fix(imap): clear stale UID when UIDVALIDITY changes during state merge

waleedlatif1 · waleedlatif1 · commit c378d9ede6e5 · 2026-04-08T22:34:49.000-07:00
diff --git a/apps/sim/lib/webhooks/polling/imap.ts b/apps/sim/lib/webhooks/polling/imap.ts
@@ -198,6 +198,13 @@ async function updateImapState(
     mergedUidByMailbox[mailbox] = Math.max(uid, mergedUidByMailbox[mailbox] || 0)
   }
 
+  const prevUidValidity = config.uidValidityByMailbox || {}
+  for (const [mailbox, validity] of Object.entries(uidValidityByMailbox)) {
+    if (prevUidValidity[mailbox] !== undefined && prevUidValidity[mailbox] !== validity) {
+      delete mergedUidByMailbox[mailbox]
+    }
+  }
+
   await updateWebhookProviderConfig(
     webhookId,
     {

Original file line number	Diff line number	Diff line change
`@@ -198,6 +198,13 @@ async function updateImapState(`
`198`	`198`	`mergedUidByMailbox[mailbox] = Math.max(uid, mergedUidByMailbox[mailbox] \|\| 0)`
`199`	`199`	`}`
`200`	`200`
	`201`	`+ const prevUidValidity = config.uidValidityByMailbox \|\| {}`
	`202`	`+ for (const [mailbox, validity] of Object.entries(uidValidityByMailbox)) {`
	`203`	`+ if (prevUidValidity[mailbox] !== undefined && prevUidValidity[mailbox] !== validity) {`
	`204`	`+ delete mergedUidByMailbox[mailbox]`
	`205`	`+ }`
	`206`	`+ }`
	`207`	`+`
`201`	`208`	`await updateWebhookProviderConfig(`
`202`	`209`	`webhookId,`
`203`	`210`	`{`