diff --git a/app/components/editor/index.tsx b/app/components/editor/index.tsx
index 26e34965..ad85ce74 100755
--- a/app/components/editor/index.tsx
+++ b/app/components/editor/index.tsx
@@ -32,6 +32,7 @@ import { extractPageContent } from '@/app/utils/contentExtractor';
 import { formatEngineResults, ResultsMap } from '@/app/utils/resultFormatter';
 import { casbinLinter, createPolicyLinter, requestLinter } from '@/app/utils/casbinLinter';
 import { isInsideIframe } from '@/app/utils/iframeDetector';
+import { buildPolicyDesignPrompt } from '@/app/utils/policyDesignPrompt';
 import { useLang } from '@/app/context/LangContext';
 import { useAutoCarousel } from '@/app/context/AutoCarouselContext';
 import type { EngineType } from '@/app/config/engineConfig';
@@ -90,6 +91,11 @@ export const EditorScreen = () => {
     const { message } = extractPageContent(boxType, t, lang, customConfig);
     return message;
   }, [t, lang, customConfig]);
+  const handlePolicyDesign = useCallback(() => {
+    // Core logic: build prompt from current context and open the AI side panel
+    const prompt = buildPolicyDesignPrompt({ t, lang, customConfig });
+    openDrawerWithMessage(prompt);
+  }, [t, lang, customConfig, openDrawerWithMessage]);
 
   // Wrapper functions that disable auto carousel before updating editor content
   const handleModelTextChange = useCallback((value: string) => {
@@ -387,6 +393,7 @@ export const EditorScreen = () => {
                         handleEngineChange={handleEngineChange}
                         versions={versions}
                         engineGithubLinks={engineGithubLinks}
+                        onDesignPolicy={handlePolicyDesign}
                       />
                     </div>
                     <div className="flex-grow overflow-auto h-full rounded-lg border border-border shadow-sm bg-white dark:bg-slate-800">
@@ -604,6 +611,7 @@ export const EditorScreen = () => {
                     handleEngineChange={handleEngineChange}
                     versions={versions}
                     engineGithubLinks={engineGithubLinks}
+                    onDesignPolicy={handlePolicyDesign}
                   />
                 </div>
                 <div className="flex-grow overflow-auto h-full rounded-lg border border-border shadow-sm bg-white dark:bg-slate-800">
diff --git a/app/components/editor/panels/PolicyToolbar.tsx b/app/components/editor/panels/PolicyToolbar.tsx
index 4ce7347a..d7f892bd 100644
--- a/app/components/editor/panels/PolicyToolbar.tsx
+++ b/app/components/editor/panels/PolicyToolbar.tsx
@@ -1,9 +1,11 @@
 import { useEffect, useRef, useState } from 'react';
+import { clsx } from 'clsx';
 import { FileUploadButton } from '@/app/components/editor/common/FileUploadButton';
 import { EngineSelector } from '@/app/components/editor/common/EngineSelector';
 import { EndpointSelector } from '@/app/components/editor/common/EndpointSelector';
 import type { EngineType } from '@/app/config/engineConfig';
 import type { VersionInfo } from '@/app/components/hooks/useRemoteEnforcer';
+import { useLang } from '@/app/context/LangContext';
 
 interface PolicyToolbarProps {
   setPolicyPersistent: (content: string) => void;
@@ -12,6 +14,7 @@ interface PolicyToolbarProps {
   handleEngineChange: (newPrimary: EngineType, newComparison: EngineType[]) => void;
   versions: Record<EngineType, VersionInfo>;
   engineGithubLinks: Record<EngineType, string>;
+  onDesignPolicy: () => void;
 }
 
 export const PolicyToolbar: React.FC<PolicyToolbarProps> = ({
@@ -21,9 +24,18 @@ export const PolicyToolbar: React.FC<PolicyToolbarProps> = ({
   handleEngineChange,
   versions,
   engineGithubLinks,
+  onDesignPolicy,
 }) => {
   const toolbarRef = useRef<HTMLDivElement | null>(null);
   const [compactMode, setCompactMode] = useState(false);
+  const { t } = useLang();
+  const designButtonClassName = clsx(
+    'px-3 py-1.5 rounded-lg',
+    'border border-primary text-primary bg-secondary',
+    'hover:bg-primary hover:text-primary-foreground',
+    'transition-all duration-200 shadow-sm hover:shadow-md',
+    'font-medium text-sm whitespace-nowrap',
+  );
 
