diff --git a/ccw/docs-site/package.json b/ccw/docs-site/package.json
index e6461189..2c4e6d13 100644
--- a/ccw/docs-site/package.json
+++ b/ccw/docs-site/package.json
@@ -30,7 +30,7 @@
     "@docusaurus/tsconfig": "^3.5.2",
     "@docusaurus/types": "^3.5.2",
     "@types/react": "^18.3.12",
-    "typescript": "~5.5.4"
+    "typescript": "^5.9.3"
   },
   "browserslist": {
     "production": [
diff --git a/ccw/frontend/package.json b/ccw/frontend/package.json
index ef15dc01..2d6aa781 100644
--- a/ccw/frontend/package.json
+++ b/ccw/frontend/package.json
@@ -54,11 +54,11 @@
     "sonner": "^2.0.7",
     "tailwind-merge": "^2.5.0",
     "web-vitals": "^5.1.0",
-    "zod": "^3.23.8",
+    "zod": "^4.1.13",
     "zustand": "^5.0.0"
   },
   "devDependencies": {
-    "@playwright/test": "^1.40.0",
+    "@playwright/test": "^1.57.0",
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.0.0",
@@ -75,7 +75,7 @@
     "tailwindcss": "^3.4.0",
     "tailwindcss-animate": "^1.0.7",
     "tsx": "^4.19.0",
-    "typescript": "^5.6.0",
+    "typescript": "^5.9.3",
     "vite": "^6.0.0",
     "vitest": "^2.0.0"
   }
diff --git a/ccw/package.json b/ccw/package.json
index f01676d8..5ceefe71 100644
--- a/ccw/package.json
+++ b/ccw/package.json
@@ -6,27 +6,21 @@
   "author": "CCW Team",
   "license": "MIT",
   "type": "module",
-  "workspaces": [
-    "frontend",
-    "docs-site"
-  ],
   "scripts": {
-    "dev": "npm run dev --workspace=frontend",
-    "dev:docs": "npm run start --workspace=docs-site",
+    "dev": "cd frontend && npm run dev",
+    "dev:docs": "cd docs-site && npm run start",
     "dev:all": "concurrently \"npm run dev\" \"npm run dev:docs\" --names \"FRONTEND,DOCS\" --prefix-colors \"blue,green\"",
-    "build": "npm run build --workspace=docs-site && npm run build --workspace=frontend",
-    "build:frontend": "npm run build --workspace=frontend",
-    "build:docs": "npm run build --workspace=docs-site",
-    "clean": "npm run clean --workspace=frontend && npm run clean --workspace=docs-site",
-    "clean:node_modules": "npm exec --workspaces -- rm -rf node_modules",
-    "lint": "npm run lint --workspace=frontend",
-    "lint:fix": "npm run lint:fix --workspace=frontend",
-    "test": "npm run test --workspace=frontend",
-    "test:coverage": "npm run test:coverage --workspace=frontend",
-    "test:e2e": "npm run test:e2e --workspace=frontend",
-    "validate": "npm run validate:i18n --workspace=frontend",
-    "serve": "npm run serve --workspace=docs-site",
-    "preview": "npm run preview --workspace=frontend"
+    "build": "cd docs-site && npm run build && cd ../frontend && npm run build",
+    "build:frontend": "cd frontend && npm run build",
+    "build:docs": "cd docs-site && npm run build",
+    "lint": "cd frontend && npm run lint",
+    "lint:fix": "cd frontend && npm run lint:fix",
+    "test": "cd frontend && npm run test",
+    "test:coverage": "cd frontend && npm run test:coverage",
+    "test:e2e": "cd frontend && npm run test:e2e",
+    "validate": "cd frontend && npm run validate:i18n",
+    "serve": "cd docs-site && npm run serve",
+    "preview": "cd frontend && npm run preview"
   },
   "devDependencies": {
     "concurrently": "^9.1.2"
diff --git a/package-lock.json b/package-lock.json
index a227a943..7253b7bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -45,7 +45,7 @@
         "typescript": "^5.9.3"
       },
       "engines": {
-        "node": ">=16.0.0"
+        "node": ">=18.0.0"
       }
     },
     "ccw/docs-site": {
@@ -67,26 +67,12 @@
         "@docusaurus/tsconfig": "^3.5.2",
         "@docusaurus/types": "^3.5.2",
         "@types/react": "^18.3.12",
-        "typescript": "~5.5.4"
+        "typescript": "^5.9.3"
       },
       "engines": {
         "node": ">=18.0"
       }
     },
-    "ccw/docs-site/node_modules/typescript": {
-      "version": "5.5.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
-      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "bin": {
-        "tsc": "bin/tsc",
-        "tsserver": "bin/tsserver"
-      },
-      "engines": {
-        "node": ">=14.17"
-      }
-    },
     "ccw/frontend": {
       "name": "ccw-frontend",
       "version": "0.1.0",
@@ -108,8 +94,10 @@
         "@radix-ui/react-tooltip": "^1.1.0",
         "@tanstack/react-query": "^5.60.0",
         "@xyflow/react": "^12.10.0",
+        "allotment": "^1.20.5",
         "class-variance-authority": "^0.7.0",
         "clsx": "^2.1.0",
+        "date-fns": "^4.1.0",
