diff --git a/dashboard/package-lock.json b/dashboard/package-lock.json
index be34dc4..4efbc15 100644
--- a/dashboard/package-lock.json
+++ b/dashboard/package-lock.json
@@ -27,6 +27,8 @@
         "@eslint/js": "^10.0.1",
         "@tailwindcss/typography": "^0.5.19",
         "@tailwindcss/vite": "^4.3.0",
+        "@testing-library/jest-dom": "^6.6.3",
+        "@testing-library/react": "^16.1.0",
         "@types/node": "^24.12.3",
         "@types/react": "^19.2.14",
         "@types/react-dom": "^19.2.3",
@@ -35,12 +37,39 @@
         "eslint-plugin-react-hooks": "^7.1.1",
         "eslint-plugin-react-refresh": "^0.5.2",
         "globals": "^17.6.0",
+        "jsdom": "^26.1.0",
         "tailwindcss": "^4.3.0",
         "typescript": "~6.0.2",
         "typescript-eslint": "^8.59.2",
-        "vite": "^8.0.12"
+        "vite": "^8.0.12",
+        "vitest": "^3.2.1"
       }
     },
+    "node_modules/@adobe/css-tools": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.5.0.tgz",
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+      "dev": true
+    },
+    "node_modules/@asamuzakjp/css-color": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-3.2.0.tgz",
+      "integrity": "sha512-K1A6z8tS3XsmCMM86xoWdn7Fkdn9m6RSVtocUrJYIwZnFVkng/PvkEoWtOWmP+Scc6saYWHWZYbndEEXxl24jw==",
+      "dev": true,
+      "dependencies": {
+        "@csstools/css-calc": "^2.1.3",
+        "@csstools/css-color-parser": "^3.0.9",
+        "@csstools/css-parser-algorithms": "^3.0.4",
+        "@csstools/css-tokenizer": "^3.0.3",
+        "lru-cache": "^10.4.3"
+      }
+    },
+    "node_modules/@asamuzakjp/css-color/node_modules/lru-cache": {
+      "version": "10.4.3",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
+      "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
+      "dev": true
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.7.tgz",
@@ -220,6 +249,15 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/@babel/runtime": {
+      "version": "7.29.7",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.29.7.tgz",
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+      "dev": true,
+      "engines": {
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+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.29.7.tgz",
@@ -265,6 +303,116 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@csstools/color-helpers": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@csstools/color-helpers/-/color-helpers-5.1.0.tgz",
+      "integrity": "sha512-S11EXWJyy0Mz5SYvRmY8nJYTFFd1LCNV+7cXyAgQtOOuzb4EsgfqDufL+9esx72/eLhsRdGZwaldu/h+E4t4BA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@csstools/css-calc": {
+      "version": "2.1.4",
+      "resolved": "https://registry.npmjs.org/@csstools/css-calc/-/css-calc-2.1.4.tgz",
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+      "dev": true,
+      "funding": [
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+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "engines": {
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+      },
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+        "@csstools/css-tokenizer": "^3.0.4"
+      }
+    },
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+      "resolved": "https://registry.npmjs.org/@csstools/css-color-parser/-/css-color-parser-3.1.0.tgz",
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+      "dev": true,
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+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "dependencies": {
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+        "@csstools/css-calc": "^2.1.4"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
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+        "@csstools/css-tokenizer": "^3.0.4"
+      }
+    },
+    "node_modules/@csstools/css-parser-algorithms": {
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+      "resolved": "https://registry.npmjs.org/@csstools/css-parser-algorithms/-/css-parser-algorithms-3.0.5.tgz",
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+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "engines": {
+        "node": ">=18"
+      },
+      "peerDependencies": {
+        "@csstools/css-tokenizer": "^3.0.4"
+      }
+    },
+    "node_modules/@csstools/css-tokenizer": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/@csstools/css-tokenizer/-/css-tokenizer-3.0.4.tgz",
+      "integrity": "sha512-Vd/9EVDiu6PPJt9yAh6roZP6El1xHrdvIVGjyBsHR0RYwNHgL7FJPyIIW4fANJNG6FtyZfvlRPpFI4ZM/lubvw==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "engines": {
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+    },
     "node_modules/@emnapi/core": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.10.0.tgz",
@@ -296,6 +444,422 @@
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       }
     },
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+      "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.28.1.tgz",
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+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
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+      ],
+      "engines": {
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+      }
+    },
+    "node_modules/@esbuild/android-arm": {
+      "version": "0.28.1",
+      "resolved": "https://registry.npmjs.org/@esbuild/android-arm/-/android-arm-0.28.1.tgz",
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@@ -4960,6 +6626,286 @@
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+      "dev": true,
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       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/web-namespaces/-/web-namespaces-2.0.1.tgz",
@@ -4969,6 +6915,50 @@
         "url": "https://github.com/sponsors/wooorm"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
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+      "dev": true,
+      "engines": {
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+    "node_modules/whatwg-encoding": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-3.1.1.tgz",
+      "integrity": "sha512-6qN4hJdMwfYBtE3YBTTHhoeuUrDBPZmbQaxWAqSALV/MeEnR5z1xd8UKud2RAkFoPkmB+hli1TZSnyi84xz1vQ==",
+      "deprecated": "Use @exodus/bytes instead for a more spec-conformant and faster implementation",
+      "dev": true,
+      "dependencies": {
+        "iconv-lite": "0.6.3"
+      },
+      "engines": {
+        "node": ">=18"
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+    },
+    "node_modules/whatwg-mimetype": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-4.0.0.tgz",
+      "integrity": "sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg==",
+      "dev": true,
+      "engines": {
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+    "node_modules/whatwg-url": {
+      "version": "14.2.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-14.2.0.tgz",
+      "integrity": "sha512-De72GdQZzNTUBBChsXueQUnPKDkg/5A5zp7pFDuQAj5UFoENpiACU0wlCvzpAGnTkj++ihpKwKyYewn/XNUbKw==",
+      "dev": true,
+      "dependencies": {
+        "tr46": "^5.1.0",
+        "webidl-conversions": "^7.0.0"
+      },
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     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -4984,6 +6974,22 @@
         "node": ">= 8"
       }
     },
+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
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+        "why-is-node-running": "cli.js"
+      },
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+    },
     "node_modules/word-wrap": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
@@ -4993,6 +6999,42 @@
         "node": ">=0.10.0"
       }
     },
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+      "dev": true,
+      "engines": {
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+    },
+    "node_modules/xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
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     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
diff --git a/dashboard/package.json b/dashboard/package.json
index afbfdb5..365f2de 100644
--- a/dashboard/package.json
+++ b/dashboard/package.json
@@ -7,7 +7,9 @@
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint .",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest run",
+    "test:watch": "vitest"
   },
   "dependencies": {
     "axios": "^1.17.0",
@@ -29,6 +31,8 @@
     "@eslint/js": "^10.0.1",
     "@tailwindcss/typography": "^0.5.19",
     "@tailwindcss/vite": "^4.3.0",
+    "@testing-library/jest-dom": "^6.6.3",
+    "@testing-library/react": "^16.1.0",
     "@types/node": "^24.12.3",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
@@ -37,9 +41,11 @@
     "eslint-plugin-react-hooks": "^7.1.1",
     "eslint-plugin-react-refresh": "^0.5.2",
     "globals": "^17.6.0",
+    "jsdom": "^26.1.0",
     "tailwindcss": "^4.3.0",
     "typescript": "~6.0.2",
     "typescript-eslint": "^8.59.2",
-    "vite": "^8.0.12"
+    "vite": "^8.0.12",
+    "vitest": "^3.2.1"
   }
 }
diff --git a/dashboard/src/App.tsx b/dashboard/src/App.tsx
index 41849e0..bd87748 100644
--- a/dashboard/src/App.tsx
+++ b/dashboard/src/App.tsx
@@ -1,5 +1,5 @@
 // dashboard/src/App.tsx
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useEffect, useCallback, useRef } from 'react';
 import axios from 'axios';
 import { Loader, BookOpen, GitFork, Lock } from 'lucide-react';
 import { Sidebar } from './components/layout/Sidebar';
@@ -13,6 +13,8 @@ import type { StandardPaper, NoteRecord } from './types';
 import { GlobalDialog } from './components/dialogs/GlobalDialog';
 import { UncachedPaperModal } from './components/dialogs/UncachedPaperModal';
 import { PaperDetailModal } from './components/dialogs/PaperDetailModal';
+import { Logo } from './components/Logo';
+import { ErrorBoundary } from './components/ErrorBoundary';
 
 // 引入拆分出的业务逻辑 Hooks
 import { useAuth } from './hooks/useAuth';
@@ -52,7 +54,8 @@ export default function App() {
   // 2. 局部状态定义 (多组件共用或全局网络进度状态)
   const [activeTab, setActiveTab] = useState<'search' | 'library' | 'reader' | 'citation' | 'sync' | 'agent'>(() => {
     const saved = localStorage.getItem('astro_active_tab');
-    return (saved as any) || 'search';
+    const validTabs = ['search', 'library', 'reader', 'citation', 'sync', 'agent'] as const;
+    return (validTabs.includes(saved as typeof validTabs[number]) ? saved : 'search') as typeof validTabs[number];
   });
 
   const [englishText, setEnglishText] = useState('');
@@ -71,20 +74,24 @@ export default function App() {
   const citations = useCitations();
 
   // 协调：进入阅读器方法 (需要拉取正文和笔记)
+  const libraryRef = useRef<ReturnType<typeof useLibrary> | null>(null);
+
   const openReader = useCallback(async (paper: StandardPaper, skipTabSwitch = false) => {
-    library.setSelectedPaper(paper);
+    const lib = libraryRef.current;
+    if (!lib) return;
+    lib.setSelectedPaper(paper);
     localStorage.setItem('last_read_bibcode', paper.bibcode);
-    library.addPaperToRecent(paper);
+    lib.addPaperToRecent(paper);
 
     setEnglishText('');
     setChineseText('');
     notes.setNotes([]);
     notes.setShowNotesPanel(false);
-    
+
     if (!skipTabSwitch) {
       setActiveTab('reader');
     }
-    
+
     // 异步加载文献详情正文
     try {
       const res = await axios.get<{ paper: StandardPaper, english_content?: string, translation_content?: string }>('/api/paper', {
@@ -116,6 +123,8 @@ export default function App() {
     openReader,
   });
 
+  useEffect(() => { libraryRef.current = library; });
+
   const search = useSearch({ showAlert });
 
   // 协调：从 RAG 问答结果跳转至目标文献段落并高亮
@@ -247,20 +256,7 @@ export default function App() {
         <div className="console-panel rounded-lg p-8 max-w-sm w-full mx-4 shadow-sm z-10 relative bg-white border border-[#d2d8e2]">
           <div className="flex flex-col items-center text-center mb-7 select-none">
             <div className="w-14 h-14 mb-3">
-              <svg width="100%" height="100%" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg" className="w-full h-full">
-                <circle cx="24" cy="24" r="18" stroke="#bae6fd" strokeWidth="1.5" />
-                <circle cx="24" cy="24" r="21" stroke="#0284c7" strokeWidth="1.5" strokeDasharray="2 3" />
-                <path d="M24 9C24 18 24 18 33 24C24 24 24 24 24 33C24 24 24 24 15 24C24 18 24 18 24 9Z" fill="url(#loginStarGrad)" />
-                <ellipse cx="24" cy="24" rx="20" ry="7" transform="rotate(-28 24 24)" stroke="#0284c7" strokeWidth="2" />
-                <circle cx="38" cy="16" r="4.5" fill="#0284c7" stroke="#ffffff" strokeWidth="1.5" />
-                <circle cx="10" cy="32" r="2.5" fill="#38bdf8" />
-                <defs>
-                  <linearGradient id="loginStarGrad" x1="15" y1="9" x2="33" y2="33" gradientUnits="userSpaceOnUse">
-                    <stop offset="0%" stopColor="#106ba3" />
-                    <stop offset="100%" stopColor="#0a2540" />
-                  </linearGradient>
-                </defs>
-              </svg>
+              <Logo gradientId="loginStarGrad" />
             </div>
             <h2 className="text-sm font-bold text-[#0a2540] tracking-wider mb-1">AstroResearch</h2>
             <p className="text-[10px] text-[#5c6b84] font-medium tracking-wide">天文学科研辅助系统 · 安全登录</p>
@@ -330,143 +326,144 @@ export default function App() {
           <div className={`w-full flex-1 flex flex-col min-h-0 ${
             (activeTab === 'reader' || activeTab === 'citation' || activeTab === 'agent') ? 'max-w-none' : 'max-w-7xl mx-auto'
           }`}>
-            
-            {activeTab === 'search' && (
-              <SearchPanel 
-                searchQuery={search.searchQuery}
-                setSearchQuery={search.setSearchQuery}
-                searchSource={search.searchSource}
-                setSearchSource={search.setSearchSource}
-                searchRows={search.searchRows}
-                searchStart={search.searchStart}
-                searchSort={search.searchSort}
-                handlePageChange={search.handlePageChange}
-                handleSortChange={search.handleSortChange}
-                handleRowsChange={search.handleRowsChange}
-                searching={search.searching}
-                handleSearch={search.handleSearch}
-                searchResults={search.searchResults}
-                exportingList={search.exportingList}
-                toggleExportItem={search.toggleExportItem}
-                handleExportBibtex={search.handleExportBibtex}
-                exporting={search.exporting}
-                bibtexContent={search.bibtexContent}
-                downloadingBibcodes={library.downloadingBibcodes}
-                handleDownload={(bibcode, force) => library.handleDownload(bibcode, force, search.setSearchResults)}
-                selectedPaper={library.selectedPaper}
-                setSelectedPaper={library.setSelectedPaper}
-                openReader={openReader}
-                setActiveTab={setActiveTab}
-                loadCitations={citations.loadCitations}
-                showAlert={showAlert}
-                onShowDetail={(paper) => library.setDetailBibcode(paper.bibcode)}
-              />
-            )}
-
-            {activeTab === 'library' && (
-              <LibraryPanel 
-                library={library.library}
-                fetchLibrary={library.fetchLibrary}
-                setActiveTab={setActiveTab}
-                onShowDetail={(paper) => library.setDetailBibcode(paper.bibcode)}
-                onOpenReader={openReader}
-                onOpenCitation={(paper) => library.openCitation(paper, setActiveTab, citations.loadCitations)}
-              />
-            )}
-
-            {activeTab === 'reader' && (
-              library.selectedPaper ? (
-                <ReaderPanel 
+            <ErrorBoundary>
+              {activeTab === 'search' && (
+                <SearchPanel 
+                  searchQuery={search.searchQuery}
+                  setSearchQuery={search.setSearchQuery}
+                  searchSource={search.searchSource}
+                  setSearchSource={search.setSearchSource}
+                  searchRows={search.searchRows}
+                  searchStart={search.searchStart}
+                  searchSort={search.searchSort}
+                  handlePageChange={search.handlePageChange}
+                  handleSortChange={search.handleSortChange}
+                  handleRowsChange={search.handleRowsChange}
+                  searching={search.searching}
+                  handleSearch={search.handleSearch}
+                  searchResults={search.searchResults}
+                  exportingList={search.exportingList}
+                  toggleExportItem={search.toggleExportItem}
+                  handleExportBibtex={search.handleExportBibtex}
+                  exporting={search.exporting}
+                  bibtexContent={search.bibtexContent}
+                  downloadingBibcodes={library.downloadingBibcodes}
+                  handleDownload={(bibcode, force) => library.handleDownload(bibcode, force, search.setSearchResults)}
                   selectedPaper={library.selectedPaper}
-                  library={library.library}
-                  recentlySelected={library.recentlySelected}
-                  onSwitchPaper={openReader}
-                  parsing={parsing}
-                  handleParse={handleParse}
-                  translating={translating}
-                  handleTranslate={handleTranslate}
-                  vectorizing={vectorizing}
-                  handleVectorize={handleVectorize}
-                  showNotesPanel={notes.showNotesPanel}
-                  setShowNotesPanel={notes.setShowNotesPanel}
-                  notes={notes.notes}
-                  englishText={englishText}
-                  chineseText={chineseText}
-                  handleTextSelection={notes.handleTextSelection}
-                  selectedParagraphIdx={notes.selectedParagraphIdx}
-                  setSelectedParagraphIdx={notes.setSelectedParagraphIdx}
-                  selectedText={notes.selectedText}
-                  setSelectedText={notes.setSelectedText}
-                  newNoteColor={notes.newNoteColor}
-                  setNewNoteColor={notes.setNewNoteColor}
-                  newNoteText={notes.newNoteText}
-                  setNewNoteText={notes.setNewNoteText}
-                  handleCreateNote={() => notes.handleCreateNote(library.selectedPaper)}
-                  handleDeleteNote={notes.handleDeleteNote}
-                  showConfirm={showConfirm}
-                  onJumpToSource={handleJumpToSource}
-                />
-              ) : (
-                <div className="w-full flex-1 flex flex-col items-center justify-center p-12 bg-white rounded-2xl border border-slate-200 shadow-xs min-h-[450px] select-none">
-                  <div className="w-16 h-16 rounded-2xl bg-sky-50 border border-sky-100 flex items-center justify-center text-sky-600 mb-5 shadow-2xs">
-                    <BookOpen className="w-8 h-8" />
-                  </div>
-                  <h3 className="text-base font-bold text-slate-800 tracking-wide mb-2">未选定阅读文献</h3>
-                  <p className="text-xs text-slate-500 max-w-sm text-center leading-relaxed mb-6">
-                    双语对比阅读功能需要基于已下载的馆藏文献。请前往“馆藏管理”选择或上传一篇文献，然后开启沉浸式双语精读。
-                  </p>
-                  <button
-                    onClick={() => setActiveTab('library')}
-                    className="px-6 py-2.5 bg-sky-600 hover:bg-sky-700 text-white rounded-lg text-xs font-bold transition-all shadow-xs hover:shadow-md cursor-pointer hover:scale-102 active:scale-98"
-                  >
-                    选择文献
-                  </button>
-                </div>
-              )
-            )}
-
-            {activeTab === 'citation' && (
-              library.selectedPaper ? (
-                <CitationPanel 
-                  selectedPaper={library.selectedPaper}
-                  library={library.library}
-                  recentlySelected={library.recentlySelected}
-                  onSwitchPaper={(paper) => library.openCitation(paper, setActiveTab, citations.loadCitations)}
-                  loadingCitations={citations.loadingCitations}
-                  citationNetwork={citations.citationNetwork}
-                  citationHistory={citations.citationHistory}
+                  setSelectedPaper={library.setSelectedPaper}
+                  openReader={openReader}
+                  setActiveTab={setActiveTab}
                   loadCitations={citations.loadCitations}
-                  onUncachedClick={citations.setUncachedBibcode}
+                  showAlert={showAlert}
+                  onShowDetail={(paper) => library.setDetailBibcode(paper.bibcode)}
                 />
-              ) : (
-                <div className="w-full flex-1 flex flex-col items-center justify-center p-12 bg-white rounded-2xl border border-slate-200 shadow-xs min-h-[450px] select-none">
-                  <div className="w-16 h-16 rounded-2xl bg-sky-50 border border-sky-100 flex items-center justify-center text-sky-600 mb-5 shadow-2xs">
-                    <GitFork className="w-8 h-8" />
+              )}
+
+              {activeTab === 'library' && (
+                <LibraryPanel 
+                  library={library.library}
+                  fetchLibrary={library.fetchLibrary}
+                  setActiveTab={setActiveTab}
+                  onShowDetail={(paper) => library.setDetailBibcode(paper.bibcode)}
+                  onOpenReader={openReader}
+                  onOpenCitation={(paper) => library.openCitation(paper, setActiveTab, citations.loadCitations)}
+                />
+              )}
+
+              {activeTab === 'reader' && (
+                library.selectedPaper ? (
+                  <ReaderPanel 
+                    selectedPaper={library.selectedPaper}
+                    library={library.library}
+                    recentlySelected={library.recentlySelected}
+                    onSwitchPaper={openReader}
+                    parsing={parsing}
+                    handleParse={handleParse}
+                    translating={translating}
+                    handleTranslate={handleTranslate}
+                    vectorizing={vectorizing}
+                    handleVectorize={handleVectorize}
+                    showNotesPanel={notes.showNotesPanel}
+                    setShowNotesPanel={notes.setShowNotesPanel}
+                    notes={notes.notes}
+                    englishText={englishText}
+                    chineseText={chineseText}
+                    handleTextSelection={notes.handleTextSelection}
+                    selectedParagraphIdx={notes.selectedParagraphIdx}
+                    setSelectedParagraphIdx={notes.setSelectedParagraphIdx}
+                    selectedText={notes.selectedText}
+                    setSelectedText={notes.setSelectedText}
+                    newNoteColor={notes.newNoteColor}
+                    setNewNoteColor={notes.setNewNoteColor}
+                    newNoteText={notes.newNoteText}
+                    setNewNoteText={notes.setNewNoteText}
+                    handleCreateNote={() => notes.handleCreateNote(library.selectedPaper)}
+                    handleDeleteNote={notes.handleDeleteNote}
+                    showConfirm={showConfirm}
+                    onJumpToSource={handleJumpToSource}
+                  />
+                ) : (
+                  <div className="w-full flex-1 flex flex-col items-center justify-center p-12 bg-white rounded-2xl border border-slate-200 shadow-xs min-h-[450px] select-none">
+                    <div className="w-16 h-16 rounded-2xl bg-sky-50 border border-sky-100 flex items-center justify-center text-sky-600 mb-5 shadow-2xs">
+                      <BookOpen className="w-8 h-8" />
+                    </div>
+                    <h3 className="text-base font-bold text-slate-800 tracking-wide mb-2">未选定阅读文献</h3>
+                    <p className="text-xs text-slate-500 max-w-sm text-center leading-relaxed mb-6">
+                      双语对比阅读功能需要基于已下载的馆藏文献。请前往"馆藏管理"选择或上传一篇文献，然后开启沉浸式双语精读。
+                    </p>
+                    <button
+                      onClick={() => setActiveTab('library')}
+                      className="px-6 py-2.5 bg-sky-600 hover:bg-sky-700 text-white rounded-lg text-xs font-bold transition-all shadow-xs hover:shadow-md cursor-pointer hover:scale-102 active:scale-98"
+                    >
+                      选择文献
+                    </button>
                   </div>
-                  <h3 className="text-base font-bold text-slate-800 tracking-wide mb-2">未选定中心文献</h3>
-                  <p className="text-xs text-slate-500 max-w-sm text-center leading-relaxed mb-6">
-                    引用星系拓扑图谱用于展示单篇文献的“引用 - 被引”星系脉络。请前往“馆藏管理”选择一篇文献并生成其引用图谱。
-                  </p>
-                  <button
-                    onClick={() => setActiveTab('library')}
-                    className="px-6 py-2.5 bg-sky-600 hover:bg-sky-700 text-white rounded-lg text-xs font-bold transition-all shadow-xs hover:shadow-md cursor-pointer hover:scale-102 active:scale-98"
-                  >
-                    选择文献
-                  </button>
-                </div>
-              )
-            )}
+                )
+              )}
 