   // Responsive behavior - use compact mode when space is tight
   useEffect(() => {
@@ -51,6 +63,14 @@ export const PolicyToolbar: React.FC<PolicyToolbarProps> = ({
         <div className="font-normal text-base">
           <FileUploadButton onFileContent={setPolicyPersistent} accept=".csv" />
         </div>
+        {/* Primary entry: trigger AI policy design (parent builds prompt and opens the side panel) */}
+        <button
+          type="button"
+          onClick={onDesignPolicy}
+          className={designButtonClassName}
+        >
+          {t('AI Policy Design')}
+        </button>
         <EndpointSelector />
         <EngineSelector
           selectedEngine={selectedEngine}
diff --git a/app/components/hooks/useIndex.tsx b/app/components/hooks/useIndex.tsx
index c7d0678d..d1d3d74f 100644
--- a/app/components/hooks/useIndex.tsx
+++ b/app/components/hooks/useIndex.tsx
@@ -1,4 +1,4 @@
-import React, { isValidElement, ReactNode, useEffect, useRef, useState } from 'react';
+import React, { isValidElement, ReactNode, useCallback, useEffect, useRef, useState } from 'react';
 import { defaultCustomConfig, defaultEnforceContext, example } from '@/app/components/editor/casbin-mode/example';
 import { ShareFormat } from '@/app/components/hooks/useShareInfo';
 import { defaultEnforceContextData } from '@/app/components/hooks/useSetupEnforceContext';
@@ -23,10 +23,11 @@ export default function useIndex() {
     loadedFromUrl?: boolean;
   }>({});
 
-  const setSelectedEngine = (engine: EngineType) => {
+  // Persist selected engine for future sessions.
+  const setSelectedEngine = useCallback((engine: EngineType) => {
     setSelectedEngineState(engine);
     localStorage.setItem('selectedEngine', engine);
-  };
+  }, []);
 
   function setPolicyPersistent(text: string): void {
     setPolicy(text);
@@ -49,7 +50,8 @@ export default function useIndex() {
     setEnforceContextData(new Map(map));
   }
 
-  const updateAllStates = (newModelKind: string, shared?: ShareFormat) => {
+  // Helper: apply model/policy/request/custom config state in one place.
+  const updateAllStates = useCallback((newModelKind: string, shared?: ShareFormat) => {
     const modelKindToUse = shared?.modelKind && shared.modelKind in example ? shared.modelKind : newModelKind;
 
     setModelKind(modelKindToUse);
@@ -67,7 +69,7 @@ export default function useIndex() {
     if (shared?.comparisonEngines) {
       setComparisonEngines(shared.comparisonEngines as EngineType[]);
     }
-  };
+  }, [setSelectedEngine]);
 
   useEffect(() => {
     // Check for URL query parameter for model selection
@@ -98,13 +100,13 @@ export default function useIndex() {
           return setEcho(<div className="text-red-500">Failed to load: {error}</div>);
         });
     }
-  }, []);
+  }, [updateAllStates]);
 
   useEffect(() => {
     if (!modelText && !policy && !request && !loadState.current.loadedFromUrl) {
       updateAllStates(modelKind);
     }
-  }, [modelKind, modelText, policy, request]);
+  }, [modelKind, modelText, policy, request, updateAllStates]);
 
   function handleShare(v: ReactNode | string) {
     if (isValidElement(v)) {
diff --git a/app/utils/contentExtractor.ts b/app/utils/contentExtractor.ts
index 85936d43..350d84a4 100644
--- a/app/utils/contentExtractor.ts
+++ b/app/utils/contentExtractor.ts
@@ -1,11 +1,15 @@
 const cleanContent = (content: string, t?: (key: string) => string) => {
   let result = content.replace(/^\d+\s+/gm, '');
   
