feat: Show attendance breakdown for single-visit junior fees

When a junior attended only once in a month (fee = "?"), the dashboard
cells now display the attendance details (e.g., "? (1:1J)") instead of
a bare "?". Applied to both /juniors and /reconcile-juniors routes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app.py

@@ -582,7 +582,7 @@ def juniors_view():
             if expected == "?" or (isinstance(expected, int) and expected > 0):
                 if expected == "?":
                     status = "empty"
-                    cell_text = "?"
+                    cell_text = f"?{count_str}"
                 elif paid >= expected:
                     status = "ok"
                     cell_text = f"{paid}/{fee_display}"
@@ -705,6 +705,8 @@ def reconcile_juniors_view():
     # Filter to juniors for the main table
     junior_names = sorted([name for name, tier, _ in adapted_members])
     
+    junior_members_dict_rc = {name: fees_dict for name, _, fees_dict in junior_members}
+
     formatted_results = []
     for name in junior_names:
         data = result["members"][name]
@@ -714,15 +716,32 @@ def reconcile_juniors_view():
             mdata = data["months"].get(m, {"expected": 0, "original_expected": 0, "paid": 0})
             expected = mdata["expected"]
             paid = int(mdata["paid"])
-            
+
+            orig_fee_data = junior_members_dict_rc.get(name, {}).get(m)
+            adult_count = 0
+            junior_count = 0
+            att_count = 0
+            if orig_fee_data and len(orig_fee_data) == 4:
+                _, att_count, adult_count, junior_count = orig_fee_data
+
+            breakdown = ""
+            if adult_count > 0 and junior_count > 0:
+                breakdown = f":{junior_count}J,{adult_count}A"
+            elif junior_count > 0:
+                breakdown = f":{junior_count}J"
+            elif adult_count > 0:
+                breakdown = f":{adult_count}A"
+
+            count_str = f" ({att_count}{breakdown})" if att_count > 0 else ""
+
             status = "empty"
             cell_text = "-"
             amount_to_pay = 0
-            
+
             if expected == "?" or (isinstance(expected, int) and expected > 0):
                 if expected == "?":
                     status = "empty"
-                    cell_text = "?"
+                    cell_text = f"?{count_str}"
                 elif paid >= expected:
                     status = "ok"
                     cell_text = "OK"