Botanist — controlled experiments

Botanist — controlled experiments

在冻结 benchmark 上运行应用前/后对照实验，产出回归门结论与指标 diff；只测量，不裁决，晋级仍需人工守门。

PRD refs

AH-BOT-1..3（docs/PRD.md）

Roadmap

Phase 5

Status

Planned — this surface ships in a later phase; the routes are in place.