feat(fusion_accounting_bank_rec): persisted AI suggestion model with state lifecycle

Made-with: Cursor

fusion_accounting_bank_rec/tests/__init__.py

@@ -1,3 +1,4 @@
 from . import test_memo_tokenizer
 from . import test_exchange_diff
 from . import test_matching_strategies
+from . import test_ai_suggestion_lifecycle

fusion_accounting_bank_rec/tests/test_ai_suggestion_lifecycle.py

@@ -0,0 +1,86 @@
+from odoo.tests.common import TransactionCase, tagged
+
+
+@tagged('post_install', '-at_install')
+class TestSuggestionLifecycle(TransactionCase):
+    """The fusion.reconcile.suggestion state machine + computed band."""
+
+    def setUp(self):
+        super().setUp()
+        journal = self.env['account.journal'].create({
+            'name': 'Test Bank Suggestion',
+            'type': 'bank',
+            'code': 'TBSG',
+        })
+        statement = self.env['account.bank.statement'].create({
+            'name': 'Test Statement',
+            'journal_id': journal.id,
+        })
+        self.line = self.env['account.bank.statement.line'].create({
+            'statement_id': statement.id,
+            'journal_id': journal.id,
+            'date': '2026-04-19',
+            'payment_ref': 'Test for suggestion',
+            'amount': 100.00,
+        })
+
+    def _make_suggestion(self, confidence=0.92, **vals):
+        defaults = {
+            'company_id': self.env.company.id,
+            'statement_line_id': self.line.id,
+            'confidence': confidence,
+            'rank': 1,
+            'reasoning': 'Test',
+        }
+        defaults.update(vals)
+        return self.env['fusion.reconcile.suggestion'].create(defaults)
+
+    def test_compute_band_high(self):
+        sug = self._make_suggestion(confidence=0.96)
+        self.assertEqual(sug.confidence_band, 'high')
+
+    def test_compute_band_medium(self):
+        sug = self._make_suggestion(confidence=0.75)
+        self.assertEqual(sug.confidence_band, 'medium')
+
+    def test_compute_band_low(self):
+        sug = self._make_suggestion(confidence=0.55)
+        self.assertEqual(sug.confidence_band, 'low')
+
+    def test_compute_band_none(self):
+        sug = self._make_suggestion(confidence=0.30)
+        self.assertEqual(sug.confidence_band, 'none')
+
+    def test_default_state_is_pending(self):
+        sug = self._make_suggestion()
+        self.assertEqual(sug.state, 'pending')
+
+    def test_state_transition_to_accepted(self):
+        sug = self._make_suggestion()
+        sug.write({
+            'state': 'accepted',
+            'accepted_at': '2026-04-19 12:00:00',
+            'accepted_by': self.env.user.id,
+        })
+        self.assertEqual(sug.state, 'accepted')
+        self.assertTrue(sug.accepted_at)
+        self.assertEqual(sug.accepted_by, self.env.user)
+
+    def test_state_transition_to_rejected_with_reason(self):
+        sug = self._make_suggestion()
+        sug.write({
+            'state': 'rejected',
+            'rejected_at': '2026-04-19 12:05:00',
+            'rejected_reason': 'wrong_invoice',
+        })
+        self.assertEqual(sug.state, 'rejected')
+        self.assertEqual(sug.rejected_reason, 'wrong_invoice')
+
+    def test_state_transition_to_superseded(self):
+        sug = self._make_suggestion()
+        sug.write({'state': 'superseded'})
+        self.assertEqual(sug.state, 'superseded')
+
+    def test_currency_id_relates_to_line(self):
+        sug = self._make_suggestion()
+        self.assertEqual(sug.currency_id, self.line.currency_id)