Implement Registration for TDE Users

[quexten]

🎟️ Tracking

📔 Objective

🚨 Breaking Changes

⏰ Reminders before review

• Contributor guidelines followed
• All formatters and local linters executed and passed
• Written new unit and / or integration tests where applicable
• Protected functional changes with optionality (feature flags)
• Used internationalization (i18n) for all UI strings
• CI builds passed
• Communicated to DevOps any deployment requirements
• Updated any necessary documentation (Confluence, contributing docs) or informed the documentation
  team

🦮 Reviewer guidelines

• 👍 (:+1:) or similar for great changes
• 📝 (:memo:) or ℹ️ (:information_source:) for notes or general info
• ❓ (:question:) for questions
• 🤔 (:thinking:) or 💭 (:thought_balloon:) for more open inquiry that's not quite a confirmed
  issue and could potentially benefit from discussion
• 🎨 (:art:) for suggestions / improvements
• ❌ (:x:) or ⚠️ (:warning:) for more significant problems or concerns needing attention
• 🌱 (:seedling:) or ♻️ (:recycle:) for future improvements or indications of technical debt
• ⛏ (:pick:) for minor or nitpick changes

[github-actions]

Checkmarx One – Scan Summary & Details – 65d2a593-0ed6-4c62-8fa9-337f11a665a9

Great job! No new security vulnerabilities introduced in this pull request

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

🔍 SDK Breaking Change Detection Results

SDK Version: km/tde-registration (fa73276)
Completed: 2025-12-05 13:32:20 UTC
Total Time: 244s

Client	Status	Details
typescript	✅ No breaking changes detected	TypeScript compilation passed with new SDK version - View Details

---

Breaking change detection completed. View SDK workflow

[codecov]

Codecov Report

❌ Patch coverage is 0.81301% with 122 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.44%. Comparing base (ab7ae36) to head (fa73276).

Files with missing lines	Patch %	Lines
crates/bitwarden-auth/src/registration.rs	0.00%	75 Missing ⚠️
...bitwarden-core/src/key_management/crypto_client.rs	0.00%	45 Missing ⚠️
.../src/key_management/account_cryptographic_state.rs	33.33%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #596      +/-   ##
==========================================
- Coverage   79.74%   79.44%   -0.30%     
==========================================
  Files         304      304              
  Lines       32757    32880     +123     
==========================================
+ Hits        26121    26122       +1     
- Misses       6636     6758     +122     

☔ View full report in Codecov by Sentry.
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