Fix/control panel button issue

[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

  • Start Monitoring now validates selections and shows an alert if none are chosen.
  • Selections persist immediately, preserving choices across navigation.
  • Monitoring page displays a “No Items Selected” view with a back button instead of auto-redirect.
  • Added clearer loading state for the flow chart.

• Style

  • Refined monitoring layout and clarified the “Data Flow” panel header.
  • Updated settings screen version label to v0.2.0.2.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Updates include a byte-wise equality check in crypto, sessionStorage-backed selection persistence and pre-navigation validation in the control panel, a Monitoring page that renders a “No Items Selected” state instead of redirecting, a minor label bump in eID Wallet settings, and Vite config tweaks for polyfills, aliases, and build options.

Changes

Cohort / File(s)	Summary of Changes
Crypto: Encoding equality implementation infrastructure/blindvote/src/crypto/pedersen.ts	Replaced Buffer.equals with manual byte-by-byte comparison including length check; no API changes.
Control Panel: Selection persistence & navigation guard infrastructure/control-panel/src/routes/+layout.svelte, infrastructure/control-panel/src/routes/+page.svelte	Added sessionStorage persistence on selection change; Start Monitoring now validates presence of selected eVaults/platforms and alerts if none before navigating.
Monitoring UI: No-items state and load gating infrastructure/control-panel/src/routes/monitoring/+page.svelte	Removed auto-redirect; added conditional UI for no selection vs. live monitoring; simplified SvelteFlow load gating; adjusted header/actions and layout; preserved flow markers.
eID Wallet: Settings label bump infrastructure/eid-wallet/src/routes/(app)/settings/+page.svelte	Updated hidden button label text from “Version v0.2.0.1” to “Version v0.2.0.2”.
Build tooling: Vite config adjustments infrastructure/eid-wallet/vite.config.js	Reduced Node polyfills to ['buffer','crypto']; defined global->globalThis for optimizeDeps; added alias 'blindvote' to source; added build.rollupOptions.external=[] and commonjs include for blindvote/node_modules.

Sequence Diagram(s)

sequenceDiagram
  autonumber
  participant U as User
  participant CP as Control Panel (+page.svelte)
  participant SS as sessionStorage
  participant L as +layout.svelte
  participant M as Monitoring Page

  rect rgb(242,248,255)
  note over U,CP: Selection phase
  U->>CP: Select eVault(s)/Platform(s)
  CP->>SS: setItem("selectedEVaults", [...])
  CP->>SS: setItem("selectedPlatforms", [...])
  end

  rect rgb(245,255,245)
  note over U,L: Start Monitoring
  U->>L: Click Start Monitoring
  L->>SS: getItem("selectedEVaults"/"selectedPlatforms")
  alt Any empty/missing
    L-->>U: alert("Please select ...")
  else Valid selections
    L->>M: goto("/monitoring")
  end
  end

  rect rgb(255,250,240)
  note over M,SS: Monitoring load
  M->>SS: getItem(...)
  alt No items
    M-->>U: Render "No Items Selected" UI
  else Items present
    M-->>U: Render Live Monitoring (SvelteFlow)
  end
  end

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~30 minutes

Possibly related PRs

• chore: add few last fixes #306 — Also modifies monitoring/+page.svelte with overlapping UI and SSE/flow-panel control logic.
• fix: button #307 — Adjusts control-panel monitoring flow and start-navigation logic overlapping with selection handling and no-items behavior.

Suggested reviewers

• sosweetham

Poem

I nibbled wires, toggled bits so bright,
Saved your picks in sessions, snug and tight.
If nothing’s chosen, I’ll gently say,
“Hop back, dear friend—another day.”
Byte by byte, I thump in glee,
Charts now bloom for all to see. 🐇✨

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📥 Commits

Reviewing files that changed from the base of the PR and between 6168f74 and efed108.

⛔ Files ignored due to path filters (1)

• infrastructure/eid-wallet/src-tauri/gen/android/app/arm64/release/eid-w3ds-v0.2.0.1.apk is excluded by !**/gen/**

📒 Files selected for processing (6)

• infrastructure/blindvote/src/crypto/pedersen.ts (1 hunks)
• infrastructure/control-panel/src/routes/+layout.svelte (1 hunks)
• infrastructure/control-panel/src/routes/+page.svelte (2 hunks)
• infrastructure/control-panel/src/routes/monitoring/+page.svelte (3 hunks)
• infrastructure/eid-wallet/src/routes/(app)/settings/+page.svelte (1 hunks)
• infrastructure/eid-wallet/vite.config.js (2 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/control-panel-button-issue

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