Add blue_alignment_play MCP tool for multi-expert deliberation:
- Core alignment module with Expert, Round, ExpertResponse types
- Panel templates: Infrastructure, Product, ML, Governance, General
- Ollama integration for running expert rounds until convergence
- Dialogue markdown generation with SQLite tracking
- RFC linking support
Also removes dead code (ADR 0010: No Dead Code).
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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