feat(mcp-server): add 4 A2A pipelines — DailyBrief, MarketplaceCert, SafetyMonitor, SyncDiagnostics
- DailyBriefGenerationPipeline (mindlyst.brief.generate): fans out memory items across all brains, runs memory-insight extraction per brain, assembles and stores DailyBriefDoc
- MarketplaceCertificationPipeline (jarvis.marketplace.runCertification): ingestion validation, content safety via triage extraction, heuristic quality scoring, approve/reject/pending_human_review decision
- SafetyMonitorAgent (nomgap.safety.check + nomgap.safety.getThresholds): 5-tier threshold table, push notifications, A2A handoff for 72h+ fasts
- SyncDiagnosticsAgent (peakpulse.sync.diagnose): failure pattern classification from telemetry, conditional platform diagnostics session, log/trace capture, root cause + extraction entity report
- Add 3 missing client functions: mindlystBriefCreate, nomgapFastingSessionGet, jarvisMarketplaceGetListing
- MCP server now at 91 tools across 16 namespaces