Initial commit with translated description

scripts/screenshot.sh

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+#!/bin/bash
+# screenshot.sh - Capture screen and return base64 PNG
+# Resolution: 1024x768 (XGA)
+
+export DISPLAY=:99
+OUTPUT_DIR="/tmp/computer-use"
+mkdir -p "$OUTPUT_DIR"
+
+TIMESTAMP=$(date +%s%N)
+FILE="$OUTPUT_DIR/screenshot_$TIMESTAMP.png"
+
+# Take screenshot
+scrot -o "$FILE" 2>/dev/null
+
+if [ ! -f "$FILE" ]; then
+    echo "ERROR: Failed to take screenshot" >&2
+    exit 1
+fi
+
+# Output base64
+base64 -w0 "$FILE"
+
+# Cleanup
+rm -f "$FILE"