feat: improve attendance parsing logic and fix payment date formatting

scripts/attendance.py

@@ -58,14 +58,31 @@ def calculate_fee(attendance_count: int) -> int:
 
 
 def get_members(rows: list[list[str]]) -> list[tuple[str, str, list[str]]]:
-    """Parse member rows. Returns list of (name, tier, row)."""
+    """Parse member rows. Returns list of (name, tier, row).
+    
+    Stopped at row where first column contains '# last line'.
+    Skips rows starting with '#'.
+    """
     members = []
     for row in rows[1:]:
-        name = row[COL_NAME].strip() if len(row) > COL_NAME else ""
-        if not name or name.lower() in ("jméno", "name", "jmeno"):
+        if not row or len(row) <= COL_NAME:
             continue
+            
+        first_col = row[COL_NAME].strip()
+        
+        # Terminator for rows to process
+        if "# last line" in first_col.lower():
+            break
+            
+        # Ignore comments
+        if first_col.startswith("#"):
+            continue
+            
+        if not first_col or first_col.lower() in ("jméno", "name", "jmeno"):
+            continue
+            
         tier = row[COL_TIER].strip().upper() if len(row) > COL_TIER else ""
-        members.append((name, tier, row))
+        members.append((first_col, tier, row))
     return members