Techman
A managed marketplace for home and facility repairs, connecting customers with verified technicians — booking, pricing, payment, evidence of work and payouts, all in one place.
Ledger posting engine
Append-only double-entry postings with balance snapshots.
Command bus with a state guard
State changes only through the bus; the database refuses any other path.
Idempotent commands with outbox and audit
The claim, the event and the audit row commit together or not at all.
Per-module schemas and migrator
Each module owns its schema and its numbered SQL migrations.
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