-            {activeTab === 'sync' && (
-              <SyncPanel />
-            )}
+              {activeTab === 'citation' && (
+                library.selectedPaper ? (
+                  <CitationPanel 
+                    selectedPaper={library.selectedPaper}
+                    library={library.library}
+                    recentlySelected={library.recentlySelected}
+                    onSwitchPaper={(paper) => library.openCitation(paper, setActiveTab, citations.loadCitations)}
+                    loadingCitations={citations.loadingCitations}
+                    citationNetwork={citations.citationNetwork}
+                    citationHistory={citations.citationHistory}
+                    loadCitations={citations.loadCitations}
+                    onUncachedClick={citations.setUncachedBibcode}
+                  />
+                ) : (
+                  <div className="w-full flex-1 flex flex-col items-center justify-center p-12 bg-white rounded-2xl border border-slate-200 shadow-xs min-h-[450px] select-none">
+                    <div className="w-16 h-16 rounded-2xl bg-sky-50 border border-sky-100 flex items-center justify-center text-sky-600 mb-5 shadow-2xs">
+                      <GitFork className="w-8 h-8" />
+                    </div>
+                    <h3 className="text-base font-bold text-slate-800 tracking-wide mb-2">未选定中心文献</h3>
+                    <p className="text-xs text-slate-500 max-w-sm text-center leading-relaxed mb-6">
+                      引用星系拓扑图谱用于展示单篇文献的"引用 - 被引"星系脉络。请前往"馆藏管理"选择一篇文献并生成其引用图谱。
+                    </p>
+                    <button
+                      onClick={() => setActiveTab('library')}
+                      className="px-6 py-2.5 bg-sky-600 hover:bg-sky-700 text-white rounded-lg text-xs font-bold transition-all shadow-xs hover:shadow-md cursor-pointer hover:scale-102 active:scale-98"
+                    >
+                      选择文献
+                    </button>
+                  </div>
+                )
+              )}
 
-            {activeTab === 'agent' && (
-              <ResearchAgentPanel 
-                showConfirm={showConfirm}
-                showAlert={showAlert}
-              />
-            )}
+              {activeTab === 'sync' && (
+                <SyncPanel />
+              )}
+
+              {activeTab === 'agent' && (
+                <ResearchAgentPanel 
+                  showConfirm={showConfirm}
+                  showAlert={showAlert}
+                />
+              )}
+            </ErrorBoundary>
           </div>
         </div>
       </main>
diff --git a/dashboard/src/assets/hero.png b/dashboard/src/assets/hero.png
deleted file mode 100644
index 02251f4..0000000
Binary files a/dashboard/src/assets/hero.png and /dev/null differ
diff --git a/dashboard/src/assets/react.svg b/dashboard/src/assets/react.svg
deleted file mode 100644
index 6c87de9..0000000
--- a/dashboard/src/assets/react.svg
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/dashboard/src/assets/vite.svg b/dashboard/src/assets/vite.svg
deleted file mode 100644
index 5101b67..0000000
--- a/dashboard/src/assets/vite.svg
+++ /dev/null
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diff --git a/dashboard/src/components/AIAssistantPanel.tsx b/dashboard/src/components/AIAssistantPanel.tsx
index 736fd82..9b1804a 100644
--- a/dashboard/src/components/AIAssistantPanel.tsx
+++ b/dashboard/src/components/AIAssistantPanel.tsx
@@ -1,4 +1,4 @@
-// dashboard/src/features/reader/AIAssistantPanel.tsx
+// dashboard/src/components/AIAssistantPanel.tsx
 // 文献 AI 问答助手 — 使用共享 AgentMarkdown / useAgentSSE / 子代理路由 / 渲染组件
 import { useState, useRef, useEffect } from 'react';
 import {
@@ -107,14 +107,16 @@ export function AIAssistantPanel({
 
   // ── bibcode 切换重置 ──
   useEffect(() => {
-    setMessages([]);
-    setSessionId(null);
-    setError(null);
-    setExpandedThoughts({});
-    setExpandedArgs({});
-    setExpandedResults({});
-    setCollapsedSubAgents({});
-    setPendingImage(null);
+    queueMicrotask(() => {
+      setMessages([]);
+      setSessionId(null);
+      setError(null);
+      setExpandedThoughts({});
+      setExpandedArgs({});
+      setExpandedResults({});
+      setCollapsedSubAgents({});
+      setPendingImage(null);
+    });
   }, [bibcode]);
 
   const handleStop = async () => {
@@ -172,15 +174,15 @@ export function AIAssistantPanel({
           if (last.sender !== 'ai') return prev;
           const newTimeline = routeToolResult(last.timeline, tcId, name, _output, isError);
           // RAG 来源收集
-          let sources = [...(last.sources || [])];
-          if (name === 'rag_search' && metadata?.sources) {
-            for (const s of metadata.sources) {
+          const sources = [...(last.sources || [])];
+          if (name === 'rag_search' && metadata?.sources && Array.isArray(metadata.sources)) {
+            for (const s of metadata.sources as Array<{ bibcode: string; paragraph_index: number; preview?: string; distance?: number }>) {
               if (!sources.some(
                 c => c.bibcode === s.bibcode && c.paragraph_index === s.paragraph_index,
               )) {
                 sources.push({
                   bibcode: s.bibcode, paragraph_index: s.paragraph_index,
-                  content: s.preview || '', distance: s.distance,
+                  content: s.preview || '', distance: s.distance ?? 0,
                 });
               }
             }
diff --git a/dashboard/src/components/CitationGalaxyCanvas.tsx b/dashboard/src/components/CitationGalaxyCanvas.tsx
index d578708..617598d 100644
--- a/dashboard/src/components/CitationGalaxyCanvas.tsx
+++ b/dashboard/src/components/CitationGalaxyCanvas.tsx
@@ -154,14 +154,14 @@ export function CitationGalaxyCanvas({ networks, activeNetwork, nodeLimit, onNod
     const updatePhysics = () => {
       for (let i = 0; i < nodes.length; i++) {
         for (let j = i + 1; j < nodes.length; j++) {
-          let dx = nodes[j].x - nodes[i].x;
-          let dy = nodes[j].y - nodes[i].y;
-          let dist = Math.sqrt(dx * dx + dy * dy) || 1;
-          let minDist = nodes[i].radius + nodes[j].radius + 60;
+          const dx = nodes[j].x - nodes[i].x;
+          const dy = nodes[j].y - nodes[i].y;
+          const dist = Math.sqrt(dx * dx + dy * dy) || 1;
+          const minDist = nodes[i].radius + nodes[j].radius + 60;
           if (dist < minDist) {
-            let force = (minDist - dist) * 0.08;
-            let fx = (dx / dist) * force;
-            let fy = (dy / dist) * force;
+            const force = (minDist - dist) * 0.08;
+            const fx = (dx / dist) * force;
+            const fy = (dy / dist) * force;
 
             if (nodes[i].type !== 'center' || nodes[i].id !== activeNetwork.bibcode) {
               nodes[i].vx -= fx;
@@ -179,12 +179,12 @@ export function CitationGalaxyCanvas({ networks, activeNetwork, nodeLimit, onNod
         const sourceNode = nodes.find(n => n.id === link.source);
         const targetNode = nodes.find(n => n.id === link.target);
         if (sourceNode && targetNode) {
-          let dx = targetNode.x - sourceNode.x;
-          let dy = targetNode.y - sourceNode.y;
-          let dist = Math.sqrt(dx * dx + dy * dy) || 1;
-          let force = dist * 0.003;
-          let fx = (dx / dist) * force;
-          let fy = (dy / dist) * force;
+          const dx = targetNode.x - sourceNode.x;
+          const dy = targetNode.y - sourceNode.y;
+          const dist = Math.sqrt(dx * dx + dy * dy) || 1;
+          const force = dist * 0.003;
+          const fx = (dx / dist) * force;
+          const fy = (dy / dist) * force;
 
           if (sourceNode.type !== 'center' || sourceNode.id !== activeNetwork.bibcode) {
             sourceNode.vx += fx;
@@ -327,9 +327,9 @@ export function CitationGalaxyCanvas({ networks, activeNetwork, nodeLimit, onNod
 
       let found: Node | null = null;
       for (const node of nodes) {
-        let dx = node.x - gx;
-        let dy = node.y - gy;
-        let dist = Math.sqrt(dx * dx + dy * dy);
+        const dx = node.x - gx;
+        const dy = node.y - gy;
+        const dist = Math.sqrt(dx * dx + dy * dy);
         if (dist < node.radius + 6) {
           found = node;
           break;
diff --git a/dashboard/src/components/CustomSelect.tsx b/dashboard/src/components/CustomSelect.tsx
index 350c845..2024c99 100644
--- a/dashboard/src/components/CustomSelect.tsx
+++ b/dashboard/src/components/CustomSelect.tsx
@@ -1,26 +1,26 @@
 import { useState, useRef, useEffect } from 'react';
 import { ChevronDown } from 'lucide-react';
 
-export interface SelectOption {
-  value: string | number;
+export interface SelectOption<T extends string | number = string | number> {
+  value: T;
   label: React.ReactNode;
 }
 
-interface CustomSelectProps {
-  value: string | number;
-  onChange: (value: any) => void;
-  options: SelectOption[];
+interface CustomSelectProps<T extends string | number = string | number> {
+  value: T;
+  onChange: (value: T) => void;
+  options: SelectOption<T>[];
   className?: string;
   disabled?: boolean;
 }
 
-export function CustomSelect({
+export function CustomSelect<T extends string | number = string | number>({
   value,
   onChange,
   options,
   className = '',
   disabled = false,
-}: CustomSelectProps) {
+}: CustomSelectProps<T>) {
   const [isOpen, setIsOpen] = useState(false);
   const containerRef = useRef<HTMLDivElement>(null);
 
diff --git a/dashboard/src/components/ErrorBoundary.test.tsx b/dashboard/src/components/ErrorBoundary.test.tsx
new file mode 100644
index 0000000..daf98da
--- /dev/null
+++ b/dashboard/src/components/ErrorBoundary.test.tsx
@@ -0,0 +1,76 @@
+import { describe, it, expect, vi } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/react';
+import { ErrorBoundary } from './ErrorBoundary';
+
+function ThrowingComponent(): React.ReactNode {
+  throw new Error('Test error');
+}
+
+function WorkingComponent() {
+  return <div>Working content</div>;
+}
+
+describe('ErrorBoundary', () => {
+  it('renders children when no error', () => {
+    render(
+      <ErrorBoundary>
+        <WorkingComponent />
+      </ErrorBoundary>
+    );
+    expect(screen.getByText('Working content')).toBeInTheDocument();
+  });
+
+  it('renders error UI when child throws', () => {
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+
+    render(
+      <ErrorBoundary>
+        <ThrowingComponent />
+      </ErrorBoundary>
+    );
+
+    expect(screen.getByText('组件渲染出错')).toBeInTheDocument();
+    expect(screen.getByText('Test error')).toBeInTheDocument();
+
+    consoleSpy.mockRestore();
+  });
+
+  it('renders custom fallback when provided', () => {
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+
+    render(
+      <ErrorBoundary fallback={<div>Custom fallback</div>}>
+        <ThrowingComponent />
+      </ErrorBoundary>
+    );
+
+    expect(screen.getByText('Custom fallback')).toBeInTheDocument();
+
+    consoleSpy.mockRestore();
+  });
+
+  it('retry button resets state and re-renders children', () => {
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
+
+    const { unmount } = render(
+      <ErrorBoundary>
+        <ThrowingComponent />
+      </ErrorBoundary>
+    );
+
+    expect(screen.getByText('组件渲染出错')).toBeInTheDocument();
+    fireEvent.click(screen.getByText('重试'));
+
+    unmount();
+
+    const { getByText } = render(
+      <ErrorBoundary>
+        <WorkingComponent />
+      </ErrorBoundary>
+    );
+
+    expect(getByText('Working content')).toBeInTheDocument();
+
+    consoleSpy.mockRestore();
+  });
+});
diff --git a/dashboard/src/components/ErrorBoundary.tsx b/dashboard/src/components/ErrorBoundary.tsx
new file mode 100644
index 0000000..bb152c2
--- /dev/null
+++ b/dashboard/src/components/ErrorBoundary.tsx
@@ -0,0 +1,60 @@
+import { Component, type ErrorInfo, type ReactNode } from 'react';
+import { AlertTriangle, RefreshCw } from 'lucide-react';
+
+interface Props {
+  children: ReactNode;
+  fallback?: ReactNode;
+}
+
+interface State {
+  hasError: boolean;
+  error: Error | null;
+}
+
+export class ErrorBoundary extends Component<Props, State> {
+  constructor(props: Props) {
+    super(props);
+    this.state = { hasError: false, error: null };
+  }
+
+  static getDerivedStateFromError(error: Error): State {
+    return { hasError: true, error };
+  }
+
+  componentDidCatch(error: Error, errorInfo: ErrorInfo) {
+    console.error('ErrorBoundary caught:', error, errorInfo);
+  }
+
+  handleRetry = () => {
+    this.setState({ hasError: false, error: null });
+  };
+
+  render() {
+    if (this.state.hasError) {
+      if (this.props.fallback) {
+        return this.props.fallback;
+      }
+
+      return (
+        <div className="flex flex-col items-center justify-center p-8 bg-white rounded-xl border border-slate-200 shadow-sm min-h-[300px]">
+          <div className="w-12 h-12 rounded-full bg-red-50 border border-red-100 flex items-center justify-center text-red-500 mb-4">
+            <AlertTriangle className="w-6 h-6" />
+          </div>
+          <h3 className="text-sm font-bold text-slate-800 mb-2">组件渲染出错</h3>
+          <p className="text-xs text-slate-500 text-center max-w-sm mb-4">
+            {this.state.error?.message || '发生了未知错误'}
+          </p>
+          <button
+            onClick={this.handleRetry}
+            className="flex items-center gap-2 px-4 py-2 bg-slate-100 hover:bg-slate-200 text-slate-700 rounded-lg text-xs font-semibold transition-colors cursor-pointer"
+          >
+            <RefreshCw className="w-3.5 h-3.5" />
+            重试
+          </button>
+        </div>
+      );
+    }
+
+    return this.props.children;
+  }
+}
diff --git a/dashboard/src/components/Logo.tsx b/dashboard/src/components/Logo.tsx
new file mode 100644
index 0000000..17cb3bb
--- /dev/null
+++ b/dashboard/src/components/Logo.tsx
@@ -0,0 +1,23 @@
+interface LogoProps {
+  className?: string;
+  gradientId?: string;
+}
+
+export function Logo({ className = 'w-full h-full', gradientId = 'logoStarGrad' }: LogoProps) {
+  return (
+    <svg width="100%" height="100%" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg" className={className}>
+      <circle cx="24" cy="24" r="18" stroke="#bae6fd" strokeWidth="1.5" />
+      <circle cx="24" cy="24" r="21" stroke="#0284c7" strokeWidth="1.5" strokeDasharray="2 3" />
+      <path d="M24 9C24 18 24 18 33 24C24 24 24 24 24 33C24 24 24 24 15 24C24 18 24 18 24 9Z" fill={`url(#${gradientId})`} />
+      <ellipse cx="24" cy="24" rx="20" ry="7" transform="rotate(-28 24 24)" stroke="#0284c7" strokeWidth="2" />
+      <circle cx="38" cy="16" r="4.5" fill="#0284c7" stroke="#ffffff" strokeWidth="1.5" />
+      <circle cx="10" cy="32" r="2.5" fill="#38bdf8" />
+      <defs>
+        <linearGradient id={gradientId} x1="15" y1="9" x2="33" y2="33" gradientUnits="userSpaceOnUse">
+          <stop offset="0%" stopColor="#0284c7" />
+          <stop offset="100%" stopColor="#0369a1" />
+        </linearGradient>
+      </defs>
+    </svg>
+  );
+}
diff --git a/dashboard/src/components/agent/AgentMetricsPanel.tsx b/dashboard/src/components/agent/AgentMetricsPanel.tsx
index bd11418..b9577b7 100644
--- a/dashboard/src/components/agent/AgentMetricsPanel.tsx
+++ b/dashboard/src/components/agent/AgentMetricsPanel.tsx
@@ -90,7 +90,20 @@ export function AgentMetricsPanel({ showAlert }: AgentMetricsPanelProps) {
   };
 
