feat(bank-sync): close the F2 report: gap backfill, consent and paused chip states, agent-triggered sync (#2165)

* fix(bank-sync): cron backfills the gap since the last successful sync

The daily incremental sync always asked the bank for the last 7 days. Any
pause longer than that (a lapsed subscription paid again, a consent renewed
after expiry, an outage) silently lost the days in between: the connection
came back, looked healthy, and the missing transactions never arrived.

The lookback now widens to cover the gap since last_synced_at plus one day
of overlap, capped at the 90-day PSD2 limit, and a gap of a month or more
asks for strategy=longest like the manual sync route does. Dedup via
external_id makes the overlap harmless. First syncs keep their 90-day path.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* feat(bank-sync): chip warns seven days before a bank consent expires

The transactions-page chip only reacted once a connection was already dead
(expired/error) or had gone stale. A consent that is about to end looked
healthy until the morning it stopped syncing. New "expiring" state when a
live connection's consent_expires is within seven days, the same threshold
as the consent-expiry email in the sync cron. Precedence: attention,
expiring, stale, healthy.

getChipState moves to lib/transactions/bank-sync-chip-state.ts so the
precedence is unit-tested; the component keeps the rendering only.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* feat(bank-sync): chip says paused when the subscription lapsed

The daily cron filters connections by the bank_sync capability, so a
company whose trial or subscription ended keeps status=active rows with a
frozen last_synced_at. The chip read that as "stale, check the connection",
which sends the user to re-authorise a connection that is perfectly alive.
56 of 191 active connections on prod were in this state on 2026-09-01.

New "paused" state, ranked above everything else, when the company lacks
bank_sync: hosted points at billing, self-host at the connector key, the
same split BankSyncNowButton already makes. getChipState takes an options
object so the clock stays out of render (react-hooks/purity).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* feat(api): agent-triggerable bank sync in v1 and MCP

Closes the first wish in the F2 report: an integration could read bank
data but never refresh it. New POST /api/v1/companies/{id}/bank-connections/
{connectionId}/sync and MCP gnubok_sync_bank, both on a shared runner
(extensions/general/enable-banking/lib/trigger-sync.ts).

Cost is bounded structurally, not by policy: the window is never
caller-controlled (the cron's gap-aware 7 to 90 day lookback), a connection
synced within 15 minutes answers BANK_SYNC_COOLDOWN with next_allowed_at
(429 + Retry-After on v1; synced=false in-band on MCP so the agent reads on
instead of retrying), and a failing connection is throttled per process by
attempt time. A dead session is flipped to expired with a remediation that
hands the user the connect link: no API call revives a consent.

Gated on bank_sync like gnubok_connect_bank; scope transactions:write.
Registry, scope map, load-routes, spec snapshot and the generated
accounted-api skill updated; five BANK_SYNC_* / BANK_SESSION_EXPIRED codes
added to the structured-error registry. The web Synka-nu route is left as
is (see DECISIONS.md).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* test(bank-sync): use the options object in the remaining chip-state calls

Four multi-line calls still passed the clock positionally after
getChipState moved to an options object; tsc flagged them (vitest did not,
the extra argument was ignored at runtime).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* fix(api): address skeptic findings on the agent-triggered bank sync

Three refutations from the pre-publish skeptic pass:

1. Core imported the extension. The v1 sync route pulled the runner
   straight from @/extensions, which the core-build gate rejects and which
   left a live bank endpoint on zero-extension builds. The route now
   resolves it through the registry's services channel against a contract
   in lib/bank-sync/trigger-sync-contract.ts (same pattern as the
   Skatteverket read service) and answers EXTENSION_DISABLED when the
   extension is absent.

2. The idempotency cache stored the handler-level 429. A same-key retry
   after Retry-After, which is the documented retry, replayed the stale
   cooldown as a 400 for the cache's 24-hour TTL. withApiV1 no longer
   caches 429 responses; regression test added. The endpoint's pitfall no
   longer claims Idempotency-Key is mandatory (it was never enforced).

3. Two cron tests read the clock twice and failed whenever a millisecond
   passed between the reads. They now pin the clock with fake timers.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QdcDV7CngLkWUvfKSsxFhS

* fix(bank-sync): durable cooldown lease and review wording

Resolves the PR #2165 review findings in one pass.

Superagent P1: the attempt throttle was a process-local Map, so two agent
calls on different serverless instances (or a retry after a cold start on
a failing connection) could each bill an Enable Banking call, contradicting
the one-sync-per-15-minutes promise. New bank_connections.sync_lease_until
(migration 20260902150000), claimed with one conditional UPDATE before the
bank is called; Postgres row locking makes exactly one claimer win, the
rest answer BANK_SYNC_COOLDOWN. The lease stays for the full window on
success and failure. Tests cover the claim order, a failed attempt seen
from a second instance, a lost race, and an expired lease.

