(Free tier only) Reach the monthly AI suggestion limit. To get there fast in a non-prod build, open Settings → QA: under QA Entitlements set the plan to Free and click Apply, then under Seed usage near limit pick Note AI suggestions and click Set count to limit - 2 — this seeds your usage to two below the cap, so a couple more Ask AI questions trip the limit. (The cap only enforces when QA Entitlements shows enforcement=true — it is gated per environment, so a local dev backend may have it off.)
A limit-reached message appears and the input is disabled