release v3.1.2 - Pieces (Torre/Alfil/Caballo/Reina/Peón) as real subagents + blackboard MCP (BREAKING) - Service v2.11: Command Center dashboard + /blackboard/api/* - Smoke-6 audit-trail endpoint suite - Council (four-voice deliberation skill) - Gateguard (pre-edit fact-forcing hook) - Rey model escalator - chore: enable 4 soviet MCP servers in local settings Reina gate: PASS · 3 P2 follow-ups (dashboard.html LOC, create_session refactor, missing Task-ID on 9bb0e75)