March 2026 performance summary: Delivered two feature enhancements to Cartesia TTS workflows across two repositories to reduce latency variance and enhance streaming quality. In livekit/agents-js, introduced max_buffer_delay_ms to Cartesia TTS plugin for precise buffering control. In livekit/agents, refined buffer delay settings to improve audio quality during streaming. These changes improve user experience for TTS-enabled workflows by delivering smoother playback with more predictable latency, enabling easier QA and deployment. No major bugs fixed this month; all work is feature-focused and tracked via commits 9657e4b9aaf618831e418a1b130281cb47354ea6 and 12ee4acb7b9b92654f2a3235131ab7f5b5a034c2. Technologies demonstrated include JavaScript/TypeScript plugin development, streaming audio optimization, and cross-repo collaboration.