docs(todo): overhaul magazine region boxes and OCR approval handling

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

TODO.md

@@ -69,6 +69,18 @@ not part of this order.
   read, or type a number into each one. The order drives playback and the OCR-results list.
   Today the order is whatever the layout analysis produced, and a page with two text columns
   comes out interleaved, so a listener hears half a sentence from the wrong column.
+- [ ] **L — Magazine: overhaul region boxes and how they are handled in OCR and approval.**
+  The boxes the layout analysis produces need a pass of their own, on top of the ordering work
+  above. Seen on real pages: a byline box that runs on into the first body line ("Von Hartmut
+  Gieselmann Ein guter Butler kennt die Vorlieben seines"), so author and paragraph both come
+  out wrong; boxes nested inside a figure and OCRed as separate headlines/captions ("Apple
+  Intelligence" on the slide in the photo); sliver boxes holding OCR noise ("mtavt;-:,!«");
+  overlapping boxes that fight over the same lines; and running heads/footers picked up as
+  regions every time. Wanted: snap boxes to the real text block, split or merge where a box
+  crosses a paragraph or column edge, drop or fold in regions inside a figure, discard
+  degenerate slivers, and make the approval screen quick to correct — keyboard moves between
+  regions, merge/split in place, and a retype/re-OCR of one region without leaving the page.
+
 - [ ] **M — Magazine: read text columns top-to-bottom, then left-to-right.** Group detected text
   regions into columns first, order each column downwards, then take the columns left to right
   (mirroring for RTL). Confirmed wrong on page 38 of issue 204: the left column's paragraphs and