[FIX] sale_order_price_precision: Product Price Sales precision also on invoices

Author: dreispt

sale_order_price_precision/__manifest__.py

@@ -2,13 +2,14 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {
     "name": "Sale Order Price Precision",
-    "summary": "Add decimal precision for sale order prices",
+    "summary": "Add decimal precision for sale order and invoice prices",
     "version": "17.0.1.0.0",
     "author": "Open Source Integrators, Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/sale-workflow",
     "category": "Sales",
     "depends": [
         "sale",
+        "account",
     ],
     "data": [
         "data/decimal_precision_data.xml",

sale_order_price_precision/models/__init__.py

@@ -1,3 +1,4 @@
 # Copyright 2026 Open Source Integrators
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+from . import account_move_line
 from . import sale_order

sale_order_price_precision/models/account_move_line.py

@@ -0,0 +1,14 @@
+# Copyright 2026 Open Source Integrators
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class AccountMoveLine(models.Model):
+    _inherit = "account.move.line"
+
+    # Override price_unit to use Product Price Sales decimal precision
+    price_unit = fields.Float(
+        string="Unit Price",
+        digits="Product Price Sales",
+    )