Update app.py

app.py

@@ -124,6 +124,8 @@ Primary goals for reconcile rate:
             keep the table with richer description text so output matches the PDF once. (b) Common OCR
             typos (e.g. CINTHIAL→CINTHIA L) and double-escaped ampersands (&→&).
             Gap between tables must not contain another <table> or page-separator.
+- Fix MD-2: Skip blank-header column merge for YOUR CHECKS SEQUENCED–style tables (title + repeated
+            Amount columns + blank th between triplets); merge was collapsing multi-column check rows.
 """
 
 # Patch asyncio first (before Gradio imports it) to suppress Python 3.13 cleanup noise
@@ -524,11 +526,33 @@ def _drop_truly_empty_columns(grid):
         new_grid.append([cell for idx, cell in enumerate(row) if idx < len(keep) and keep[idx]])
     return new_grid
 
+
+def _is_multigroup_check_list_header(header: List[str]) -> bool:
+    """
+    Wide check listings (e.g. YOUR CHECKS SEQUENCED) use one row with a title cell, repeated
+    Amount headers, and blank <th> slots between DATE | CHECK # | AMOUNT triplets. Fix 3
+    blank-header merge would otherwise fuse the next column into Amount or the section title,
+    leaving only the first date column visibly populated.
+    """
+    if not header:
+        return False
+    joined = " ".join(str(c or "").strip() for c in header).upper()
+    if "SEQUENCED" in joined and "CHECK" in joined:
+        return True
+    # Repeated Amount columns in one header row = multi-group layout; do not merge blanks.
+    if sum(1 for c in header if str(c or "").strip().upper() == "AMOUNT") >= 2:
+        return True
+    return False
+
+
 def _merge_blank_header_text_columns(grid):
     if not grid or len(grid) < 2:
         return grid
 
     header = [str(c or "").strip() for c in grid[0]]
+    if _is_multigroup_check_list_header(header):
+        return grid
+
     ncols = len(header)
     body = grid[1:]
     blank_cols = [i for i, h in enumerate(header) if h == ""]