- Updated `protocol.md` to clarify the concept of uncovered subjects and the number of additional teachers required. - Introduced `teachersShort` property in the `StaffingSubject` interface to indicate how many more teachers are needed for a subject. - Enhanced localization strings to reflect the new uncovered teacher information in both English and Russian. - Updated the management panel UI to display the number of teachers short for each uncovered subject. - Revised the `Uncovered` method in the staffing logic to return detailed information about uncovered subjects, including the shortfall of teachers. - Added tests to validate the new uncovered teacher tracking functionality and ensure accurate reporting in the staffing API. - Marked related tasks as complete in the documentation for the golden fixtures phase.