feat(receiving): module scaffold + fp.receiving.damage + fp.receiving.line models

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

fusion-plating/fusion_plating_receiving/models/fp_receiving_line.py

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+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1 (Odoo Proprietary License v1.0)
+# Part of the Fusion Plating product family.
+
+from odoo import fields, models
+
+
+class FpReceivingLine(models.Model):
+    """Per-part-number receiving detail line.
+
+    Tracks expected vs received quantity and condition for each
+    distinct part number in the receiving record.
+    """
+    _name = 'fp.receiving.line'
+    _description = 'Fusion Plating — Receiving Line'
+    _order = 'id'
+
+    receiving_id = fields.Many2one(
+        'fp.receiving', string='Receiving', required=True, ondelete='cascade',
+    )
+    part_catalog_id = fields.Many2one(
+        'fp.part.catalog', string='Part (Catalog)',
+    )
+    part_number = fields.Char(string='Part Number')
+    description = fields.Char(string='Description')
+    expected_qty = fields.Integer(string='Expected Qty')
+    received_qty = fields.Integer(string='Received Qty')
+    condition = fields.Selection(
+        [('good', 'Good'), ('damaged', 'Damaged'), ('mixed', 'Mixed')],
+        string='Condition', default='good',
+    )
+    notes = fields.Text(string='Notes')