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feat(enable-banking): bump default lookback to 120 days (#542)

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Sync Now and initial-connection backfill now default to 120 days instead
of 90. Clamp ranges are unchanged ([1,365] for Sync Now, [30,365] for
initial sync). The PSD2 90-day ceiling without fresh SCA still applies
at the bank — asking for more is harmless and surfaces any additional
history Swedish ASPSPs are willing to return.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jakob Wennberg
2026-05-20 11:13:24 +02:00
committed by GitHub
co-authored by Claude Opus 4.7
parent 566ed72984
commit 00a7886f63
1 changed files with 8 additions and 4 deletions
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extensions/general/enable-banking/index.ts
+8 -4
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@@ -256,9 +256,11 @@ export const enableBankingExtension: Extension = {
})
if (!rl.ok) return rl.response!
// Default 90 days: most callers (Sync Now button, post-activation gap fill)
// Default 120 days: most callers (Sync Now button, post-activation gap fill)
// want a deep refresh, not a 30-day blip. Cron uses 7-day incrementals separately.
const { connection_id, days_back: rawDaysBack = 90 } = await request.json()
// Bank may still cap at ~90 days per PSD2 without fresh SCA — asking for more
// is harmless and surfaces whatever the ASPSP is willing to return.
const { connection_id, days_back: rawDaysBack = 120 } = await request.json()
const days_back = Math.min(Math.max(1, rawDaysBack), 365)
const { data: connection, error: connectionError } = await supabase
@@ -514,9 +516,11 @@ export const enableBankingExtension: Extension = {
}
// initial_lookback_days only applies on the pending_selection→active transition.
// Default 90 (PSD2 standard); clamp to [30, 365]. Ignored for selection edits.
// Default 120; clamp to [30, 365]. Ignored for selection edits.
// PSD2 obliges ASPSPs to ~90 days without fresh SCA, but many Swedish banks
// return more if asked — request 120 and accept whatever the bank gives back.
const initialLookbackDays = (() => {
const n = typeof rawLookback === 'number' && Number.isFinite(rawLookback) ? rawLookback : 90
const n = typeof rawLookback === 'number' && Number.isFinite(rawLookback) ? rawLookback : 120
return Math.min(365, Math.max(30, Math.round(n)))
})()