   useEffect(() => {
-    fetchMetrics();
+    let active = true;
+    (async () => {
+      setLoading(true);
+      try {
+        const res = await axios.get<AgentMetricsResponse>('/api/chat/metrics');
+        if (active) setMetrics(res.data);
+      } catch (e) {
+        console.error('获取智能体指标失败:', e);
+        showAlert?.('获取智能体运行指标失败，请确认后端服务状态。', '指标加载出错');
+      } finally {
+        if (active) setLoading(false);
+      }
+    })();
+    return () => { active = false; };
   }, []);
 
   // 提取工具调用排行（取前10）
diff --git a/dashboard/src/components/agent/AskUserQuestionCard.tsx b/dashboard/src/components/agent/AskUserQuestionCard.tsx
index eb5043a..7a90e9b 100644
--- a/dashboard/src/components/agent/AskUserQuestionCard.tsx
+++ b/dashboard/src/components/agent/AskUserQuestionCard.tsx
@@ -100,11 +100,12 @@ export function AskUserQuestionCard({ onAnswered, onQuestionCountChange }: AskUs
         return next;
       });
       onAnswered?.();
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error('提交答案失败:', e);
-      const msg = e.response?.status === 410
+      const axiosError = e as { response?: { status?: number } };
+      const msg = axiosError.response?.status === 410
         ? '该问题已超时或已被回答'
-        : e.response?.status === 404
+        : axiosError.response?.status === 404
           ? '未找到该问题'
           : '提交失败，请稍后重试';
       setError(prev => ({ ...prev, [questionId]: msg }));
diff --git a/dashboard/src/components/agent/AuditLogViewer.tsx b/dashboard/src/components/agent/AuditLogViewer.tsx
index 6560667..357643e 100644
--- a/dashboard/src/components/agent/AuditLogViewer.tsx
+++ b/dashboard/src/components/agent/AuditLogViewer.tsx
@@ -52,16 +52,21 @@ export function AuditLogViewer({ sessionId, onClose }: AuditLogViewerProps) {
 
   useEffect(() => {
     if (!sessionId) return;
-    setLoading(true);
-    setError(null);
-    axios
-      .get<AuditLogEntry[]>(`/api/chat/sessions/${sessionId}/audit`)
-      .then(res => setEntries(res.data))
-      .catch(e => {
+    let active = true;
+    (async () => {
+      setLoading(true);
+      setError(null);
+      try {
+        const res = await axios.get<AuditLogEntry[]>(`/api/chat/sessions/${sessionId}/audit`);
+        if (active) setEntries(res.data);
+      } catch (e) {
         console.error('加载审计日志失败:', e);
-        setError('审计日志加载失败');
-      })
-      .finally(() => setLoading(false));
+        if (active) setError('审计日志加载失败');
+      } finally {
+        if (active) setLoading(false);
+      }
+    })();
+    return () => { active = false; };
   }, [sessionId]);
 
   const okCount = entries.filter(e => e.status === 'OK').length;
diff --git a/dashboard/src/components/agent/ToolCallCard.tsx b/dashboard/src/components/agent/ToolCallCard.tsx
index b5cdf9f..01d6257 100644
--- a/dashboard/src/components/agent/ToolCallCard.tsx
+++ b/dashboard/src/components/agent/ToolCallCard.tsx
@@ -9,7 +9,7 @@ import { useAutoScroll } from './useAutoScroll';
 interface ToolCallCardProps {
   step: number;
   name: string;
-  arguments: any;
+  arguments: Record<string, unknown>;
   result?: { output: string; isError: boolean };
   isStreaming: boolean;
   colorScheme: ColorScheme;
diff --git a/dashboard/src/components/agent/subagentRouting.ts b/dashboard/src/components/agent/subagentRouting.ts
index 7de388b..68d2811 100644
--- a/dashboard/src/components/agent/subagentRouting.ts
+++ b/dashboard/src/components/agent/subagentRouting.ts
@@ -82,7 +82,7 @@ export function routeToolCall(
   step: number,
   id: string,
   name: string,
-  args: any,
+  args: Record<string, unknown>,
 ): TimelineItem[] {
   // 创建 subagent_container
   if (isSubagentContainerCall(name)) {
@@ -220,7 +220,7 @@ function upsertParentToolCall(
   step: number,
   id: string,
   name: string,
-  args: any,
+  args: Record<string, unknown>,
 ): TimelineItem[] {
   const existing = timeline.find(
     t => t.type === 'tool_call' && 'id' in t && t.id === id,
diff --git a/dashboard/src/components/agent/types.ts b/dashboard/src/components/agent/types.ts
index 5edc647..40275ad 100644
--- a/dashboard/src/components/agent/types.ts
+++ b/dashboard/src/components/agent/types.ts
@@ -9,7 +9,7 @@ export type TimelineItem =
       step: number;
       id: string;
       name: string;
-      arguments: any;
+      arguments: Record<string, unknown>;
       result?: { output: string; isError: boolean };
     }
   | { type: 'answer'; content: string }
@@ -25,14 +25,14 @@ export type TimelineItem =
 export interface SSEEventHandlers {
   onSession?: (sessionId: string, title?: string) => void;
   onThought?: (step: number, content: string) => void;
-  onToolCall?: (step: number, id: string, name: string, args: any) => void;
+  onToolCall?: (step: number, id: string, name: string, args: Record<string, unknown>) => void;
   onToolResult?: (
     step: number,
     toolCallId: string,
     name: string,
     output: string,
     isError: boolean,
-    metadata?: any,
+    metadata?: Record<string, unknown>,
   ) => void;
   onTextDelta?: (content: string, toolCallId?: string) => void;
   onUsage?: (usage: {
diff --git a/dashboard/src/components/agent/useAgentSSE.ts b/dashboard/src/components/agent/useAgentSSE.ts
index b03fc41..30524ee 100644
--- a/dashboard/src/components/agent/useAgentSSE.ts
+++ b/dashboard/src/components/agent/useAgentSSE.ts
@@ -24,7 +24,7 @@ export function useAgentSSE(): UseAgentSSEReturn {
       abortRef.current = controller;
 
       try {
-        const body: Record<string, any> = {
+        const body: Record<string, string | boolean | null | { data?: string; path?: string; mime_type: string }> = {
           question: params.question,
           session_id: params.sessionId,
           mode: params.mode || 'default',
@@ -125,13 +125,14 @@ export function useAgentSSE(): UseAgentSSEReturn {
 
         setStreaming(false);
         return resolvedSessionId;
-      } catch (e: any) {
-        if (e.name === 'AbortError') {
+      } catch (e: unknown) {
+        const error = e instanceof Error ? e : new Error('未知错误');
+        if (error.name === 'AbortError') {
           setStreaming(false);
           return null;
         }
         console.error('智能体对话请求失败:', e);
-        handlers.onError?.(e.message || '网络连接错误，请稍后重试');
+        handlers.onError?.(error.message || '网络连接错误，请稍后重试');
         setStreaming(false);
         return null;
       }
diff --git a/dashboard/src/components/agent/useAutoScroll.ts b/dashboard/src/components/agent/useAutoScroll.ts
index 317f1b6..8487457 100644
--- a/dashboard/src/components/agent/useAutoScroll.ts
+++ b/dashboard/src/components/agent/useAutoScroll.ts
@@ -11,7 +11,7 @@ interface UseAutoScrollReturn {
   handleScroll: () => void;
 }
 
-export function useAutoScroll(deps: any[]): UseAutoScrollReturn {
+export function useAutoScroll(deps: React.DependencyList): UseAutoScrollReturn {
   const chatEndRef = useRef<HTMLDivElement>(null);
   const scrollContainerRef = useRef<HTMLDivElement>(null);
   const [shouldAutoScroll, setShouldAutoScroll] = useState(true);
diff --git a/dashboard/src/components/layout/Sidebar.tsx b/dashboard/src/components/layout/Sidebar.tsx
index a84b275..f0d2423 100644
--- a/dashboard/src/components/layout/Sidebar.tsx
+++ b/dashboard/src/components/layout/Sidebar.tsx
@@ -2,10 +2,13 @@
 import { useState } from 'react';
 import { Search, BookOpen, GitFork, Library, RefreshCw, ChevronLeft, Sparkles, LogOut } from 'lucide-react';
 import type { StandardPaper } from '../../types';
+import { Logo } from '../Logo';
+
+export type TabId = 'search' | 'library' | 'reader' | 'citation' | 'sync' | 'agent';
 
 interface SidebarProps {
-  activeTab: 'search' | 'library' | 'reader' | 'citation' | 'sync' | 'agent';
-  setActiveTab: (tab: 'search' | 'library' | 'reader' | 'citation' | 'sync' | 'agent') => void;
+  activeTab: TabId;
+  setActiveTab: (tab: TabId) => void;
   selectedPaper: StandardPaper | null;
   loadCitations: (bibcode: string) => void;
   onLogout: () => void;
@@ -14,23 +17,6 @@ interface SidebarProps {
 export function Sidebar({ activeTab, setActiveTab, selectedPaper, loadCitations, onLogout }: SidebarProps) {
   const [isCollapsed, setIsCollapsed] = useState(false);
 
-  const renderLogo = () => (
-    <svg width="100%" height="100%" viewBox="0 0 48 48" fill="none" xmlns="http://www.w3.org/2000/svg" className="w-full h-full">
-      <circle cx="24" cy="24" r="18" stroke="#bae6fd" strokeWidth="1.5" />
-      <circle cx="24" cy="24" r="21" stroke="#0284c7" strokeWidth="1.5" strokeDasharray="2 3" />
-      <path d="M24 9C24 18 24 18 33 24C24 24 24 24 24 33C24 24 24 24 15 24C24 18 24 18 24 9Z" fill="url(#sidebarStarGrad)" />
-      <ellipse cx="24" cy="24" rx="20" ry="7" transform="rotate(-28 24 24)" stroke="#0284c7" strokeWidth="2" />
-      <circle cx="38" cy="16" r="4.5" fill="#0284c7" stroke="#ffffff" strokeWidth="1.5" />
-      <circle cx="10" cy="32" r="2.5" fill="#38bdf8" />
-      <defs>
-        <linearGradient id="sidebarStarGrad" x1="15" y1="9" x2="33" y2="33" gradientUnits="userSpaceOnUse">
-          <stop offset="0%" stopColor="#0284c7" />
-          <stop offset="100%" stopColor="#0369a1" />
-        </linearGradient>
-      </defs>
-    </svg>
-  );
-
   return (
     <aside 
       className={`bg-slate-50 border-r border-slate-200 flex flex-col justify-between py-6 z-20 select-none transition-all duration-355 cubic-bezier(0.4, 0, 0.2, 1) ${
@@ -57,7 +43,7 @@ export function Sidebar({ activeTab, setActiveTab, selectedPaper, loadCitations,
               title={isCollapsed ? "展开导航" : undefined}
             >
               <div className={`transition-all duration-300 flex items-center justify-center ${isCollapsed ? 'w-8 h-8' : 'w-9 h-9'}`}>
-                {renderLogo()}
+                <Logo gradientId="sidebarStarGrad" />
               </div>
             </button>
 
@@ -92,22 +78,21 @@ export function Sidebar({ activeTab, setActiveTab, selectedPaper, loadCitations,
         {/* 导航菜单列表 */}
         <nav className="space-y-1">
           {[
-            { id: 'search', label: '统一检索', icon: Search },
-            { id: 'library', label: '馆藏管理', icon: Library },
-            { id: 'reader', label: '双语阅读', icon: BookOpen },
-            { id: 'citation', label: '引用星系', icon: GitFork },
-            { id: 'sync', label: '批量任务', icon: RefreshCw },
-            { id: 'agent', label: '智能科研', icon: Sparkles },
-          ].map((tab: { id: string; label: string; icon: any; disabled?: boolean }) => {
+            { id: 'search' as TabId, label: '统一检索', icon: Search },
+            { id: 'library' as TabId, label: '馆藏管理', icon: Library },
+            { id: 'reader' as TabId, label: '双语阅读', icon: BookOpen },
+            { id: 'citation' as TabId, label: '引用星系', icon: GitFork },
+            { id: 'sync' as TabId, label: '批量任务', icon: RefreshCw },
+            { id: 'agent' as TabId, label: '智能科研', icon: Sparkles },
+          ].map((tab) => {
             const Icon = tab.icon;
             const isActive = activeTab === tab.id;
             return (
               <button
                 key={tab.id}
-                disabled={tab.disabled}
                 title={isCollapsed ? tab.label : undefined}
                 onClick={() => {
-                  setActiveTab(tab.id as any);
+                  setActiveTab(tab.id);
                   if (tab.id === 'citation' && selectedPaper) {
                     loadCitations(selectedPaper.bibcode);
                   }
@@ -115,11 +100,9 @@ export function Sidebar({ activeTab, setActiveTab, selectedPaper, loadCitations,
                 className={`w-full flex items-center rounded-lg text-xs font-semibold tracking-wider transition-all duration-300 border ${
                   isCollapsed ? 'px-2 py-2.5 justify-center' : 'px-3 py-2.5'
                 } ${
-                  isActive 
-                    ? 'bg-slate-100 border-slate-200 text-slate-850 shadow-xs' 
-                    : tab.disabled
-                      ? 'opacity-30 cursor-not-allowed border-transparent text-slate-400'
-                      : 'border-transparent text-slate-650 hover:bg-slate-100 hover:text-slate-800'
+                  isActive
+                    ? 'bg-slate-100 border-slate-200 text-slate-850 shadow-xs'
+                    : 'border-transparent text-slate-650 hover:bg-slate-100 hover:text-slate-800'
                 }`}
               >
                 <Icon className={`w-4 h-4 shrink-0 transition-colors duration-300 ${isActive ? 'text-slate-700' : 'text-slate-500'}`} />
diff --git a/dashboard/src/components/reader/BilingualViewer.tsx b/dashboard/src/components/reader/BilingualViewer.tsx
index 289c82a..00768a5 100644
--- a/dashboard/src/components/reader/BilingualViewer.tsx
+++ b/dashboard/src/components/reader/BilingualViewer.tsx
@@ -12,6 +12,7 @@ import type { StandardPaper, NoteRecord } from '../../types';
 import { NOTE_COLORS, safeSchema } from '../../hooks/useReaderState';
 import { highlightTargetsInMarkdown, type HighlightCandidate, type TargetInfo } from '../../utils/celestial';
 import { parseMarkdownFrontMatter, type PaperMetadata } from '../../utils/paper';
+import { splitParagraphs } from '../../hooks/useSyncScroll';
 
 interface BilingualViewerProps {
   selectedPaper: StandardPaper;
@@ -44,11 +45,11 @@ interface BilingualViewerProps {
 /**
  * 极具学术控制台质感的文献元数据档案（Metadata Dossier）渲染面板
  */
-function PaperMetadataDossier({ metadata, isChinese }: { metadata: PaperMetadata; isChinese?: boolean }) {
+function PaperMetadataDossier({ metadata, isChinese, id }: { metadata: PaperMetadata; isChinese?: boolean; id?: string }) {
   if (!metadata || (!metadata.title && !metadata.author)) return null;
 
   return (
-    <div className="mb-6 rounded-lg p-5 bg-slate-50 border border-slate-200 relative overflow-hidden select-text">
+    <div id={id} className="mb-6 rounded-lg p-5 bg-slate-50 border border-slate-200 relative overflow-hidden select-text">
       {/* 科技风背景线段装饰 - 极细学术边框线 */}
       <div className="absolute top-0 right-0 w-16 h-16 bg-slate-100/50 pointer-events-none border-l border-b border-slate-200/60" />
       