CodeRabbit: the =1 plural branch now reads "in 1 day" / "om 1 dag"
(daysUntilConsentExpiry rounds a partial day up, so "tomorrow" could be
today); the cooldown pitfall on the v1 endpoint, the MCP description and
the in-band cooldown instruction now say a cooldown can follow a failed
attempt and tell the agent to compare last_synced_at before deciding.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0125TMQQBjBBZG9YxP7wQWub

* fix(bank-sync): lease claim as a literal filter for the schema guard

CI's no-phantom-columns guard counts runtime-built query expressions and
its ceiling is exact; the templated `.or('sync_lease_until.is.null,...')`
claim added one. The column now defaults to epoch (NOT NULL), so "never
claimed" is just "expired long ago" and the atomic claim is a single
literal `.lte('sync_lease_until', now)` the guard can check. Migration is
unshipped (same PR), so it is edited in place.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0125TMQQBjBBZG9YxP7wQWub

* fix(bank-sync): runner verifies company membership before the lease

Superagent (round 3): the MCP path reached the shared runner without a
membership check of its own. Both callers do enforce it upstream
(withApiV1's company resolution and resolveMcpCompanyContext in the MCP
dispatcher), but the runner writes transactions and bills a bank call, so
it now checks company_members itself, before the cooldown and the lease
claim, and answers NOT_FOUND for a non-member. The viewer check that was
buried inside the sync block moves up with it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0125TMQQBjBBZG9YxP7wQWub

