Fix wsist.ch redirect + critical landing page polish

[timh8127]

Summary

Fixes the wsist.ch root redirect and applies five landing-page polish improvements from the task list.

• Task 1 (critical): wsist.ch/ now issues an explicit 302 redirect to /login-page instead of a server-side rewrite. The rewrite left the browser URL at /, where the Blazor client router matched Home.razor and issued its own client-side redirect anyway — the explicit redirect removes that race.
• Task 2: Replaced the unshipped "WSIST says" (Soon) feature card with a data-export feature card; removed the now-orphaned Landing_WsistSays/Landing_Soon resource keys and the dead .soon CSS rule.
• Task 3: Added privacy reassurance ("we only use your name and email") to the hero note and the bottom CTA, in both English and German.
• Task 4: Added a hello@wsist.ch contact link to the footer.
• Task 5: Added Swiss 1–6 grade scale context to the grade-pull description for international visitors.
• Task 6: Added a critical above-fold <style> block painting the #0c0b08 app background before any stylesheet or font loads. Preconnect hints and display=swap were already present on the Google Fonts links, so no changes were needed there.

Test plan

• dotnet test — 35/35 passing before every commit
• dotnet csharpier format . clean before every commit
• Full solution builds with 0 errors
• Verify https://wsist.ch/ 302s to https://wsist.ch/login-page after deploy

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features

  • Added an “export your data anytime” feature message on the landing page, highlighting CSV/JSON downloads.
  • Added a direct contact email link in the login page footer.

• Bug Fixes

  • Redirects the site’s root page to the login page more reliably for landing-page visitors.
  • Updated landing-page text to clarify data usage and grading details.

• Style

  • Applied the site background color earlier during page load for a smoother first paint.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 652258b1-b234-4a1b-86f9-d3f1b84b94ff

📥 Commits

Reviewing files that changed from the base of the PR and between 56a2cde and ea20265.

📒 Files selected for processing (6)

• WSIST/WSIST.Web/Components/App.razor
• WSIST/WSIST.Web/Components/Pages/Login.razor
• WSIST/WSIST.Web/Program.cs
• WSIST/WSIST.Web/Resources/SharedResource.de.resx
• WSIST/WSIST.Web/Resources/SharedResource.resx
• WSIST/WSIST.Web/wwwroot/landing.css

💤 Files with no reviewable changes (1)

• WSIST/WSIST.Web/wwwroot/landing.css

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📝 Walkthrough

Walkthrough

This PR updates the landing page: the root path for wsist.ch now redirects clients to /login-page instead of rewriting internally, adds critical inline CSS for background color, replaces a "coming soon" feature with a data-export feature (updating EN/DE resource strings and removing the .soon CSS class), and adds a footer contact mailto link.

Changes

Landing page updates

Layer / File(s)	Summary
Root path redirect and critical CSS WSIST/WSIST.Web/Program.cs, WSIST/WSIST.Web/Components/App.razor	Root path / for wsist.ch/www.wsist.ch now issues an explicit client redirect to https://wsist.ch/login-page instead of an internal rewrite; an inline critical CSS block sets background color before other resources load.
Feature 6 content and footer contact link WSIST/WSIST.Web/Components/Pages/Login.razor	The 6th feature heading switches from Landing_WsistSays to Landing_Feat6Title, and a mailto:hello@wsist.ch link is added in the footer.
Localized landing string updates (EN/DE) WSIST/WSIST.Web/Resources/SharedResource.resx, WSIST/WSIST.Web/Resources/SharedResource.de.resx	Hero note and CTA text add privacy clarification (only name/email used), grade-pull description adds Swiss 1–6 scale context, and Feature 6 text changes from "coming soon" briefing/Android app to data export (CSV/JSON), with obsolete "soon" entries removed.
Removal of unused .soon CSS class WSIST/WSIST.Web/wwwroot/landing.css	The .landing .soon style block is deleted since the corresponding badge content was removed.

Estimated code review effort: 2 (Simple) | ~12 minutes

Possibly related PRs

• timh8127/WSIST#32: Prior localization work reworking Login and landing strings via IStringLocalizer, which this PR builds upon.
• timh8127/WSIST#34: Both modify the Login.razor footer links section.
• timh8127/WSIST#37: Both modify the wsist.ch marketing middleware in Program.cs.

Poem
A rabbit hops to wsist.ch's door,
Redirects now, not rewrites of yore.
"Coming soon" gives way to export true,
CSV and JSON, ready for you.
A dash of dark background, a mailto line —
Small hops of polish, all landing-page fine. 🐇

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly reflects the main changes: the wsist.ch redirect fix and landing page polish updates.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/landing-redirect-and-polish

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