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-11-lesson-3.module

@@ -7,37 +7,37 @@ 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: Man1 | achernar | Male voice
+VOICE: Man1 | achird | Male voice
 VOICE: Man2 | schedar | Male voice
-VOICE: Jack | achird | Male voice
-VOICE: Major_Smith | achernar | Male voice
+VOICE: Jack | puck | Male voice
+VOICE: Major_Smith | charon | Male voice
 VOICE: Major_Parker | achird | Male voice
-VOICE: Clerk | gacrux | Female voice
-VOICE: Bob | achernar | Male voice
+VOICE: Clerk | kore | Female voice
+VOICE: Bob | achird | Male voice
 VOICE: Roommate | schedar | Male voice
-VOICE: Customer | achernar | Male voice
-VOICE: Waiter | schedar | Male voice
-VOICE: Mechanic | achird | Male voice
-VOICE: Fred | achird | Male voice
+VOICE: Customer | achird | Male voice
+VOICE: Waiter | iapetus | Male voice
+VOICE: Mechanic | schedar | Male voice
+VOICE: Fred | umbriel | Male voice
 VOICE: Nell | aoede | Female voice
-VOICE: Pat | gacrux | Female voice
-VOICE: Sam | achernar | Male voice
-VOICE: Willie | achernar | Male voice
-VOICE: Walter | achird | Male voice
-VOICE: Tim | achird | Male voice
-VOICE: Tom | achird | Male voice
-VOICE: George | achird | Male voice
-VOICE: Kevin | achernar | Male voice
+VOICE: Pat | leda | Female voice
+VOICE: Sam | charon | Male voice
+VOICE: Willie | achird | Male voice
+VOICE: Walter | charon | Male voice
+VOICE: Tim | puck | Male voice
+VOICE: Tom | schedar | Male voice
+VOICE: George | algenib | Male voice
+VOICE: Kevin | orus | Male voice
 VOICE: Sandy | aoede | Female voice
 VOICE: Sarah | gacrux | Female voice
-VOICE: Doug | achernar | Male voice
-VOICE: Glen | achird | Male voice
-VOICE: Jim | achernar | Male voice
-VOICE: Vic | achird | Male voice
-VOICE: Mike | achernar | Male voice
-VOICE: Pete | achird | Male voice
-VOICE: Kaye | aoede | Female voice
-VOICE: Kyle | achernar | Male voice
+VOICE: Doug | sadachbia | Male voice
+VOICE: Glen | zubenelgenubi | Male voice
+VOICE: Jim | iapetus | Male voice
+VOICE: Vic | rasalgethi | Male voice
+VOICE: Mike | algieba | Male voice
+VOICE: Pete | alnilam | Male voice
+VOICE: Kaye | achernar | Female voice
+VOICE: Kyle | umbriel | Male voice
 VOICE: ID | achernar | speaker (auto)
 VOICE: Narrator | achird | speaker (auto)