Add lesson whispers, teacher catch chance, and after-bell teacher talk.

Whispering cuts lesson skill gain from BehaviorDef; a teacher in the room may interrupt into a discipline circle, and pedagogy scales the pupil's opinion of the teacher.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/HSchool.Server/mods/core/defs/traits/traits.jsonc

@@ -35,6 +35,7 @@
     "incompatible": ["Leader", "Bully"],
     "wageAsk": -8,
     "talkInitiative": 0.45,
+    "whisperCatchMultiplier": 0.55,
   },
   {
     "defName": "Leader",
@@ -42,6 +43,7 @@
     "incompatible": ["Quiet"],
     "wageAsk": 10,
     "talkInitiative": 1.6,
+    "whisperCatchMultiplier": 1.25,
     "skillModifiers": [
       { "skill": "History", "offset": 4 },
     ],
@@ -107,5 +109,6 @@
     "incompatible": ["Quiet"],
     "talkInitiative": 1.4,
     "talkCircleBonus": 1,
+    "whisperCatchMultiplier": 1.4,
   },
 ]