fix: resolve NextAuthConfig type import error in auth.config.ts (closes #455)

[shauryavardhan1307]

Summary

• Changed the NextAuthConfig type import path from
  "next-auth" to "next-auth/types" in auth.config.ts
• The project uses next-auth@^5.0.0-beta.29 (Auth.js v5)
  where NextAuthConfig is exported from the next-auth/types
  subpath, not the root next-auth module
• This caused a TypeScript compilation error documented in
  tsc_errors.txt: error TS2305: Module '"next-auth"' has no exported member 'NextAuthConfig'

Type of change

• Bug fix

Related issue

Closes #455

Validation

• npm run lint
• npm test
• npm run build

Additional manual verification:

• Verified NextAuthConfig is correctly exported from
  next-auth/types in Auth.js v5 beta
• Confirmed auth.config.ts compiles without TypeScript
  errors after the fix
• No other files affected by this change

Screenshots or recordings

N/A — TypeScript type import fix, no UI changes

Checklist

• I kept this PR focused on one primary change
• I updated documentation if behavior changed
• I did not commit secrets, local logs, or scratch files
• I am requesting review on the correct scope

I am a Gssoc'26 contributo.Please approve the pr.
Thank you!

Summary by CodeRabbit

• Chores
  • Updated internal dependency organization to maintain compatibility with authentication configuration.

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[github-actions]

👋 Thanks for opening a PR, @shauryavardhan1307!

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[coderabbitai]

Walkthrough

This PR fixes a TypeScript compilation error by correcting the import path for the NextAuthConfig type in auth.config.ts, changing it from next-auth to next-auth/types to use the proper export location.

Changes

Type Import Fix

Layer / File(s)	Summary
NextAuthConfig type import correction auth.config.ts	The NextAuthConfig type import is moved from the next-auth module to next-auth/types, resolving the TS2305 error indicating the type was not exported from the main package.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Suggested labels

type:bug, mentor:piyushdotcomm, level:critical

Suggested reviewers

• piyushdotcomm

Poem

🐰 A rabbit hops through type imports true,
From next-auth to types it flew,
The TypeScript errors fade away,
Auth config compiles bright and gay! 🎉

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and concisely describes the primary change: fixing the NextAuthConfig type import error in auth.config.ts by referencing the correct module path.
Linked Issues check	✅ Passed	The PR successfully resolves issue #455 by correcting the NextAuthConfig import from 'next-auth' to 'next-auth/types', which is the appropriate export location for Auth.js v5 beta.
Out of Scope Changes check	✅ Passed	The PR contains only the necessary change to fix the import error; no extraneous modifications to unrelated code or files are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description check	✅ Passed	The pull request description is complete and follows the template with all required sections filled out comprehensively.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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