feat(fusion_accounting_bank_rec): transient model for widget round-trip data

Made-with: Cursor

fusion_accounting_bank_rec/__manifest__.py

@@ -1,6 +1,6 @@
 {
     'name': 'Fusion Accounting — Bank Reconciliation',
-    'version': '19.0.1.0.2',
+    'version': '19.0.1.0.3',
     'category': 'Accounting/Accounting',
     'sequence': 28,
     'summary': 'Native V19 bank reconciliation widget with AI confidence scoring + behavioural learning.',

fusion_accounting_bank_rec/models/__init__.py

@@ -1,3 +1,4 @@
 from . import fusion_reconcile_pattern
 from . import fusion_reconcile_precedent
 from . import fusion_reconcile_suggestion
+from . import fusion_bank_rec_widget

fusion_accounting_bank_rec/models/fusion_bank_rec_widget.py

@@ -0,0 +1,33 @@
+"""Per-request widget state. Holds the kanban-load response shape so the
+controller can return one well-typed object.
+
+This is a TransientModel (no DB persistence beyond the request). The OWL
+widget reads pre-computed fusion.reconcile.suggestion rows directly via
+the controller; this model is just a typed envelope for the kanban-open
+action."""
+
+from odoo import api, fields, models
+
+
+class FusionBankRecWidget(models.TransientModel):
+    _name = "fusion.bank.rec.widget"
+    _description = "Bank reconciliation widget state (transient)"
+
+    journal_id = fields.Many2one('account.journal',
+                                   domain="[('type', '=', 'bank')]")
+    statement_line_ids = fields.Many2many('account.bank.statement.line')
+    summary_count = fields.Integer(
+        help="Number of unreconciled lines visible in this widget")
+    summary_unreconciled_balance = fields.Monetary(currency_field='currency_id')
+    currency_id = fields.Many2one('res.currency',
+                                    related='journal_id.currency_id',
+                                    store=False, readonly=True)
+
+    def action_open_kanban(self):
+        """Return a window action opening the OWL kanban for this journal."""
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.client',
+            'tag': 'fusion_bank_rec_kanban',
+            'params': {'journal_id': self.journal_id.id},
+        }

fusion_accounting_bank_rec/security/ir.model.access.csv

@@ -5,3 +5,4 @@ access_fusion_reconcile_precedent_user,precedent user,model_fusion_reconcile_pre
 access_fusion_reconcile_precedent_admin,precedent admin,model_fusion_reconcile_precedent,fusion_accounting_core.group_fusion_accounting_admin,1,1,1,1
 access_fusion_reconcile_suggestion_user,suggestion user,model_fusion_reconcile_suggestion,fusion_accounting_core.group_fusion_accounting_user,1,0,0,0
 access_fusion_reconcile_suggestion_admin,suggestion admin,model_fusion_reconcile_suggestion,fusion_accounting_core.group_fusion_accounting_admin,1,1,1,1
+access_fusion_bank_rec_widget_user,bank rec widget user,model_fusion_bank_rec_widget,fusion_accounting_core.group_fusion_accounting_user,1,1,1,1