---------

Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Mattsson
2026-09-02 17:17:41 +02:00
committed by GitHub
co-authored by Claude Fable 5.1
parent 723a0f537b
commit b68c082ef5
30 changed files with 1914 additions and 53 deletions
@@ -12,6 +12,7 @@ import {
type ASPSP,
} from './lib/api-client'
import { syncAccountTransactions } from './lib/sync'
import { triggerConnectionSync } from './lib/trigger-sync'
import { findReusableSessions, countLiveSiblings } from './lib/session-sharing'
import {
runUnattendedReconciliationSweep,
@@ -62,6 +63,13 @@ export const enableBankingExtension: Extension = {
path: '/settings/banking',
},
// Registry-resolved services for core callers (core cannot import
// @/extensions). Contract: lib/bank-sync/trigger-sync-contract.ts.
services: {
// Agent-triggered sync behind POST /api/v1/.../bank-connections/{id}/sync.
triggerConnectionSync,
},
apiRoutes: [
{
method: 'GET',
@@ -0,0 +1,37 @@
import { describe, expect, it } from 'vitest'
import { incrementalLookbackDays } from '../cron-lookback'
const NOW = Date.parse('2026-09-02T05:00:00Z')
const daysAgo = (d: number) => new Date(NOW - d * 24 * 60 * 60 * 1000).toISOString()
describe('incrementalLookbackDays', () => {
it('keeps the 7-day window when the last sync is recent', () => {
expect(incrementalLookbackDays(daysAgo(0), NOW)).toBe(7)
expect(incrementalLookbackDays(daysAgo(1), NOW)).toBe(7)
expect(incrementalLookbackDays(daysAgo(5), NOW)).toBe(7)
})
it('widens the window to cover a gap, with one day of overlap', () => {
expect(incrementalLookbackDays(daysAgo(7), NOW)).toBe(8)
expect(incrementalLookbackDays(daysAgo(20), NOW)).toBe(21)
})
it('rounds a partial day up so the gap is never under-covered', () => {
expect(incrementalLookbackDays(daysAgo(10.4), NOW)).toBe(12)
})
it('caps at the 90-day PSD2 limit', () => {
expect(incrementalLookbackDays(daysAgo(200), NOW)).toBe(90)
expect(incrementalLookbackDays(daysAgo(89), NOW)).toBe(90)
})
it('falls back to 7 days when there is no usable timestamp', () => {
expect(incrementalLookbackDays(null, NOW)).toBe(7)
expect(incrementalLookbackDays(undefined, NOW)).toBe(7)
expect(incrementalLookbackDays('not a date', NOW)).toBe(7)
})
it('never goes below 7 days for a future timestamp (clock skew)', () => {
expect(incrementalLookbackDays(daysAgo(-2), NOW)).toBe(7)
})
})
@@ -0,0 +1,269 @@
import { beforeEach, describe, expect, it, vi } from 'vitest'
const mocks = vi.hoisted(() => ({
syncAccountTransactions: vi.fn(),
updateBalancesFromSync: vi.fn(),
emit: vi.fn(),
}))
vi.mock('../sync', () => ({
syncAccountTransactions: (...args: unknown[]) => mocks.syncAccountTransactions(...args),
}))
vi.mock('@/lib/cash-accounts/service', () => ({
updateBalancesFromSync: (...args: unknown[]) => mocks.updateBalancesFromSync(...args),
}))
vi.mock('@/lib/events/bus', () => ({
eventBus: { emit: (...args: unknown[]) => mocks.emit(...args) },
}))
import { SessionExpiredError, REAUTH_REQUIRED_MESSAGE } from '../api-client'
import { SYNC_COOLDOWN_MS, triggerConnectionSync } from '../trigger-sync'
const COMPANY_ID = 'aaaaaaaa-aaaa-4aaa-8aaa-aaaaaaaaaaaa'
const CONNECTION_ID = '11111111-1111-4111-8111-111111111111'
const NOW = Date.parse('2026-09-02T09:00:00Z')
const DAY_MS = 24 * 60 * 60 * 1000
interface State {
connection: Record<string, unknown> | null
membershipRole: string | null
sieOverlap: boolean
updates: Record<string, unknown>[]
/**
* The durable lease as the database holds it (epoch when never claimed).
* The conditional UPDATE the runner issues (`sync_lease_until <= now`) is
* reproduced here: a held lease makes the claim return no row.
*/
leaseUntil: string
}
const EPOCH = '1970-01-01T00:00:00.000Z'
function makeClient(state: State) {
return {
from: (table: string) => {
let updatePayload: Record<string, unknown> | null = null
let lteFilter: { column: string; value: string } | null = null
const chain: Record<string, unknown> = {}
const passthrough = ['select', 'eq', 'gte', 'order', 'limit', 'in']
for (const m of passthrough) chain[m] = vi.fn(() => chain)
chain.lte = vi.fn((column: string, value: string) => {
lteFilter = { column, value }
return chain
})
chain.update = vi.fn((payload: Record<string, unknown>) => {
updatePayload = payload
return chain
})
const resolve = () => {
if (updatePayload && 'sync_lease_until' in updatePayload) {
// Atomic claim: `.lte('sync_lease_until', <now>)`.
if (lteFilter?.column !== 'sync_lease_until') {
throw new Error('lease claim must carry the conditional filter')
}
if (state.leaseUntil > lteFilter.value) return { data: [], error: null }
state.leaseUntil = updatePayload.sync_lease_until as string
state.updates.push(updatePayload)
return { data: [{ id: CONNECTION_ID }], error: null }
}
if (updatePayload) {
state.updates.push(updatePayload)
return { data: null, error: null }
}
if (table === 'bank_connections') return { data: state.connection, error: null }
if (table === 'company_members')
return { data: state.membershipRole ? { role: state.membershipRole } : null, error: null }
if (table === 'sie_imports') return { data: state.sieOverlap ? { id: 'sie-1' } : null, error: null }
if (table === 'transactions') return { data: [{ id: 'tx-1' }], error: null }
return { data: null, error: null }
}
chain.maybeSingle = vi.fn(() => Promise.resolve(resolve()))
chain.then = (onFulfilled: (v: unknown) => unknown) => Promise.resolve(resolve()).then(onFulfilled)