@@ -206,9 +207,9 @@ export function BilingualViewer({
             >
               <div className="prose prose-sm max-w-none leading-relaxed text-slate-800 prose-headings:text-slate-900 prose-headings:font-bold prose-strong:text-slate-900 prose-code:text-sky-700 prose-blockquote:border-slate-300 prose-blockquote:text-slate-500 prose-img:max-w-full prose-img:rounded-lg">
                 {/* 渲染英文元数据档案面板 */}
-                {engMeta && <PaperMetadataDossier metadata={engMeta} isChinese={false} />}
+                {engMeta && <PaperMetadataDossier metadata={engMeta} isChinese={false} id="paragraph-block--1" />}
                 
-                {engPure.split('\n\n').map((para, idx) => {
+                {splitParagraphs(engPure).map((para: string, idx: number) => {
                   const matchedNote = notes.find(n => n.paragraph_index === idx);
                   const highlightStyle = matchedNote ? NOTE_COLORS[matchedNote.highlight_color] : null;
                   return (
@@ -285,9 +286,9 @@ export function BilingualViewer({
             >
               <div className="prose prose-sm max-w-none leading-relaxed text-slate-800 prose-headings:text-slate-900 prose-strong:text-slate-900 prose-code:text-sky-700 prose-blockquote:border-slate-350 prose-img:max-w-full prose-img:rounded-lg">
                 {/* 渲染中文元数据档案面板 */}
-                {mergedChnMeta && <PaperMetadataDossier metadata={mergedChnMeta} isChinese={true} />}
+                {mergedChnMeta && <PaperMetadataDossier metadata={mergedChnMeta} isChinese={true} id="paragraph-block--1" />}
                 
-                {chnPure.split('\n\n').map((para, idx) => (
+                {splitParagraphs(chnPure).map((para: string, idx: number) => (
                   <div
                     key={idx}
                     id={`paragraph-block-${idx}`}
diff --git a/dashboard/src/components/sync/BatchPipelineCard.tsx b/dashboard/src/components/sync/BatchPipelineCard.tsx
index a3b2bf8..7d4533d 100644
--- a/dashboard/src/components/sync/BatchPipelineCard.tsx
+++ b/dashboard/src/components/sync/BatchPipelineCard.tsx
@@ -73,7 +73,7 @@ export function BatchPipelineCard({
           <CustomSelect
             value={targetPhase}
             disabled={batchStatus.active}
-            onChange={val => setTargetPhase(val as any)}
+            onChange={val => setTargetPhase(val as 'download' | 'parse' | 'translate' | 'embed' | 'target')}
             className="w-full"
             options={[
               { value: 'download', label: '下载' },
@@ -101,7 +101,7 @@ export function BatchPipelineCard({
           <CustomSelect
             value={sortOrder}
             disabled={batchStatus.active}
-            onChange={val => setSortOrder(val as any)}
+            onChange={val => setSortOrder(val as 'default' | 'pub_year_desc' | 'created_at_desc')}
             className="w-full"
             options={[
               { value: 'default', label: '默认（不指定）' },
diff --git a/dashboard/src/components/sync/MetadataSyncCard.tsx b/dashboard/src/components/sync/MetadataSyncCard.tsx
index ec3ac64..2d7a823 100644
--- a/dashboard/src/components/sync/MetadataSyncCard.tsx
+++ b/dashboard/src/components/sync/MetadataSyncCard.tsx
@@ -88,7 +88,7 @@ export function MetadataSyncCard({
                   key={src.id}
                   type="button"
                   disabled={status.active}
-                  onClick={() => setSource(src.id as any)}
+                  onClick={() => setSource(src.id as 'all' | 'ads' | 'arxiv')}
                   className={`flex-1 py-2 rounded-md text-xs font-bold border transition-all cursor-pointer ${
                     source === src.id
                       ? 'bg-slate-100 border-slate-350 text-slate-855 shadow-2xs'
diff --git a/dashboard/src/hooks/useAuth.ts b/dashboard/src/hooks/useAuth.ts
index 086284a..4e505c8 100644
--- a/dashboard/src/hooks/useAuth.ts
+++ b/dashboard/src/hooks/useAuth.ts
@@ -36,9 +36,10 @@ export function useAuth() {
       await axios.post('/api/auth/login', { password });
       setIsAuthenticated(true);
       setLoginError(null);
-    } catch (err: any) {
+    } catch (err: unknown) {
       console.error('登录校验失败:', err);
-      const errMsg = err.response?.data || '密码错误，请重试。';
+      const axiosError = err as { response?: { data?: string } };
+      const errMsg = axiosError.response?.data || '密码错误，请重试。';
       setLoginError(errMsg);
     } finally {
       setLoggingIn(false);
diff --git a/dashboard/src/hooks/useLibrary.ts b/dashboard/src/hooks/useLibrary.ts
index ccda2f8..06b22ea 100644
--- a/dashboard/src/hooks/useLibrary.ts
+++ b/dashboard/src/hooks/useLibrary.ts
@@ -2,6 +2,7 @@
 import { useState, useEffect } from 'react';
 import axios from 'axios';
 import type { StandardPaper } from '../types';
+import type { TabId } from '../components/layout/Sidebar';
 
 interface UseLibraryProps {
   isAuthenticated: boolean | null;
@@ -46,7 +47,7 @@ export function useLibrary({
 
   const openCitation = (
     paper: StandardPaper,
-    setActiveTab: (tab: any) => void,
+    setActiveTab: (tab: TabId) => void,
     loadCitations: (bibcode: string, reset?: boolean) => void
   ) => {
     setSelectedPaper(paper);
@@ -75,9 +76,27 @@ export function useLibrary({
 
   // 初始化加载本地文献库
   useEffect(() => {
-    if (isAuthenticated === true) {
-      fetchLibrary();
-    }
+    if (isAuthenticated !== true) return;
+    let active = true;
+    (async () => {
+      try {
+        const res = await axios.get<StandardPaper[]>('/api/library');
+        if (!active) return;
+        setLibrary(res.data);
+
+        const lastReadBibcode = localStorage.getItem('last_read_bibcode');
+        if (lastReadBibcode) {
+          const lastReadPaper = res.data.find(p => p.bibcode === lastReadBibcode);
+          if (lastReadPaper) {
+            const initialTab = localStorage.getItem('astro_active_tab') || 'search';
+            openReader(lastReadPaper, initialTab !== 'reader');
+          }
+        }
+      } catch (e) {
+        console.error('加载本地文献库失败', e);
+      }
+    })();
+    return () => { active = false; };
   }, [isAuthenticated]);
 
   // 触发文献双格式下载
@@ -136,9 +155,10 @@ export function useLibrary({
         setSelectedPaper(res.data);
       }
       showAlert('手动文献文件上传导入成功！', '上传成功');
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error('手动文件上传失败', e);
-      const errMsg = e.response?.data || '请确保上传的是合法且完整的文件。';
+      const axiosError = e as { response?: { data?: string } };
+      const errMsg = axiosError.response?.data || '请确保上传的是合法且完整的文件。';
       showAlert(`文件上传失败: ${errMsg}`, '上传出错');
     } finally {
       setUploadingBibcode(null);
@@ -170,9 +190,10 @@ export function useLibrary({
             : '已成功将文献标记为“无全文资源”，后续批量任务将自动跳过！',
           '标记更新'
         );
-      } catch (e: any) {
+      } catch (e: unknown) {
         console.error('标记更新失败', e);
-        const errMsg = e.response?.data || '请稍后重试。';
+        const axiosError = e as { response?: { data?: string } };
+        const errMsg = axiosError.response?.data || '请稍后重试。';
         showAlert(`标记失败: ${errMsg}`, '操作出错');
       }
     };
diff --git a/dashboard/src/hooks/useReaderState.ts b/dashboard/src/hooks/useReaderState.ts
index ea39268..6a3f144 100644
--- a/dashboard/src/hooks/useReaderState.ts
+++ b/dashboard/src/hooks/useReaderState.ts
@@ -47,6 +47,19 @@ export function useReaderState({
 
   const hasMarkdown = !!englishText;
 
+  // 天体识别与 RAG 助手状态
+  const [targets, setTargets] = useState<TargetInfo[]>([]);
+  const [loadingTargets, setLoadingTargets] = useState(false);
+  const [manualTargetName, setManualTargetName] = useState('');
+  const [associatingTarget, setAssociatingTarget] = useState(false);
+  const [identifyingTargets, setIdentifyingTargets] = useState(false);
+
+  const [sidebarTab, setSidebarTab] = useState<'notes' | 'ai'>('notes');
+  const [hoveredTarget, setHoveredTarget] = useState<TargetInfo | null>(null);
+  const [hoverCardPos, setHoverCardPos] = useState<{ x: number; y: number; isAbove?: boolean } | null>(null);
+
+  const hoverTimeout = useRef<ReturnType<typeof setTimeout> | null>(null);
+
   // 绑定双语自适应双轨同步滚动 (方案三)
   const {
     englishRef,
@@ -57,19 +70,6 @@ export function useReaderState({
     if (hoveredTarget) setHoveredTarget(null);
   });
 
-  // 天体识别与 RAG 助手状态
-  const [targets, setTargets] = useState<TargetInfo[]>([]);
-  const [loadingTargets, setLoadingTargets] = useState(false);
-  const [manualTargetName, setManualTargetName] = useState('');
-  const [associatingTarget, setAssociatingTarget] = useState(false);
-  const [identifyingTargets, setIdentifyingTargets] = useState(false);
-  
-  const [sidebarTab, setSidebarTab] = useState<'notes' | 'ai'>('notes');
-  const [hoveredTarget, setHoveredTarget] = useState<TargetInfo | null>(null);
-  const [hoverCardPos, setHoverCardPos] = useState<{ x: number; y: number; isAbove?: boolean } | null>(null);
-  
-  const hoverTimeout = useRef<any>(null);
-
   // 预先计算并缓存天体高亮匹配项
   const highlightCandidates = useMemo(() => {
     return getHighlightCandidates(targets);
@@ -77,23 +77,23 @@ export function useReaderState({
 
   // 获取天体关联列表
   useEffect(() => {
-    const fetchTargets = async () => {
+    if (!selectedPaper?.bibcode) return;
+    let active = true;
+    (async () => {
+      setSidebarTab('notes');
       setLoadingTargets(true);
       try {
         const res = await axios.get<TargetInfo[]>('/api/target/list', {
           params: { bibcode: selectedPaper.bibcode }
         });
-        setTargets(res.data);
+        if (active) setTargets(res.data);
       } catch (e) {
         console.error('获取天体关联列表失败:', e);
       } finally {
-        setLoadingTargets(false);
+        if (active) setLoadingTargets(false);
       }
-    };
-    if (selectedPaper?.bibcode) {
-      fetchTargets();
-      setSidebarTab('notes');
-    }
+    })();
+    return () => { active = false; };
   }, [selectedPaper?.bibcode]);
 
   // 自动从正文中提取天体并查询 CDS Sesame 缓存
diff --git a/dashboard/src/hooks/useResearchAgent.ts b/dashboard/src/hooks/useResearchAgent.ts
index 9c02df2..d0bd3e5 100644
--- a/dashboard/src/hooks/useResearchAgent.ts
+++ b/dashboard/src/hooks/useResearchAgent.ts
@@ -8,17 +8,9 @@ import {
   routeTextDelta,
 } from '../components/agent';
 import type { TimelineItem } from '../components/agent';
+import type { SessionSummary, MessageRecord } from '../types';
 
-export interface SessionSummary {
-  session_id: string;
-  title: string;
-  model: string;
-  mode: string;
-  turn_count: number;
-  summary?: string | null;
-  created_at: string;
-  updated_at: string;
-}
+export type { SessionSummary, MessageRecord } from '../types';
 
 export interface SearchResult {
   result_type: string;
@@ -28,30 +20,6 @@ export interface SearchResult {
   created_at?: string | null;
 }
 
-export interface MessageRecord {
-  id: number;
-  agent_name: string;
-  turn_index: number;
-  step_index: number;
-  role: 'system' | 'user' | 'assistant' | 'tool';
-  content: string;
-  thought?: string | null;
-  tool_calls?: ToolCall[] | null;
-  tool_call_id?: string | null;
-  token_count: number;
-  metadata?: any | null;
-  created_at: string;
-}
-
-export interface ToolCall {
-  id: string;
-  type: string;
-  function: {
-    name: string;
-    arguments: string; // JSON string
-  };
-}
-
 export interface ActiveTurn {
   question: string;
   imagePath?: string;
@@ -202,23 +170,30 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
 
   // 初始化加载
   useEffect(() => {
-    fetchSessions(false);
-
-    const fetchModes = async () => {
+    let active = true;
+    (async () => {
       try {
-        const res = await axios.get<AgentMode[]>('/api/chat/modes');
-        setAgentModes(res.data);
-      } catch (e) {
-        console.error('获取 Agent 运行模式列表失败:', e);
-        // Fallback in case of API failure for resilience
-        setAgentModes([
-          { id: 'default', name: '默认', icon: 'Brain', description: '通用天体物理学研究助手，自主判断搜索、阅读或计算' },
-          { id: 'deep-research', name: '深度', icon: 'Compass', description: '多来源系统性文献调研与交叉验证，适合撰写综述' },
-          { id: 'literature-reader', name: '精读', icon: 'BookOpen', description: '专注论文精读、翻译与笔记提炼，强制只读安全模式' },
+        setLoadingSessions(true);
+        const [sessionsRes, modesRes] = await Promise.all([
+          axios.get<SessionSummary[]>('/api/chat/sessions'),
+          axios.get<AgentMode[]>('/api/chat/modes').catch(() => ({
+            data: [
+              { id: 'default', name: '默认', icon: 'Brain', description: '通用天体物理学研究助手，自主判断搜索、阅读或计算' },
+              { id: 'deep-research', name: '深度', icon: 'Compass', description: '多来源系统性文献调研与交叉验证，适合撰写综述' },
+              { id: 'literature-reader', name: '精读', icon: 'BookOpen', description: '专注论文精读、翻译与笔记提炼，强制只读安全模式' },
+            ] as AgentMode[],
+          })),
         ]);
+        if (!active) return;
+        setSessions(sessionsRes.data);
+        setAgentModes(modesRes.data);
+      } catch (e) {
+        console.error('初始化 Agent 数据失败:', e);
+      } finally {
+        if (active) setLoadingSessions(false);
       }
-    };
-    fetchModes();
+    })();
+    return () => { active = false; };
   }, []);
 
   // 加载选中的会话历史消息
@@ -275,28 +250,31 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
 
   // 会话切换监听
   useEffect(() => {
+    let active = true;
     if (currentSessionId) {
       if (skipNextHistoryLoadRef.current) {
         skipNextHistoryLoadRef.current = false;
       } else {
-        loadSessionHistory(currentSessionId);
+        loadSessionHistory(currentSessionId, true);
       }
     } else {
-      setMessages([]);
+      queueMicrotask(() => { if (active) setMessages([]); });
     }
+    return () => { active = false; };
   }, [currentSessionId]);
 
   // 跨会话历史检索防抖逻辑
   useEffect(() => {
     if (!searchQuery.trim()) {
-      setSearchResults([]);
+      queueMicrotask(() => setSearchResults([]));
       return;
     }
 
+    let active = true;
     const delayDebounceFn = setTimeout(async () => {
       setLoadingSearch(true);
       try {
-        const params: Record<string, any> = {
+        const params: Record<string, string | number | boolean> = {
           q: searchQuery,
           scope: 'all',
           limit: 30,
@@ -307,7 +285,7 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
         const res = await axios.get<SearchResult[]>('/api/search/history', {
           params,
         });
-        setSearchResults(res.data);
+        if (active) setSearchResults(res.data);
       } catch (e) {
         console.error('搜索会话历史失败:', e);
       } finally {
@@ -315,7 +293,10 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
       }
     }, 300);
 
-    return () => clearTimeout(delayDebounceFn);
+    return () => {
+      active = false;
+      clearTimeout(delayDebounceFn);
+    };
   }, [searchQuery, searchScopeOnlyCurrent, currentSessionId]);
 
   // 新建会话
@@ -384,8 +365,9 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
         // 重新加载会话（静默刷新，避免闪烁）
         loadSessionHistory(currentSessionId, true);
         fetchSessions(); // 更新侧栏 turn_count
-      } catch (e: any) {
-        const errMsg = `回退失败: ${e.response?.data || e.message}`;
+      } catch (e: unknown) {
+        const axiosError = e as { response?: { data?: string }; message?: string };
+        const errMsg = `回退失败: ${axiosError.response?.data || axiosError.message || '未知错误'}`;
         if (showAlert) {
           showAlert(errMsg, '错误');
         } else {
@@ -428,8 +410,9 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
           alert(msg);
         }
       }
-    } catch (e: any) {
-      const errMsg = `恢复失败: ${e.response?.data || e.message}`;
+    } catch (e: unknown) {
+      const axiosError = e as { response?: { data?: string }; message?: string };
+      const errMsg = `恢复失败: ${axiosError.response?.data || axiosError.message || '未知错误'}`;
       if (showAlert) {
         showAlert(errMsg, '错误');
       } else {
@@ -456,8 +439,9 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
         // 刷新列表并选中新的分叉会话
         await fetchSessions();
         setCurrentSessionId(res.data.branch_session_id);
-      } catch (e: any) {
-        const errMsg = `分叉失败: ${e.response?.data || e.message}`;
+      } catch (e: unknown) {
+        const axiosError = e as { response?: { data?: string }; message?: string };
+        const errMsg = `分叉失败: ${axiosError.response?.data || axiosError.message || '未知错误'}`;
         if (showAlert) {
           showAlert(errMsg, '错误');
         } else {
@@ -510,8 +494,9 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
 
         // 触发自动重发
         handleSend(questionText);
-      } catch (e: any) {
-        const errMsg = `重试失败: ${e.response?.data || e.message}`;
+      } catch (e: unknown) {
+        const axiosError = e as { response?: { data?: string }; message?: string };
+        const errMsg = `重试失败: ${axiosError.response?.data || axiosError.message || '未知错误'}`;
         if (showAlert) {
           showAlert(errMsg, '错误');
         } else {
@@ -704,9 +689,10 @@ export function useResearchAgent({ showConfirm, showAlert }: UseResearchAgentPro
         setActiveTurn(null);
       }
 
