Tighten dense landscape inset

scripts/generate_readme_previews.py

@@ -78,7 +78,7 @@ def _parse_args() -> argparse.Namespace:
         "--dense-focus-cell-bbox",
         nargs=4,
         type=int,
-        default=(160, 200, 280, 320),
+        default=(44, 396, 124, 476),
         metavar=("X0", "Y0", "X1", "Y1"),
         help="Focus crop bounds in output-grid cell coordinates for the dense landscape row.",
     )

tests/fixtures/real/dense-landscape-focus.json

@@ -6,5 +6,5 @@
   "auto_inferred_height": 251,
   "target_width": 512,
   "target_height": 512,
-  "cell_bbox": [160, 200, 280, 320]
+  "cell_bbox": [44, 396, 124, 476]
 }

tests/fixtures/real/dense-landscape.json

@@ -13,7 +13,7 @@
     "phase_x": 0.0,
     "phase_y": -0.2
   },
-  "preview_focus_cell_bbox": [160, 200, 280, 320],
+  "preview_focus_cell_bbox": [44, 396, 124, 476],
   "notes": [
     "Use this when testing dense higher-resolution pixel art that already has a coherent lattice but still fools the current size inference search.",
     "The tracked phase-field output was produced from a fixed 512x512 lattice and is kept around so README preview generation does not depend on rerunning that exact pass.",