🎉 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 🚀

update_scenes.py

@@ -0,0 +1,112 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""Update SCENES in __init__.py to Fases 56-61"""
+
+import re
+
+file_path = r'C:\ProgramData\Ableton\Live 12 Suite\Resources\MIDI Remote Scripts\AbletonMCP_AI\__init__.py'
+
+with open(file_path, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+# The old SCENES definition (what we're replacing)
+old_scenes_start = '# ================================================================'
+old_scenes_marker1 = '# SCENE DEFINITIONS'
+old_scenes_marker2 = 'SCENES = ['
+
+# Find the start of SCENES section
+start_idx = content.find('# SCENE DEFINITIONS (12 scenes for Fases 16-20)')
+if start_idx == -1:
+    start_idx = content.find('# SCENE DEFINITIONS (Fases 56-61: Scenes 0-5)')
+    if start_idx != -1:
+        print('INFO: File already has Fases 56-61')
+        exit(0)
+
+if start_idx == -1:
+    print('ERROR: Could not find SCENE DEFINITIONS section')
+    # Try to find any SCENE DEFINITIONS
+    idx = content.find('# SCENE DEFINITIONS')
+    if idx != -1:
+        print(f'Found SCENE DEFINITIONS at position {idx}')
+        print('Context:', content[idx:idx+100])
+    exit(1)
+
+# Find the end of SCENES list (FX_BY_SCENE closing brace)
+end_marker = '# FASE 19: NO_REPEAT'
+end_idx = content.find(end_marker, start_idx)
+if end_idx == -1:
+    end_idx = content.find('# FASE 20: Energy-based', start_idx)
+    
+if end_idx == -1:
+    print('ERROR: Could not find end of SCENES section')
+    exit(1)
+
+# Extract the section to replace
+old_section = content[start_idx:end_idx]
+
+print(f'Found section from {start_idx} to {end_idx} ({len(old_section)} chars)')
+
+# New SCENES definition
+new_section = '''# ================================================================
+        # SCENE DEFINITIONS (Fases 56-61: Scenes 0-5)
+        # ================================================================
+        SCENES = [
+            # Fase 56: Scene 0 - Intro (NO drums)
+            ("Intro", 4, 0.20, {
+                "drums": False, "bass": False, "lead": False,
+                "chords": "intro", "pad": True, "ambience": True, "hat": False,
+                "riser": False, "impact": False
+            }),
+            # Fase 57: Scene 1 - Verse A (sparse drums, intensity 0.6)
+            ("Verse A", 8, 0.50, {
+                "drums": True, "bass": True, "lead": False,
+                "chords": "verse_standard", "pad": False, "ambience": False, "hat": True,
+                "drum_intensity": 0.6, "bass_style": "sub"
+            }),
+            # Fase 58: Scene 2 - Verse B (agrega lead melody)
+            ("Verse B", 8, 0.60, {
+                "drums": True, "bass": True, "lead": True,
+                "chords": "verse_alt1", "pad": False, "ambience": False, "hat": True,
+                "drum_intensity": 0.7, "bass_style": "standard"
+            }),
+            # Fase 59: Scene 3 - Pre-Chorus (riser y anticipation)
+            ("Pre-Chorus", 4, 0.75, {
+                "drums": True, "bass": True, "lead": False,
+                "chords": "prechorus", "pad": True, "ambience": False, "hat": True,
+                "riser": True, "drum_intensity": 0.8, "anticipation": True
+            }),
+            # Fase 60: Scene 4 - Chorus A (impact y maxima energia)
+            ("Chorus A", 8, 0.95, {
+                "drums": True, "bass": True, "lead": True,
+                "chords": "chorus_power", "pad": True, "ambience": False, "hat": True,
+                "impact": True, "drum_intensity": 1.0, "bass_style": "melodic"
+            }),
+            # Fase 61: Scene 5 - Chorus B (modulacion +1 semitono)
+            ("Chorus B", 8, 0.90, {
+                "drums": True, "bass": True, "lead": True,
+                "chords": "chorus_alternative", "pad": False, "ambience": False, "hat": True,
+                "drum_intensity": 0.95, "bass_style": "octaves", "modulation": "+1"
+            }),
+        ]
+
+        # Scene indices with drums active (for Perc Loops, etc.)
+        PERC_LOOP_SCENES = [1, 2, 3, 4, 5]  # All except Intro (0)
+        DRUMLOOP_SCENES = [1, 2, 3, 4, 5]   # All except Intro (0)
+        PROTAGONIST_SCENES = [2, 4]         # Main scenes for protagonist drumloop
+
+        # FX assignments by scene (extended params)
+        FX_BY_SCENE = {
+            3: "riser",      # Pre-Chorus: Riser
+            4: "impact",     # Chorus A: Impact
+        }
+
+        '''
+
+# Replace
+new_content = content[:start_idx] + new_section + content[end_idx:]
+
+with open(file_path, 'w', encoding='utf-8') as f:
+    f.write(new_content)
+
+print('SUCCESS: SCENES updated to Fases 56-61')
+print('Scenes 0-5 configured: Intro, Verse A, Verse B, Pre-Chorus, Chorus A, Chorus B')