diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1a8f36..dd043e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,13 +14,12 @@ jobs:
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v4
-        with:
-          version: 11
 
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: "20"
+          # pnpm@11 (packageManager) requires Node >= 22.13
+          node-version: "22"
           cache: "pnpm"
 
       - name: Install dependencies
diff --git a/.prettierignore b/.prettierignore
index 8973fe9..4d12e4e 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,2 +1,4 @@
 # Local-only, not committed
 .cursor/
+
+pnpm-lock.yaml
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 640dd33..8ba7bb5 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -1,6 +1,5 @@
 import js from "@eslint/js"
 import ts from "typescript-eslint"
-import reactHooks from "eslint-plugin-react-hooks"
 import nextVitals from "eslint-config-next/core-web-vitals"
 import nextTypescript from "eslint-config-next/typescript"
 
@@ -10,9 +9,7 @@ export default [
   ...nextVitals,
   ...nextTypescript,
   {
-    plugins: {
-      "react-hooks": reactHooks,
-    },
+    // react-hooks plugin already registered by eslint-config-next — do not redeclare under pnpm.
     rules: {
       "react-hooks/rules-of-hooks": "error",
       "react-hooks/exhaustive-deps": "warn",
diff --git a/package.json b/package.json
index 37d7e30..84018b1 100644
--- a/package.json
+++ b/package.json
@@ -115,7 +115,13 @@
     "tailwindcss": "^4.1.9",
     "tw-animate-css": "^1.4.0",
     "typescript": "^5",
-    "vitest": "^4.0.18"
+    "vitest": "^4.0.18",
+    "@eslint/js": "^9.39.3",
+    "typescript-eslint": "^8.0.0"
   },
-  "packageManager": "pnpm@11.9.0"
+  "packageManager": "pnpm@11.9.0",
+  "engines": {
+    "node": ">=22.13",
+    "pnpm": ">=11.9.0"
+  }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index bc9a97a..ae6e9c7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -10,7 +10,7 @@ importers:
     dependencies:
       '@ai-sdk/react':
         specifier: latest
-        version: 3.0.210(react@19.2.4)(zod@4.3.6)
+        version: 4.0.34(react@19.2.4)(zod@4.3.6)
       '@hookform/resolvers':
         specifier: ^5.2.2
         version: 5.2.2(react-hook-form@7.71.2(react@19.2.4))
@@ -121,7 +121,7 @@ importers:
         version: 12.10.1(@types/react@19.2.14)(immer@11.1.4)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       ai:
         specifier: latest
-        version: 6.0.208(zod@4.3.6)
+        version: 7.0.31(zod@4.3.6)
       autoprefixer:
         specifier: ^10.4.20
         version: 10.4.27(postcss@8.5.6)
@@ -204,6 +204,9 @@ importers:
       '@eslint/eslintrc':
         specifier: ^3.3.4
         version: 3.3.4
+      '@eslint/js':
+        specifier: ^9.39.3
+        version: 9.39.3
       '@playwright/test':
         specifier: ^1.58.2
         version: 1.58.2
@@ -270,6 +273,9 @@ importers:
       typescript:
         specifier: ^5
         version: 5.9.3
+      typescript-eslint:
+        specifier: ^8.0.0
+        version: 8.56.1(eslint@9.39.3(jiti@2.6.1))(typescript@5.9.3)
       vitest:
         specifier: ^4.0.18
         version: 4.0.18(@opentelemetry/api@1.9.0)(@types/node@22.19.12)(jiti@2.6.1)(jsdom@28.1.0)(lightningcss@1.31.1)
@@ -282,25 +288,31 @@ packages:
   '@adobe/css-tools@4.4.4':
     resolution: {integrity: sha512-Elp+iwUx5rN5+Y8xLt5/GRoG20WGoDCQ/1Fb+1LiGtvwbDavuSk0jhD/eZdckHAuzcDzccnkv+rEjyWfRx18gg==}
 
-  '@ai-sdk/gateway@3.0.133':
-    resolution: {integrity: sha512-Ebs+7iS9zUgJu5B0RlxM2JmDWzq79Cpd6YdiqcCzB5qFdpfQJPUDiXutqlQP89F2XGjOdDeidulBTXUdXWzOxw==}
-    engines: {node: '>=18'}
+  '@ai-sdk/gateway@4.0.23':
+    resolution: {integrity: sha512-f85diFdPMXYJpxCjOYZchMQkRH8h3r6lhK4Q2xmzJ7UA2OQ80L3W7tFu61742xGQK7zHWm5AhxYhNuc50H9SGQ==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
-  '@ai-sdk/provider-utils@4.0.30':
-    resolution: {integrity: sha512-VO7I+vPffqI5sMnPoUq5DCSqKIgQIk/naJWRdQVpz2ma2zoprC/lqiJiUEl2s6DfvTD76TbhD3q39ROjlA6rGw==}
-    engines: {node: '>=18'}
+  '@ai-sdk/mcp@2.0.15':
+    resolution: {integrity: sha512-JIwbud+pMM6GgXDhwm5/lSpg7y8kAO1JHJ4NQEmfST6nXy3Gijaxy4LIrKqVR/1N5VPZAfwOdSsUWtbtTp6zZw==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
-  '@ai-sdk/provider@3.0.10':
-    resolution: {integrity: sha512-Q3BZ27qfpYqnCYGvE3vt+Qi6LGOF9R5Nmzn+9JoM1lCRsD9mYaIhfJLkSunN48nfGXJ6n+XNV0J/XVpqGQl7Dw==}
-    engines: {node: '>=18'}
+  '@ai-sdk/provider-utils@5.0.11':
+    resolution: {integrity: sha512-7/96wE+ZsKB35iS9ASyllrE4Ym/EolXEB7AkuJ5FI++fmS85BVTAs77890C+1Z2jwHfBKjBQSBmsliOsAh0iFQ==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
 
