fix: avoid nested expander StreamlitAPIException by using bordered container

style: increase logo size in main header and sidebar for better visibility

fix: add defensive check for row_index to avoid StreamlitAPIException on remote

feat: generalized cell editing with server-side auto-save and bulk autofill utility

Fix nested expander exception in filter component

sample port or mock data

Fix st.dialog compatibility and override backend port for Hugging Face Spaces

Deployment: configure self-launching backend, Hugging Face metadata, and combined requirements.txt

Branding: center logo in sidebar using columns

Branding: resize main and sidebar logos to be smaller and more compact

Branding: update typographic logo and favicon with correct transparency threshold

Branding: update logo and favicon to be transparent background

Branding: integrate custom generated logo and favicon, and replace text headers with image assets

Hide technical information (Streamlit, Python, Polars) from users and eliminate unwanted top header space

Feature: custom skeleton loaders, dynamic PC IP address binding, sidebar refresh & reset operations, and join sheet mismatch fix

fix: cast values column to Float64 in pivot engine to prevent str aggregate crashes

feat: add aggregation and group-by count support to the Plotly Graph Configurator

fix: make column type checks in filters.py case-insensitive and add a fallback for Y-axis dropdown to fix Plotly Graph Configurator

style: remove bank and loan references from frontend tooltips and texts

feat: enhance join columns selection, add sidebar popups, enforce dark theme, support CSV files, and add tooltips

Remove temp_uploads folder from repository

chore: expand temp_uploads ignore rules in .gitignore

feat: initial commit of Antigravity 2.0 analytics engine with Calamine parsing and network binding fixes