docs: add PDCA completion report for fix-plan-plus-ci

Merge pull request #3 from popup-studio-ai/release/v1.0.1

release: bump version to v1.0.1

fix(skills): move plan-plus openai.yaml to standard agents/ directory

Merge pull request #2 from popup-jacob/fix/global-install-absolute-path

Fix global install writing relative MCP server path in config.toml

Merge pull request #1 from popup-studio-ai/release/v1.0.0

release: finalize v1.0.0 with context recovery, task chain, and plan-plus

release: prepare v0.5.0

Improve install scripts with full PDCA cycle (99% match rate)

Initial release: bkit-codex v1.0.0