-  '@ai-sdk/react@3.0.210':
-    resolution: {integrity: sha512-VprBlyc8yvwlpIdcIICL307vRncXrLlmcRTY/7JR5ND9+LvUcxJU16yW6prClFahqEWVza8Vr8P4Bgk5ZBtp4A==}
-    engines: {node: '>=18'}
+  '@ai-sdk/provider@4.0.3':
+    resolution: {integrity: sha512-e0CpNWJUY7OxAFAnCZkw+ri9QOHWwTs1tXP42782KFGCU07qt8NiXCrCVowyCB5dP2r5/Uls+g2oPd8kOJn9dw==}
+    engines: {node: '>=22'}
+
+  '@ai-sdk/react@4.0.34':
+    resolution: {integrity: sha512-yrMJecJUwS18oGHUWPemuDBy9elVIjxbLsqNg6nraPu+TO7e5QFTv1ma9kLhKy4FGvDJW0Ff4Z57sKEsIlYZeA==}
+    engines: {node: '>=22'}
     peerDependencies:
       react: ^18 || ~19.0.1 || ~19.1.2 || ^19.2.1
 
@@ -2376,6 +2388,9 @@ packages:
   '@webgpu/types@0.1.69':
     resolution: {integrity: sha512-RPmm6kgRbI8e98zSD3RVACvnuktIja5+yLgDAkTmxLr90BEwdTXRQWNLF3ETTTyH/8mKhznZuN5AveXYFEsMGQ==}
 
+  '@workflow/serde@4.1.0':
+    resolution: {integrity: sha512-pav4F2BoirECWR7Nf1TKt+2eETcBj7jj4cBefQ8VXQCA6NPkaKeLfj/zMgi+3zYV5ZIBT4GuUiphsj0/b9hPQQ==}
+
   '@xyflow/react@12.10.1':
     resolution: {integrity: sha512-5eSWtIK/+rkldOuFbOOz44CRgQRjtS9v5nufk77DV+XBnfCGL9HAQ8PG00o2ZYKqkEU/Ak6wrKC95Tu+2zuK3Q==}
     peerDependencies:
@@ -2399,9 +2414,9 @@ packages:
     resolution: {integrity: sha512-MnA+YT8fwfJPgBx3m60MNqakm30XOkyIoH1y6huTQvC0PwZG7ki8NacLBcrPbNoo8vEZy7Jpuk7+jMO+CUovTQ==}
     engines: {node: '>= 14'}
 
-  ai@6.0.208:
-    resolution: {integrity: sha512-STz+AaZqJ4ZjH7UkpXkbHx+bjgIDOsE8fIUoZjkZ2whoZcfVmG9K/TqEKouJZ03SuZuD7lagntlU3zBhAEkRpQ==}
-    engines: {node: '>=18'}
+  ai@7.0.31:
+    resolution: {integrity: sha512-pJfwKXjF5kw0rKRTePwYo60EfWb8wfzJAgf3ojln/YkOsVVKttzZAJVcRPsg37Z3a06ZdKkxX+DSrMAFlPm5Mw==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
@@ -3881,6 +3896,10 @@ packages:
     resolution: {integrity: sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==}
     engines: {node: '>=12'}
 
+  pkce-challenge@5.0.1:
+    resolution: {integrity: sha512-wQ0b/W4Fr01qtpHlqSqspcj3EhBvimsdh0KlHhH8HRZnMsEa0ea2fTULOXOS9ccQr3om+GcGRk4e+isrZWV8qQ==}
+    engines: {node: '>=16.20.0'}
+
   playwright-core@1.58.2:
     resolution: {integrity: sha512-yZkEtftgwS8CsfYo7nm0KE8jsvm6i/PTgVtB8DL726wNf6H2IMsDuxCpJj59KDaxCtSnrWan2AeDqM7JBaultg==}
     engines: {node: '>=18'}
@@ -4334,6 +4353,11 @@ packages:
     peerDependencies:
       react: ^16.11.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
 
