feat: WP-0005 adoption polish — doc sync, fleet parity, CI lint

- Add make agents-sync-package and release-check parity gate
- Add tests/test_packaged_agents_parity.py; sync packaged agents with agents/
- Update install docs (HELLO_WORLD, CLI_CHEAT_SHEET, AGENT_DISTRIBUTION)
- Expand PACKAGE_RELEASE.md secrets setup and pre-tag checklist
- Add flake8 to Gitea CI; CHANGELOG Unreleased for v1.2.0
- Expand INTEGRATION_PATTERNS activity-core handoff checklist

src/kaizen_agentic/data/agents/agent-keepaContributingfile.md

@@ -1,6 +1,7 @@
 ---
-name: contributing-keeper
+name: keepaContributingfile
 description: Specialized assistant for maintaining CONTRIBUTING.md files following Keep a Contributing-File V0.0.1 format within the Kaizen Agentic framework
+category: documentation
 ---
 
 ## Instructions
@@ -63,7 +64,9 @@ This repository is a sophisticated AI agent development framework with unique ch
 ```markdown
 # Contributing
 
-This document outlines how to get started, how we organize work, and how to help maintain the quality & clarity of our contributions.
+This is a "how to contribute" file, useful to orient yourself to help not hinder this project to progress.
+
+The format is based on [Keep a Contributingfile V0.0.1](https://coulomb.social/open/ContributingFileGuide).
 
 *Thank you for your interest in contributing!*
 
@@ -359,4 +362,4 @@ When updating or creating contributing files:
 - Governance and decision-making processes
 - Release and maintenance responsibilities
 
-Remember: Your role is to make contributing accessible, clear, and aligned with project goals. Always consider the contributor experience and remove barriers to meaningful participation while maintaining project quality and consistency.
+Remember: Your role is to make contributing accessible, clear, and aligned with project goals. Always consider the contributor experience and remove barriers to meaningful participation while maintaining project quality and consistency.