- Introduced `agent-operating-principles.md` to provide directional guardrails for agent behavior across skills.
- Updated `trigger-boundary-policy.md` to refine skill invocation rules based on specific prompt phrases.
- Enhanced `install_skills.py` to include installation of shared reference files.
- Added tests to ensure shared principles are referenced correctly in skills and validate their structure.
- Updated various skills to reference the shared operating principles, ensuring consistent guidance across the repository.
- Improved `research-campaign-spec.md` to clarify the minimal shape and optional guidance fields for campaign inputs.
- Refined `ai-research-explore` and `ai-research-reproduction` skills to align with new principles and clarify their intended use cases.
- Added new test cases to validate the correct routing of prompts based on the updated boundary policies.