revaluation
`BookFrozen`	Customer deactivated or margin breach