| # Spec Delta | |
| ## Purpose | |
| Tools only developers can reach: a lab for testing tools, and a view of what the AI costs. | |
| ## ADDED Requirements | |
| ### Requirement: Developers only | |
| The lab and the AI usage page SHALL be reachable only by developers. | |
| #### Scenario: Manager | |
| - **WHEN** a manager asks for the lab | |
| - **THEN** it is refused | |
| ### Requirement: Lab | |
| The lab SHALL be a page for testing and development tools. Until the first tool is chosen it SHALL say that tools will be added here. | |
| #### Scenario: Empty lab | |
| - **WHEN** a developer opens the lab | |
| - **THEN** it says tools will be added here | |
| ### Requirement: AI usage | |
| A page SHALL show the AI's calls and estimated cost by day, by class and by kind of call. | |
| #### Scenario: One week | |
| - **WHEN** a developer opens the usage page | |
| - **THEN** it shows each day's calls and cost, with totals per class and per kind | |