a2a-Market Compute Ledger

Build and operate the compute ledger module for RealMarket A2A runtime.

Current status: scaffold-first skill for early registration. Keep APIs stable, add production logic incrementally.

Scope

• Own ComputeAccount domain object, balance snapshots, and immutable transaction journal.
• Support reserve/freeze before negotiation and final debit after order confirmation.
• Emit billing events to event bus for reputation, websocket push, and finance logs.

Suggested Project Layout

• app/domain/entities/compute_account.py
• app/application/services/billing_service.py
• app/infrastructure/db/ledger_repository.py
• app/infrastructure/tasks/reconcile_ledger.py