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**Related issue:** Resolves#37241
Test changes only. Updated `archtest` to be more ergonomic. See README
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## Summary by CodeRabbit
* **New Features**
* Enhanced archtest package with new API methods for more granular
dependency filtering: `IgnoreRecursively()`, `IgnoreDeps()`,
`WithTests()`, and `WithTestsRecursively()`.
* Added `Check()` method to finalize dependency verification.
* **Documentation**
* Added comprehensive README for archtest package with usage examples
and fluent API method reference.
<sub>✏️ Tip: You can customize this high-level summary in your review
settings.</sub>
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Android scaffold code and refactorings
- Android packages intended to be decoupled from other Fleet code
Video explaining the PR: https://www.youtube.com/watch?v=cza-35Z9Wxk
# Checklist for submitter
- [x] If database migrations are included, checked table schema to
confirm autoupdate
- For database migrations:
- [x] Checked schema for all modified table for columns that will
auto-update timestamps during migration.
- [x] Confirmed that updating the timestamps is acceptable, and will not
cause unwanted side effects.
- [x] Ensured the correct collation is explicitly set for character
columns (`COLLATE utf8mb4_unicode_ci`).
- [x] Added/updated automated tests
- [x] Manual QA for all new/changed functionality
