feat: introduce rrt skills and enhance governance checks in CI pipeline

[Anselmoo]

No description provided.

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
.agents/skills/rrt-user-bootstrap/SKILL.md	Unsupported file format
.agents/skills/rrt-user-branch-strategy/SKILL.md	Unsupported file format
.agents/skills/rrt-user-changelog-automation/SKILL.md	Unsupported file format
.agents/skills/rrt-user-ci-readiness/SKILL.md	Unsupported file format
.agents/skills/rrt-user-commit-quality/SKILL.md	Unsupported file format
.agents/skills/rrt-user-config-safety/SKILL.md	Unsupported file format
.agents/skills/rrt-user-docs-consistency/SKILL.md	Unsupported file format
.agents/skills/rrt-user-migration-uvx-to-installed/SKILL.md	Unsupported file format
.agents/skills/rrt-user-release-flow/SKILL.md	Unsupported file format
.agents/skills/rrt-user-versioning/SKILL.md	Unsupported file format
.github/workflows/release.yml	0% smaller
.husky/commit-msg	Unsupported file format
.husky/pre-commit	Unsupported file format
.rrt.toml	Unsupported file format
CONTRIBUTING.md	Unsupported file format

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.78%. Comparing base (b9c5f1d) to head (928c3c7).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #83   +/-   ##
=======================================
  Coverage   95.78%   95.78%           
=======================================
  Files           6        6           
  Lines        1517     1517           
  Branches      194      194           
=======================================
  Hits         1453     1453           
  Misses         64       64           

Flag	Coverage Δ
unittests	95.78% <ø> (ø)

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