- Conversation arc system: callers evolve through Opening → Building → Turn →
Depth → Wind down stages, with style-based timing offsets
- Problem seeds: 80 short concept strings that the LLM expands into unique
stories each time (50% of PROBLEMS picks use seeds vs full entries)
- Style gradients: 4 composable axes (energy, honesty, humor, confidence)
with 625 combinations, used 50% of the time alongside handcrafted styles
- Call duration tracking: records metrics to data/call_metrics.json, learns
which pools and style axes produce longer calls, nudges future picks ±15%
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>