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error('智能体对话请求失败:', e);
-      setActiveTurn(prev => prev ? { ...prev, error: e.message || '网络连接错误，请稍后重试' } : null);
+      const error = e instanceof Error ? e : new Error('未知错误');
+      setActiveTurn(prev => prev ? { ...prev, error: error.message || '网络连接错误，请稍后重试' } : null);
       setStreaming(false);
     }
   };
@@ -790,7 +776,7 @@ function groupMessagesIntoTurns(messages: MessageRecord[]): ProcessedTurn[] {
 
   const subByAgent = new Map<string, MessageRecord[]>();
   for (const sm of subMessages) {
-    const key = sm.metadata?.agent || sm.agent_name || 'unknown';
+    const key = (sm.metadata?.agent as string) || sm.agent_name || 'unknown';
     if (!subByAgent.has(key)) subByAgent.set(key, []);
     subByAgent.get(key)!.push(sm);
   }
@@ -841,11 +827,11 @@ function groupMessagesIntoTurns(messages: MessageRecord[]): ProcessedTurn[] {
           }
         }
         for (const tc of msg.tool_calls!) {
-          let parsedArgs = {};
+          let parsedArgs: Record<string, unknown> = {};
           try {
             parsedArgs = typeof tc.function.arguments === 'string'
               ? JSON.parse(tc.function.arguments)
-              : tc.function.arguments;
+              : tc.function.arguments as Record<string, unknown>;
           } catch { /* ignore */ }
           turn.timeline.push({
             type: 'tool_call',
@@ -912,11 +898,11 @@ function groupMessagesIntoTurns(messages: MessageRecord[]): ProcessedTurn[] {
                 }
               }
               for (const tc of msg.tool_calls!) {
-                let parsedArgs = {};
+                let parsedArgs: Record<string, unknown> = {};
                 try {
                   parsedArgs = typeof tc.function.arguments === 'string'
                     ? JSON.parse(tc.function.arguments)
-                    : tc.function.arguments;
+                    : tc.function.arguments as Record<string, unknown>;
                 } catch { /* ignore */ }
                 children.push({
                   type: 'tool_call',
diff --git a/dashboard/src/hooks/useSyncScroll.ts b/dashboard/src/hooks/useSyncScroll.ts
index 67c276f..fa01641 100644
--- a/dashboard/src/hooks/useSyncScroll.ts
+++ b/dashboard/src/hooks/useSyncScroll.ts
@@ -3,6 +3,17 @@
 
 import { useRef, useCallback } from 'react';
 
+/**
+ * 将 markdown 文本按段落边界拆分为段落数组。
+ * 比简单 split('\n\n') 更健壮：连续空行合并、首尾空段落去除。
+ */
+export function splitParagraphs(text: string): string[] {
+  if (!text.trim()) return [];
+  // 按 2 个以上连续换行拆分，然后过滤空段落
+  const raw = text.split(/\n{2,}/);
+  return raw.filter(p => p.trim().length > 0);
+}
+
 export function useSyncScroll(
   syncScroll: boolean,
   viewMode: 'bilingual' | 'english' | 'chinese',
@@ -14,11 +25,10 @@ export function useSyncScroll(
   const chineseRef = useRef<HTMLDivElement>(null);
   const scrollLock = useRef(false);
 
-  // 英文滚动同步到中文
   const handleEnglishScroll = useCallback(() => {
     if (!syncScroll || viewMode !== 'bilingual') return;
     if (scrollLock.current) return;
-    
+
     if (onScrollStart) onScrollStart();
 
     const eng = englishRef.current;
@@ -27,94 +37,113 @@ export function useSyncScroll(
 
     scrollLock.current = true;
 
-    // ── 判定是否执行全局比例映射 ──
-    if (showPdf || !hasMarkdown) {
-      const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
-      chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
-      requestAnimationFrame(() => {
-        scrollLock.current = false;
-      });
-      return;
-    }
-
-    // ── 执行高精度段落锚定与局部微调算法 ──
     try {
-      const engParas = eng.querySelectorAll('[id^="paragraph-block-"]');
-      if (engParas.length === 0) {
-        // 鲁棒性退后兜底：若没有获取到任何段落 DOM，执行全局比例映射
+      // ── PDF / 无 Markdown → 全局比例映射 ──
+      if (showPdf || !hasMarkdown) {
         const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
         chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
-      } else {
-        // 1. 计算 15% 虚拟视窗分界线的高度位置
-        const threshold = eng.scrollTop + eng.clientHeight * 0.15;
-        
-        // 2. 遍历源端段落，寻找当前穿过分界线的活动锚点段落
-        let anchorIndex = -1;
-        let anchorElement: HTMLElement | null = null;
-        
+        return;
+      }
+
+      const engParas = eng.querySelectorAll('[id^="paragraph-block-"]');
+      const chnParas = chn.querySelectorAll('[id^="paragraph-block-"]');
+
+      if (engParas.length === 0 || chnParas.length === 0) {
+        const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
+        chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
+        return;
+      }
+
+      // 1. 15% 虚拟视窗分界线
+      const threshold = eng.scrollTop + eng.clientHeight * 0.15;
+
+      // 2. 寻找源端锚点段落
+      let anchorIndex = -1;
+      for (let i = 0; i < engParas.length; i++) {
+        const el = engParas[i] as HTMLElement;
+        if (el.offsetTop <= threshold && el.offsetTop + el.offsetHeight >= threshold) {
+          anchorIndex = i;
+          break;
+        }
+      }
+
+      // 3. 边界兜底：找距离 threshold 最近的段落
+      if (anchorIndex === -1) {
+        let minDist = Infinity;
         for (let i = 0; i < engParas.length; i++) {
           const el = engParas[i] as HTMLElement;
-          if (el.offsetTop <= threshold && el.offsetTop + el.offsetHeight >= threshold) {
+          const mid = el.offsetTop + el.offsetHeight / 2;
+          const dist = Math.abs(mid - threshold);
+          if (dist < minDist) {
+            minDist = dist;
             anchorIndex = i;
-            anchorElement = el;
-            break;
           }
         }
+      }
 
-        // 3. 边界兜底：若没有完美契合的活动段落
-        if (anchorIndex === -1) {
-          if (threshold < (engParas[0] as HTMLElement).offsetTop) {
-            // 比第一段还靠上，锚定第 0 段
-            anchorIndex = 0;
-            anchorElement = engParas[0] as HTMLElement;
-          } else {
-            // 已经滚过了最后一段，锚定最后一段
-            anchorIndex = engParas.length - 1;
-            anchorElement = engParas[engParas.length - 1] as HTMLElement;
-          }
+      const anchorElement = engParas[anchorIndex] as HTMLElement;
+      const offsetTop = anchorElement.offsetTop;
+      const offsetHeight = anchorElement.offsetHeight || 1;
+      const localRatio = Math.max(0, Math.min(1, (threshold - offsetTop) / offsetHeight));
+
+      // 4. 段落对齐映射（用实际段落 ID 的数值索引做映射，跳过 metadata -1）
+      const engParaIds = Array.from(engParas).map(el => {
+        const m = (el as HTMLElement).id.match(/paragraph-block-(.+)/);
+        return m ? parseInt(m[1], 10) : -1;
+      });
+      const chnParaIds = Array.from(chnParas).map(el => {
+        const m = (el as HTMLElement).id.match(/paragraph-block-(.+)/);
+        return m ? parseInt(m[1], 10) : -1;
+      });
+
+      const anchorParaId = engParaIds[anchorIndex] ?? -1;
+
+      // 用所有元素（含 metadata id=-1）做映射，保证连续性
+      const engTextParas = engParaIds
+        .map((id, idx) => ({ id, idx }));
+      const chnTextParas = chnParaIds
+        .map((id, idx) => ({ id, idx }));
+
+      const engTextIdx = engTextParas.findIndex(x => x.id === anchorParaId);
+      if (engTextIdx < 0 || chnTextParas.length === 0) {
+        const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
+        chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
+        return;
+      }
+
+      // 按段落 ID 做映射：找到目标侧 ID 最接近的段落
+      let bestTargetIdx = 0;
+      let bestDist = Math.abs(chnTextParas[0].id - anchorParaId);
+      for (let i = 1; i < chnTextParas.length; i++) {
+        const dist = Math.abs(chnTextParas[i].id - anchorParaId);
+        if (dist < bestDist) {
+          bestDist = dist;
+          bestTargetIdx = i;
         }
+      }
 
-        // 4. 计算该段落的局部滚出比例 (LocalRatio)
-        let localRatio = 0;
-        if (anchorElement) {
-          const offsetTop = anchorElement.offsetTop;
-          const offsetHeight = anchorElement.offsetHeight || 1;
-          localRatio = (threshold - offsetTop) / offsetHeight;
-          localRatio = Math.max(0, Math.min(1, localRatio)); // 限制在安全浮点数 0~1
-        }
+      const targetPara = chnParas[chnTextParas[bestTargetIdx].idx] as HTMLElement | undefined;
 
-        // 5. 目标端(中文)寻找同索引段落并进行物理锚定
-        const chnParas = chn.querySelectorAll('[id^="paragraph-block-"]');
-        const targetPara = chnParas[anchorIndex] as HTMLElement | undefined;
-
-        if (targetPara) {
-          const targetOffsetTop = targetPara.offsetTop;
-          const targetOffsetHeight = targetPara.offsetHeight;
-          // 目标 scrollTop = 目标段落顶部位置 - 目标容器 15% 分界线偏置 + 局部拉伸偏移
-          const targetScrollTop = targetOffsetTop - chn.clientHeight * 0.15 + localRatio * targetOffsetHeight;
-          
-          const maxScroll = chn.scrollHeight - chn.clientHeight;
-          chn.scrollTop = Math.max(0, Math.min(maxScroll, targetScrollTop));
-        } else {
-          // 极端边界：若两侧段落数不一致导致越界，以全局比例兜底
-          const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
-          chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
-        }
+      if (targetPara) {
+        const targetScrollTop = targetPara.offsetTop - chn.clientHeight * 0.15 + localRatio * targetPara.offsetHeight;
+        const maxScroll = chn.scrollHeight - chn.clientHeight;
+        chn.scrollTop = Math.max(0, Math.min(maxScroll, targetScrollTop));
+      } else {
+        const ratio = eng.scrollTop / (eng.scrollHeight - eng.clientHeight || 1);
+        chn.scrollTop = ratio * (chn.scrollHeight - chn.clientHeight);
       }
     } catch (err) {
       console.error('段落对齐滚动计算失败:', err);
     } finally {
-      requestAnimationFrame(() => {
-        scrollLock.current = false;
-      });
+      // scrollTop 赋值是同步的，直接释放 lock 即可，无需 rAF
+      scrollLock.current = false;
     }
   }, [syncScroll, viewMode, showPdf, hasMarkdown, onScrollStart]);
 
-  // 中文滚动同步到英文
   const handleChineseScroll = useCallback(() => {
     if (!syncScroll || viewMode !== 'bilingual') return;
     if (scrollLock.current) return;
-    
+
     if (onScrollStart) onScrollStart();
 
     const eng = englishRef.current;
@@ -123,81 +152,101 @@ export function useSyncScroll(
 
     scrollLock.current = true;
 
-    // ── 判定是否执行全局比例映射 ──
-    if (showPdf || !hasMarkdown) {
-      const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
-      eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
-      requestAnimationFrame(() => {
-        scrollLock.current = false;
-      });
-      return;
-    }
-
-    // ── 执行高精度段落锚定与局部微调算法 ──
     try {
-      const chnParas = chn.querySelectorAll('[id^="paragraph-block-"]');
-      if (chnParas.length === 0) {
+      if (showPdf || !hasMarkdown) {
         const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
         eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
-      } else {
-        // 1. 计算 15% 虚拟视窗分界线的高度位置
-        const threshold = chn.scrollTop + chn.clientHeight * 0.15;
-        
-        // 2. 遍历源端段落，寻找当前活动锚点段落
-        let anchorIndex = -1;
-        let anchorElement: HTMLElement | null = null;
-        
+        return;
+      }
+
+      const engParas = eng.querySelectorAll('[id^="paragraph-block-"]');
+      const chnParas = chn.querySelectorAll('[id^="paragraph-block-"]');
+
+      if (engParas.length === 0 || chnParas.length === 0) {
+        const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
+        eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
+        return;
+      }
+
+      const threshold = chn.scrollTop + chn.clientHeight * 0.15;
+
+      let anchorIndex = -1;
+      for (let i = 0; i < chnParas.length; i++) {
+        const el = chnParas[i] as HTMLElement;
+        if (el.offsetTop <= threshold && el.offsetTop + el.offsetHeight >= threshold) {
+          anchorIndex = i;
+          break;
+        }
+      }
+
+      // 3. 边界兜底：找距离 threshold 最近的段落
+      if (anchorIndex === -1) {
+        let minDist = Infinity;
         for (let i = 0; i < chnParas.length; i++) {
           const el = chnParas[i] as HTMLElement;
-          if (el.offsetTop <= threshold && el.offsetTop + el.offsetHeight >= threshold) {
+          const mid = el.offsetTop + el.offsetHeight / 2;
+          const dist = Math.abs(mid - threshold);
+          if (dist < minDist) {
+            minDist = dist;
             anchorIndex = i;
-            anchorElement = el;
-            break;
           }
         }
+      }
 
-        // 3. 边界兜底
-        if (anchorIndex === -1) {
-          if (threshold < (chnParas[0] as HTMLElement).offsetTop) {
-            anchorIndex = 0;
-            anchorElement = chnParas[0] as HTMLElement;
-          } else {
-            anchorIndex = chnParas.length - 1;
-            anchorElement = chnParas[chnParas.length - 1] as HTMLElement;
-          }
+      const anchorElement = chnParas[anchorIndex] as HTMLElement;
+      const offsetTop = anchorElement.offsetTop;
+      const offsetHeight = anchorElement.offsetHeight || 1;
+      const localRatio = Math.max(0, Math.min(1, (threshold - offsetTop) / offsetHeight));
+
+      // 按段落 ID 做映射
+      const engParaIds = Array.from(engParas).map(el => {
+        const m = (el as HTMLElement).id.match(/paragraph-block-(.+)/);
+        return m ? parseInt(m[1], 10) : -1;
+      });
+      const chnParaIds = Array.from(chnParas).map(el => {
+        const m = (el as HTMLElement).id.match(/paragraph-block-(.+)/);
+        return m ? parseInt(m[1], 10) : -1;
+      });
+
+      const anchorParaId = chnParaIds[anchorIndex] ?? -1;
+
+      // 用所有元素（含 metadata id=-1）做映射，保证连续性
+      const engTextParas = engParaIds
+        .map((id, idx) => ({ id, idx }));
+      const chnTextParas = chnParaIds
+        .map((id, idx) => ({ id, idx }));
+
+      const chnTextIdx = chnTextParas.findIndex(x => x.id === anchorParaId);
+      if (chnTextIdx < 0 || engTextParas.length === 0) {
+        const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
+        eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
+        return;
+      }
+
+      let bestTargetIdx = 0;
+      let bestDist = Math.abs(engTextParas[0].id - anchorParaId);
+      for (let i = 1; i < engTextParas.length; i++) {
+        const dist = Math.abs(engTextParas[i].id - anchorParaId);
+        if (dist < bestDist) {
+          bestDist = dist;
+          bestTargetIdx = i;
         }
+      }
 
-        // 4. 计算该段落的局部滚出比例 (LocalRatio)
-        let localRatio = 0;
-        if (anchorElement) {
-          const offsetTop = anchorElement.offsetTop;
-          const offsetHeight = anchorElement.offsetHeight || 1;
-          localRatio = (threshold - offsetTop) / offsetHeight;
-          localRatio = Math.max(0, Math.min(1, localRatio));
-        }
+      const targetPara = engParas[engTextParas[bestTargetIdx].idx] as HTMLElement | undefined;
 
-        // 5. 目标端(英文)寻找同索引段落并进行物理锚定
-        const engParas = eng.querySelectorAll('[id^="paragraph-block-"]');
-        const targetPara = engParas[anchorIndex] as HTMLElement | undefined;
-
-        if (targetPara) {
-          const targetOffsetTop = targetPara.offsetTop;
-          const targetOffsetHeight = targetPara.offsetHeight;
-          const targetScrollTop = targetOffsetTop - eng.clientHeight * 0.15 + localRatio * targetOffsetHeight;
-          
-          const maxScroll = eng.scrollHeight - eng.clientHeight;
-          eng.scrollTop = Math.max(0, Math.min(maxScroll, targetScrollTop));
-        } else {
-          const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
-          eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
-        }
+      if (targetPara) {
+        const targetScrollTop = targetPara.offsetTop - eng.clientHeight * 0.15 + localRatio * targetPara.offsetHeight;
+        const maxScroll = eng.scrollHeight - eng.clientHeight;
+        eng.scrollTop = Math.max(0, Math.min(maxScroll, targetScrollTop));
+      } else {
+        const ratio = chn.scrollTop / (chn.scrollHeight - chn.clientHeight || 1);
+        eng.scrollTop = ratio * (eng.scrollHeight - eng.clientHeight);
       }
     } catch (err) {
       console.error('段落对齐滚动计算失败:', err);
     } finally {
-      requestAnimationFrame(() => {
-        scrollLock.current = false;
-      });
+      scrollLock.current = false;
     }
   }, [syncScroll, viewMode, showPdf, hasMarkdown, onScrollStart]);
 
@@ -206,5 +255,6 @@ export function useSyncScroll(
     chineseRef,
     handleEnglishScroll,
     handleChineseScroll,
+    splitParagraphs,
   };
 }
diff --git a/dashboard/src/hooks/useSyncState.ts b/dashboard/src/hooks/useSyncState.ts
index 23fae7a..2345746 100644
--- a/dashboard/src/hooks/useSyncState.ts
+++ b/dashboard/src/hooks/useSyncState.ts
@@ -38,7 +38,7 @@ export function useSyncState() {
   });
   const [errorMsg, setErrorMsg] = useState<string | null>(null);
   const [syncQueries, setSyncQueries] = useState<SavedSyncQuery[]>([]);
-  const pollIntervalRef = useRef<any>(null);
+  const pollIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
 
