Add 8 new tools: Hash Verifier, URL Tool, String Utils, Cron Explainer, IP Calc, Lorem Ipsum, CSV Viewer, Notes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/tools/urltool.py

@@ -0,0 +1,36 @@
+from flask import Blueprint, request, jsonify
+from urllib.parse import quote, unquote
+from util.logger import logger
+from auth.token import verify_token
+
+url_blueprint = Blueprint('url_tool', __name__)
+
+
+@url_blueprint.route('/api/url/encode', methods=['POST'])
+def url_encode():
+    user = verify_token()
+    if not user:
+        return jsonify({"message": "Nicht autorisiert"}), 401
+    try:
+        data = request.get_json() or {}
+        text = data.get("text", "")
+        result = quote(text, safe='')
+        return jsonify({"result": result})
+    except Exception as e:
+        logger.error(f"Fehler URL encode: {e}")
+        return jsonify({"message": "Fehler beim Encoding"}), 500
+
+
+@url_blueprint.route('/api/url/decode', methods=['POST'])
+def url_decode():
+    user = verify_token()
+    if not user:
+        return jsonify({"message": "Nicht autorisiert"}), 401
+    try:
+        data = request.get_json() or {}
+        text = data.get("text", "")
+        result = unquote(text)
+        return jsonify({"result": result})
+    except Exception as e:
+        logger.error(f"Fehler URL decode: {e}")
+        return jsonify({"message": "Fehler beim Decoding"}), 500