Fix deployment: create missing Flask app, save preprocessor, improve KMeans efficiency#2

Draft

Copilot wants to merge 2 commits intomainfrom

copilot/identify-improve-slow-code

Commits on Feb 28, 2026

Initial plan
Copilot
committed
Fix deployment: create Flask app, package inits, save preprocessor, improve KMeans efficiency

Copilot
and
Sasisundar2211
committed