feat: Refine component availability check to use forecast_availability and prevent hiding produce buttons for zero-consumed partial productions.

models/mrp_production.py

@@ -49,11 +49,13 @@ class MrpProduction(models.Model):
                 # Check availability based on the ACTUAL 'Consumed' quantity
                 qty_to_consume = move.quantity
 
-                # Check availability
-                product_in_location = move.product_id.with_context(location=location.id)
-                available_qty = product_in_location.qty_available
+                # Skip check if product is not storable (Service, etc.)
+                if not move.product_id.is_storable:
+                    continue
 
-                if available_qty - qty_to_consume < 0:
+                # Check availability
+                # We use forecast_availability as it includes reservations
+                if move.forecast_availability < qty_to_consume:
                     potential_negative = True
                     break
             
@@ -61,13 +63,7 @@ class MrpProduction(models.Model):
                 production.show_produce = False
                 production.show_produce_all = False
 
-            # User request: "hide the produce if all components consumed is 0 (does not make sense right to produce without components)"
-            # This should only apply if we are in "Partial Produce" mode (qty_producing > 0), where consumption should have been calculated/entered.
-            # If qty_producing is 0 (Fresh MO), we usually show "Produce All", which will auto-calculate consumption, so we shouldn't hide it.
-            if production.qty_producing > 0:
-                # Check if ALL moves have 0 quantity
-                # We filter out cancelled moves, and maybe we should focus on raw materials.
-                relevant_moves = production.move_raw_ids.filtered(lambda m: m.state not in ('done', 'cancel'))
-                if relevant_moves and all(m.quantity == 0 for m in relevant_moves):
-                    production.show_produce = False
-                    production.show_produce_all = False
+            # Relaxed guard: Do not hide if qty_producing > 0 even if consumption is 0.
+            # This allows users to trigger consumption by clicking the Produce button.
+            # If they really want to block 0-consumption production, it should be a validation error on click, 
+            # not a hidden button that prevents them from even trying.