feat: add member details popup with attendance and fee exceptions

tests/test_reconcile_exceptions.py

@@ -0,0 +1,56 @@
+import unittest
+from scripts.match_payments import reconcile
+
+class TestReconcileWithExceptions(unittest.TestCase):
+    def test_reconcile_applies_exceptions(self):
+        # 1. Setup mock data
+        # Member: Alice, Tier A, expected 750 (attendance-based)
+        members = [
+            ('Alice', 'A', {'2026-01': (750, 4)})
+        ]
+        sorted_months = ['2026-01']
+        
+        # Exception: Alice should only pay 400 in 2026-01 (normalized keys, no accents)
+        exceptions = {
+            ('alice', '2026-01'): {'amount': 400, 'note': 'Test exception'}
+        }
+        
+        # Transaction: Alice paid 400
+        transactions = [{
+            'date': '2026-01-05',
+            'amount': 400,
+            'person': 'Alice',
+            'purpose': '2026-01',
+            'inferred_amount': 400,
+            'sender': 'Alice Sender',
+            'message': 'fee'
+        }]
+        
+        # 2. Reconcile
+        result = reconcile(members, sorted_months, transactions, exceptions)
+        
+        # 3. Assertions
+        alice_data = result['members']['Alice']
+        jan_data = alice_data['months']['2026-01']
+        
+        self.assertEqual(jan_data['expected'], 400, "Expected amount should be overridden by exception")
+        self.assertEqual(jan_data['paid'], 400, "Paid amount should be 400")
+        self.assertEqual(alice_data['total_balance'], 0, "Balance should be 0 because 400/400")
+        
+    def test_reconcile_fallback_to_attendance(self):
+        # Alice has attendance-based fee 750, NO exception
+        members = [
+            ('Alice', 'A', {'2026-01': (750, 4)})
+        ]
+        sorted_months = ['2026-01']
+        exceptions = {} # No exceptions
+        
+        transactions = []
+        
+        result = reconcile(members, sorted_months, transactions, exceptions)
+        
+        alice_data = result['members']['Alice']
+        self.assertEqual(alice_data['months']['2026-01']['expected'], 750, "Should fallback to attendance fee")
+
+if __name__ == '__main__':
+    unittest.main()