PSA/ee/docs/plans/2026-03-16-service-period-first-billing-and-cadence-ownership/RECURRING_SERVICE_PERIOD_EDIT_VALIDATION.md
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Initial import of AlgaPSA codebase from PSA server
Excluded: .git, node_modules, secrets/, compose.env, assemblyscript tgz

Source: /opt/alga-psa on psa.joliet.tech
2026-06-22 16:12:17 -05:00

1.2 KiB

Recurring Service-Period Edit Validation

F248 defines the first neighbor-aware validation rule for future persisted service-period edits.

Continuity Rule

User edits are validated against adjacent active rows on the same scheduleKey.

The v1 rule is intentionally simple and explicit:

  • the edited row must remain contiguous with the immediately previous active service period
  • the edited row must remain contiguous with the immediately next active service period
  • continuity is evaluated on canonical servicePeriod bounds, not invoice headers

shared/billingClients/recurringServicePeriodEditValidation.ts now makes that executable.

Rejected States

The helper rejects four continuity failures with clear messages:

  • gap before the edited period
  • overlap before the edited period
  • gap after the edited period
  • overlap after the edited period

The boundary-adjustment and skip/defer helpers now call the same validator when sibling schedule rows are supplied.

Deliberate Boundary

This checkpoint still does not define:

  • UI transport of sibling context
  • cross-schedule conflict handling when source-rule regeneration collides with edited rows
  • split / merge continuity semantics

Those remain sequenced behind F249-F251.