GitHub code coverage merge protection for pull requests

Short summary

GitHub now allows branch rulesets to block pull requests from merging when test coverage falls below configured thresholds. This enables teams to enforce minimum coverage standards automatically during code review, preventing coverage regressions. Product and ops teams can immediately implement this quality gate.

• •Branch rulesets can enforce minimum test coverage thresholds
• •Pull requests blocked from merging if coverage drops below set levels
• •Automates quality enforcement at merge time

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