Flag potentially expensive technical choices BEFORE they are committed — AI model selection, hosting tier upgrades, third-party services with metered pricing, and DB patterns that explode with scale. Preventive counterpart to `usage-monitor`, which tracks real spend after launch. Triggers when the u
Flag potentially expensive technical choices BEFORE they are committed — AI model selection, hosting tier upgrades, third-party services with metered pricing, and DB patterns that explode with scale. Preventive counterpart to `usage-monitor`, which tracks real spend after launch. Triggers when the user says "posso usar o Opus pra isso?", "qual plano eu contrato?", "isso vai ficar caro?", "quanto c