Identify income dependencies by role and document screen-specific dates.
Convert inclusive calendar days into half-open source ranges while
preserving operation timestamps and existing stored coverage.
Store account membership, portfolio, operations, forecasts and market sources in SQLite.
Coalesce scoped refreshes, fence connection revisions, preserve complete financial
snapshots and stabilize operation period state.
BREAKING CHANGE: investment reads return data/meta resource envelopes and locally
persisted snapshots; consumers must use the matching OpenAPI contract and explicit
synchronization endpoints.