-  // Remove translated "Ask AI" and "Explain it" if translation function is provided
+  // Remove translated button labels to avoid polluting extracted content
   if (t) {
     const askAI = t('Ask AI');
     const explainIt = t('Explain it');
-    result = result.replace(new RegExp(askAI, 'g'), '').replace(new RegExp(explainIt, 'g'), '');
+    const designPolicy = t('AI Policy Design');
+    result = result
+      .replace(new RegExp(askAI, 'g'), '')
+      .replace(new RegExp(explainIt, 'g'), '')
+      .replace(new RegExp(designPolicy, 'g'), '');
   }
   
   return result.trim();
diff --git a/app/utils/policyDesignPrompt.ts b/app/utils/policyDesignPrompt.ts
new file mode 100644
index 00000000..ce6cea5c
--- /dev/null
+++ b/app/utils/policyDesignPrompt.ts
@@ -0,0 +1,35 @@
+import { extractPageContent } from '@/app/utils/contentExtractor';
+
+type BuildPolicyDesignPromptParams = {
+  t: (key: string) => string;
+  lang: string;
+  customConfig?: string;
+};
+
+const casbinPolicyGuide = `
+Key Casbin notes:
+- Policy rules are CSV lines like "p, sub, obj, act" (ACL example).
+- RBAC role inheritance uses "g, user, role" (or g2/g3 if defined in model).
+- Follow the model's [policy_definition] and [role_definition] fields strictly.
+- Keep the rule set minimal and consistent with the request definition.
+`;
+
+// Key function: build the prompt for AI policy design using extracted page context.
+export const buildPolicyDesignPrompt = ({ t, lang, customConfig }: BuildPolicyDesignPromptParams) => {
+  // Core logic: reuse content extraction to assemble context and avoid duplicate parsing.
+  const { extractedContent } = extractPageContent('policy', t, lang, customConfig);
+
+  // Edge case: if context is missing (e.g. "No ... found"), treat it as empty and be conservative.
+  return [
+    `Please answer in ${lang} language.`,
+    `You are a Casbin policy expert.`,
+    `Task: Design Casbin policy rules based on the context and produce a short explanation.`,
+    `Output format:`,
+    `1) Policy Rules (CSV, one rule per line, only p/g/g2/g3 lines).`,
+    `2) Explanation (brief, 3-6 sentences).`,
+    casbinPolicyGuide.trim(),
+    `Context:`,
+    extractedContent,
+    `Notes: If any section says "No ... found", treat it as empty and infer safely.`,
+  ].join('\n');
+};
diff --git a/messages/ar.json b/messages/ar.json
index 3a3ce13d..d73e2a51 100644
--- a/messages/ar.json
+++ b/messages/ar.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(فارغ)",
   "Ask AI": "اسأل الذكاء الاصطناعي",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "تلقائي",
   "Gallery description": "استكشف واختر من مجموعة نماذج التحكم في الوصول لدينا",
   "Copyright": "حقوق النشر © {year} مساهمو Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "البحث عن النماذج...",
   "Search placeholder": "البحث حسب الاسم أو الوصف أو الفئة..."
 }
+
diff --git a/messages/de.json b/messages/de.json
index 376122d7..44cbaa3e 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(leer)",
   "Ask AI": "KI fragen",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Durchsuchen und wählen Sie aus unserer Sammlung von Zugriffskontrollmodellen",
   "Copyright": "Copyright © {year} Casbin-Mitwirkende.",
@@ -134,3 +135,4 @@
   "Search models": "Modelle suchen...",
   "Search placeholder": "Nach Name, Beschreibung oder Kategorie suchen..."
 }
+
diff --git a/messages/en.json b/messages/en.json
index 08ce632f..eb1bc0f2 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -66,6 +66,7 @@
   "Configuration downloaded successfully": "Configuration downloaded successfully",
   "Failed to download configuration": "Failed to download configuration",