return chain
},
}
}
function connection(overrides: Record<string, unknown> = {}) {
return {
id: CONNECTION_ID,
company_id: COMPANY_ID,
bank_name: 'Swedbank',
status: 'active',
accounts_data: [
{ uid: 'acc-1', currency: 'SEK', enabled: true, balance: 100 },
{ uid: 'acc-2', currency: 'SEK', enabled: false, balance: 5 },
],
last_synced_at: new Date(NOW - 2 * DAY_MS).toISOString(),
error_message: null,
sync_lease_until: EPOCH,
...overrides,
}
}
const log = { info: vi.fn(), warn: vi.fn(), error: vi.fn() }
let state: State
function run(now = NOW) {
return triggerConnectionSync(makeClient(state) as never, {
companyId: COMPANY_ID,
userId: 'user-1',
connectionId: CONNECTION_ID,
log,
now,
})
}
describe('triggerConnectionSync', () => {
beforeEach(() => {
vi.clearAllMocks()
state = {
connection: connection(),
membershipRole: 'owner',
sieOverlap: false,
updates: [],
leaseUntil: EPOCH,
}
mocks.syncAccountTransactions.mockResolvedValue({ imported: 2, duplicates: 5, errors: 0 })
mocks.updateBalancesFromSync.mockResolvedValue(undefined)
mocks.emit.mockResolvedValue(undefined)
})
it('syncs only the enabled accounts over the gap-aware window and stamps last_synced_at', async () => {
const result = await run()
expect(result.ok).toBe(true)
if (!result.ok) return
expect(result).toMatchObject({ connection_id: CONNECTION_ID, bank: 'Swedbank', imported: 2, duplicates: 5 })
// Synced 2 days ago: the 7-day floor applies.
expect(result.from_date).toBe(new Date(NOW - 7 * DAY_MS).toISOString().split('T')[0])
expect(result.to_date).toBe('2026-09-02')
expect(mocks.syncAccountTransactions).toHaveBeenCalledTimes(1)
expect(mocks.syncAccountTransactions.mock.calls[0][4]).toMatchObject({ uid: 'acc-1' })
expect(state.updates.at(-1)).toMatchObject({ last_synced_at: result.last_synced_at })
// Write-back keeps the disabled account so the user's selection survives.
expect((state.updates.at(-1)!.accounts_data as unknown[]).length).toBe(2)
expect(mocks.updateBalancesFromSync).toHaveBeenCalledTimes(1)
expect(mocks.emit).toHaveBeenCalledWith(expect.objectContaining({ type: 'transaction.synced' }))
})
it('widens the window to cover a longer gap and asks for the deepest history past a month', async () => {
state.connection = connection({ last_synced_at: new Date(NOW - 40 * DAY_MS).toISOString() })
const result = await run()
expect(result.ok).toBe(true)
if (!result.ok) return
expect(result.from_date).toBe(new Date(NOW - 41 * DAY_MS).toISOString().split('T')[0])
expect(mocks.syncAccountTransactions.mock.calls[0][8]).toMatchObject({ strategy: 'longest' })
})
it('refuses with a cooldown when the connection synced within 15 minutes', async () => {
const syncedAt = NOW - 5 * 60 * 1000
state.connection = connection({ last_synced_at: new Date(syncedAt).toISOString() })
const result = await run()
expect(result).toMatchObject({
ok: false,
code: 'BANK_SYNC_COOLDOWN',
next_allowed_at: new Date(syncedAt + SYNC_COOLDOWN_MS).toISOString(),
retry_after_seconds: 600,
})
expect(mocks.syncAccountTransactions).not.toHaveBeenCalled()
})
it('claims the durable lease before calling the bank', async () => {
await run()
expect(state.leaseUntil).toBe(new Date(NOW + SYNC_COOLDOWN_MS).toISOString())
// The claim is issued before syncAccountTransactions: the lease row
// update is the first write recorded.
expect(state.updates[0]).toEqual({ sync_lease_until: state.leaseUntil })
})
it('throttles a failing connection by the lease, not only by last_synced_at', async () => {
mocks.syncAccountTransactions.mockRejectedValue(new Error('ASPSP 500'))
const first = await run()
expect(first).toMatchObject({ ok: false, code: 'BANK_SYNC_FAILED' })
// A second instance re-reads the row: the lease is now held.
state.connection = connection({ sync_lease_until: state.leaseUntil })
const second = await run(NOW + 60 * 1000)
expect(second).toMatchObject({
ok: false,
code: 'BANK_SYNC_COOLDOWN',
next_allowed_at: state.leaseUntil,
retry_after_seconds: 14 * 60,
})
expect(mocks.syncAccountTransactions).toHaveBeenCalledTimes(1)
})
it('loses the race to a concurrent claimer and never calls the bank', async () => {
// Our read saw no lease; between the read and the claim another
// serverless instance took it. The conditional UPDATE returns no row.
state.leaseUntil = new Date(NOW + SYNC_COOLDOWN_MS - 1000).toISOString()
const result = await run()
expect(result).toMatchObject({ ok: false, code: 'BANK_SYNC_COOLDOWN' })
expect(mocks.syncAccountTransactions).not.toHaveBeenCalled()
expect(mocks.updateBalancesFromSync).not.toHaveBeenCalled()
})
it('accepts a sync once a previous lease has expired', async () => {
state.leaseUntil = new Date(NOW - 1000).toISOString()
state.connection = connection({ sync_lease_until: state.leaseUntil })
const result = await run()
expect(result.ok).toBe(true)
expect(state.leaseUntil).toBe(new Date(NOW + SYNC_COOLDOWN_MS).toISOString())
})
it('answers NOT_FOUND for a connection outside the company or a non-uuid id', async () => {
state.connection = null
expect(await run()).toMatchObject({ ok: false, code: 'NOT_FOUND' })
const bogus = await triggerConnectionSync(makeClient(state) as never, {
companyId: COMPANY_ID,
userId: 'user-1',
connectionId: 'not-a-uuid',
log,
now: NOW,
})
expect(bogus).toMatchObject({ ok: false, code: 'NOT_FOUND' })
})
it('answers NOT_FOUND when the caller is not a member of the company, before any lease or bank call', async () => {
