🎉 Sprint 7 COMPLETADO - MIDI instruments funcionando, clear_project agregado, drum loop + harmony test exitoso

AVANCES CLAVE:
✅ B001 FIX: MIDI instruments cargan correctamente (Wavetable/Operator)
✅ API fix: app.view.selected_track → self._song.view.selected_track
✅ clear_project: Nuevo comando para limpiar Session + Arrangement View
✅ Drum loop + Harmony: 100bpm gata con progresión Am-F-C-G funcionando
✅ 13 scenes production: Sistema completo operativo

Estado: MUY FELIZ, todo funciona perfectamente 🚀

find_return.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+"""Find and modify return statement in _cmd_build_pro_session"""
+
+import sys
+
+def main():
+    filepath = r'C:\ProgramData\Ableton\Live 12 Suite\Resources\MIDI Remote Scripts\AbletonMCP_AI\__init__.py'
+    
+    with open(filepath, 'r', encoding='utf-8') as f:
+        content = f.read()
+    
+    # Find the function
+    func_start = content.find('def _cmd_build_pro_session')
+    print(f"Function starts at position: {func_start}")
+    
+    # Find the pattern for the return statement after samples loaded
+    pattern = '"samples loaded: %d across %d scenes"'
+    idx = content.find(pattern, func_start)
+    print(f"Pattern found at position: {idx}")
+    
+    if idx > 0:
+        # Find the next return statement after this
+        ret_idx = content.find('return {', idx)
+        print(f"Return statement at position: {ret_idx}")
+        
+        # Print context
+        print("\nContext around return:")
+        print(content[ret_idx-200:ret_idx+400])
+    
+    return 0
+
+if __name__ == '__main__':
+    sys.exit(main())