Priivacy-ai/spec-kitty v2.0.9 on GitHub

Mutation testing CI integration (feat #47): mutmut toolchain setup, CI integration, and targeted kill sessions for status/ reducer and transitions.
Agentic mutation testing remediation workflow: GitHub Agentic Workflow (gh-aw) replaces the legacy Claude workflow for mutation testing remediation.
SonarCloud integration: added SonarCloud config; develop branch recognized as 2.x-equivalent in CI quality gates.
Architecture corpus restructure: versioned architecture docs under architecture/1.x/ and architecture/2.x/, 45 ADRs, glossary contexts across 10 bounded domains, Contextive integration, and stakeholder persona definitions.
meta.json schema example in specify template: documents "target_branch" and "vcs" as required explicit fields.

Post-rebase quality fixes: resolved unmatched ) syntax error, gap_analysis_path undefined name (F821), timezone → UTC reference, unused type: ignore comments, and toml import-untyped mypy errors.
Test isolation: moved misplaced test package; fixed 3 test failures and Pydantic V1 deprecation warnings.
Sync offline queue: redirect offline queue warning to stderr instead of stdout.
CI branch detection: develop now recognized as a 2.x branch for branch-contract guards.

Ruff lint compliance: full ruff clean pass across src/ and tests/; added ruff lint config to pyproject.toml.
Documentation site updates: 2.x docs site refresh with Contextive IDE integration guide.
Test suite restructuring: migrated to vertical-slice layout; redesigned CI quality workflow; annotated suite with fast/slow/git_repo markers; deleted tests/legacy/ after extracting unique behaviours.