Enhance load_contest_file function to accept portfolio data for improved data integration

Enhance contest file loading logic in app.py to incorporate portfolio data

Add working dataframe to session state in app.py for improved data management

Update app.py to display the working dataframe instead of contest information

Update app.py to store and display contest information in session state

Add table display for working dataframe in app.py to enhance user visibility

Remove display of working dataframe in app.py to streamline user interface and focus on essential contest information.

Add display of working dataframe in app.py to enhance user visibility

Add display of contest dataframe in app.py for enhanced user visibility

Remove display of combined dataframe entries for 'Backtesting_upload' in app.py to streamline data presentation and improve user experience.

Refactor combined dataframe handling in app.py for improved clarity and performance

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Add debug print statement for backtesting uploads in app.py

Refactor player and stack column handling in app.py to accommodate combined dataframe

Add display of combined dataframe for backtesting uploads in app.py

Reset index of combined dataframe in app.py to ensure proper data alignment after concatenation of contest and portfolio data.

Reduce displayed rows for contest and portfolio data in app.py to improve performance and user experience. Added entry to session state for backtesting uploads.

Enhance portfolio upload error handling and data integration in app.py

Refactor portfolio upload functionality in app.py for improved data processing

Enhance data upload functionality in app.py with new portfolio upload section

Refactor load_contest_file.py to remove duplicate player entries in dataframes

Add NAS support in load_contest_file.py for lineup processing

Update sport selection options in app.py to include 'NAS'

Add new stack exclusions and implement vectorized team calculation in app.py

Optimize performance in app.py with vectorized operations

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Refactor download button for contest info in app.py to unify key

Update download buttons for contest info in app.py to include unique keys

Update download buttons in app.py to include unique keys for player, stack, size, general, and duplication info

Add note for future memory optimization in app.py

Add download buttons for player, stack, size, general, and duplication info in app.py

Refactor download button placement for contest info in app.py

Add download button for contest info in app.py

Comment out type conversion for 'Player' column in stack size DataFrame in app.py

Update DataFrame player type conversion in app.py

Fix DataFrame formatting for 'Exposure Overall' in app.py

Add TENNIS option to sport selection and position filtering in app.py

Update stack column handling in app.py

Refactor return message handling in export_contest_file function in app.py

Improve error handling for contest file export feedback in app.py

Enhance contest file upload interface in app.py

Enhance contest data upload feedback in app.py

Refactor contest data import logic in app.py

Add contest file export functionality in app.py

Update general comparison display in app.py to enhance data visualization

Update create_general_comparison.py to refine overall general calculation

Add general comparison feature in app.py and create_general_comparison.py

Rename function create_stack_comparison to create_size_comparison in create_size_comparison.py for consistency with feature naming. This change aligns the function name with its purpose of comparing stack sizes.

Add size comparison feature in app.py and create_size_comparison.py

Add stack comparison feature in app.py and create_stack_comparison.py