[PM-28135] Add crypto tracing logs

[quexten]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-28135

📔 Objective

Enables tracing, but does not yet remove the old logging (follow-up). It adds tracing to the most important crypto paths. Follow-up tickets may add more tracing.

Example log output:

ERROR log{cipher_id=Some(CipherId(18c99ec6-af2b-407a-a5d0-b39201386413))}:decrypt: bitwarden_crypto::traits::decryptable: Function returned error error=The cipher's MAC doesn't match the expected value

__wbg_error_a7f8fbb0523dae15 @ bitwarden_wasm_internal_bg.js:4508
$func7041 @ 43dc2d8abaf76eb338eb.module.wasm:0x2c3395
$func3785 @ 43dc2d8abaf76eb338eb.module.wasm:0x297ed0
$func232 @ 43dc2d8abaf76eb338eb.module.wasm:0xa3c75
$func6915 @ 43dc2d8abaf76eb338eb.module.wasm:0x2c23e3
$func2456 @ 43dc2d8abaf76eb338eb.module.wasm:0x2687b1
$func817 @ 43dc2d8abaf76eb338eb.module.wasm:0x1b8e06
$func192 @ 43dc2d8abaf76eb338eb.module.wasm:0x5ce74
$func2995 @ 43dc2d8abaf76eb338eb.module.wasm:0x27f181
...

⏰ 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 – 6bdc4070-bbfa-4202-b5fd-bdbe5a592a15

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

[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.66%. Comparing base (5c178be) to head (703b4ea).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/bitwarden-core/src/key_management/crypto.rs	66.66%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #555      +/-   ##
==========================================
- Coverage   79.74%   79.66%   -0.08%     
==========================================
  Files         304      304              
  Lines       32757    32644     -113     
==========================================
- Hits        26121    26006     -115     
- Misses       6636     6638       +2     

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[quexten]

@Hinton Okay, I've not further benchmarked it since I agree that it's most likely negligible. I've set the max log level to release_max_level_info, since I don't think anyone would expect trace / debug to be emitted in release.

In case we do want logging in an operation that gets called millions of times, we should consider using debug/trace to have it compiled out in release.

[github-actions]

🔍 SDK Breaking Change Detection Results

SDK Version: km/tracing (703b4ea)
Completed: 2025-12-08 15:44:17 UTC
Total Time: 216s

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

---

Breaking change detection completed. View SDK workflow

[quexten]

Apologies, had to fix another clippy error