   // 批量下载与解析相关状态
   const [targetPhase, setTargetPhase] = useState<'download' | 'parse' | 'translate' | 'embed' | 'target'>('download');
@@ -60,7 +60,7 @@ export function useSyncState() {
     logs: [],
   });
   const [batchError, setBatchError] = useState<string | null>(null);
-  const batchPollIntervalRef = useRef<any>(null);
+  const batchPollIntervalRef = useRef<ReturnType<typeof setInterval> | null>(null);
   const logsContainerRef = useRef<HTMLDivElement | null>(null);
 
   const [showBuilder, setShowBuilder] = useState(false);
@@ -70,20 +70,17 @@ export function useSyncState() {
 
   // 当高级表单规则变化时，自动更新同步输入框的检索式
   const updateQueryFromRules = (currentRules: typeof rules) => {
-    let qParts: string[] = [];
+    const qParts: string[] = [];
     currentRules.forEach((rule, idx) => {
       if (!rule.val.trim()) return;
       let valStr = rule.val.trim();
       if (valStr.includes(' ') && !valStr.startsWith('"') && !valStr.startsWith('(')) {
         valStr = `"${valStr}"`;
       }
-      
-      let fieldPart = '';
-      if (rule.field !== 'all') {
-        fieldPart = `${rule.field}:${valStr}`;
-      } else {
-        fieldPart = valStr;
-      }
+
+      const fieldPart = rule.field !== 'all'
+        ? `${rule.field}:${valStr}`
+        : valStr;
 
       if (idx === 0) {
         qParts.push(fieldPart);
@@ -131,7 +128,8 @@ export function useSyncState() {
 
   const handleReuseQuery = (sq: SavedSyncQuery) => {
     setQuery(sq.query);
-    setSource(sq.source as any);
+    const validSources = ['all', 'ads', 'arxiv'] as const;
+    setSource(validSources.includes(sq.source as typeof validSources[number]) ? sq.source as typeof validSources[number] : 'all');
     setLimit(sq.limit_count);
   };
 
@@ -143,7 +141,7 @@ export function useSyncState() {
       ...prev,
       active: true,
       query: sq.query,
-      source: sq.source as any,
+      source: sq.source,
       synced: 0,
       total: sq.limit_count,
     }));
@@ -157,17 +155,20 @@ export function useSyncState() {
       });
       fetchStatus();
       setTimeout(fetchSyncQueries, 500);
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error(e);
-      setErrorMsg(e.response?.data || '启动快速同步失败。');
+      const axiosError = e as { response?: { data?: string } };
+      setErrorMsg(axiosError.response?.data || '启动快速同步失败。');
       fetchStatus();
     }
   };
 
   // 获取当前的元数据同步状态
   const fetchStatus = async () => {
+    // eslint-disable-next-line react-hooks/purity -- Date.now() is called at invocation time (setInterval/event handlers), not during render
+    const ts = Date.now();
     try {
-      const res = await axios.get<HarvestStatus>(`/api/sync/meta/status?t=${Date.now()}`);
+      const res = await axios.get<HarvestStatus>(`/api/sync/meta/status?t=${ts}`);
       setStatus(res.data);
       if (res.data.active) {
         startPolling();
@@ -190,10 +191,29 @@ export function useSyncState() {
   };
 
   useEffect(() => {
-    fetchStatus();
-    fetchSyncQueries();
-
+    let active = true;
+    (async () => {
+      try {
+        const ts = Date.now();
+        const [statusRes, queriesRes] = await Promise.all([
+          axios.get<HarvestStatus>(`/api/sync/meta/status?t=${ts}`),
+          axios.get<SavedSyncQuery[]>(`/api/sync/queries?t=${ts}`),
+        ]);
+        if (!active) return;
+        setStatus(statusRes.data);
+        setSyncQueries(queriesRes.data);
+        if (statusRes.data.active) {
+          startPolling();
+        } else if (pollIntervalRef.current) {
+          clearInterval(pollIntervalRef.current);
+          pollIntervalRef.current = null;
+        }
+      } catch (e) {
+        console.error('初始化同步状态失败', e);
+      }
+    })();
     return () => {
+      active = false;
       if (pollIntervalRef.current) {
         clearInterval(pollIntervalRef.current);
       }
@@ -202,8 +222,10 @@ export function useSyncState() {
 
   // 批量下载与解析相关的网络操作
   const fetchBatchStatus = async () => {
+    // eslint-disable-next-line react-hooks/purity -- Date.now() is called at invocation time (setInterval/event handlers), not during render
+    const ts = Date.now();
     try {
-      const res = await axios.get<BatchStatus>(`/api/batch/asset/status?t=${Date.now()}`);
+      const res = await axios.get<BatchStatus>(`/api/batch/asset/status?t=${ts}`);
       setBatchStatus(res.data);
       if (res.data.active) {
         startBatchPolling();
@@ -235,9 +257,10 @@ export function useSyncState() {
       });
       fetchBatchStatus();
       startBatchPolling();
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error(e);
-      setBatchError(e.response?.data || '启动批量任务失败。');
+      const axiosError = e as { response?: { data?: string } };
+      setBatchError(axiosError.response?.data || '启动批量任务失败。');
     }
   };
 
@@ -245,16 +268,33 @@ export function useSyncState() {
     try {
       await axios.post('/api/batch/asset/stop');
       fetchBatchStatus();
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error(e);
-      setBatchError(e.response?.data || '停止任务失败。');
+      const axiosError = e as { response?: { data?: string } };
+      setBatchError(axiosError.response?.data || '停止任务失败。');
     }
   };
 
   useEffect(() => {
-    fetchBatchStatus();
-
+    let active = true;
+    (async () => {
+      try {
+        const ts = Date.now();
+        const res = await axios.get<BatchStatus>(`/api/batch/asset/status?t=${ts}`);
+        if (!active) return;
+        setBatchStatus(res.data);
+        if (res.data.active) {
+          startBatchPolling();
+        } else if (batchPollIntervalRef.current) {
+          clearInterval(batchPollIntervalRef.current);
+          batchPollIntervalRef.current = null;
+        }
+      } catch (e) {
+        console.error('初始化批量状态失败', e);
+      }
+    })();
     return () => {
+      active = false;
       if (batchPollIntervalRef.current) {
         clearInterval(batchPollIntervalRef.current);
       }
@@ -286,9 +326,10 @@ export function useSyncState() {
         params: { q: query.trim(), source }
       });
       setEstimatedCount(res.data.total);
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error(e);
-      setErrorMsg(e.response?.data || '估算文献总量失败，请检查 API 密钥或网络。');
+      const axiosError = e as { response?: { data?: string } };
+      setErrorMsg(axiosError.response?.data || '估算文献总量失败，请检查 API 密钥或网络。');
     } finally {
       setEstimating(false);
     }
@@ -320,9 +361,10 @@ export function useSyncState() {
       });
       fetchStatus();
       setTimeout(fetchSyncQueries, 500);
-    } catch (e: any) {
+    } catch (e: unknown) {
       console.error(e);
-      setErrorMsg(e.response?.data || '启动元数据同步任务失败。');
+      const axiosError = e as { response?: { data?: string } };
+      setErrorMsg(axiosError.response?.data || '启动元数据同步任务失败。');
       fetchStatus();
     }
   };
diff --git a/dashboard/src/pages/ReaderPanel.tsx b/dashboard/src/pages/ReaderPanel.tsx
index 8cb0db4..4f5c8c6 100644
--- a/dashboard/src/pages/ReaderPanel.tsx
+++ b/dashboard/src/pages/ReaderPanel.tsx
@@ -1,5 +1,5 @@
 // dashboard/src/features/reader/ReaderPanel.tsx
-import { useState } from 'react';
+import { useState, useEffect } from 'react';
 import type { StandardPaper, NoteRecord } from '../types';
 import { useReaderState } from '../hooks/useReaderState';
 import { ReaderToolbar } from '../components/reader/ReaderToolbar';
@@ -74,15 +74,39 @@ export function ReaderPanel(props: ReaderPanelProps) {
     if (typeof window !== 'undefined' && window.innerWidth < 768) {
       return 'english';
     }
+    if (!chineseText) {
+      return 'english';
+    }
     return 'bilingual';
   });
 
+  // 无翻译时强制回退到英文模式，有翻译时自动切换到双语对照
+  const [userOverrode, setUserOverrode] = useState(false);
+  useEffect(() => {
+    if (userOverrode) return;
+    if (!chineseText && viewMode === 'bilingual') {
+      queueMicrotask(() => setViewMode('english'));
+    } else if (chineseText && viewMode === 'english') {
+      queueMicrotask(() => setViewMode('bilingual'));
+    }
+  }, [chineseText]);
+
+  const handleViewModeChange = (mode: 'bilingual' | 'english' | 'chinese') => {
+    setUserOverrode(true);
+    setViewMode(mode);
+  };
+
+  // 切换文献时重置用户手动覆盖标记
+  useEffect(() => {
+    queueMicrotask(() => setUserOverrode(false));
+  }, [selectedPaper?.bibcode]);
+
   // 调用封装后的阅读器逻辑状态 Hook
   const state = useReaderState({
     selectedPaper,
     englishText,
     viewMode,
-    setViewMode,
+    setViewMode: handleViewModeChange,
   });
 
   return (
@@ -108,7 +132,7 @@ export function ReaderPanel(props: ReaderPanelProps) {
         showSwitchMenu={state.showSwitchMenu}
         setShowSwitchMenu={state.setShowSwitchMenu}
         viewMode={viewMode}
-        setViewMode={setViewMode}
+        setViewMode={handleViewModeChange}
         syncScroll={state.syncScroll}
         setSyncScroll={state.setSyncScroll}
         showPdf={state.showPdf}
diff --git a/dashboard/src/pages/SearchPanel.tsx b/dashboard/src/pages/SearchPanel.tsx
index 1b6f4e4..90201d2 100644
--- a/dashboard/src/pages/SearchPanel.tsx
+++ b/dashboard/src/pages/SearchPanel.tsx
@@ -75,20 +75,17 @@ export function SearchPanel({
   ]);
 
   const updateQueryFromRules = (currentRules: typeof rules) => {
-    let qParts: string[] = [];
+    const qParts: string[] = [];
     currentRules.forEach((rule, idx) => {
       if (!rule.val.trim()) return;
       let valStr = rule.val.trim();
       if (valStr.includes(' ') && !valStr.startsWith('"') && !valStr.startsWith('(')) {
         valStr = `"${valStr}"`;
       }
-      
-      let fieldPart = '';
-      if (rule.field !== 'all') {
-        fieldPart = `${rule.field}:${valStr}`;
-      } else {
-        fieldPart = valStr;
-      }
+
+      const fieldPart = rule.field !== 'all'
+        ? `${rule.field}:${valStr}`
+        : valStr;
 
       if (idx === 0) {
         qParts.push(fieldPart);
@@ -181,7 +178,7 @@ export function SearchPanel({
                     {idx > 0 ? (
                       <CustomSelect
                         value={rule.op}
-                        onChange={val => handleRuleChange(idx, 'op', val)}
+                        onChange={val => handleRuleChange(idx, 'op', String(val))}
                         className="w-24"
                         options={[
                           { value: 'AND', label: '并且 (AND)' },
@@ -195,7 +192,7 @@ export function SearchPanel({
 
                     <CustomSelect
                       value={rule.field}
-                      onChange={val => handleRuleChange(idx, 'field', val)}
+                      onChange={val => handleRuleChange(idx, 'field', String(val))}
                       className="w-32"
                       options={[
                         { value: 'all', label: '任意字段' },
@@ -258,7 +255,7 @@ export function SearchPanel({
                     type="radio"
                     name="searchSource"
                     checked={searchSource === src.id}
-                    onChange={() => setSearchSource(src.id as any)}
+                    onChange={() => setSearchSource(src.id as 'all' | 'ads' | 'arxiv')}
                     className="accent-slate-700"
                   />
                   <span className={searchSource === src.id ? 'text-slate-900 font-bold' : 'text-slate-500 hover:text-slate-700'}>
diff --git a/dashboard/src/pages/SettingsPanel.tsx b/dashboard/src/pages/SettingsPanel.tsx
deleted file mode 100644
index 263dd40..0000000
--- a/dashboard/src/pages/SettingsPanel.tsx
+++ /dev/null
@@ -1,25 +0,0 @@
-// dashboard/src/features/settings/SettingsPanel.tsx
-
-export function SettingsPanel() {
-  return (
-    <div className="max-w-3xl mx-auto space-y-6">
-      <div>
-        <h2 className="text-lg font-bold text-slate-800">系统设置</h2>
-        <p className="text-xs text-slate-500">AstroResearch 核心系统运行参数配置</p>
-      </div>
-
-      <div className="console-panel p-6 rounded-lg space-y-6">
-        <div className="border-b border-slate-200 pb-4">
-          <h3 className="text-sm font-semibold text-slate-800 mb-1">配置文件 (.env) 运作模式</h3>
-          <p className="text-xs text-slate-500 leading-relaxed">
-            依据实施方案，所有的 API 密钥及鉴权 Token 统一保存在项目根目录下的 <code className="text-xs text-blueprint font-semibold bg-slate-50 border border-slate-200 px-1 py-0.5 rounded">.env</code> 配置文件中，避免在数据库内泄露。
-          </p>
-        </div>
-
-        <div className="bg-slate-50 border border-slate-200 border-l-4 border-l-blueprint p-4 rounded-md text-xs text-slate-700 leading-relaxed">
-          <strong>提示</strong> 系统在后端启动时，会自动创建本地文献库物理目录并向数据库及天文学字典导入缓存。如需使用天文学中英翻译修正，请确保本地 <code className="text-xs text-blueprint font-semibold bg-slate-100 px-1 py-0.5 rounded">/home/fmq/下载/astrodict_241020/astrodict241020_ec.txt</code> 路径文件内容完整可用。
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/dashboard/src/test/setup.ts b/dashboard/src/test/setup.ts
new file mode 100644
index 0000000..7b0828b
--- /dev/null
+++ b/dashboard/src/test/setup.ts
@@ -0,0 +1 @@
+import '@testing-library/jest-dom';
diff --git a/dashboard/src/types/index.ts b/dashboard/src/types/index.ts
index 03db1f5..4e78dd1 100644
--- a/dashboard/src/types/index.ts
+++ b/dashboard/src/types/index.ts
@@ -1,4 +1,4 @@
-// dashboard/src/types.ts
+// dashboard/src/types/index.ts
 
 export interface StandardPaper {
   bibcode: string;
@@ -59,6 +59,7 @@ export interface SessionSummary {
   model: string;
   mode: string;
   turn_count: number;
+  summary?: string | null;
   created_at: string;
   updated_at: string;
 }
@@ -74,7 +75,7 @@ export interface MessageRecord {
   tool_calls?: ToolCall[] | null;
   tool_call_id?: string | null;
   token_count: number;
-  metadata?: any | null;
+  metadata?: Record<string, unknown> | null;
   created_at: string;
 }
 
diff --git a/dashboard/src/utils/celestial.ts b/dashboard/src/utils/celestial.ts
index 0869680..a1adb05 100644
--- a/dashboard/src/utils/celestial.ts
+++ b/dashboard/src/utils/celestial.ts
@@ -102,7 +102,7 @@ export function highlightTargetsInMarkdown(text: string, candidates: HighlightCa
   
   let result = text;
   for (const cand of candidates) {
-    const escaped = cand.name.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+    const escaped = cand.name.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
     
     // 根据兼容开关决定是否启用宽容的 Unicode 空格正则通配
     const regexStr = ENABLE_LEGACY_UNICODE_SPACE_COMPAT
@@ -112,7 +112,7 @@ export function highlightTargetsInMarkdown(text: string, candidates: HighlightCa
     const regex = new RegExp(`\\b(${regexStr})\\b`, 'gi');
     
     // 按 HTML 标签、LaTeX 行内/块级公式、Markdown 链接进行切片
-    const parts = result.split(/(<[^>]+>|\$\$[\s\S]*?\ $\$|\$[\s\S]*?\$|\[[^\]]*\]\([^\)]*\))/g);
+    const parts = result.split(/(<[^>]+>|\$\$[\s\S]*?\$\$|\$[\s\S]*?\$|\[[^\]]*\]\([^)]*\))/g);
     
     result = parts.map((part) => {
       // 若是标签、公式或 Markdown 链接，则原样返回
diff --git a/dashboard/src/utils/paper.tsx b/dashboard/src/utils/paper.tsx
index c060e03..ef0ef04 100644
--- a/dashboard/src/utils/paper.tsx
+++ b/dashboard/src/utils/paper.tsx
@@ -78,10 +78,10 @@ export function parseMarkdownFrontMatter(markdown: string): {
       let val = line.slice(sepIdx + 1).trim();
 
       // 清理 key 中的 Markdown 粗体/斜体等标记，如 **, *, __, _
-      rawKey = rawKey.replace(/[\*_]/g, '').trim().toLowerCase();
+      rawKey = rawKey.replace(/[*_]/g, '').trim().toLowerCase();
 
       // 清理 val 首尾的 Markdown 粗体/斜体标记（大模型翻译时常在值末尾加加粗符号）
-      val = val.replace(/^[\*_]+|[\*_]+$/g, '').trim();
+      val = val.replace(/^[*_]+|[*_]+$/g, '').trim();
 
       // 去除包裹的字符串双引号或单引号
       if (val.startsWith('"') && val.endsWith('"')) {
diff --git a/dashboard/vitest.config.ts b/dashboard/vitest.config.ts
new file mode 100644
index 0000000..3c6ef38
--- /dev/null
+++ b/dashboard/vitest.config.ts
@@ -0,0 +1,12 @@
+import { defineConfig } from 'vitest/config';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    globals: true,
+    environment: 'jsdom',
+    setupFiles: ['./src/test/setup.ts'],
+    include: ['src/**/*.{test,spec}.{ts,tsx}'],
+  },
+});
diff --git a/src/agent/runtime/executor/mod.rs b/src/agent/runtime/executor/mod.rs
index 5c3835b..c8c344c 100644
--- a/src/agent/runtime/executor/mod.rs
+++ b/src/agent/runtime/executor/mod.rs
@@ -129,7 +129,7 @@ pub async fn execute_parallel(
     app_state: Arc<AppState>,
     hook_registry: &HookRegistry,
     permission_checker: Option<&PermissionChecker>,
-    session_permission_checker: Option<&std::sync::RwLock<PermissionChecker>>,
+    session_permission_checker: Option<&PermissionChecker>,
     denial_tracker: Option<&std::sync::Mutex<DenialTracker>>,
     checkpoint_manager: Option<&std::sync::Arc<CheckpointManager>>,
     tx: &mpsc::UnboundedSender<AgentStreamEvent>,
@@ -336,25 +336,23 @@ pub async fn execute_parallel(
 
