docs: Add Git workflow notes to CLAUDE.md

gandalf_automationrequested to merge
docs/update-claude-md-workflow-notes into develop

Summary

Add project workflow conventions to CLAUDE.md for AI assistant reference.

Changes

  • Document branching strategy (feature branches from develop, MRs to develop)
  • Document main branch sync policy
  • Document issue linking format for MRs
  • Document CI pipeline optimization (skip for docs-only changes)

Test plan

  • N/A - documentation only, no code changes

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