feat: implement SCD Type 2 dim_inventory and daily fact tables from intermediate layer

mart_stracture.t

@@ -0,0 +1,60 @@
+marts/
+├── core/                          # Conformed dimensions and core facts
+│   ├── dimensions/                # Shared dimensions (used across multiple facts)
+│   │   ├── dim_customers.sql
+│   │   ├── dim_products.sql
+│   │   ├── dim_stores.sql
+│   │   ├── dim_date.sql
+│   │   ├── dim_employees.sql
+│   │   └── _core__dimensions.yml  # Documentation for all core dimensions
+│   │
+│   ├── facts/                     # Core fact tables
+│   │   ├── fct_transactions.sql
+│   │   ├── fct_returns.sql
+│   │   ├── fct_reviews.sql
+│   │   ├── fct_inventory.sql
+│   │   └── _core__facts.yml
+│   │
+│   └── scd/                       # Slowly Changing Dimensions
+│       ├── scd_dim_customers.sql
+│       ├── scd_dim_products.sql
+│       └── _core__scd.yml
+│
+├── finance/                       # Finance-specific marts
+│   ├── dimensions/
+│   │   ├── dim_revenue_categories.sql
+│   │   └── _finance__dimensions.yml
+│   ├── facts/
+│   │   ├── fct_revenue.sql
+│   │   ├── fct_costs.sql
+│   │   └── _finance__facts.yml
+│   └── aggregated/                # Pre-aggregated metrics for dashboards
+│       ├── fct_daily_revenue.sql
+│       ├── fct_monthly_profitability.sql
+│       └── _finance__aggregated.yml
+│
+├── marketing/                     # Marketing-specific marts
+│   ├── dimensions/
+│   │   ├── dim_campaigns.sql
+│   │   ├── dim_customer_segments.sql
+│   │   └── _marketing__dimensions.yml
+│   ├── facts/
+│   │   ├── fct_customer_acquisition.sql
+│   │   ├── fct_campaign_performance.sql
+│   │   └── _marketing__facts.yml
+│   └── aggregated/
+│       ├── fct_customer_lifetime_value.sql
+│       └── _marketing__aggregated.yml
+│
+├── operations/                    # Operations-specific marts
+│   ├── dimensions/
+│   │   ├── dim_store_performance.sql
+│   │   └── _operations__dimensions.yml
+│   ├── facts/
+│   │   ├── fct_inventory_turnover.sql
+│   │   └── _operations__facts.yml
+│   └── aggregated/
+│       ├── fct_store_performance.sql
+│       └── _operations__aggregated.yml
+│
+└── _marts__sources.yml            # Sources for marts (if needed)

models/marts/core/dimensions/_dim_models.yml

@@ -52,19 +52,3 @@ models:
           - accepted_values:
               arguments:
                 values: ['True', 'False', 'Unknown']
-
-  - name: dim_date
-    description: Calendar dimension built from dates observed across sales, returns, reviews, and inventory snapshots.
-    columns:
-      - name: date_day
-        description: Calendar date.
-        tests:
-          - unique
-          - not_null
-
-      - name: day_type
-        description: Weekday or weekend indicator.
-        tests:
-          - accepted_values:
-              arguments:
-                values: ['Weekday', 'Weekend']

models/marts/core/dimensions/dim_customers.sql

@@ -28,4 +28,4 @@ LEFT JOIN {{ ref('int_customer_location') }} as l
     ON p.customer_id = l.customer_id
 
 LEFT JOIN {{ ref('int_customer_segmentation') }} as s  
-    ON s.customer_id = p.customer_id ;
+    ON s.customer_id = p.customer_id ;