v0.1.3 minor updates, bug fixes, test coverage

What's Changed

• Claude/review python cycles client w2 pzs by @amavashev in #5
• test: close all coverage gaps, achieve 100% coverage by @amavashev in #6
• Add comprehensive audit report and improve code quality by @amavashev in #7
• ci: enforce 85% pytest coverage threshold in CI by @amavashev in #8

Full Changelog: v0.1.2...v0.1.3