•Knowledge Graph: LLM extracts (subject, predicate, object) facts from every conversation, deduplicates, indexes for semantic retrieval, and injects into copilot context automatically
•/memory page with Facts, Timeline, and Search tabs — browse, search, and delete extracted knowledge
•/safety page: Pinned Safety Constraints (6 immutable guardrails), AI Safety Framework (4 ethical principles), and Ethics Audit Log
•Agent Reputation tab on /agents: sortable leaderboard with satisfaction %, avg rating, response time, and summary stats
•Voice input in chat: Web Speech API primary, MediaRecorder-to-backend fallback
•TTS playback on agent messages via edge-tts self-hosted synthesis