fix: fixed the race condition when opening app through deeplink.

[Sahil2004]

Description of change

Fixed the race condition when loggin in app through deeplink.

Issue Number

Closes #1048

Type of change

• Fix (a change which fixes an issue)

How the change has been tested

Manually.

Change checklist

• I have ensured that the CI Checks pass locally
• I have removed any unnecessary logic
• My code is well documented
• I have signed my commits
• My code follows the pattern of the application
• I have self reviewed my code

Summary by CodeRabbit

• Bug Fixes
  • Improved the splash screen flow to avoid overlapping authentication prompts when a pending deep link is present.
  • Added a direct redirect to the login screen for users arriving through a deep link, resulting in a smoother and more reliable sign-in experience.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 2c38f5b8-d9c8-4426-8ef5-dae326641f51

📥 Commits

Reviewing files that changed from the base of the PR and between 388ccb2 and 3a90e64.

📒 Files selected for processing (1)

• infrastructure/eid-wallet/src/routes/+page.svelte

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📝 Walkthrough

Walkthrough

The splash route now checks for a pendingDeepLink value in sessionStorage before running its biometric authentication flow. If present, it redirects the user to /login and exits early, avoiding conflict with the deep-link handling already performed elsewhere.

Changes

Splash Route Deep-Link Redirect

Layer / File(s)	Summary
Early deep-link guard infrastructure/eid-wallet/src/routes/+page.svelte	Adds a check for sessionStorage.pendingDeepLink on the splash page that redirects to /login and skips the splash biometric prompt when a pending deep link exists.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Possibly related PRs

• MetaState-Prototype-Project/prototype#987: Adds the continueAfterSuccessfulAuth/login deep-link handling flow that this change directly integrates with in the splash route.

Suggested reviewers: coodos

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly describes the deeplink race-condition fix and matches the change set.
Description check	✅ Passed	The description includes the change summary, issue number, type, testing, and checklist sections.
Linked Issues check	✅ Passed	The change redirects deeplink cases to the login flow, which aligns with preventing biometric auth from blocking third-party consent [#1048].
Out of Scope Changes check	✅ Passed	The PR appears narrowly scoped to a single splash-route logic change with no unrelated modifications.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/biometricDeeplinkColision

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