Reception Purchase Total

This module adds purchase price totals to stock reception views. Specifically:

• Adds a total amount column to stock move lines in receptions, showing the purchase price * quantity
• Shows a total amount at the bottom of operations and detailed operations tabs in: - Reception form view - Batch Transfer form view
• Links stock moves to their original purchase order line prices

Technical Details: * Extends stock.move to compute total amount based on purchase line price * Adds computed fields and view inheritance to display totals * Compatible with standard Odoo purchase and inventory workflows