fix(@projects/magic-civilization): 🐛 handle flatpak sandboxed env vars

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

tools/screenshot.sh

@@ -21,9 +21,18 @@ cd "$PROJECT_DIR"
 echo "=== Magic Civilization Screenshot ==="
 echo "Name: $NAME | Scene: $SCENE | Delay: ${DELAY}s"
 
-WAYLAND_DISPLAY="${WAYLAND_DISPLAY:-wayland-0}" \
-XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}" \
+# flatpak sandboxes env by default — outer WAYLAND_DISPLAY/XDG_RUNTIME_DIR
+# are NOT visible inside the sandbox without explicit propagation. Mirror
+# the pattern in tools/autoplay-batch.sh weston mode.
+WAYLAND_SOCKET="${WAYLAND_DISPLAY:-wayland-0}"
+XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
+
+XDG_RUNTIME_DIR="$XDG_RUNTIME_DIR" \
 timeout 60 flatpak run --user \
+    --socket=wayland \
+    --filesystem=xdg-run/${WAYLAND_SOCKET} \
+    --unset-env=DISPLAY \
+    --env=WAYLAND_DISPLAY="$WAYLAND_SOCKET" \
     --env=SCREENSHOT_DELAY="$DELAY" \
     --env=SCREENSHOT_NAME="$NAME" \
     --env=SCREENSHOT_SCENE="$SCENE" \
@@ -32,6 +41,8 @@ timeout 60 flatpak run --user \
     --env=FORCE_DISABLE_FOGOFWAR="true" \
     org.godotengine.Godot \
     --path "$PROJECT_DIR/src/game" \
+    --display-driver wayland \
+    --rendering-driver opengl3 \
     --rendering-method gl_compatibility \
     --fixed-fps 10 2>&1 | tee /tmp/godot_screenshot_log.txt || true