voice audit: gender-correct Gemini voices for all dialogue speakers (398/982 were mismatched, mostly female achernar on male roles); recurring characters keep one voice course-wide; distinct voices within dialogues

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

book-10-lesson-3.module

@@ -8,42 +8,42 @@ VOICE_DEFAULT: aoede | Clear, friendly American English narrator
 VOICE_INTRO: aoede | Warm, lightly witty teacher voice
 VOICE_PROMPT: gacrux | Questions and cues, read clearly
 VOICE_RESPONSE: schedar | Model answers, warm and clear
-VOICE: Student1 | achernar | Male student
-VOICE: Student2 | achird | Male student
-VOICE: Ann | aoede | Female speaker
-VOICE: Gloria | schedar | Female speaker
-VOICE: Peggy | aoede | Female speaker
-VOICE: Liz | schedar | Female speaker
-VOICE: Roger | achernar | Male speaker
-VOICE: Sam | achird | Male speaker
-VOICE: Jim | achernar | Male speaker
+VOICE: Student1 | achird | Male student
+VOICE: Student2 | charon | Male student
+VOICE: Ann | kore | Female speaker
+VOICE: Gloria | achernar | Female speaker
+VOICE: Peggy | gacrux | Female speaker
+VOICE: Liz | achernar | Female speaker
+VOICE: Roger | algenib | Male speaker
+VOICE: Sam | charon | Male speaker
+VOICE: Jim | iapetus | Male speaker
 VOICE: Bob | achird | Male speaker
-VOICE: Sgt_Burns | achernar | Male speaker
-VOICE: Sgt_Marsh | achird | Male speaker
-VOICE: Walt | achernar | Male speaker
-VOICE: Tim | achird | Male speaker
-VOICE: Carl | achernar | Male speaker
-VOICE: Ted | achird | Male speaker
-VOICE: Lt_Anders | achernar | Male speaker
-VOICE: Lt_Ashly | achird | Male speaker
-VOICE: Larry | achird | Male speaker
-VOICE: Janet | aoede | Female speaker
-VOICE: Vince | achernar | Male speaker
-VOICE: Adam | achernar | Male speaker
-VOICE: Jack | achird | Male speaker
-VOICE: Rita | aoede | Female speaker
-VOICE: Fran | schedar | Female speaker
-VOICE: Anna | aoede | Female speaker
-VOICE: Bill | achernar | Male speaker
-VOICE: Capt_Moreno | achird | Male speaker
-VOICE: Sgt_Kline | achernar | Male speaker
-VOICE: Sgt_Anderson | achird | Male speaker
-VOICE: Dad | achernar | Male speaker
-VOICE: Freddy | achird | Male speaker
-VOICE: Susie | aoede | Female speaker
-VOICE: Maj_Jones | achernar | Male speaker
+VOICE: Sgt_Burns | zubenelgenubi | Male speaker
+VOICE: Sgt_Marsh | rasalgethi | Male speaker
+VOICE: Walt | sadachbia | Male speaker
+VOICE: Tim | puck | Male speaker
+VOICE: Carl | umbriel | Male speaker
+VOICE: Ted | alnilam | Male speaker
+VOICE: Lt_Anders | orus | Male speaker
+VOICE: Lt_Ashly | algieba | Male speaker
+VOICE: Larry | algieba | Male speaker
+VOICE: Janet | kore | Female speaker
+VOICE: Vince | achird | Male speaker
+VOICE: Adam | schedar | Male speaker
+VOICE: Jack | puck | Male speaker
+VOICE: Rita | achernar | Female speaker
+VOICE: Fran | aoede | Female speaker
+VOICE: Anna | leda | Female speaker
+VOICE: Bill | charon | Male speaker
+VOICE: Capt_Moreno | alnilam | Male speaker
+VOICE: Sgt_Kline | iapetus | Male speaker
+VOICE: Sgt_Anderson | umbriel | Male speaker
+VOICE: Dad | achird | Male speaker
+VOICE: Freddy | charon | Male speaker
+VOICE: Susie | achernar | Female speaker
+VOICE: Maj_Jones | orus | Male speaker
 VOICE: Ms_Rogers | aoede | Female speaker
-VOICE: Mr_Thompson | achird | Male speaker
+VOICE: Mr_Thompson | puck | Male speaker
 VOICE: ID | achernar | speaker (auto)
 
 $LESSON 3-1: Changing a Flat Tire