08 — Nationwide Location Hierarchy Flow (DAM Standard)

Nejjo Mullo (ন্যায্য মূল্য) integrates the 4-tier cascaded location hierarchy matching Bangladesh Department of Agricultural Marketing (DAM): Bangladesh → Division (8) → District (64) → Upazila → Market/Bazar.

11 — Developer Handoff & Architecture

Comprehensive 100+ Bangladesh commodities catalog data structures, budget planner mathematical formulation, and offline caching schema.

// Product Entity Data Model (Dart / Flutter)
class ProductEntity {
  final String id;
  final String nameBn;
  final String nameEn;
  final String category;
  final String unitBn;
  final String unitEn;
  final double damBasePrice;
  final double marketAvgBase;
  final double wholesalePrice;
  final List trend7d;

  ProductEntity({
    required this.id,
    required this.nameBn,
    required this.nameEn,
    required this.category,
    required this.unitBn,
    required this.unitEn,
    required this.damBasePrice,
    required this.marketAvgBase,
    required this.wholesalePrice,
    required this.trend7d,
  });
}