refactor: tidy tbank-sync claim comments (WealthLedger/backend#166)
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@@ -3,17 +3,13 @@ import type { TbankSyncAttempt } from './tbank-access.service';
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const NO_UPDATED_ROWS = 0;
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const NO_UPDATED_ROWS = 0;
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// Shared owners for the tbank-sync DB claim/lock protocol (backend#166).
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// Shared owners for the tbank-sync DB claim/lock protocol.
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// Both helpers are CAS fences: they run inside the caller's transaction and
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// Both helpers are CAS fences: they run inside the caller's transaction and
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// keep the exact where/data shapes they replaced. Callers keep deciding
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// keep the exact where/data shapes they replaced. Callers keep deciding
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// success from the claim count exactly as before.
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// success from the claim count exactly as before.
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// Claims the active TbankSyncWork row: only the still-running attempt of a
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// Claims the active TbankSyncWork row: only the still-running attempt of a
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// valid connection may transition. `data` is the state transition to apply.
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// valid connection may transition. `data` is the state transition to apply.
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// `state` overrides the default 'running' fence (e.g. an initiator row also
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// accepts 'complete'); `withoutConnectionFence` drops the
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// `connection: { invalidToken: false }` guard for fences that must also fire
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// on an invalidated connection.
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export type ClaimOptions = {
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export type ClaimOptions = {
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// Overrides the default 'running' fence (e.g. an initiator row also
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// Overrides the default 'running' fence (e.g. an initiator row also
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// accepts 'complete').
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// accepts 'complete').
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