refactor: migrate account emails to dedicated api

[arpitgupta1214]

Summary

• switch account email lookups to the dedicated API endpoint
• remove the old local /api/account-emails route
• use the new account-scoped account_id contract from the frontend
• simplify useAccountEmails so it owns its query key

Testing

• no dedicated lib test retained for fetchAccountEmails

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Summary by cubic

Migrated account email lookups to the dedicated accounts API and removed the local route. Simplifies fetching with a new hook and aligns with the account-scoped account_id contract.

• Refactors
  • Removed local /api/account-emails route.
  • Added lib/accounts/fetchAccountEmails to call /api/accounts/emails with a bearer token.
  • Added hooks/useAccountEmails (owns its query key, handles auth via usePrivy).
  • Updated FileInfoDialog and TasksList to use useAccountEmails and simplify logic.

^{Written for commit 130d00f. Summary will update on new commits.}

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 7d92a6ba-83d7-417b-92a4-6ff433701ef0

📥 Commits

Reviewing files that changed from the base of the PR and between 04f4dfe and 130d00f.

📒 Files selected for processing (5)

• app/api/account-emails/route.ts
• components/Files/FileInfoDialog.tsx
• components/TasksPage/TasksList.tsx
• hooks/useAccountEmails.ts
• lib/accounts/fetchAccountEmails.ts

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch codex/account-emails-chat

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Project	Deployment	Actions	Updated (UTC)
recoup-chat	Ready	Preview	Apr 7, 2026 10:07pm

[cubic-dev-ai]

No issues found across 5 files

Confidence score: 5/5

• Automated review surfaced no issues in the provided summaries.
• No files require special attention.

_{Requires human review: This PR migrates logic to a new API endpoint and removes an existing route, which is a high-impact architectural change requiring human verification of the new service dependency.}