fix: blind vote deeplink bug

[coodos]

Description of change

Issue Number

Type of change

• Breaking (any change that would cause existing functionality to not work as expected)
• New (a change which implements a new feature)
• Update (a change which updates existing functionality)
• Fix (a change which fixes an issue)
• Docs (changes to the documentation)
• Chore (refactoring, build scripts or anything else that isn't user-facing)

How the change has been tested

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

• New Features
  • Deep-link support for blind voting and vote reveal across wallet and eVoting app.
  • Dedicated “Reveal Your Vote” interface with step-by-step guidance.
  • Mobile: one-tap reveal button opens the wallet; Desktop: QR code for reveal.
• Enhancements
  • Seamless routing from deep links: auto-redirects to login or scanning, and navigates directly to the relevant poll on reveal.
  • More predictable signing behavior: signing modal opens only when appropriate.
  • Improved startup initialization for a smoother experience.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Implements deep-link handling across wallet and eVoting apps: adds blind-vote and reveal flows, async deep-link parsing/dispatch in wallet layout, specialized scan-qr handling for blind-vote/reveal, eVoting reveal deep-link creation, session handoff via sessionStorage, and UI updates to drive and respond to reveal requests.

Changes

Cohort / File(s)	Summary
Wallet deep-link management infrastructure/eid-wallet/src/routes/+layout.svelte	Adds Tauri deep-link integration (initial and ongoing), async URL parsing for auth/sign/reveal, authenticated routing to /scan-qr or /login, sessionStorage persistence of deep-link payloads, global state/biometry init, and refined navigation transitions.
Wallet scan-qr blind-vote/reveal flow infrastructure/eid-wallet/src/routes/(app)/scan-qr/+page.svelte	Extends deep-link decode to branch for blind-vote and reveal; initializes blind-vote state, opens signing drawer only for regular signing, fetches poll details asynchronously, adds reveal request handling, converts handlers to async, updates event wiring, and adds focused logging/error paths.
eVoting reveal deeplink feature platforms/eVoting/src/app/(app)/layout.tsx, platforms/eVoting/src/components/blind-voting-interface.tsx, platforms/eVoting/src/lib/utils/mobile-detection.ts	Introduces reveal deep-link utility (w3ds://reveal?pollId=...), UI updates to generate/open QR/button for reveal, session-driven reveal UI override, and app layout listener for deepLinkReveal to navigate to poll and store request metadata.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  actor U as User
  participant EV as eVoting Web App
  participant DL as Deep Link (w3ds://)
  participant WL as Wallet +layout
  participant SQ as Wallet /scan-qr

  U->>EV: Click "Reveal" (button or scan QR)
  EV->>DL: Open w3ds://reveal?pollId={id}
  DL->>WL: Launch app with URL
  WL->>WL: Parse URL (type=reveal, pollId)
  alt Authenticated
    WL->>WL: Store deepLinkData (sessionStorage)
    WL->>SQ: Navigate to /scan-qr
    SQ->>SQ: Set isRevealRequest, revealPollId
  else Not authenticated
    WL->>WL: Store pendingDeepLink
    WL->>WL: Navigate to /login
  end

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sequenceDiagram
  autonumber
  actor U as User
  participant WL as Wallet +layout
  participant SQ as Wallet /scan-qr
  participant API as Poll API

  Note over WL: Deep link type=sign with payload
  WL->>SQ: Route to /scan-qr with data
  SQ->>SQ: Decode signing data
  alt Blind vote
    SQ->>SQ: Set isBlindVotingRequest, clear errors
    SQ->>SQ: Prepare signingData with placeholder pollDetails
    SQ->>API: Fetch poll details (async)
    API-->>SQ: Poll details (success/fail)
    SQ->>SQ: Update signingData.pollDetails or set error
    SQ->>SQ: Keep drawer state for blind voting
  else Regular signing
    SQ->>SQ: Open signing modal/drawer
  end

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Estimated code review effort

🎯 4 (Complex) | ⏱️ ~60 minutes

Possibly related PRs

• Feat/w3ds evoting #290: Implements related deep-link signing/reveal flows and utilities; overlaps with this PR’s deeplink wiring across wallet and eVoting.
• chore: signing bug #315: Modifies wallet scan-qr signing logic with real crypto; directly intersects with the new blind-vote/reveal handling here.
• Feat/evoting reveal vote data #324: Adds complementary deep-link reveal and blind-vote logic across wallet and platform, mirroring this PR’s areas.

Suggested reviewers

• sosweetham

Poem

A whisk of links, a hop through time,
I nose a w3ds chime.
Blind votes tucked, reveals in sight—
I bound from app to wallet light.
QR fields like clover spread,
Tap, reveal—my paws have led.
Carrots cached, the trail well-read. 🥕✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 650aad0 and e7fab71.

⛔ Files ignored due to path filters (4)

• infrastructure/eid-wallet/src-tauri/gen/android/app/arm64/release/baselineProfiles/0/app-arm64-release.dm is excluded by !**/gen/**
• infrastructure/eid-wallet/src-tauri/gen/android/app/arm64/release/baselineProfiles/1/app-arm64-release.dm is excluded by !**/gen/**
• infrastructure/eid-wallet/src-tauri/gen/android/app/arm64/release/eid-w3ds-v0.2.1.0.apk is excluded by !**/gen/**
• infrastructure/eid-wallet/src-tauri/gen/android/app/arm64/release/output-metadata.json is excluded by !**/gen/**

📒 Files selected for processing (5)

• infrastructure/eid-wallet/src/routes/(app)/scan-qr/+page.svelte (6 hunks)
• infrastructure/eid-wallet/src/routes/+layout.svelte (1 hunks)
• platforms/eVoting/src/app/(app)/layout.tsx (1 hunks)
• platforms/eVoting/src/components/blind-voting-interface.tsx (4 hunks)
• platforms/eVoting/src/lib/utils/mobile-detection.ts (1 hunks)

✨ Finishing Touches

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🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/blindvote-deeplink-bug

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