[IMP] stock_picking_batch_collect: collected checks on transfers, ordered quantity, delivery slips report

- The collected checks also apply to transfers outside a batch, opt-in per
  operation type ("Require Collected Lines"), with the batch restrictions of
  the settings. A per-product toggle in the transfer's Operations tab collects
  all its lines.
- Read-only ordered quantity from the sale line on every batch and transfer
  view, since the weighed demand overwrites it. Adds a dependency on
  sale_stock; a migration fills it in the summary of open batches.
- "Delivery Slips" report on the batch: all its delivery slips in one PDF.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

stock_picking_batch_collect/report/__init__.py

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+from . import report_batch_deliveryslip  # noqa: F401

stock_picking_batch_collect/report/report_batch_deliveryslip.py

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+# Copyright 2026 Criptomart
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api
+from odoo import models
+
+
+class ReportBatchDeliverySlip(models.AbstractModel):
+    _name = "report.stock_picking_batch_collect.report_batch_deliveryslip"
+    _description = "Batch Delivery Slips"
+
+    @api.model
+    def _get_report_values(self, docids, data=None):
+        batches = self.env["stock.picking.batch"].browse(docids)
+        pickings = self.env["stock.picking"]
+        for batch in batches:
+            pickings |= batch.picking_ids.filtered(
+                lambda picking: picking.state != "cancel"
+            ).sorted(lambda picking: (picking.partner_id.name or "", picking.name))
+        return {
+            "doc_ids": docids,
+            "doc_model": "stock.picking.batch",
+            "docs": batches,
+            "pickings": pickings,
+        }

stock_picking_batch_collect/report/report_batch_deliveryslip.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="action_report_batch_deliveryslip" model="ir.actions.report">
+        <field name="name">Delivery Slips</field>
+        <field name="model">stock.picking.batch</field>
+        <field name="report_type">qweb-pdf</field>
+        <field name="report_name">stock_picking_batch_collect.report_batch_deliveryslip</field>
+        <field name="report_file">stock_picking_batch_collect.report_batch_deliveryslip</field>
+        <field name="print_report_name">'Delivery Slips - %s' % object.name</field>
+        <field name="binding_model_id" ref="stock_picking_batch.model_stock_picking_batch"/>
+        <field name="binding_type">report</field>
+    </record>
+
+    <template id="report_batch_deliveryslip">
+        <t t-foreach="pickings" t-as="o">
+            <t t-call="stock.report_delivery_document" t-lang="o._get_report_lang()"/>
+        </t>
+    </template>
+</odoo>