fix(quality): rename ct to cancellationToken in all MediatR handlers

[mpaulosky]

Closes #137

Working as Sam (Backend Developer)

Renames the ct parameter to cancellationToken in every Handle method signature and all usages inside the method body across all MediatR handlers, plus the private GetManagementClientAsync helper in UserManagementHandler. Addresses CA1725.

[github-actions]

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[Copilot]

Pull request overview

Renames MediatR handler Handle method CancellationToken parameters from ct to cancellationToken (and updates all in-method usages) to resolve CA1725 and align with MediatR’s interface parameter naming.

Changes:

• Updated all affected MediatR Handle method signatures to use cancellationToken.
• Updated all downstream calls within handlers to pass cancellationToken.
• Renamed UserManagementHandler’s private GetManagementClientAsync parameter and updated its call sites.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/Web/Features/UserManagement/UserManagementHandler.cs	Renames ct → cancellationToken across all handler methods and the GetManagementClientAsync helper, updating all usages.
src/Web/Features/BlogPosts/List/GetBlogPostsHandler.cs	Renames handler token parameter and updates repository/cache calls accordingly.
src/Web/Features/BlogPosts/Edit/EditBlogPostHandler.cs	Renames token parameter in both Handle overloads and updates repository/cache calls.
src/Web/Features/BlogPosts/Delete/DeleteBlogPostHandler.cs	Renames token parameter and updates repository/cache invalidation calls.
src/Web/Features/BlogPosts/Create/CreateBlogPostHandler.cs	Renames token parameter and updates repository/cache invalidation calls.

[github-actions]

Test Results Summary

206 tests  ±0   206 ✅ ±0   14s ⏱️ ±0s
  5 suites ±0     0 💤 ±0 
  5 files   ±0     0 ❌ ±0 

Results for commit 7a03948. ± Comparison against base commit 475185e.

[codecov]

Codecov Report

❌ Patch coverage is 54.16667% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.93%. Comparing base (475185e) to head (7a03948).
⚠️ Report is 15 commits behind head on sprint/6-code-quality.

Files with missing lines	Patch %	Lines
...b/Features/UserManagement/UserManagementHandler.cs	0.00%	11 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                   @@
##           sprint/6-code-quality     #144   +/-   ##
======================================================
  Coverage                  76.93%   76.93%           
======================================================
  Files                         43       43           
  Lines                        672      672           
  Branches                     111      111           
======================================================
  Hits                         517      517           
  Misses                       105      105           
  Partials                      50       50           

Files with missing lines	Coverage Δ
...Features/BlogPosts/Create/CreateBlogPostHandler.cs	100.00% <100.00%> (ø)
...Features/BlogPosts/Delete/DeleteBlogPostHandler.cs	100.00% <100.00%> (ø)
...Web/Features/BlogPosts/Edit/EditBlogPostHandler.cs	86.20% <100.00%> (ø)
...Web/Features/BlogPosts/List/GetBlogPostsHandler.cs	100.00% <100.00%> (ø)
...b/Features/UserManagement/UserManagementHandler.cs	0.00% <0.00%> (ø)

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