Add hype mode: positive/supportive teammate personality

New mode that gasses people up for their plays and takes using
gaming hype terminology, but reads the room and dials back to
genuine encouragement when someone's tilted or frustrated.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

config.yaml

@@ -84,6 +84,19 @@ modes:
       spike_warning_threshold: 0.75
       spike_mute_threshold: 0.90
 
+  hype:
+    label: "Hype"
+    description: "Your biggest fan"
+    prompt_file: "chat_hype.txt"
+    proactive_replies: true
+    reply_chance: 0.15
+    moderation: relaxed
+    relaxed_thresholds:
+      warning_threshold: 0.80
+      mute_threshold: 0.85
+      spike_warning_threshold: 0.70
+      spike_mute_threshold: 0.85
+
   english_teacher:
     label: "English Teacher"
     description: "Insufferable grammar nerd mode"