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pandas (+ numpy) is declared in pyproject.toml and requirements.txt but never imported anywhere in the backend. It adds ~5.5s to cold start and significant installation time for zero functionality.
The duck-typing check for pandas DataFrame objects was never reached since the frontend always sends plain JSON arrays. Removes dead code now that the pandas dependency is gone.
First run installs everything as before. Subsequent runs detect existing installations and skip directly to starting servers: - Python deps: check for .venv\Scripts\uvicorn.exe - Playwright: check for %LOCALAPPDATA%\ms-playwright\chromium-* Saves minutes of unnecessary dependency resolution on every app launch.
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Summary
This PR addresses issues with Perf: remove unused pandas
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