update fix daily data not showing because end date is null

app.py

@@ -896,7 +896,9 @@ def ensure_active_cycle(conn):
     conn.execute('UPDATE cycle_settings SET is_active = 1 WHERE id = ?', (latest_id,))
 
 def parse_cycle_date(date_text, field_name):
-    date_text = date_text.strip()
+    if not date_text:
+        return None
+    date_text = str(date_text).strip()
     if not date_text:
         return None
 
@@ -946,7 +948,7 @@ def get_masuk_calendar_dates_for_lookup(date_text, counter_settings):
     return {stored_date}
 
 def filter_data_by_cycle(data, cycle_start, cycle_end):
-    if not cycle_start or not cycle_end:
+    if not cycle_start:
         return []
 
     filtered_data = []
@@ -956,7 +958,7 @@ def filter_data_by_cycle(data, cycle_start, cycle_end):
             continue
         if item_date < cycle_start:
             continue
-        if item_date > cycle_end:
+        if cycle_end and item_date > cycle_end:
             continue
 
         filtered_data.append(item)
@@ -1120,11 +1122,14 @@ def is_api_request():
     return request.path.startswith('/api/')
 
 def is_date_in_active_cycle(target_date, cycle_start, cycle_end):
-    if not cycle_start or not cycle_end:
+    if not target_date or not cycle_start:
         return False
 
+    if cycle_end:
         return cycle_start <= target_date <= cycle_end
 
+    return target_date >= cycle_start
+
 def filter_data_by_date(data, target_date):
     filtered_data = []
     for item in data: