docs: update changelog with squash commit guidance

🤖 Claude <[email protected]>

Author: tobert

CHANGELOG.md

@@ -8,12 +8,14 @@ Begin agent-assisted development era.
 - CLAUDE.md and GEMINI.md symlinks to BOTS.md
 - Agent memory and collaboration patterns adapted from otlp-mcp
 - GitHub issue tracking integration for agent workflows
+- Squash commit guidance to maintain clean git history
 
 ### Changed
 
 - Establish agent-assisted development practices
 - Emphasize functional testing and self-contained design
 - Documentation of project philosophy and structure for agents
+- Clarify workflow: commit freely in branches, squash on merge to main
 
 ## [0.5.0] - 2025-04-21