Expand handpainted maps to battles four and five

docs/battle-map-terrain-atlas-pipeline.md

@@ -2,7 +2,7 @@
 
 ## Scope
 
-The first three campaign battles now use the same hand-painted tactical map pipeline. The renderer still reads the original scenario tile coordinates and battle logic; only the map texture asset changes from flat/vector map art to low-contrast raster terrain.
+The first five campaign battles now use the same hand-painted tactical map pipeline. The renderer still reads the original scenario tile coordinates and battle logic; only the map texture asset changes from flat/vector map art to low-contrast raster terrain.
 
 ## Art Direction
 
@@ -20,6 +20,8 @@ Example:
 ```powershell
 python scripts/generate-handpaint-map-sample.py --map second --webp-quality 90
 python scripts/generate-handpaint-map-sample.py --map third --webp-quality 90
+python scripts/generate-handpaint-map-sample.py --map fourth --webp-quality 90
+python scripts/generate-handpaint-map-sample.py --map fifth --webp-quality 90
 ```
 
 ## Current Assets
@@ -27,6 +29,8 @@ python scripts/generate-handpaint-map-sample.py --map third --webp-quality 90
 - `src/assets/images/battle/first-battle-map.webp`
 - `src/assets/images/battle/second-battle-map.webp`
 - `src/assets/images/battle/third-battle-map.webp`
+- `src/assets/images/battle/fourth-battle-map.webp`
+- `src/assets/images/battle/fifth-battle-map.webp`
 
 ## QA Outputs
 
@@ -34,5 +38,9 @@ python scripts/generate-handpaint-map-sample.py --map third --webp-quality 90
 - `docs/second-battle-map-handpaint-preview.png`
 - `docs/third-battle-map-handpaint-before-after.png`
 - `docs/third-battle-map-handpaint-preview.png`
+- `docs/fourth-battle-map-handpaint-before-after.png`
+- `docs/fourth-battle-map-handpaint-preview.png`
+- `docs/fifth-battle-map-handpaint-before-after.png`
+- `docs/fifth-battle-map-handpaint-preview.png`
 
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