docs(review): split into ReviewMap and DemoMap, with one status table

The review file now separates the two questions it was mixing:

  ReviewMap - assets staged on their own: individual objects, the Blender import, camera angles
  and the lighting comparison. Nothing from the game map is involved.
  DemoMap   - the actual game map in development: street, buildings, player, vehicle in place.

One status table at the top covers both parts, with a Part column, and remains the only place
approval and issue notes are recorded. Between them sits the Blender-vs-UE comparison, which now
pairs ReviewMap captures as well as DemoMap ones, followed by the ReviewMap image grid and the
existing in-game shot sections.

Tools/ue_build_review_map.py also stages the LATEST vehicle assets (five systems plus the hatch
paint) and two new cameras - a three-quarter view of the car and a ground-level look at the
character's feet - so the staging map never drifts from what the Blender tools last produced.
Tools/render_screenshots.sh gained a second capture pass that renders ReviewMap into
Screenshots/review/, after the demo collection because that pass clears the engine's screenshot
folder.

Tools/render_screenshots.sh

@@ -69,6 +69,33 @@ done
 [ "$found" = "1" ] || { echo "ERROR: no demo screenshots found"; exit 1; }
 ls -1 "$REPO/Screenshots/demo"
 
+echo "== 6b/7 capture the review map (asset staging) =="
+# The ReviewMap stages the models on their own - imported assets, camera angles and the
+# lighting comparison - which is a different question from "does the game map look right".
+# Its shots collect into Screenshots/review/ so the two reviews stay separate.
+rm -rf "$REPO"/Game/GigLine/Saved/Screenshots/* 2>/dev/null || true
+mkdir -p "$REPO/Game/GigLine/Saved/Screenshots/LinuxEditor"
+"$ENGINE/Engine/Binaries/Linux/UnrealEditor-Cmd" "$PROJ" /Game/Test/ReviewMap \
+  -game -windowed -ResX=1920 -ResY=1080 -nopause -nosplash -stdout
+
+echo "== 6c/7 collect the review-map screenshots =="
+mkdir -p "$REPO/Screenshots/review"
+rm -f "$REPO"/Screenshots/review/review-*.png
+found_review=0
+for src in \
+  "$REPO/Game/GigLine/Saved/Screenshots"/*/review-*.png \
+  "$REPO/Game/GigLine/Saved/Screenshots"/*/*/review-*.png \
+  "$HOME/.config/Epic/GigLine/Saved/Screenshots"/*/review-*.png; do
+  [ -e "$src" ] || continue
+  case "$(basename "$src")" in
+    *demo-*) : ;;
+    *) cp -f "$src" "$REPO/Screenshots/review/"; found_review=1 ;;
+  esac
+done
+[ "$found_review" = "1" ] || echo "WARN: no review-map screenshots found"
+ls -1 "$REPO/Screenshots/review" 2>/dev/null | head -20
+
+
 # The scene audit is a gate: a wrong-material or misplaced actor is exactly the
 # kind of failure that still renders plausibly.
 if grep -q "failure(s) ==" /tmp/gigline/scene-audit.txt 2>/dev/null; then