Enhance protocol and simulation features with activity tracking and behavior definitions

- Updated protocol documentation to include new `activity` and `activityLabel` fields in the person card response, reflecting real-time activity status.
- Introduced `BehaviorDef` to define behavior rules, including need thresholds and lesson skill gains, enhancing AI decision-making.
- Revised the `DefCatalog` to incorporate behavior definitions and updated validation logic to ensure proper behavior handling.
- Enhanced the simulation to manage presence and activity states, allowing for more dynamic interactions within the school environment.
- Updated tests to validate the new activity tracking and behavior functionalities, ensuring robust performance and reliability.
- Improved localization strings to support new activity and behavior features, enhancing user experience.

src/HSchool.Server/mods/core/localizations/en.jsonc

@@ -1,5 +1,12 @@
 {
   "Sit": "Sit",
+  "EatLunch": "Lunch",
+  "UseToilet": "Restroom",
+  "RecessRest": "Recess",
+  "Chat": "Chat",
+  "WalkCorridor": "Walk the corridor",
+  "WalkYard": "Walk the yard",
+  "Behavior": "Behavior rules",
   "Chair": "Chair",
   "DirectorsChair": "Principal's chair",
   "Desk": "Desk",