Added a Training Simulator Tab

How to use:
Select Deck: Choose one of your built decks (if you haven't built one, do that first in Deck Builder).
Motivation: Set your Uma's mood (e.g., Perfect for +20% stats).
Facility Levels: Use sliders to set the training facilities (1-5).

gui/main_window.py

@@ -14,6 +14,7 @@ from db.db_queries import get_database_stats, get_owned_count
 from gui.card_view import CardListFrame
 from gui.effects_view import EffectsFrame
 from gui.hints_skills_view import SkillSearchFrame
+from gui.training_sim import TrainingSimFrame
 from gui.deck_builder import DeckBuilderFrame
 from gui.update_dialog import show_update_dialog
 from gui.theme import (
@@ -33,7 +34,7 @@ class MainWindow:
     def __init__(self):
         self.root = tk.Tk()
         self.root.title("Umamusume Support Card Manager")
-        self.root.geometry("1400x850") # Slightly larger for new UI
+        self.root.geometry("1400x850") 
         self.root.minsize(1350, 800)
         
         # Set icon
@@ -157,9 +158,13 @@ class MainWindow:
         self.deck_frame = DeckBuilderFrame(self.notebook)
         self.notebook.add(self.deck_frame, text="  🎴 Deck Builder  ")
         
-        # Skill Search Tab (Replaces Hints & Skills)
+        # Skill Search Tab
         self.hints_frame = SkillSearchFrame(self.notebook)
         self.notebook.add(self.hints_frame, text="  🔍 Skill Search  ")
+        
+        # Training Sim Tab
+        self.sim_frame = TrainingSimFrame(self.notebook)
+        self.notebook.add(self.sim_frame, text="  📈 Training Sim  ")
     
     def create_status_bar(self, parent):
         """Create status bar at bottom"""