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-9-lesson-2.module

@@ -8,48 +8,48 @@ VOICE_DEFAULT: aoede | Clear, friendly American English narrator
 VOICE_INTRO: aoede | Warm, slightly wry teacher voice
 VOICE_PROMPT: gacrux | Questions and cues, read clearly
 VOICE_RESPONSE: schedar | Model answers, warm and clear
-VOICE: Sam | achernar | Male
-VOICE: Ted | achird | Male
-VOICE: Man1 | achernar | Male
+VOICE: Sam | charon | Male
+VOICE: Ted | alnilam | Male
+VOICE: Man1 | achird | Male
 VOICE: Man2 | schedar | Male
-VOICE: Jan | aoede | Female
-VOICE: Tom | achernar | Male
-VOICE: Rita | aoede | Female
+VOICE: Jan | gacrux | Female
+VOICE: Tom | schedar | Male
+VOICE: Rita | achernar | Female
 VOICE: Jane | aoede | Female
-VOICE: Steve | achernar | Male
-VOICE: Larry | achird | Male
-VOICE: Policeman | achernar | Male
-VOICE: Witness | achird | Male
-VOICE: Boy | achernar | Male
-VOICE: Driver | achird | Male
+VOICE: Steve | iapetus | Male
+VOICE: Larry | algieba | Male
+VOICE: Policeman | puck | Male
+VOICE: Witness | iapetus | Male
+VOICE: Boy | achird | Male
+VOICE: Driver | charon | Male
 VOICE: Bystander | aoede | Female
-VOICE: Bob | achernar | Male
-VOICE: Tim | achird | Male
+VOICE: Bob | achird | Male
+VOICE: Tim | puck | Male
 VOICE: Ms_Nelson | aoede | Female
-VOICE: Joe | achird | Male
-VOICE: Don | achernar | Male
-VOICE: Jim | achird | Male
-VOICE: Pam | aoede | Female
-VOICE: Waiter | achernar | Male
-VOICE: Harold | achird | Male
-VOICE: Steven | achernar | Male
-VOICE: Herb_Wilson | achird | Male
-VOICE: Ms_Johnson | aoede | Female
+VOICE: Joe | zubenelgenubi | Male
+VOICE: Don | umbriel | Male
+VOICE: Jim | iapetus | Male
+VOICE: Pam | achernar | Female
+VOICE: Waiter | iapetus | Male
+VOICE: Harold | alnilam | Male
+VOICE: Steven | achird | Male
+VOICE: Herb_Wilson | orus | Male
+VOICE: Ms_Johnson | kore | Female
 VOICE: Lori_Wilson | aoede | Female
-VOICE: George | achernar | Male
-VOICE: Edward | achird | Male
-VOICE: Mrs_Hall | aoede | Female
-VOICE: Fred | achernar | Male
-VOICE: Jack | achird | Male
-VOICE: Ed | achernar | Male
-VOICE: Mike | achird | Male
+VOICE: George | algenib | Male
+VOICE: Edward | charon | Male
+VOICE: Mrs_Hall | achernar | Female
+VOICE: Fred | umbriel | Male
+VOICE: Jack | puck | Male
+VOICE: Ed | rasalgethi | Male
+VOICE: Mike | algieba | Male
 VOICE: Lee | aoede | Female
-VOICE: Oscar | achernar | Male
-VOICE: Kevin | achird | Male
+VOICE: Oscar | achird | Male
+VOICE: Kevin | orus | Male
 VOICE: Mother | aoede | Female
-VOICE: Dad | achernar | Male
-VOICE: Billy | achernar | Male
-VOICE: Roberta | aoede | Female
+VOICE: Dad | achird | Male
+VOICE: Billy | charon | Male
+VOICE: Roberta | achernar | Female
 VOICE: ID | achernar | speaker (auto)
 
 $LESSON 2-1: Driving and Accident Vocabulary