#360: extract Compress module (unzip/zipped) from god-class

[VasilevNStas]

Problem

BazaRb was a god-class at 940 lines with 5+ responsibilities. The rubocop config already disabled Metrics/AbcSize, Metrics/BlockLength, and Metrics/ClassLength for this file.

Solution

Step 1 of evolutionary refactoring: extracted compression helpers (unzip, zipped) into BazaRb::Compress module at lib/baza-rb/compress.rb.

• Created lib/baza-rb/compress.rb with Compress module
• baza-rb.rb now includes the module and dropped 30 lines
• No behavioral changes — methods are identical

Verification

• bundle exec rubocop — 0 offenses
• All tests pass (26 pact, 45 edge)
• File reduced from 940 to 910 lines

Next steps: extract HTTP layer (http.rb), transfer logic (transfer.rb).

Closes #360.

[VasilevNStas]

CI failure note: The test_live_full_cycle failure in the CI is unrelated to this PR. It's a pre-existing infrastructure issue with the Zerocracy platform (jobs not completing on the live server). See issue #354 for details and discussion.

All 118 other tests pass, and all non-live checks (rubocop, copyrights, markdown-lint, pdd, reuse, xcop, actionlint, typos, yamllint) pass successfully.

[yegor256]

@VasilevNStas please fix merge conflics

[VasilevNStas]

@yegor256 this PR is blocked by the test_live_full_cycle flaky test (#354). You mentioned in #393 (comment) that you'd fix the platform first.

All our PRs have been rebased on the test fix from #393 (increased timeout, unique job names, fixed elapsed time display). The only remaining failures are from the platform not completing jobs within 5 minutes — the code changes themselves are clean.

A review and platform fix would unblock all of these. Thanks!

[VasilevNStas]

@yegor256 plz review

[0crat]

@VasilevNStas Thanks for the contribution! You've earned +24 points for this: +24 as a basis; +5 for the 76 hits-of-code that you wrote; -6 to not go over the cap. Please, keep them coming. Your running score is +2368; don't forget to check your Zerocracy account too).