feat(fusion_accounting_reports): fusion.report.anomaly persisted model

Made-with: Cursor

fusion_accounting_reports/models/__init__.py

@@ -1,3 +1,4 @@
 from . import fusion_report
 from . import fusion_report_engine
 from . import fusion_report_commentary
+from . import fusion_report_anomaly

fusion_accounting_reports/models/fusion_report_anomaly.py

@@ -0,0 +1,56 @@
+"""Persisted anomaly flags from the engine's variance detection.
+
+Each row captures one flagged report row variance. Used by the OWL
+anomaly_strip + the audit trail."""
+
+from odoo import _, api, fields, models
+
+
+SEVERITY = [('low', 'Low'), ('medium', 'Medium'), ('high', 'High')]
+DIRECTION = [('increase', 'Increase'), ('decrease', 'Decrease')]
+
+
+class FusionReportAnomaly(models.Model):
+    _name = "fusion.report.anomaly"
+    _description = "Flagged Report Variance"
+    _order = "detected_at desc, severity desc"
+
+    report_id = fields.Many2one('fusion.report', required=True, ondelete='cascade')
+    company_id = fields.Many2one('res.company', required=True,
+                                 default=lambda self: self.env.company)
+    period_from = fields.Date(required=True)
+    period_to = fields.Date(required=True)
+
+    row_id = fields.Char(required=True, help="Engine-generated row id (e.g. 'line_3').")
+    label = fields.Char(required=True)
+    current_amount = fields.Float()
+    comparison_amount = fields.Float()
+    variance_amount = fields.Float()
+    variance_pct = fields.Float()
+    severity = fields.Selection(SEVERITY, required=True)
+    direction = fields.Selection(DIRECTION, required=True)
+
+    detected_at = fields.Datetime(default=fields.Datetime.now, required=True)
+    state = fields.Selection([
+        ('new', 'New'),
+        ('acknowledged', 'Acknowledged'),
+        ('investigating', 'Investigating'),
+        ('resolved', 'Resolved'),
+        ('dismissed', 'Dismissed'),
+    ], default='new', required=True)
+    notes = fields.Text()
+    acknowledged_by = fields.Many2one('res.users')
+    acknowledged_at = fields.Datetime()
+
+    def action_acknowledge(self):
+        self.write({
+            'state': 'acknowledged',
+            'acknowledged_by': self.env.uid,
+            'acknowledged_at': fields.Datetime.now(),
+        })
+
+    def action_dismiss(self):
+        self.write({'state': 'dismissed'})
+
+    def action_resolve(self):
+        self.write({'state': 'resolved'})