add text notes

frontend/package-lock.json

@@ -8,6 +8,7 @@
       "dependencies": {
         "@xyflow/react": "^12.0.0",
         "html-to-image": "^1.11.13",
+        "marked": "^17.0.5",
         "react": "^18.3.0",
         "react-dom": "^18.3.0",
         "three": "^0.183.2"
@@ -2116,6 +2117,18 @@
         "node": ">=10"
       }
     },
+    "node_modules/marked": {
+      "version": "17.0.5",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-17.0.5.tgz",
+      "integrity": "sha512-6hLvc0/JEbRjRgzI6wnT2P1XuM1/RrrDEX0kPt0N7jGm1133g6X7DlxFasUIx+72aKAr904GTxhSLDrd5DIlZg==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 20"
+      }
+    },
     "node_modules/minimatch": {
       "version": "10.2.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-10.2.4.tgz",