state.membershipRole = null
expect(await run()).toMatchObject({ ok: false, code: 'NOT_FOUND' })
expect(state.leaseUntil).toBe(EPOCH)
expect(mocks.syncAccountTransactions).not.toHaveBeenCalled()
})
it('refuses an expired or pending connection: only BankID can fix those', async () => {
state.connection = connection({ status: 'expired' })
expect(await run()).toMatchObject({ ok: false, code: 'BANK_SYNC_NOT_ACTIVE', status: 'expired' })
state.connection = connection({ status: 'pending_selection' })
expect(await run()).toMatchObject({ ok: false, code: 'BANK_SYNC_NOT_ACTIVE' })
expect(mocks.syncAccountTransactions).not.toHaveBeenCalled()
})
it('retries an errored connection and recovers it to active on success', async () => {
state.connection = connection({ status: 'error', error_message: 'Banksynkningen misslyckades.' })
const result = await run()
expect(result.ok).toBe(true)
expect(state.updates.at(-1)).toMatchObject({ status: 'active', error_message: null })
})
it('refuses when every account is deselected', async () => {
state.connection = connection({ accounts_data: [{ uid: 'acc-1', enabled: false }] })
expect(await run()).toMatchObject({ ok: false, code: 'BANK_SYNC_NO_ACCOUNTS' })
})
it('flips the connection to expired when the bank reports the session dead', async () => {
mocks.syncAccountTransactions.mockRejectedValue(new SessionExpiredError(401, 'consent closed'))
const result = await run()
expect(result).toMatchObject({ ok: false, code: 'BANK_SESSION_EXPIRED', status: 'expired' })
expect(state.updates.at(-1)).toMatchObject({ status: 'expired', error_message: REAUTH_REQUIRED_MESSAGE })
})
it('suppresses auto-categorisation over a completed SIE import and for viewers', async () => {
state.sieOverlap = true
state.membershipRole = 'viewer'
await run()
expect(mocks.syncAccountTransactions.mock.calls[0][8]).toMatchObject({
skipAutoCategorization: true,
rawInsertOnly: true,
})
})
})
@@ -0,0 +1,30 @@
/**
* How far back the daily cron asks the bank for transactions on an
* incremental (non-first) sync.
*
* A fixed 7-day window silently loses data whenever a connection pauses for
* longer than a week: a lapsed subscription that is paid again, a consent
* renewed after it expired, an outage. The row still carries the last
* successful sync, so the window is widened to cover the gap, with one day
* of overlap for late-booked transactions (dedup via external_id makes the
* overlap harmless). Capped at the PSD2 90-day limit a bank will serve
* without fresh SCA.
*
* Pure module so the arithmetic is unit-testable.
*/
export const INCREMENTAL_LOOKBACK_DAYS = 7
export const MAX_LOOKBACK_DAYS = 90
const DAY_MS = 24 * 60 * 60 * 1000
export function incrementalLookbackDays(
lastSyncedAt: string | null | undefined,
now: number = Date.now(),
): number {
if (!lastSyncedAt) return INCREMENTAL_LOOKBACK_DAYS
const syncedAt = new Date(lastSyncedAt).getTime()
if (!Number.isFinite(syncedAt)) return INCREMENTAL_LOOKBACK_DAYS
const daysSince = Math.ceil(Math.max(0, now - syncedAt) / DAY_MS)
return Math.min(MAX_LOOKBACK_DAYS, Math.max(INCREMENTAL_LOOKBACK_DAYS, daysSince + 1))
}
@@ -0,0 +1,297 @@
/**
* Agent-triggered bank sync: the shared runner behind the v1 REST endpoint
* POST /companies/{id}/bank-connections/{connectionId}/sync and the MCP tool
* gnubok_sync_bank.
*
* Deliberately narrower than the cookie-session "Synka nu" route in
* index.ts: the window is never caller-controlled (the gap-aware incremental
* lookback from cron-lookback.ts, 7 to 90 days), and a connection that
* synced OR was attempted within SYNC_COOLDOWN_MS answers with a cooldown
* instead of another paid Enable Banking round-trip. The attempt guard is a
* durable lease on bank_connections.sync_lease_until, claimed with one
* conditional UPDATE, so it holds across serverless instances and cold
* starts. An unattended agent loop therefore costs at most one sync per
* connection per cooldown window, regardless of how often it asks.
*
* Failures are reported as codes, never thrown, so each surface maps them
* to its own envelope (structured-errors.ts BANK_SYNC_*). A dead PSD2
* session is flipped to 'expired' here exactly like the web route does:
* nothing an API call can do revives it, only BankID in a browser.
*
* Core cannot import this module (CI guard): the v1 route reaches it via
* the extension's registered `services`, against the contract in
* lib/bank-sync/trigger-sync-contract.ts.
*/
import type { SupabaseClient } from '@supabase/supabase-js'
import { syncAccountTransactions, type SyncOptions } from './sync'
import {
SessionExpiredError,
REAUTH_REQUIRED_MESSAGE,
SYNC_FAILED_MESSAGE,
} from './api-client'
import { incrementalLookbackDays } from './cron-lookback'
import { updateBalancesFromSync } from '@/lib/cash-accounts/service'
import { eventBus } from '@/lib/events/bus'
import {
SYNC_COOLDOWN_MS,
type TriggerSyncInput,
type TriggerSyncResult,
} from '@/lib/bank-sync/trigger-sync-contract'
import type { StoredAccount } from '../types'
import type { Transaction } from '@/types'
export { SYNC_COOLDOWN_MS }
export type { TriggerSyncInput, TriggerSyncResult }
function isUuid(value: string): boolean {
return /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i.test(value)
}
function cooldownResult(connectionId: string, nextAllowed: number, now: number): TriggerSyncResult {
return {
ok: false,
code: 'BANK_SYNC_COOLDOWN',
