feat: add n18n

frontend/package-lock.json

@@ -19,10 +19,13 @@
         "clsx": "^2.1.1",
         "cmdk": "^1.1.1",
         "dagre": "^0.8.5",
+        "i18next": "^25.9.0",
+        "i18next-browser-languagedetector": "^8.2.1",
         "lucide-react": "^0.577.0",
         "react": "^19.2.4",
         "react-dom": "^19.2.4",
         "react-grid-layout": "^2.2.2",
+        "react-i18next": "^16.5.8",
         "react-markdown": "^10.1.0",
         "react-router-dom": "^7.13.1",
         "react-syntax-highlighter": "^16.1.1",
@@ -6169,6 +6172,15 @@
         "node": ">=16.9.0"
       }
     },
+    "node_modules/html-parse-stringify": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmmirror.com/html-parse-stringify/-/html-parse-stringify-3.0.1.tgz",
+      "integrity": "sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==",
+      "license": "MIT",
+      "dependencies": {
+        "void-elements": "3.1.0"
+      }
+    },
     "node_modules/html-url-attributes": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/html-url-attributes/-/html-url-attributes-3.0.1.tgz",
@@ -6231,6 +6243,46 @@
         "node": ">=18.18.0"
       }
     },
+    "node_modules/i18next": {
+      "version": "25.9.0",
+      "resolved": "https://registry.npmmirror.com/i18next/-/i18next-25.9.0.tgz",
+      "integrity": "sha512-mJ4rVRNWOTkqh5xnaGR6iMFT5vEw3Y2MTJhcjinR/7u8cRv6dAfC0ofuePh5fVPxoh395p6JdrJTStCcNW66gg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://locize.com"
+        },
+        {
+          "type": "individual",
+          "url": "https://locize.com/i18next.html"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.i18next.com/how-to/faq#i18next-is-awesome.-how-can-i-support-the-project"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.28.6"
+      },
+      "peerDependencies": {
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/i18next-browser-languagedetector": {
+      "version": "8.2.1",
+      "resolved": "https://registry.npmmirror.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.2.1.tgz",
+      "integrity": "sha512-bZg8+4bdmaOiApD7N7BPT9W8MLZG+nPTOFlLiJiT8uzKXFjhxw4v2ierCXOwB5sFDMtuA5G4kgYZ0AznZxQ/cw==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.23.2"
+      }
+    },
     "node_modules/iconv-lite": {
       "version": "0.7.2",
       "resolved": "https://registry.npmmirror.com/iconv-lite/-/iconv-lite-0.7.2.tgz",
@@ -8932,6 +8984,33 @@
         "react-dom": ">= 16.3.0"
       }
     },
+    "node_modules/react-i18next": {
+      "version": "16.5.8",
+      "resolved": "https://registry.npmmirror.com/react-i18next/-/react-i18next-16.5.8.tgz",
+      "integrity": "sha512-2ABeHHlakxVY+LSirD+OiERxFL6+zip0PaHo979bgwzeHg27Sqc82xxXWIrSFmfWX0ZkrvXMHwhsi/NGUf5VQg==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.28.4",
+        "html-parse-stringify": "^3.0.1",
+        "use-sync-external-store": "^1.6.0"
+      },
+      "peerDependencies": {
+        "i18next": ">= 25.6.2",
+        "react": ">= 16.8.0",
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        },
+        "react-native": {
+          "optional": true
+        },
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/react-is": {
       "version": "19.2.4",
       "resolved": "https://registry.npmmirror.com/react-is/-/react-is-19.2.4.tgz",
@@ -11192,6 +11271,15 @@
         }
       }
     },
+    "node_modules/void-elements": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmmirror.com/void-elements/-/void-elements-3.1.0.tgz",
+      "integrity": "sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/web-namespaces": {
       "version": "2.0.1",
       "resolved": "https://registry.npmmirror.com/web-namespaces/-/web-namespaces-2.0.1.tgz",