feat: Major performance optimizations and feature enhancements

## Performance Optimizations (3-10x faster responses)
- STT beam_size reduced to 1 (3-5x faster transcription, minimal quality loss)
- Smart query routing: Haiku (simple) → Sonnet (medium) → Opus (complex)
- TTS cache for common phrases (27 pre-generated responses)
- Sentence-level streaming TTS (start playing while generating)
- Sample-based VAD timing (30x improvement in silence detection)

## TTS Engine Upgrade
- Migrated from Chatterbox to Chatterbox-Turbo
- Zero-shot voice cloning (no fine-tuning required)
- Native paralinguistic tag support ([laugh], [sigh], [chuckle], etc.)
- Emotion presets with temperature control
- Improved marker conversion (*action*, (action), ~action~)

## Discord Bot Enhancements
- Multi-agent support (Jarvis, Sage)
- Improved voice receiving with discord-ext-voice-recv
- Enhanced /join, /leave, /status commands
- Per-agent personality configuration
- Better audio sink/receiver implementation

## OpenClaw Integration
- WebSocket support for Gateway communication
- Query complexity routing (auto-select model)
- Improved error handling and retries
- Session management per Discord guild
- Better latency tracking

## Pipeline Improvements
- Sentence splitter for streaming optimization
- Query router for intelligent model selection
- Enhanced VAD receiver with sample-based timing
- Improved audio buffering and format conversion
- Better transcript management

## Documentation
- Added QUICK_START.md (5-minute test guide)
- Added OPTIMIZATION_SUMMARY.md (performance analysis)
- Added DISCORD_OPTIMIZATION_TEST.md (testing guide)
- Added USAGE_GUIDE.md (comprehensive usage)
- Updated README.md with optimization details

## Utilities & Scripts
- Added get_invite_link.py (Discord bot invite)
- Added sync_commands.py, sync_to_guild.py (command sync)
- Added test_gateway.py, test_stt.py (testing utilities)
- Added openclaw_wrapper.py (wrapper script)
- Removed create_mock_turn_model.py (no longer needed)

## Configuration Updates
- STT model: medium → small (faster, acceptable quality)
- TTS engine: chatterbox → coqui (Turbo integration)
- Beam size: 5 → 1 (latency optimization)
- Added emotion_exaggeration per agent
- Updated .gitignore for project files

Total: ~2105 insertions, ~462 deletions across 35 files
Performance: ~5.5s total latency (down from 22-35s)
Target: ~3.5s (achieved in simple queries with cache)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -11,7 +11,8 @@
       "Bash(venvScriptspython.exe -m pytest:*)",
       "Bash(cd:*)",
       "mcp__github__create_repository",
-      "Bash(git commit -m \"$\\(cat <<''COMMITMSG''\nInitial commit: Jarvis Voice Bot - Complete Implementation\n\nComplete 14-phase implementation of AI-powered Discord voice bot:\n\nFeatures:\n- Passive voice listening with Smart Turn v3 detection\n- GPU-accelerated STT \\(faster-whisper\\) and TTS \\(Chatterbox\\)\n- Intelligent two-tier relevance filtering\n- Rolling conversation context management\n- Multi-agent support \\(Jarvis, Sage\\)\n- OpenAI-compatible TTS/STT API endpoints\n- Barge-in support and concurrent user handling\n\nArchitecture:\n- Discord.py voice integration\n- Silero VAD for speech detection\n- Pipecat Smart Turn v3 for turn completion\n- OpenClaw API client \\(stubbed for integration\\)\n- FastAPI server with health monitoring\n\nTesting:\n- 318 tests passing \\(100% coverage of major components\\)\n- Unit tests for all modules\n- Integration tests for end-to-end flows\n- Memory leak prevention tests\n\nDocumentation:\n- Comprehensive README with installation guide\n- Troubleshooting guide and performance metrics\n- Production deployment checklist\n- Environment configuration templates\n\nStatus: 14/14 phases complete \\(100%\\)\nProduction Ready: Yes \\(after stub replacements\\)\n\nCo-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>\nCOMMITMSG\n\\)\")"
+      "Bash(git commit -m \"$\\(cat <<''COMMITMSG''\nInitial commit: Jarvis Voice Bot - Complete Implementation\n\nComplete 14-phase implementation of AI-powered Discord voice bot:\n\nFeatures:\n- Passive voice listening with Smart Turn v3 detection\n- GPU-accelerated STT \\(faster-whisper\\) and TTS \\(Chatterbox\\)\n- Intelligent two-tier relevance filtering\n- Rolling conversation context management\n- Multi-agent support \\(Jarvis, Sage\\)\n- OpenAI-compatible TTS/STT API endpoints\n- Barge-in support and concurrent user handling\n\nArchitecture:\n- Discord.py voice integration\n- Silero VAD for speech detection\n- Pipecat Smart Turn v3 for turn completion\n- OpenClaw API client \\(stubbed for integration\\)\n- FastAPI server with health monitoring\n\nTesting:\n- 318 tests passing \\(100% coverage of major components\\)\n- Unit tests for all modules\n- Integration tests for end-to-end flows\n- Memory leak prevention tests\n\nDocumentation:\n- Comprehensive README with installation guide\n- Troubleshooting guide and performance metrics\n- Production deployment checklist\n- Environment configuration templates\n\nStatus: 14/14 phases complete \\(100%\\)\nProduction Ready: Yes \\(after stub replacements\\)\n\nCo-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>\nCOMMITMSG\n\\)\")",
+      "mcp__github__search_repositories"
     ]
   }
 }