Prepare v0.2.2 release version sync

[Copilot]

Summary

• Updated /home/runner/work/D-SafeLogger/D-SafeLogger/pyproject.toml to set [project].version to 0.2.2
• Updated /home/runner/work/D-SafeLogger/D-SafeLogger/src/dsafelogger/__init__.py to set __version__ to 0.2.2
• Updated /home/runner/work/D-SafeLogger/D-SafeLogger/CHANGELOG.md to promote the current unreleased entries to 0.2.2 dated 2026-05-21 and keep a new empty Unreleased section
• Regenerated /home/runner/work/D-SafeLogger/D-SafeLogger/uv.lock so the local package version is 0.2.2
• Updated /home/runner/work/D-SafeLogger/D-SafeLogger/AGENTS.md current target release to 0.2.2
• Runtime behavior was not changed

Validation

• uv sync --group dev ✅
• uv run pytest tests -q ✅ (655 passed, 6 skipped, 3 warnings on Linux / Python 3.12.3)
• uv run mypy src ✅ (Success: no issues found in 27 source files)
• uv run pyright src ✅ (0 errors, 0 warnings, 0 informations)
• uv run pyright tests/typing_smoke ✅ (0 errors, 0 warnings, 0 informations)
• uv run python scripts/generate_api_docs.py --check ✅
• uv run python scripts/check_design_docs_sync.py ✅
• uv run python benchmarks/update_summary.py --check ✅
• rm -rf dist ✅
• uv build ✅ (built d_safelogger-0.2.2.tar.gz and d_safelogger-0.2.2-py3-none-any.whl)
• uv run python scripts/check_distribution_contents.py ✅
• uv run python scripts/install_built_wheel.py ✅
• uv run --no-sync python scripts/check_type_completeness.py --min-score 100 ✅ (type completeness: 100.00%)
• uv sync --reinstall --group dev ✅