Merge branch 'feature/rust-cnstr-testing' into feature/372-rust-float

# Conflicts:
#	src/constraints/tests.rs

Author: alphaville

CHANGELOG.md

@@ -17,6 +17,7 @@ Note: This is the main Changelog file for the Rust solver. The Changelog file fo
 ### Changed
 
 - Rust solver supports generic float types
+- Expanded Rust constraint test coverage with constructor validation, boundary/idempotence checks, and additional `BallP` / epigraph projection cases
 
 
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