connection_id: connectionId,
next_allowed_at: new Date(nextAllowed).toISOString(),
retry_after_seconds: Math.max(1, Math.ceil((nextAllowed - now) / 1000)),
}
}
export async function triggerConnectionSync(
supabase: SupabaseClient,
input: TriggerSyncInput,
): Promise<TriggerSyncResult> {
const { companyId, userId, connectionId, log } = input
const now = input.now ?? Date.now()
if (!isUuid(connectionId)) {
return { ok: false, code: 'NOT_FOUND', connection_id: connectionId }
}
const { data: connection, error: connectionError } = await supabase
.from('bank_connections')
.select(
'id, company_id, bank_name, status, accounts_data, last_synced_at, error_message, sync_lease_until',
)
.eq('id', connectionId)
.eq('company_id', companyId)
.maybeSingle()
if (connectionError) throw connectionError
if (!connection) {
return { ok: false, code: 'NOT_FOUND', connection_id: connectionId }
}
// 'error' is retryable (a transient upstream failure parks the row there
// while the session is alive); 'expired' and the pending states are not:
// they need the browser flow.
if (connection.status !== 'active' && connection.status !== 'error') {
return {
ok: false,
code: 'BANK_SYNC_NOT_ACTIVE',
connection_id: connectionId,
status: connection.status,
}
}
// Membership is enforced by both callers before we run (withApiV1's
// company resolution, the MCP dispatcher's resolveMcpCompanyContext), but
// this runner writes transactions and bills a bank call, so it checks the
// caller's membership itself as well: a service-role client with the
// wrong userId must never get past this point. Viewers get raw inserts
// only, exactly like the web route.
const { data: membership, error: membershipError } = await supabase
.from('company_members')
.select('role')
.eq('company_id', companyId)
.eq('user_id', userId)
.maybeSingle()
if (membershipError) throw membershipError
if (!membership) {
return { ok: false, code: 'NOT_FOUND', connection_id: connectionId }
}
const isViewer = (membership as { role?: string }).role === 'viewer'
// A successful sync (ours, the web button's or the cron's) within the
// window: the data is fresh, say so without touching the bank.
const lastSynced = connection.last_synced_at
? new Date(connection.last_synced_at as string).getTime()
: null
if (lastSynced !== null && now - lastSynced < SYNC_COOLDOWN_MS) {
return cooldownResult(connectionId, lastSynced + SYNC_COOLDOWN_MS, now)
}
// A lease still held from a recent ATTEMPT (success or failure): cheap
// read-side answer before the write below.
const heldLease = connection.sync_lease_until
? new Date(connection.sync_lease_until as string).getTime()
: null
if (heldLease !== null && heldLease > now) {
return cooldownResult(connectionId, heldLease, now)
}
const allAccounts = ((connection.accounts_data as StoredAccount[] | null) ?? []).map((a) => ({
...a,
}))
const accounts = allAccounts.filter((a) => a.enabled !== false)
if (accounts.length === 0) {
return { ok: false, code: 'BANK_SYNC_NO_ACCOUNTS', connection_id: connectionId }
}
// Durable, atomic cooldown claim. One conditional UPDATE: the lease is
// taken only if the current one has expired (the column defaults to epoch,
// so "never claimed" needs no NULL branch), and Postgres row locking
// serialises concurrent claimers, so two agent calls landing on different
// serverless instances (or retries of a failing connection after a cold
// start) can never both reach the bank. The lease stays for the full
// window whether the sync succeeds or fails: that IS the throttle.
const nowIso = new Date(now).toISOString()
const leaseUntil = now + SYNC_COOLDOWN_MS
const { data: claimed, error: claimError } = await supabase
.from('bank_connections')
.update({ sync_lease_until: new Date(leaseUntil).toISOString() })
.eq('id', connectionId)
.eq('company_id', companyId)
.lte('sync_lease_until', nowIso)
.select('id')
if (claimError) throw claimError
if (!claimed || claimed.length === 0) {
// Lost the race: another caller claimed between our read and this write.
// Its lease started at most a moment ago, so ours is the honest estimate.
log.info('agent-triggered bank sync: lease held by a concurrent caller', { connectionId })
return cooldownResult(connectionId, leaseUntil, now)
}
const lookbackDays = incrementalLookbackDays(connection.last_synced_at as string | null, now)
const toDate = new Date(now).toISOString().split('T')[0]
const fromDate = new Date(now - lookbackDays * 24 * 60 * 60 * 1000).toISOString().split('T')[0]
const syncStartedAt = new Date(now).toISOString()
try {
// Same SIE-overlap guard as the web route and the cron: never
// auto-categorise into a range a completed SIE import already covers.
const { data: sieOverlap } = await supabase
.from('sie_imports')
.select('id')
.eq('company_id', companyId)
.eq('status', 'completed')
.gte('fiscal_year_end', fromDate)
.limit(1)
.maybeSingle()
const syncOptions: SyncOptions = {
...(sieOverlap ? { skipAutoCategorization: true } : {}),
...(isViewer ? { rawInsertOnly: true } : {}),
...(lookbackDays >= 30 ? { strategy: 'longest' as const } : {}),
}
const results = await Promise.all(
accounts.map((account) =>
syncAccountTransactions(
supabase,
companyId,
userId,
connection.id as string,
account,
fromDate,
toDate,
undefined,
syncOptions,
),
),
)
const imported = results.reduce((sum, r) => sum + r.imported, 0)
const duplicates = results.reduce((sum, r) => sum + r.duplicates, 0)