             // 会话级权限检查（API 动态添加的规则，优先级高于环境变量规则）
             if let Some(session_checker) = session_permission_checker {
-                if let Ok(checker) = session_checker.read() {
-                    let session_result = checker.check(&prep.tool_name, Some(&prep.args));
-                    // 会话规则结果覆盖或升级
-                    match session_result {
-                        PermissionResult::Denied { reason } => {
-                            // 会话 Deny 强制覆盖
-                            perm_result = PermissionResult::Denied { reason };
-                        }
-                        PermissionResult::AskUser { message } => {
-                            // 会话 Ask 在 Allow 时升级
-                            if perm_result.is_allowed() {
-                                perm_result = PermissionResult::AskUser { message };
-                            }
-                        }
-                        PermissionResult::Allowed => {
-                            // 会话 Allow 仅覆盖 Allowed，保持 Deny/AskUser 不变
-                            // 避免覆盖工具级 check_permissions() 升级的 AskUser
+                let session_result = session_checker.check(&prep.tool_name, Some(&prep.args));
+                // 会话规则结果覆盖或升级
+                match session_result {
+                    PermissionResult::Denied { reason } => {
+                        // 会话 Deny 强制覆盖
+                        perm_result = PermissionResult::Denied { reason };
+                    }
+                    PermissionResult::AskUser { message } => {
+                        // 会话 Ask 在 Allow 时升级
+                        if perm_result.is_allowed() {
+                            perm_result = PermissionResult::AskUser { message };
                         }
                     }
+                    PermissionResult::Allowed => {
+                        // 会话 Allow 仅覆盖 Allowed，保持 Deny/AskUser 不变
+                        // 避免覆盖工具级 check_permissions() 升级的 AskUser
+                    }
                 }
             }
 
diff --git a/src/agent/runtime/mod.rs b/src/agent/runtime/mod.rs
index d632635..0ad0686 100644
--- a/src/agent/runtime/mod.rs
+++ b/src/agent/runtime/mod.rs
@@ -130,10 +130,7 @@ impl AgentRuntime {
                 permission_checker.clone(),
             ),
         ));
-        // 初始化会话级权限检查器（与 AgentRuntime 使用相同的环境变量规则）
-        if let Ok(mut session_checker) = app_state.session_permission_checker.write() {
-            *session_checker = (*permission_checker).clone();
-        }
+        // 会话级权限检查器将在 run_react_loop 中按 session_id 注册
 
         // 视觉模型可用时注册 analyze_image 工具
         if app_state.vision_llm.is_some() {
@@ -202,10 +199,7 @@ impl AgentRuntime {
                 permission_checker.clone(),
             ),
         ));
-        // 初始化会话级权限检查器
-        if let Ok(mut session_checker) = app_state.session_permission_checker.write() {
-            *session_checker = (*permission_checker).clone();
-        }
+        // 会话级权限检查器将在 run_react_loop 中按 session_id 注册
 
         // 视觉模型可用时注册 analyze_image 工具
         if app_state.vision_llm.is_some() {
@@ -497,6 +491,15 @@ impl AgentRuntime {
         let sid = &session_info.session_id;
         let turn_index = session_info.turn_index;
 
+        // 注册当前会话的权限检查器（如不存在则从全局配置初始化）
+        {
+            if let Ok(mut checkers) = self.app_state.session_permission_checkers.write() {
+                checkers
+                    .entry(sid.clone())
+                    .or_insert_with(|| (*self.permission_checker).clone());
+            }
+        }
+
         let tool_defs = self.tool_registry.definitions();
         let mut duplicate_detector = DuplicateDetector::default();
         let mut metrics = AgentMetrics::default();
@@ -867,13 +870,20 @@ impl AgentRuntime {
             }
 
             // 并行执行工具（带权限检查、checkpoint 和分区器）
+            let session_checker_snapshot = {
+                self.app_state
+                    .session_permission_checkers
+                    .read()
+                    .ok()
+                    .and_then(|checkers| checkers.get(sid).cloned())
+            };
             let exec_result = executor::execute_parallel(
                 &prepared_calls,
                 &self.tool_registry,
                 self.app_state.clone(),
                 hook_registry,
                 Some(&self.permission_checker),
-                Some(&self.app_state.session_permission_checker),
+                session_checker_snapshot.as_ref(),
                 Some(&self.denial_tracker),
                 Some(&self.checkpoint_manager),
                 tx,
diff --git a/src/agent/runtime/permission.rs b/src/agent/runtime/permission.rs
index 5fb640a..a791833 100644
--- a/src/agent/runtime/permission.rs
+++ b/src/agent/runtime/permission.rs
@@ -76,6 +76,16 @@ impl PermissionChecker {
         }
     }
 
+    /// 返回当前规则列表的只读引用
+    pub fn rules(&self) -> &[PermissionRule] {
+        &self.rules
+    }
+
+    /// 返回当前权限模式
+    pub fn mode(&self) -> PermissionMode {
+        self.mode
+    }
+
     /// 添加规则。先添加的优先级更高。
     pub fn add_rule(&mut self, rule: PermissionRule) {
         self.rules.push(rule);
diff --git a/src/agent/runtime/streaming_executor.rs b/src/agent/runtime/streaming_executor.rs
index 3b8e08f..4b0b33e 100644
--- a/src/agent/runtime/streaming_executor.rs
+++ b/src/agent/runtime/streaming_executor.rs
@@ -600,12 +600,13 @@ mod tests {
             skill_registry: Arc::new(RwLock::new(SkillRegistry::new(PathBuf::from("/tmp/sk")))),
             pending_questions: Arc::new(Mutex::new(std::collections::HashMap::new())),
             pending_permissions: Arc::new(Mutex::new(std::collections::HashMap::new())),
-            session_permission_checker: Arc::new(RwLock::new(PermissionChecker::new())),
+            session_permission_checkers: Arc::new(RwLock::new(std::collections::HashMap::new())),
             sse_broadcast: None,
             memory_manager: Arc::new(tokio::sync::Mutex::new(MemoryManager::new(PathBuf::from(
                 "/tmp/test_mem",
             )))),
             sessions: Arc::new(Mutex::new(std::collections::HashMap::new())),
+            login_rate_limiter: Arc::new(Mutex::new(std::collections::HashMap::new())),
         });
 
         ToolContext::new(app_state)
diff --git a/src/agent/tools/todo.rs b/src/agent/tools/todo.rs
index 80b905a..a73d6d2 100644
--- a/src/agent/tools/todo.rs
+++ b/src/agent/tools/todo.rs
@@ -268,14 +268,13 @@ mod tests {
             ))),
             pending_questions: Arc::new(Mutex::new(std::collections::HashMap::new())),
             pending_permissions: Arc::new(Mutex::new(std::collections::HashMap::new())),
-            session_permission_checker: Arc::new(RwLock::new(
-                crate::agent::runtime::permission::PermissionChecker::new(),
-            )),
+            session_permission_checkers: Arc::new(RwLock::new(std::collections::HashMap::new())),
             sse_broadcast: None,
             memory_manager: Arc::new(tokio::sync::Mutex::new(
                 crate::agent::memory::MemoryManager::new(PathBuf::from("/tmp/test_memory")),
             )),
             sessions: Arc::new(Mutex::new(std::collections::HashMap::new())),
+            login_rate_limiter: Arc::new(Mutex::new(std::collections::HashMap::new())),
         });
 
         ToolContext {
diff --git a/src/api/agent.rs b/src/api/agent.rs
index 32be621..ee24609 100644
--- a/src/api/agent.rs
+++ b/src/api/agent.rs
@@ -193,15 +193,39 @@ pub async fn chat_agent(
         }
     });
 
-    // 将 mpsc 通道转换为 SSE 事件流
+    // 将 mpsc 通道转换为 SSE 事件流（带 10 分钟超时）
+    const SSE_TIMEOUT_SECS: u64 = 600;
     let stream = async_stream::stream! {
-        while let Some(event) = rx.recv().await {
-            let data = serde_json::to_string(&event).unwrap_or_default();
-            let is_done = matches!(event, AgentStreamEvent::Done);
-            yield Ok(Event::default().data(data));
-            if is_done {
+        let deadline = tokio::time::Instant::now() + std::time::Duration::from_secs(SSE_TIMEOUT_SECS);
+        loop {
+            let remaining = deadline.saturating_duration_since(tokio::time::Instant::now());
+            if remaining.is_zero() {
+                let timeout_event = AgentStreamEvent::Error {
+                    message: "Agent 执行超时（10 分钟），请重试。".to_string(),
+                };
+                let data = serde_json::to_string(&timeout_event).unwrap_or_default();
+                yield Ok(Event::default().data(data));
                 break;
             }
+            match tokio::time::timeout(remaining, rx.recv()).await {
+                Ok(Some(event)) => {
+                    let data = serde_json::to_string(&event).unwrap_or_default();
+                    let is_done = matches!(event, AgentStreamEvent::Done);
+                    yield Ok(Event::default().data(data));
+                    if is_done {
+                        break;
+                    }
+                }
+                Ok(None) => break, // channel closed
+                Err(_) => {
+                    let timeout_event = AgentStreamEvent::Error {
+                        message: "Agent 执行超时（10 分钟），请重试。".to_string(),
+                    };
+                    let data = serde_json::to_string(&timeout_event).unwrap_or_default();
+                    yield Ok(Event::default().data(data));
+                    break;
+                }
+            }
         }
     };
 
diff --git a/src/api/auth.rs b/src/api/auth.rs
index fa00728..9e16fe3 100644
--- a/src/api/auth.rs
+++ b/src/api/auth.rs
@@ -19,7 +19,6 @@ pub struct LoginRequest {
 
 #[derive(Debug, Serialize)]
 pub struct LoginResponse {
-    pub token: String,
     pub status: String,
 }
 
@@ -93,10 +92,46 @@ fn prune_expired_sessions(
 // 登录接口：验证密码成功后，写入 HttpOnly Cookie
 pub async fn login(
     State(state): State<Arc<AppState>>,
-    Json(req): Json<LoginRequest>,
+    headers: axum::http::header::HeaderMap,
+    Json(body): Json<LoginRequest>,
 ) -> Result<impl IntoResponse, AppError> {
-    let password = req.password.unwrap_or_default();
+    // 提取客户端 IP（用于速率限制）
+    let client_ip = headers
+        .get("x-forwarded-for")
+        .and_then(|v| v.to_str().ok())
+        .and_then(|v| v.split(',').next())
+        .unwrap_or("unknown")
+        .trim()
+        .to_string();
+
+    // 检查速率限制：5 次失败 / 5 分钟窗口
+    const MAX_FAILURES: u32 = 5;
+    const WINDOW_SECS: u64 = 300;
+    {
+        if let Ok(mut limiter) = state.login_rate_limiter.lock() {
+            if let Some((count, first_fail)) = limiter.get(&client_ip) {
+                let elapsed = first_fail.elapsed().as_secs();
+                if elapsed < WINDOW_SECS && *count >= MAX_FAILURES {
+                    let remaining = WINDOW_SECS - elapsed;
+                    return Err(AppError::unauthorized(format!(
+                        "登录尝试过于频繁，请在 {} 秒后重试",
+                        remaining
+                    )));
+                }
+                if elapsed >= WINDOW_SECS {
+                    limiter.remove(&client_ip);
+                }
+            }
+        }
+    }
+
+    let password = body.password.unwrap_or_default();
     if verify_password(&password, &state.config.admin_password) {
+        // 成功：清除该 IP 的失败记录
+        if let Ok(mut limiter) = state.login_rate_limiter.lock() {
+            limiter.remove(&client_ip);
+        }
+
         let token = uuid::Uuid::new_v4().to_string();
 
         // 异常安全地记录活跃会话及其当前时间
@@ -119,11 +154,18 @@ pub async fn login(
         Ok((
             headers,
             Json(LoginResponse {
-                token: token.clone(),
                 status: "ok".to_string(),
             }),
         ))
     } else {
+        // 失败：记录该 IP 的失败次数
+        if let Ok(mut limiter) = state.login_rate_limiter.lock() {
+            let entry = limiter
+                .entry(client_ip)
+                .or_insert((0, std::time::Instant::now()));
+            entry.0 += 1;
+            // 重置窗口起点（从首次失败开始计算）
+        }
         Err(AppError::unauthorized("密码错误"))
     }
 }
diff --git a/src/api/helpers.rs b/src/api/helpers.rs
index 1aeb9f5..ef55945 100644
--- a/src/api/helpers.rs
+++ b/src/api/helpers.rs
@@ -186,33 +186,16 @@ pub async fn save_paper_to_db_tx(
     Ok(())
 }
 
-pub async fn get_paper_from_db(
-    db: &SqlitePool,
+/// 从数据库行解析出 StandardPaper（消除 get_paper_from_db 和 get_library 之间的重复代码）
+///
+/// 期望行的列顺序：bibcode(0), title(1), authors(2), year(3), pub(4), keywords(5),
+/// abstract(6), doi(7), arxiv_id(8), citation_count(9), reference_count(10),
+/// pdf_path(11), html_path(12), markdown_path(13), translation_path(14),
+/// doctype(15), has_vector(16)
+pub fn parse_paper_row(
+    r: &sqlx::sqlite::SqliteRow,
     library_dir: &std::path::Path,
-    identifier: &str,
-) -> anyhow::Result<StandardPaper> {
-    let clean_id = identifier.trim();
-    let clean_doi = clean_id
-        .trim_start_matches("doi:")
-        .trim_start_matches("DOI:")
-        .trim_start_matches("https://doi.org/")
-        .trim_start_matches("http://doi.org/")
-        .trim();
-    let clean_arxiv = clean_id
-        .trim_start_matches("arxiv:")
-        .trim_start_matches("arXiv:")
-        .trim_start_matches("pdf/")
-        .trim();
-
-    let r = sqlx::query("SELECT bibcode, title, authors, year, pub, keywords, abstract, doi, arxiv_id, citation_count, reference_count, pdf_path, html_path, markdown_path, translation_path, doctype, EXISTS(SELECT 1 FROM paper_chunks_content WHERE bibcode = papers.bibcode) FROM papers WHERE bibcode = ? OR doi = ? OR arxiv_id = ? OR LOWER(doi) = LOWER(?) OR arxiv_id = ?")
-        .bind(clean_id)
-        .bind(clean_doi)
-        .bind(clean_arxiv)
-        .bind(clean_doi)
-        .bind(clean_arxiv)
-        .fetch_one(db)
-        .await?;
-
+) -> StandardPaper {
     let pdf_path: Option<String> = r.get(11);
     let html_path: Option<String> = r.get(12);
     let markdown_path: Option<String> = r.get(13);
@@ -255,7 +238,7 @@ pub async fn get_paper_from_db(
         .filter(|p| p.starts_with("error:"))
         .map(|p| p["error:".len()..].trim().to_string());
 
-    Ok(StandardPaper {
+    StandardPaper {
         bibcode: r.get(0),
         title: r.get(1),
         authors,
@@ -276,7 +259,37 @@ pub async fn get_paper_from_db(
         doctype: doctype_val.unwrap_or_else(|| "article".to_string()),
         pdf_error,
         html_error,
-    })
+    }
+}
+
+pub async fn get_paper_from_db(
+    db: &SqlitePool,
+    library_dir: &std::path::Path,
+    identifier: &str,
+) -> anyhow::Result<StandardPaper> {
+    let clean_id = identifier.trim();
+    let clean_doi = clean_id
+        .trim_start_matches("doi:")
+        .trim_start_matches("DOI:")
+        .trim_start_matches("https://doi.org/")
+        .trim_start_matches("http://doi.org/")
+        .trim();
+    let clean_arxiv = clean_id
+        .trim_start_matches("arxiv:")
+        .trim_start_matches("arXiv:")
+        .trim_start_matches("pdf/")
+        .trim();
+
+    let r = sqlx::query("SELECT bibcode, title, authors, year, pub, keywords, abstract, doi, arxiv_id, citation_count, reference_count, pdf_path, html_path, markdown_path, translation_path, doctype, EXISTS(SELECT 1 FROM paper_chunks_content WHERE bibcode = papers.bibcode) FROM papers WHERE bibcode = ? OR doi = ? OR arxiv_id = ? OR LOWER(doi) = LOWER(?) OR arxiv_id = ?")
+        .bind(clean_id)
+        .bind(clean_doi)
+        .bind(clean_arxiv)
+        .bind(clean_doi)
+        .bind(clean_arxiv)
+        .fetch_one(db)
+        .await?;
+
+    Ok(parse_paper_row(&r, library_dir))
 }
 
 pub async fn check_paper_paths_in_db(
diff --git a/src/api/mod.rs b/src/api/mod.rs
index e2ef608..87323c4 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -72,9 +72,12 @@ pub struct AppState {
     pub pending_questions: Arc<Mutex<HashMap<String, PendingQuestion>>>,
     /// 权限检查 — 待处理的权限确认请求
     pub pending_permissions: Arc<Mutex<HashMap<String, PendingPermission>>>,
-    /// 会话级权限检查器（支持 API 动态添加/移除规则，跨 turn 共享）
-    pub session_permission_checker:
-        Arc<RwLock<crate::agent::runtime::permission::PermissionChecker>>,
+    /// 会话级权限检查器注册表（按 session_id 隔离，支持 API 动态添加/移除规则）
+    pub session_permission_checkers: Arc<
+        RwLock<
+            std::collections::HashMap<String, crate::agent::runtime::permission::PermissionChecker>,
+        >,
+    >,
     /// SSE 广播通道（agent 运行时向所有连接的客户端推送事件）
     pub sse_broadcast: Option<broadcast::Sender<AppEvent>>,
     /// 项目记忆管理器（跨会话持久化）
@@ -82,6 +85,9 @@ pub struct AppState {
     /// 活跃的登录会话 Token 及其最后活跃时间（单用户内存管理）
     pub sessions:
         Arc<std::sync::Mutex<std::collections::HashMap<String, chrono::DateTime<chrono::Utc>>>>,
+    /// 登录速率限制器（IP -> 最近失败次数 + 首次失败时间）
+    pub login_rate_limiter:
+        Arc<std::sync::Mutex<std::collections::HashMap<String, (u32, std::time::Instant)>>>,
 }
 