   "Ask AI": "Ask AI",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Explore and select from our collection of access control models",
   "Copyright": "Copyright © {year} Casbin contributors.",
@@ -140,3 +141,4 @@
   "Custom Configuration": "Custom Configuration",
   "Open in editor to see enforcement results for the example request": "Open in editor to see enforcement results for the example request"
 }
+
diff --git a/messages/es.json b/messages/es.json
index 8bb88bc9..a44a98fe 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(vacío)",
   "Ask AI": "Preguntar a IA",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Explore y seleccione de nuestra colección de modelos de control de acceso",
   "Copyright": "Copyright © {year} Colaboradores de Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Buscar modelos...",
   "Search placeholder": "Buscar por nombre, descripción o categoría..."
 }
+
diff --git a/messages/fr.json b/messages/fr.json
index 1096c584..65843886 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(vide)",
   "Ask AI": "Demander à l'IA",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Explorez et sélectionnez parmi notre collection de modèles de contrôle d'accès",
   "Copyright": "Copyright © {year} Contributeurs Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Rechercher des modèles...",
   "Search placeholder": "Rechercher par nom, description ou catégorie..."
 }
+
diff --git a/messages/id.json b/messages/id.json
index 27b17c82..ba440289 100644
--- a/messages/id.json
+++ b/messages/id.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(kosong)",
   "Ask AI": "Tanya AI",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Otomatis",
   "Gallery description": "Jelajahi dan pilih dari koleksi model kontrol akses kami",
   "Copyright": "Hak Cipta © {year} Kontributor Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Cari model...",
   "Search placeholder": "Cari berdasarkan nama, deskripsi, atau kategori..."
 }
+
diff --git a/messages/it.json b/messages/it.json
index e9558428..99425fc7 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(vuoto)",
   "Ask AI": "Chiedi all'IA",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Esplora e seleziona dalla nostra collezione di modelli di controllo degli accessi",
   "Copyright": "Copyright © {year} Collaboratori Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Cerca modelli...",
   "Search placeholder": "Cerca per nome, descrizione o categoria..."
 }
+
diff --git a/messages/ja.json b/messages/ja.json
index 10352ec3..e4a48405 100644
--- a/messages/ja.json
+++ b/messages/ja.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "ポリシー関係が見つかりません",
   "(empty)": "(空)",
   "Ask AI": "AIに質問",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "自動",
   "Gallery description": "アクセス制御モデルのコレクションから閲覧して選択",
   "Copyright": "著作権 © {year} Casbinコントリビューター。",
@@ -134,3 +135,4 @@
   "Search models": "モデルを検索...",
   "Search placeholder": "名前、説明、カテゴリで検索..."
 }
+
diff --git a/messages/ko.json b/messages/ko.json
index df4b8c5e..cbff3f84 100644
--- a/messages/ko.json
+++ b/messages/ko.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(비어 있음)",
   "Ask AI": "AI에게 물어보기",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "자동",
   "Gallery description": "액세스 제어 모델 컬렉션에서 탐색하고 선택하세요",
   "Copyright": "저작권 © {year} Casbin 기여자.",
@@ -134,3 +135,4 @@
   "Search models": "모델 검색...",
   "Search placeholder": "이름, 설명 또는 카테고리로 검색..."
 }
+
diff --git a/messages/ms.json b/messages/ms.json
index 3dd6eec1..64815f9c 100644
--- a/messages/ms.json
+++ b/messages/ms.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(kosong)",
