Expand safe_builtins and add them in the prompt

fix exec()

Improve Budget sheet handling, schema and prompt.

Silly assumption

Try to reduce prompt size

Add debug lines

Fix OpenAI parameter

Fix OpenAI parameter

Update OpenAI instructions

Add usage limit

Replace Gemini with OpenAI

Switch model to Flash

Set shate true

Remove unused code

Remove headers from Budget Summary

Improve Budget Sheet handling

Update loader function to load whole Budget sheet and improve prompt

Update Gradio UI: add title, Send and Copy buttons and change chat window's size

Change Gemini Model back to 2.5-pro. Add better Budget sheet pre-processing breakdown and files context to the prompt

Fix different header cases handling to data loading section

Change Gemini Model to 2.5 Flash

Add one more special header case handling to data loading section

Add a restricted set of built-ins

Add special header case handling to data loading section. Append schema with example rows to be passed to Gemini for context. Improve the prompt and format_result function.

Update prompt to let Gemini know how to access data, add tie rule. Add helper method to format result for output using numpy

Update get_schema_info function to read each Sheet and its columns

Ensure all sheets are extracted from the source files

Add lines filter to remove unwanted code from Gemini's output

Update prompt

Try another AI model

Use os.path.join to be OS-safe

Remove .gitignore, update file paths in app.py, add data source files using git lfs

Major approach change. Rewrite app.py, ajust requirements and update .gitignore.

Update upload_excel() to read all pages in a file instead of just 1

Fix Gemini model name

Add Gemini API. Set latest Gradio version.

Add initial files