Render screenshot pixels crisply in the result window

The result image was upscaled with interpolated smoothing, making small
captures look low-res. Disable interpolation so pixels stay 1:1 sharp.

💘 Generated with Crush

Assisted-by: Crush:deepseek-v4-flash-0731

build-app.sh

@@ -108,9 +108,9 @@ cat > "$APP/Contents/Info.plist" <<'PLIST'
     <key>CFBundleIconFile</key>
     <string>Icon</string>
     <key>CFBundleShortVersionString</key>
-    <string>1.1.0</string>
+    <string>1.1.1</string>
     <key>CFBundleVersion</key>
-    <string>10</string>
+    <string>11</string>
     <key>LSUIElement</key>
     <true/>
     <key>NSHighResolutionCapable</key>