+  swr@2.4.2:
+    resolution: {integrity: sha512-ej644Y2bvkIajfR32KGeSSdBXQW+ScjGjkybZgSE7kFpk9eGnV44XY9FJylXi+W75pavSX1PVNB57W5EbhGIYw==}
+    peerDependencies:
+      react: ^16.11.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+
   symbol-tree@3.2.4:
     resolution: {integrity: sha512-9QNk5KwDF+Bvz+PyObkmSYjI5ksVUYtjW7AU22r2NKcfLJcXp96hkDWU3+XndOsUb+AQ9QhfzfCT2O+CNWT5Tw==}
 
@@ -4730,30 +4754,40 @@ snapshots:
 
   '@adobe/css-tools@4.4.4': {}
 
-  '@ai-sdk/gateway@3.0.133(zod@4.3.6)':
+  '@ai-sdk/gateway@4.0.23(zod@4.3.6)':
     dependencies:
-      '@ai-sdk/provider': 3.0.10
-      '@ai-sdk/provider-utils': 4.0.30(zod@4.3.6)
+      '@ai-sdk/provider': 4.0.3
+      '@ai-sdk/provider-utils': 5.0.11(zod@4.3.6)
       '@vercel/oidc': 3.2.0
       zod: 4.3.6
 
-  '@ai-sdk/provider-utils@4.0.30(zod@4.3.6)':
+  '@ai-sdk/mcp@2.0.15(zod@4.3.6)':
     dependencies:
-      '@ai-sdk/provider': 3.0.10
+      '@ai-sdk/provider': 4.0.3
+      '@ai-sdk/provider-utils': 5.0.11(zod@4.3.6)
+      pkce-challenge: 5.0.1
+      zod: 4.3.6
+
+  '@ai-sdk/provider-utils@5.0.11(zod@4.3.6)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.3
       '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
       eventsource-parser: 3.1.0
       zod: 4.3.6
 
-  '@ai-sdk/provider@3.0.10':
+  '@ai-sdk/provider@4.0.3':
     dependencies:
       json-schema: 0.4.0
 
-  '@ai-sdk/react@3.0.210(react@19.2.4)(zod@4.3.6)':
+  '@ai-sdk/react@4.0.34(react@19.2.4)(zod@4.3.6)':
     dependencies:
-      '@ai-sdk/provider-utils': 4.0.30(zod@4.3.6)
-      ai: 6.0.208(zod@4.3.6)
+      '@ai-sdk/mcp': 2.0.15(zod@4.3.6)
+      '@ai-sdk/provider': 4.0.3
+      '@ai-sdk/provider-utils': 5.0.11(zod@4.3.6)
+      ai: 7.0.31(zod@4.3.6)
       react: 19.2.4
-      swr: 2.4.0(react@19.2.4)
+      swr: 2.4.2(react@19.2.4)
       throttleit: 2.1.0
     transitivePeerDependencies:
       - zod
@@ -5274,7 +5308,8 @@ snapshots:
 
   '@nolyfill/is-core-module@1.0.39': {}
 
-  '@opentelemetry/api@1.9.0': {}
+  '@opentelemetry/api@1.9.0':
+    optional: true
 
   '@panva/hkdf@1.2.1': {}
 
@@ -6628,6 +6663,8 @@ snapshots:
 
   '@webgpu/types@0.1.69': {}
 
+  '@workflow/serde@4.1.0': {}
+
   '@xyflow/react@12.10.1(@types/react@19.2.14)(immer@11.1.4)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)':
     dependencies:
       '@xyflow/system': 0.0.75
@@ -6659,12 +6696,11 @@ snapshots:
 
   agent-base@7.1.4: {}
 
-  ai@6.0.208(zod@4.3.6):
+  ai@7.0.31(zod@4.3.6):
     dependencies:
-      '@ai-sdk/gateway': 3.0.133(zod@4.3.6)
-      '@ai-sdk/provider': 3.0.10
-      '@ai-sdk/provider-utils': 4.0.30(zod@4.3.6)
-      '@opentelemetry/api': 1.9.0
+      '@ai-sdk/gateway': 4.0.23(zod@4.3.6)
+      '@ai-sdk/provider': 4.0.3
+      '@ai-sdk/provider-utils': 5.0.11(zod@4.3.6)
       zod: 4.3.6
 
   ajv@6.14.0:
@@ -8439,6 +8475,8 @@ snapshots:
 
   picomatch@4.0.4: {}
 
+  pkce-challenge@5.0.1: {}
+
   playwright-core@1.58.2: {}
 
   playwright@1.58.2:
@@ -8947,6 +8985,12 @@ snapshots:
       react: 19.2.4
       use-sync-external-store: 1.6.0(react@19.2.4)
 
+  swr@2.4.2(react@19.2.4):
+    dependencies:
+      dequal: 2.0.3
+      react: 19.2.4
+      use-sync-external-store: 1.6.0(react@19.2.4)
+
   symbol-tree@3.2.4: {}
 
   tailwind-merge@3.5.0: {}