fix(frontend): resolve jobState typing error in Interpolation Preview

feat(fullstack): final production-readiness overhaul

fix(frontend): parse leafet map bounds correctly to prevent stretched globe bug

fix(frontend): add type checking and guards for Leaflet map bounds

feat(frontend): integrate dynamic variables and geographical leaflet projections

fix: Implement native Leaflet side-by-side comparison slider and fix double export bug

fix: Resolve duplicate keys, eliminate missing validation routes, and sync component prop types

fix: Implement custom validation slider and correct Interpolation result preview

worked on integration (partial errors)

changed some things in frontend