fix: Zeilen-Regularisierung im Overlay ueberspringen (generisch fuer gemischte Inhalte)

Seiten mit Info-Boxen (andere Zeilenhoehe) fuehren dazu, dass _regularize_row_grid
die Zeilenpositionen verzerrt. Neuer skip_regularize Parameter nutzt stattdessen
die gap-basierten Zeilen, die der tatsaechlichen Seitengeometrie folgen.

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

klausur-service/backend/cv_layout.py

@@ -1525,6 +1525,7 @@ def detect_row_geometry(
     word_dicts: List[Dict],
     left_x: int, right_x: int,
     top_y: int, bottom_y: int,
+    skip_regularize: bool = False,
 ) -> List['RowGeometry']:
     """Detect row geometry using horizontal whitespace-gap analysis.
 
@@ -1789,8 +1790,13 @@ def detect_row_geometry(
     # and evenly-spaced rows than the gap-based approach alone.
     # Also detects section breaks (headings, paragraphs) where the pitch
     # exceeds 1.8× the median, and handles each section independently.
-    rows = _regularize_row_grid(rows, word_dicts, left_x, right_x, top_y,
-                                content_w, content_h, inv)
+    #
+    # skip_regularize=True: Keep gap-based rows as-is. Useful for full-page
+    # overlay rendering where mixed content (info boxes, different line
+    # spacings) must preserve original geometry faithfully.
+    if not skip_regularize:
+        rows = _regularize_row_grid(rows, word_dicts, left_x, right_x, top_y,
+                                    content_w, content_h, inv)
 
     type_counts = {}
     for r in rows: