PR A: 12-state transaction machine + issueInstrument step + SoD matrix #5

Merged
nsatoshi merged 1 commits from devin/1776874611-instrument-leg-state-machine into main 2026-04-22 17:15:47 +00:00

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Author SHA1 Message Date
Devin
b24a4df983 PR A: 12-state transaction machine + issueInstrument step + SoD matrix
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Architecture note steps 1, 2, 10 (data model).

- types/transactionState.ts: 12 states, allowed-transition table, SoD matrix
- types/plan.ts: add InstrumentTerms + 'issueInstrument' PlanStep type
- services/planValidation.ts: validate SBLC step (BIC, ISO-4217, sha256,
  YYYY-MM-DD expiry, >0 amount)
- services/stateMachine.ts: transition() enforces legality + SoD + appends
  to transaction_state_transitions
- db/migrations/002: plans.transaction_state (CHECK) +
  transaction_state_transitions append-only table
- tests/unit: 13 + 8 unit tests (31 total, all pass)

No behaviour change yet: coordinator still uses legacy status field.
PRs B-G will migrate execution paths onto the new machine.
2026-04-22 16:21:36 +00:00