Khata

>Daily logging of products (name, cost, quantity, total) >Auto-copy products to future days (always or one-day) >Forward cost & name updates (no accidental past changes) >Per-day one‑time copy flags >Delete or edit products & entries in a unified dialog >Dark / light theme toggle persisted >Automatic total calculation with prominent summary bar >Robust future-entry cleanup when auto-copy disabled >Streamlined UI: centered date picker, wide nav buttons, aligned numeric columns >Data integrity: prevents duplicate products, consistent rename propagation