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Review regressions before expanding the test." ], "measure": "Successful outcomes, response time, human rework, and total cost per successful task.", "decision": "Keep the change only if it meets your preselected quality and latency limits and improves the metric you care about after setup and operating costs. Otherwise retain the baseline. This is an exploration plan, not a validated recommendation." }, "builder_review": null, "arxiv_id": "2609.20995", "title": "Voice-Light: A Full-Duplex Cascaded Voice Agent with Causal Turn-Taking and Speculative Generation", "summary": "This replaces a half-duplex ASR-LLM-TTS pipeline with a cascaded full-duplex stack combining streaming ASR with a shared causal adapter, speculative private response generation, reversible playback, concurrent tool calls with bridge speech, and browser acknowledgments that gate durable history. The cost is substantial integration complexity: shared encoders, playback reversal, concurrency control, and history-authority logic must all be engineered and maintained, with latency gains unproven against a controlled baseline. 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