CMM-779 migrate add categories to wordpress-rs

[adalpari]

Description

This PR is adding the ability to include new categories when writing a post using the wordpress-rs library

Testing instructions

1. Log into a self-hosted site without using Application Password
2. Create or edit a post
3. Select the categories item
4. Add a new category

• Verify the new category is added

5. Enable and set Application Password
6. Create or edit another post
7. Add a new category

• Verify the new category is added

Screen.Recording.2025-09-23.at.18.47.05.mov

[dangermattic]

	1 Warning
⚠️	PR is not assigned to a milestone.

Generated by 🚫 Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr22227-34ed16c
	Commit	34ed16c
	Direct Download	wordpress-prototype-build-pr22227-34ed16c.apk

Note: Google Login is not supported on these builds.

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr22227-34ed16c
	Commit	34ed16c
	Direct Download	jetpack-prototype-build-pr22227-34ed16c.apk

Note: Google Login is not supported on these builds.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 39.22%. Comparing base (801cd5d) to head (34ed16c).
⚠️ Report is 4 commits behind head on trunk.

Files with missing lines	Patch %	Lines
...g/wordpress/android/fluxc/store/TaxonomyStore.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #22227   +/-   ##
=======================================
  Coverage   39.22%   39.22%           
=======================================
  Files        2164     2164           
  Lines      103310   103310           
  Branches    15881    15881           
=======================================
  Hits        40522    40522           
  Misses      59193    59193           
  Partials     3595     3595           

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[Copilot]

Pull Request Overview

This PR migrates the ability to add categories to posts using the wordpress-rs Rust library instead of the existing WordPress REST API implementation. The change enables creating new categories on self-hosted WordPress sites through the new Rust-based API client.

• Adds createPostCategory method to handle category creation via the wordpress-rs library
• Updates the routing logic to use the new Rust client for self-hosted sites when creating categories
• Adds comprehensive test coverage for both success and error scenarios

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
TaxonomyStore.java	Routes category creation for self-hosted sites to the new Rust-based client
TaxonomyRsApiRestClient.kt	Implements the createPostCategory method using wordpress-rs API
TaxonomyRsApiRestClientTest.kt	Adds unit tests for the new category creation functionality

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[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

[dcalhoun]

LGTM. Test plan succeeded for me.