         "highlight.js": "^11.11.1",
         "lucide-react": "^0.460.0",
         "react": "^18.3.1",
@@ -124,11 +112,11 @@
         "sonner": "^2.0.7",
         "tailwind-merge": "^2.5.0",
         "web-vitals": "^5.1.0",
-        "zod": "^3.23.8",
+        "zod": "^4.1.13",
         "zustand": "^5.0.0"
       },
       "devDependencies": {
-        "@playwright/test": "^1.40.0",
+        "@playwright/test": "^1.57.0",
         "@testing-library/jest-dom": "^6.9.1",
         "@testing-library/react": "^14.0.0",
         "@testing-library/user-event": "^14.0.0",
@@ -145,20 +133,11 @@
         "tailwindcss": "^3.4.0",
         "tailwindcss-animate": "^1.0.7",
         "tsx": "^4.19.0",
-        "typescript": "^5.6.0",
+        "typescript": "^5.9.3",
         "vite": "^6.0.0",
         "vitest": "^2.0.0"
       }
     },
-    "ccw/frontend/node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/@adobe/css-tools": {
       "version": "4.4.4",
       "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.4.4.tgz",
@@ -9767,6 +9746,30 @@
         "algoliasearch": ">= 3.1 < 6"
       }
     },
+    "node_modules/allotment": {
+      "version": "1.20.5",
+      "resolved": "https://registry.npmjs.org/allotment/-/allotment-1.20.5.tgz",
+      "integrity": "sha512-7i4NT7ieXEyAd5lBrXmE7WHz/e7hRuo97+j+TwrPE85ha6kyFURoc76nom0dWSZ1pTKVEAMJy/+f3/Isfu/41A==",
+      "license": "MIT",
+      "dependencies": {
+        "classnames": "^2.3.0",
+        "eventemitter3": "^5.0.0",
+        "fast-deep-equal": "^3.1.3",
+        "lodash.clamp": "^4.0.0",
+        "lodash.debounce": "^4.0.0",
+        "usehooks-ts": "^3.1.1"
+      },
+      "peerDependencies": {
+        "react": "^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/allotment/node_modules/eventemitter3": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.4.tgz",
+      "integrity": "sha512-mlsTRyGaPBjPedk6Bvw+aqbsXDtoAyAzm5MO7JgU+yVRyMQ5O8bD4Kcci7BS85f93veegeCPkL8R4GLClnjLFw==",
+      "license": "MIT"
+    },
     "node_modules/ansi-align": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.1.tgz",
@@ -10840,6 +10843,12 @@
       "integrity": "sha512-JhZUT7JFcQy/EzW605k/ktHtncoo9vnyW/2GspNYwFlN1C/WmjuV/xtS04e9SOkL2sTdw0VAZ2UGCcQ9lR6p6w==",
       "license": "MIT"
     },
+    "node_modules/classnames": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.5.1.tgz",
+      "integrity": "sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==",
+      "license": "MIT"
+    },
     "node_modules/clean-css": {
       "version": "5.3.3",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-5.3.3.tgz",
@@ -12575,6 +12584,16 @@
         "node": ">=18"
       }
     },
+    "node_modules/date-fns": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
+      "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/kossnocorp"
+      }
+    },
     "node_modules/dayjs": {
       "version": "1.11.19",
       "resolved": "https://registry.npmjs.org/dayjs/-/dayjs-1.11.19.tgz",
@@ -16925,6 +16944,12 @@
       "integrity": "sha512-kVI48u3PZr38HdYz98UmfPnXl2DXrpdctLrFLCd3kOx1xUkOmpFPx7gCWWM5MPkL/fD8zb+Ph0QzjGFs4+hHWg==",
       "license": "MIT"
     },
+    "node_modules/lodash.clamp": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.clamp/-/lodash.clamp-4.0.3.tgz",
+      "integrity": "sha512-HvzRFWjtcguTW7yd8NJBshuNaCa8aqNFtnswdT7f/cMd/1YKy5Zzoq4W/Oxvnx9l7aeY258uSdDfM793+eLsVg==",
+      "license": "MIT"
+    },
     "node_modules/lodash.debounce": {
       "version": "4.0.8",
       "resolved": "https://registry.npmjs.org/lodash.debounce/-/lodash.debounce-4.0.8.tgz",
@@ -26387,6 +26412,21 @@
         "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
       }
     },
+    "node_modules/usehooks-ts": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/usehooks-ts/-/usehooks-ts-3.1.1.tgz",
+      "integrity": "sha512-I4diPp9Cq6ieSUH2wu+fDAVQO43xwtulo+fKEidHUwZPnYImbtkTjzIJYcDcJqxgmX31GVqNFURodvcgHcW0pA==",
+      "license": "MIT",
+      "dependencies": {
+        "lodash.debounce": "^4.0.8"
+      },
+      "engines": {
+        "node": ">=16.15.0"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0  || ^17 || ^18 || ^19 || ^19.0.0-rc"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/package.json b/package.json
index a390cb31..ba96644c 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "author": "dyw",
   "license": "MIT",
   "engines": {
-    "node": ">=16.0.0"
+    "node": ">=18.0.0"
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.0.4",