Fix Transactions Display Issue

[opatrickchen]

The app returns ADDITIONAL_CONSENT_REQUIRED when accessing transaction data. This is caused by the Data Transparency Messaging (DTM) enforced by Plaid in US and Canada. This change will get the right consent during sign-up phase.

Summary by CodeRabbit

• New Features
  • Enhanced financial integration to retrieve transaction data alongside authentication information.

[vercel]

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[coderabbitai]

Walkthrough

The Plaid link token request in createLinkToken now includes an additional product 'transactions' alongside the existing 'auth' product. The control flow, error handling, and all other parameters remain unchanged; only the set of requested Plaid products expands.

Changes

Cohort / File(s)	Summary
Plaid products expansion lib/actions/user.actions.ts	Added 'transactions' product to the Plaid link token request alongside 'auth'

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• Single-line configuration change adding a product string to an existing array
• No logic modifications, error handling changes, or API contract updates

Poem

🐰 A token grows with transactions in tow,
Alongside auth, the data will flow,
One whisker twitch, a product to show,
Plaid's requests now have more to know! ✨

Pre-merge checks and finishing touches

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Fix Transactions Display Issue' is directly related to the PR's main objective of obtaining correct consent during sign-up to fix the ADDITIONAL_CONSENT_REQUIRED error when accessing transactions.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between b8d5a8e and e7f0bb1.

📒 Files selected for processing (1)

• lib/actions/user.actions.ts (1 hunks)

🔇 Additional comments (1)

lib/actions/user.actions.ts (1)

141-141: Correct fix for Plaid DTM compliance.

Adding 'transactions' to the products array properly addresses the ADDITIONAL_CONSENT_REQUIRED error by requesting transaction consent during link token creation. This aligns with Plaid's Data Transparency Messaging requirements.

Verification confirms the application actively uses the Plaid transactions product: transactionsSync is called at lib/actions/bank.actions.ts:159, and transaction data is displayed throughout the application (RecentTransactions, TransactionsTable, transaction history page). This is the only location where Plaid products are specified, so no additional changes are required.

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