   "Ask AI": "Tanya AI",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Terokai dan pilih daripada koleksi model kawalan akses kami",
   "Copyright": "Hak Cipta © {year} Penyumbang Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Cari model...",
   "Search placeholder": "Cari mengikut nama, penerangan atau kategori..."
 }
+
diff --git a/messages/pt.json b/messages/pt.json
index 9a515262..f5a8913c 100644
--- a/messages/pt.json
+++ b/messages/pt.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(vazio)",
   "Ask AI": "Perguntar à IA",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Auto",
   "Gallery description": "Explore e selecione da nossa coleção de modelos de controle de acesso",
   "Copyright": "Copyright © {year} Colaboradores do Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Pesquisar modelos...",
   "Search placeholder": "Pesquisar por nome, descrição ou categoria..."
 }
+
diff --git a/messages/ru.json b/messages/ru.json
index 02e0932a..40628a70 100644
--- a/messages/ru.json
+++ b/messages/ru.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "Отношения политики не найдены",
   "(empty)": "(пусто)",
   "Ask AI": "Спросить ИИ",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Авто",
   "Gallery description": "Изучите и выберите из нашей коллекции моделей контроля доступа",
   "Copyright": "Авторские права © {year} Участники Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Поиск моделей...",
   "Search placeholder": "Поиск по названию, описанию или категории..."
 }
+
diff --git a/messages/tr.json b/messages/tr.json
index 357f7f61..9e17d16a 100644
--- a/messages/tr.json
+++ b/messages/tr.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "Politika ilişkisi bulunamadı",
   "(empty)": "(boş)",
   "Ask AI": "Yapay Zekaya Sor",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Otomatik",
   "Gallery description": "Erişim kontrol modelleri koleksiyonumuzu keşfedin ve seçin",
   "Copyright": "Telif hakkı © {year} Casbin katkıda bulunanlar.",
@@ -134,3 +135,4 @@
   "Search models": "Model ara...",
   "Search placeholder": "Ada, açıklama veya kategoriye göre ara..."
 }
+
diff --git a/messages/vi.json b/messages/vi.json
index 3aac21a7..715b065b 100644
--- a/messages/vi.json
+++ b/messages/vi.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(trống)",
   "Ask AI": "Hỏi AI",
+  "AI Policy Design": "AI Policy Design",
   "Auto": "Tự động",
   "Gallery description": "Khám phá và chọn từ bộ sưu tập mô hình kiểm soát truy cập của chúng tôi",
   "Copyright": "Bản quyền © {year} Cộng tác viên Casbin.",
@@ -134,3 +135,4 @@
   "Search models": "Tìm kiếm mô hình...",
   "Search placeholder": "Tìm kiếm theo tên, mô tả hoặc danh mục..."
 }
+
diff --git a/messages/zh-Hant.json b/messages/zh-Hant.json
index a12f83db..ce713139 100644
--- a/messages/zh-Hant.json
+++ b/messages/zh-Hant.json
@@ -63,6 +63,7 @@
   "No policy relationships found": "No policy relationships found",
   "(empty)": "(空)",
   "Ask AI": "詢問 AI",
+  "AI Policy Design": "AI 設計策略",
   "Auto": "自動",
   "Gallery description": "從我們的訪問控制模型集合中瀏覽和選擇",
   "Copyright": "版權所有 © {year} Casbin 貢獻者。",
@@ -134,3 +135,4 @@
   "Search models": "搜尋模型...",
   "Search placeholder": "按名稱、描述或類別搜尋..."
 }
+
diff --git a/messages/zh.json b/messages/zh.json
index d798cad9..720d6d74 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -63,6 +63,7 @@
   "Failed to download configuration": "配置下载失败",
   "Model Gallery": "模型库",
   "Ask AI": "询问 AI",
+  "AI Policy Design": "AI 设计策略",
   "Auto": "自动",
   "Gallery description": "从我们的访问控制模型集合中浏览和选择",
   "Copyright": "版权所有 © {year} Casbin 贡献者。",
@@ -134,3 +135,4 @@
   "Search models": "搜索模型...",
   "Search placeholder": "按名称、描述或类别搜索..."
 }
+