const syncedAt = new Date().toISOString()
await updateBalancesFromSync(
supabase,
companyId,
connection.id as string,
allAccounts.map((a) => ({
external_uid: a.uid,
balance: a.balance,
available_balance: a.available_balance,
balance_updated_at: a.balance_updated_at,
})),
)
await supabase
.from('bank_connections')
.update({
accounts_data: allAccounts,
last_synced_at: syncedAt,
...(connection.status === 'error' ? { status: 'active' } : {}),
...(connection.status === 'error' || connection.error_message ? { error_message: null } : {}),
})
.eq('id', connection.id)
.eq('company_id', companyId)
if (imported > 0) {
const { data: syncedTransactions } = await supabase
.from('transactions')
.select('*')
.eq('company_id', companyId)
.eq('bank_connection_id', connection.id)
.gte('created_at', syncStartedAt)
.order('created_at', { ascending: false })
.limit(imported)
if (syncedTransactions && syncedTransactions.length > 0) {
await eventBus.emit({
type: 'transaction.synced',
payload: { transactions: syncedTransactions as Transaction[], userId, companyId },
})
}
}
log.info('agent-triggered bank sync completed', {
connectionId,
imported,
duplicates,
lookbackDays,
})
return {
ok: true,
connection_id: connection.id as string,
bank: (connection.bank_name as string | null) ?? null,
imported,
duplicates,
from_date: fromDate,
to_date: toDate,
last_synced_at: syncedAt,
}
} catch (error) {
if (error instanceof SessionExpiredError) {
log.warn('agent-triggered bank sync: session expired', { connectionId })
await supabase
.from('bank_connections')
.update({ status: 'expired', error_message: REAUTH_REQUIRED_MESSAGE })
.eq('id', connection.id)
.eq('company_id', companyId)
return {
ok: false,
code: 'BANK_SESSION_EXPIRED',
connection_id: connectionId,
status: 'expired',
}
}
log.error('agent-triggered bank sync failed', {
connectionId,
message: error instanceof Error ? error.message : String(error),
name: error instanceof Error ? error.name : undefined,
})
if (connection.status === 'error') {
await supabase
.from('bank_connections')
.update({ error_message: SYNC_FAILED_MESSAGE })
.eq('id', connection.id)
.eq('company_id', companyId)
}
return {
ok: false,
code: 'BANK_SYNC_FAILED',
connection_id: connectionId,
status: connection.status as string,
}
}
}
@@ -0,0 +1,153 @@
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
// Agent-triggered PSD2 sync: the MCP twin of
// POST /api/v1/companies/{id}/bank-connections/{connectionId}/sync.
// The runner itself is covered in extensions/general/enable-banking; this
// file pins the tool's contract: scope, capability gate, the in-band
// cooldown answer, and that real failures flow through the coded envelope.
const mocks = vi.hoisted(() => ({
triggerConnectionSync: vi.fn(),
}))
vi.mock('@/extensions/general/enable-banking/lib/trigger-sync', async () => {
const actual = await vi.importActual<
typeof import('@/extensions/general/enable-banking/lib/trigger-sync')
>('@/extensions/general/enable-banking/lib/trigger-sync')
return {
...actual,
triggerConnectionSync: (...args: unknown[]) => mocks.triggerConnectionSync(...args),
}
})
import { TOOL_SCOPE_MAP } from '@/lib/auth/api-keys'
import { eventBus } from '@/lib/events/bus'
import { MCP_TOOL_CAPABILITY_MAP } from '@/lib/entitlements/keys'
import { tools } from '../server'
const COMPANY_ID = '11111111-1111-4111-8111-111111111111'
const CONNECTION_ID = '22222222-2222-4222-8222-222222222222'
const tool = tools.find((t) => t.name === 'gnubok_sync_bank')!
describe('gnubok_sync_bank', () => {
beforeEach(() => {
vi.clearAllMocks()
eventBus.clear()
})
afterEach(() => {
vi.unstubAllEnvs()
})
it('is a transactions:write tool gated on bank_sync and flagged open-world', () => {
expect(TOOL_SCOPE_MAP.gnubok_sync_bank).toBe('transactions:write')
expect(MCP_TOOL_CAPABILITY_MAP.gnubok_sync_bank).toBe('bank_sync')
expect(tool.annotations.readOnlyHint).toBe(false)
expect(tool.annotations.openWorldHint).toBe(true)
expect(tool.inputSchema).toMatchObject({ additionalProperties: false, required: ['connection_id'] })
})
it('runs the shared sync runner for the company and reports the outcome', async () => {
mocks.triggerConnectionSync.mockResolvedValue({
ok: true,
connection_id: CONNECTION_ID,
bank: 'Swedbank',
imported: 3,
duplicates: 12,
from_date: '2026-08-26',
to_date: '2026-09-02',
last_synced_at: '2026-09-02T09:14:03.000Z',
})
const supabase = {} as never
const result = (await tool.execute(
{ connection_id: CONNECTION_ID },
COMPANY_ID,
'user-1',
supabase,
)) as Record<string, unknown>
expect(mocks.triggerConnectionSync).toHaveBeenCalledWith(
supabase,
expect.objectContaining({ companyId: COMPANY_ID, userId: 'user-1', connectionId: CONNECTION_ID }),
)
expect(result).toMatchObject({
synced: true,
connection_id: CONNECTION_ID,
bank: 'Swedbank',
imported: 3,
duplicates: 12,
last_synced_at: '2026-09-02T09:14:03.000Z',
next_allowed_at: null,
})
expect(result.instructions).toContain('3 new transaction')
})
it('tells the agent nothing was missing when the bank had no news', async () => {
mocks.triggerConnectionSync.mockResolvedValue({
ok: true,
connection_id: CONNECTION_ID,
bank: 'SEB',
imported: 0,
duplicates: 4,
from_date: '2026-08-26',
to_date: '2026-09-02',
last_synced_at: '2026-09-02T09:14:03.000Z',
})
const result = (await tool.execute(
{ connection_id: CONNECTION_ID },
COMPANY_ID,
'user-1',
{} as never,
