<!-- mining-index: 2026-03-01 -->
# Sinain Playbook

## Established Patterns
- When OCR pipeline stalls, check camera frame queue depth (score: 0.8)
- When user explores new framework, spawn research agent proactively (score: 0.6)

## Observed
- User prefers concise Telegram messages over detailed ones
- Late evening sessions tend to be exploratory/research-heavy

## Stale
- Flutter overlay rendering glitch on macOS 15 [since: 2026-02-18]

<!-- effectiveness: outputs=8, positive=5, negative=1, neutral=2, rate=0.63, updated=2026-02-21 -->