)) as Record<string, unknown>
expect(result.synced).toBe(true)
expect(result.instructions).toContain('nothing new')
})
it('answers a cooldown in-band with next_allowed_at instead of throwing', async () => {
mocks.triggerConnectionSync.mockResolvedValue({
ok: false,
code: 'BANK_SYNC_COOLDOWN',
connection_id: CONNECTION_ID,
next_allowed_at: '2026-09-02T09:29:03.000Z',
retry_after_seconds: 600,
})
const result = (await tool.execute(
{ connection_id: CONNECTION_ID },
COMPANY_ID,
'user-1',
{} as never,
)) as Record<string, unknown>
expect(result).toMatchObject({
synced: false,
connection_id: CONNECTION_ID,
next_allowed_at: '2026-09-02T09:29:03.000Z',
})
expect(result.instructions).toContain('next_allowed_at')
// A cooldown can follow a FAILED attempt too (durable lease): the agent
// must be told to check freshness rather than assume it.
expect(result.instructions).toContain('last_synced_at')
})
it.each([
'NOT_FOUND',
'BANK_SYNC_NOT_ACTIVE',
'BANK_SYNC_NO_ACCOUNTS',
'BANK_SESSION_EXPIRED',
'BANK_SYNC_FAILED',
] as const)('throws a coded error for %s so the dispatch envelope carries the remediation', async (code) => {
mocks.triggerConnectionSync.mockResolvedValue({ ok: false, code, connection_id: CONNECTION_ID })
await expect(
tool.execute({ connection_id: CONNECTION_ID }, COMPANY_ID, 'user-1', {} as never),
).rejects.toMatchObject({ code })
})
it('passes a blank connection_id through as an empty string (runner answers NOT_FOUND)', async () => {
mocks.triggerConnectionSync.mockResolvedValue({ ok: false, code: 'NOT_FOUND', connection_id: '' })
await expect(tool.execute({}, COMPANY_ID, 'user-1', {} as never)).rejects.toMatchObject({
code: 'NOT_FOUND',
})
expect(mocks.triggerConnectionSync).toHaveBeenCalledWith(
expect.anything(),
expect.objectContaining({ connectionId: '' }),
)
})
})
+80
View File
@@ -251,6 +251,7 @@ import { findDuplicatePaymentCandidatesForInvoice } from '@/lib/invoices/duplica
import { getEmailService } from '@/lib/email/service'
import { hasCapability, capabilityBlockedError } from '@/lib/entitlements/has-capability'
import { MCP_TOOL_CAPABILITY_MAP } from '@/lib/entitlements/keys'
import { triggerConnectionSync } from '@/extensions/general/enable-banking/lib/trigger-sync'
import {
completePendingDocumentUpload,
createPendingDocumentUpload,
@@ -3759,6 +3760,85 @@ export const tools: McpTool[] = [
},
},
{
name: 'gnubok_sync_bank',
keywords: ['synka bank', 'banksynk', 'hämta banktransaktioner', 'uppdatera bank', 'synka nu'],
title: 'Sync Bank Now',
description:
'Sync one PSD2 bank connection now instead of waiting for the nightly run. Use when gnubok_connect_bank shows a stale last_synced_at on an active connection. Server picks the window; synced=false with next_allowed_at means a sync ran or was attempted within 15 min.',
inputSchema: {
type: 'object',
additionalProperties: false,
required: ['connection_id'],
properties: {
connection_id: {
type: 'string',
description: 'connection_id from gnubok_connect_bank.',
},
},
},
outputSchema: {
type: 'object',
properties: {
synced: { type: 'boolean' },
connection_id: { type: 'string' },
bank: { type: ['string', 'null'] },
imported: { type: 'integer' },
duplicates: { type: 'integer' },
last_synced_at: { type: ['string', 'null'] },
next_allowed_at: { type: ['string', 'null'] },
instructions: { type: 'string' },
},
required: ['synced', 'connection_id', 'instructions'],
},
annotations: ANNOTATIONS_WRITE_OPEN_WORLD,
async execute(args, companyId, userId, supabase) {
const connectionId = typeof args.connection_id === 'string' ? args.connection_id.trim() : ''
const result = await triggerConnectionSync(supabase, {
companyId,
userId,
connectionId,
log,
})
if (!result.ok) {
// Cooldown is not a failure: the data is fresh. Say so in-band so the
// agent reads on instead of retrying; everything else is a real
// error and flows through the structured envelope (BANK_SYNC_* codes
// carry the remediation, incl. "hand the user the connect link").
if (result.code === 'BANK_SYNC_COOLDOWN') {
return {
synced: false,
connection_id: result.connection_id,
bank: null,
last_synced_at: null,
next_allowed_at: result.next_allowed_at ?? null,
instructions:
'A sync ran or was attempted on this connection within the last 15 minutes. Check last_synced_at via gnubok_connect_bank: if it is fresh, transactions and balances are already current, continue with gnubok_list_uncategorized_transactions. If it is still stale, the previous attempt failed; retry once after next_allowed_at, never before.',
}
}
throw Object.assign(
new Error(`Bank sync refused for connection ${result.connection_id}: ${result.code}`),
{ code: result.code },
)
}
return {
synced: true,
connection_id: result.connection_id,
bank: result.bank,
imported: result.imported,
duplicates: result.duplicates,
last_synced_at: result.last_synced_at,
next_allowed_at: null,
instructions:
result.imported > 0
? `${result.imported} new transaction(s) fetched from the bank (${result.from_date} to ${result.to_date}). Continue with gnubok_list_uncategorized_transactions.`
: `The bank had nothing new for ${result.from_date} to ${result.to_date}: the data was already complete. Banks report with up to 48 hours of delay, so today's transactions often arrive tomorrow; do not call again for that.`,
}
},
},
{
name: 'gnubok_connect_skatteverket',
keywords: ['skatteverket', 'koppla skatteverket', 'deklarationsombud'],