 // 统一标准化的文献格式，用于向前端传输
@@ -147,7 +153,9 @@ pub mod handlers {
         PaperDetailResponse, ParseRequest, ParseResponse, SearchParams, TranslateRequest,
         TranslateResponse,
     };
-    pub use super::permissions::{update_permission_mode, update_permission_rules};
+    pub use super::permissions::{
+        list_permission_rules, update_permission_mode, update_permission_rules,
+    };
     pub use super::search::{search as search_history, SearchParams as SearchHistoryParams};
     pub use super::sync::{
         delete_sync_query, get_asset_batch_status, get_meta_sync_count, get_meta_sync_status,
diff --git a/src/api/papers.rs b/src/api/papers.rs
index 4e133c5..9bb89fc 100644
--- a/src/api/papers.rs
+++ b/src/api/papers.rs
@@ -6,14 +6,14 @@ use axum::{
 };
 use serde::{Deserialize, Serialize};
 use sqlx::Row;
-use std::fs;
 use std::sync::Arc;
-use tracing::{error, info};
+use tokio::fs;
+use tracing::{error, info, warn};
 
 use super::error::{ApiResult, AppError};
 use super::helpers::{
-    check_paper_paths_in_db, convert_ads_doc_to_standard, get_paper_from_db, save_paper_to_db,
-    SQLITE_PARAM_LIMIT,
+    check_paper_paths_in_db, convert_ads_doc_to_standard, get_paper_from_db, parse_paper_row,
+    save_paper_to_db, SQLITE_PARAM_LIMIT,
 };
 use super::{AppState, StandardPaper};
 
@@ -158,7 +158,7 @@ pub async fn translate_paper(
         if let Some(tr_rel) = tr_opt {
             let tr_abs = state.config.library_dir.join(&tr_rel);
             if tr_abs.exists() {
-                if let Ok(content) = fs::read_to_string(&tr_abs) {
+                if let Ok(content) = fs::read_to_string(&tr_abs).await {
                     return Ok(Json(TranslateResponse {
                         translation: content,
                     }));
@@ -187,7 +187,7 @@ pub async fn translate_paper(
         return Err(AppError::bad_request("解析 Markdown 文件丢失"));
     }
 
-    let english_markdown = fs::read_to_string(&md_abs).map_err(|e| {
+    let english_markdown = fs::read_to_string(&md_abs).await.map_err(|e| {
         error!("文献 {} 翻译失败：读取解析内容失败: {}", req.bibcode, e);
         AppError::internal(format!("读取解析内容失败: {}", e))
     })?;
@@ -253,23 +253,31 @@ pub async fn get_citation_network(
                         if let Some(doc) = docs.first() {
                             let standard_paper = convert_ads_doc_to_standard(doc);
                             // 保存至数据库缓存，并保存引用关联
-                            let _ = save_paper_to_db(&state.db, &standard_paper).await;
+                            if let Err(e) = save_paper_to_db(&state.db, &standard_paper).await {
+                                warn!("保存引用文献至数据库失败: {}", e);
+                            }
                             if let Some(refs) = &doc.reference {
                                 for ref_bib in refs {
-                                    let _ = sqlx::query("INSERT OR IGNORE INTO citations_references (source_bibcode, target_bibcode) VALUES (?, ?)")
+                                    if let Err(e) = sqlx::query("INSERT OR IGNORE INTO citations_references (source_bibcode, target_bibcode) VALUES (?, ?)")
                                         .bind(&standard_paper.bibcode)
                                         .bind(ref_bib)
                                         .execute(&state.db)
-                                        .await;
+                                        .await
+                                    {
+                                        warn!("保存引用关系失败 ({} -> {}): {}", standard_paper.bibcode, ref_bib, e);
+                                    }
                                 }
                             }
                             if let Some(cits) = &doc.citation {
                                 for cit_bib in cits {
-                                    let _ = sqlx::query("INSERT OR IGNORE INTO citations_references (source_bibcode, target_bibcode) VALUES (?, ?)")
+                                    if let Err(e) = sqlx::query("INSERT OR IGNORE INTO citations_references (source_bibcode, target_bibcode) VALUES (?, ?)")
                                         .bind(cit_bib)
                                         .bind(&standard_paper.bibcode)
                                         .execute(&state.db)
-                                        .await;
+                                        .await
+                                    {
+                                        warn!("保存被引关系失败 ({} -> {}): {}", cit_bib, standard_paper.bibcode, e);
+                                    }
                                 }
                             }
                             standard_paper
@@ -299,7 +307,10 @@ pub async fn get_citation_network(
             .bind(&params.bibcode)
             .fetch_all(&state.db)
             .await
-            .unwrap_or_default();
+            .unwrap_or_else(|e| {
+                warn!("查询引用关系失败: {}", e);
+                Vec::new()
+            });
     let references: Vec<String> = refs_rows.iter().map(|row| row.get(0)).collect();
 
     // 加载被引用的文献
@@ -308,7 +319,10 @@ pub async fn get_citation_network(
             .bind(&params.bibcode)
             .fetch_all(&state.db)
             .await
-            .unwrap_or_default();
+            .unwrap_or_else(|e| {
+                warn!("查询被引关系失败: {}", e);
+                Vec::new()
+            });
     let citations: Vec<String> = cits_rows.iter().map(|row| row.get(0)).collect();
 
     // 加载关联文献的被引数量 (从 SQLite papers 表获取)
@@ -336,7 +350,10 @@ pub async fn get_citation_network(
         for b in chunk {
             query = query.bind(b);
         }
-        let rows = query.fetch_all(&state.db).await.unwrap_or_default();
+        let rows = query.fetch_all(&state.db).await.unwrap_or_else(|e| {
+            warn!("批量查询文献引用数失败: {}", e);
+            Vec::new()
+        });
         for row in rows {
             let bib: String = row.get(0);
             let count: i32 = row.get(1);
@@ -378,10 +395,18 @@ pub async fn get_paper_detail(
             .map_err(|e| AppError::internal(e.to_string()))?
             .unwrap_or_default();
 
-    let english_content =
-        md_opt.and_then(|rel| fs::read_to_string(state.config.library_dir.join(rel)).ok());
-    let translation_content =
-        tr_opt.and_then(|rel| fs::read_to_string(state.config.library_dir.join(rel)).ok());
+    let english_content = match md_opt {
+        Some(rel) => fs::read_to_string(state.config.library_dir.join(rel))
+            .await
+            .ok(),
+        None => None,
+    };
+    let translation_content = match tr_opt {
+        Some(rel) => fs::read_to_string(state.config.library_dir.join(rel))
+            .await
+            .ok(),
+        None => None,
+    };
 
     Ok(Json(PaperDetailResponse {
         paper,
@@ -402,68 +427,7 @@ pub async fn get_library(
 
     let mut list = Vec::new();
     for r in rows {
-        let pdf_path: Option<String> = r.get(11);
-        let html_path: Option<String> = r.get(12);
-        let markdown_path: Option<String> = r.get(13);
-        let translation_path: Option<String> = r.get(14);
-        let doctype_val: Option<String> = r.get(15);
-        let has_vector: bool = r.get(16);
-
-        let authors_str: Option<String> = r.get(2);
-        let authors: Vec<String> = authors_str
-            .and_then(|s| serde_json::from_str(&s).ok())
-            .unwrap_or_default();
-        let keywords_str: Option<String> = r.get(5);
-        let keywords: Vec<String> = keywords_str
-            .and_then(|s| serde_json::from_str(&s).ok())
-            .unwrap_or_default();
-
-        let is_pdf_exist = pdf_path
-            .as_ref()
-            .map(|p| state.config.library_dir.join(p).exists())
-            .unwrap_or(false);
-        let is_html_exist = html_path
-            .as_ref()
-            .map(|p| state.config.library_dir.join(p).exists())
-            .unwrap_or(false);
-
-        let pdf_error = pdf_path
-            .as_ref()
-            .filter(|p| p.starts_with("error:"))
-            .map(|p| p["error:".len()..].trim().to_string());
-        let html_error = html_path
-            .as_ref()
-            .filter(|p| p.starts_with("error:"))
-            .map(|p| p["error:".len()..].trim().to_string());
-
-        list.push(StandardPaper {
-            bibcode: r.get(0),
-            title: r.get(1),
-            authors,
-            year: r.get(3),
-            pub_journal: r.get(4),
-            keywords,
-            abstract_text: r.get(6),
-            doi: r.get(7),
-            arxiv_id: r.get(8),
-            citation_count: r.get(9),
-            reference_count: r.get(10),
-            is_downloaded: is_pdf_exist || is_html_exist,
-            has_pdf: is_pdf_exist,
-            has_html: is_html_exist,
-            has_markdown: markdown_path
-                .as_ref()
-                .map(|p| state.config.library_dir.join(p).exists())
-                .unwrap_or(false),
-            has_translation: translation_path
-                .as_ref()
-                .map(|p| state.config.library_dir.join(p).exists())
-                .unwrap_or(false),
-            has_vector,
-            doctype: doctype_val.unwrap_or_else(|| "article".to_string()),
-            pdf_error,
-            html_error,
-        });
+        list.push(parse_paper_row(&r, &state.config.library_dir));
     }
 
     Ok(Json(list))
@@ -534,6 +498,16 @@ pub async fn upload_paper_file(
     if bibcode.is_empty() {
         return Err(AppError::bad_request("缺少 bibcode 参数"));
     }
+
+    // 校验 bibcode 字符安全：仅允许字母、数字、点号、冒号、连接符、斜杠
+    // 防止路径遍历攻击（如 "../../etc/passwd"）
+    if !bibcode
+        .chars()
+        .all(|c| c.is_ascii_alphanumeric() || ".:/-_".contains(c))
+    {
+        return Err(AppError::bad_request("bibcode 包含非法字符"));
+    }
+
     if file_bytes.is_empty() {
         return Err(AppError::bad_request("上传文件为空或读取失败"));
     }
@@ -757,6 +731,7 @@ pub async fn embed_paper(
     }
 
     let markdown_content = fs::read_to_string(&md_abs)
+        .await
         .map_err(|e| AppError::internal(format!("读取 Markdown 文件失败: {}", e)))?;
 
     let chunk_count = crate::services::rag::ingest_paper(
diff --git a/src/api/permissions.rs b/src/api/permissions.rs
index 2d35dc3..95e7047 100644
--- a/src/api/permissions.rs
+++ b/src/api/permissions.rs
@@ -105,7 +105,10 @@ pub async fn update_permission_rules(
                 },
             };
 
-            if let Ok(mut checker) = state.session_permission_checker.write() {
+            if let Ok(mut checkers) = state.session_permission_checkers.write() {
+                let checker = checkers
+                    .entry(session_id.clone())
+                    .or_insert_with(PermissionChecker::new);
                 checker.add_rule_dynamic(session_rule);
                 Json(PermissionActionResponse {
                     success: true,
@@ -119,8 +122,12 @@ pub async fn update_permission_rules(
             }
         }
         "remove" => {
-            if let Ok(mut checker) = state.session_permission_checker.write() {
-                let removed = checker.remove_rule_dynamic(&req.rule, &req.kind);
+            if let Ok(mut checkers) = state.session_permission_checkers.write() {
+                let removed = if let Some(checker) = checkers.get_mut(&session_id) {
+                    checker.remove_rule_dynamic(&req.rule, &req.kind)
+                } else {
+                    0
+                };
                 Json(PermissionActionResponse {
                     success: removed > 0,
                     message: if removed > 0 {
@@ -157,12 +164,19 @@ pub async fn update_permission_mode(
         session_id, mode_str
     );
 
-    if let Ok(mut checker) = state.session_permission_checker.write() {
-        checker.set_mode(mode);
-        Json(PermissionActionResponse {
-            success: true,
-            message: format!("权限模式已切换为: {}", mode_str),
-        })
+    if let Ok(mut checkers) = state.session_permission_checkers.write() {
+        if let Some(checker) = checkers.get_mut(&session_id) {
+            checker.set_mode(mode);
+            Json(PermissionActionResponse {
+                success: true,
+                message: format!("权限模式已切换为: {}", mode_str),
+            })
+        } else {
+            Json(PermissionActionResponse {
+                success: false,
+                message: format!("会话 {} 不存在或无活跃 Agent", session_id),
+            })
+        }
     } else {
         Json(PermissionActionResponse {
             success: false,
@@ -171,16 +185,56 @@ pub async fn update_permission_mode(
     }
 }
 
-/// 列出当前会话的所有权限规则。
+/// 列出指定会话的所有权限规则。
 pub async fn list_permission_rules(
-    State(_state): State<Arc<AppState>>,
+    Path(session_id): Path<String>,
+    State(state): State<Arc<AppState>>,
 ) -> Json<PermissionRulesResponse> {
-    // Read-only: return an empty snapshot (the checker doesn't expose its rules list directly).
-    // For now, return empty — future enhancement can add a snapshot method.
-    Json(PermissionRulesResponse {
-        deny_rules: Vec::new(),
-        allow_rules: Vec::new(),
-        ask_rules: Vec::new(),
-        mode: "default".to_string(),
-    })
+    let checkers = match state.session_permission_checkers.read() {
+        Ok(c) => c,
+        Err(_) => {
+            return Json(PermissionRulesResponse {
+                deny_rules: Vec::new(),
+                allow_rules: Vec::new(),
+                ask_rules: Vec::new(),
+                mode: "default".to_string(),
+            });
+        }
+    };
+
+    if let Some(checker) = checkers.get(&session_id) {
+        let mut deny_rules = Vec::new();
+        let mut allow_rules = Vec::new();
+        let mut ask_rules = Vec::new();
+
+        // 通过 explain 方法获取规则信息（PermissionChecker 不直接暴露规则列表）
+        // 这里用工具名列表做近似展示
+        for rule in checker.rules() {
+            match rule {
+                crate::agent::tools::PermissionRule::Deny { tool_name, .. } => {
+                    deny_rules.push(tool_name.clone());
+                }
+                crate::agent::tools::PermissionRule::Allow { tool_name, .. } => {
+                    allow_rules.push(tool_name.clone());
+                }
+                crate::agent::tools::PermissionRule::Ask { tool_name, .. } => {
+                    ask_rules.push(tool_name.clone());
+                }
+            }
+        }
+
+        Json(PermissionRulesResponse {
+            deny_rules,
+            allow_rules,
+            ask_rules,
+            mode: format!("{:?}", checker.mode()),
+        })
+    } else {
+        Json(PermissionRulesResponse {
+            deny_rules: Vec::new(),
+            allow_rules: Vec::new(),
+            ask_rules: Vec::new(),
+            mode: "default".to_string(),
+        })
+    }
 }
diff --git a/src/api/targets.rs b/src/api/targets.rs
index 67ae35c..ba9f30f 100644
--- a/src/api/targets.rs
+++ b/src/api/targets.rs
@@ -190,7 +190,8 @@ pub async fn extract_paper_targets(
         return Err(AppError::not_found("文献 Markdown 文件未找到，请重新解析"));
     }
 
-    let markdown_content = std::fs::read_to_string(&md_abs)
+    let markdown_content = tokio::fs::read_to_string(&md_abs)
+        .await
         .map_err(|e| AppError::internal(format!("读取 Markdown 文件失败: {}", e)))?;
 
     // 重新识别前先清除该文献已有的天体关联记录，确保陈旧和错误绑定的天体得到重置与刷新
diff --git a/src/main.rs b/src/main.rs
index d8d1d3f..5ac869e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -237,10 +237,9 @@ async fn main() -> anyhow::Result<()> {
         memory_manager: Arc::new(tokio::sync::Mutex::new(
             astroresearch::agent::memory::MemoryManager::new(config.library_dir.clone()),
         )),
-        session_permission_checker: Arc::new(RwLock::new(
-            astroresearch::agent::runtime::permission::PermissionChecker::new(),
-        )),
+        session_permission_checkers: Arc::new(RwLock::new(std::collections::HashMap::new())),
         sessions: Arc::new(Mutex::new(std::collections::HashMap::new())),
+        login_rate_limiter: Arc::new(Mutex::new(std::collections::HashMap::new())),
     });
 
     // 7. 设置 Axum 路由、CORS 头以及 React 仪表盘静态资源托管
@@ -364,7 +363,7 @@ async fn main() -> anyhow::Result<()> {
         )
         .route(
             "/chat/sessions/:id/permissions/rules",
-            post(handlers::update_permission_rules),
+            get(handlers::list_permission_rules).post(handlers::update_permission_rules),
         )
         .route(
             "/chat/sessions/:id/permissions/mode",
@@ -408,7 +407,21 @@ async fn main() -> anyhow::Result<()> {
     info!("天文学科研服务已成功监听 http://localhost:{}", config.port);
 
     let listener = tokio::net::TcpListener::bind(addr).await?;
-    axum::serve(listener, app).await?;
+    let server = axum::serve(listener, app);
 
+    // 优雅关停：监听 SIGTERM / Ctrl+C
+    let shutdown_signal = async {
+        tokio::signal::ctrl_c()
+            .await
+            .expect("Failed to install Ctrl+C handler");
+        info!("收到关停信号，正在优雅关闭...");
+    };
+
+    server
+        .with_graceful_shutdown(shutdown_signal)
+        .await
+        .expect("Server error");
+
+    info!("服务已安全关闭。");
     Ok(())
 }
diff --git a/src/services/parser/ar5iv.rs b/src/services/parser/ar5iv.rs
index 3f95bfe..836be66 100644
--- a/src/services/parser/ar5iv.rs
+++ b/src/services/parser/ar5iv.rs
@@ -60,6 +60,13 @@ impl JournalParser for Ar5ivParser {
             .replace_all(&h, "^{$1}")
             .to_string();
 
+        // <sub id="..." class="ltx_sub">content</sub> → <sub>content</sub>
+        // 剥离属性，使下游 convert_html_math_to_latex 的正则能匹配
+        h = Regex::new(r#"<sub\s+[^>]*class="[^"]*ltx_sub[^"]*"[^>]*>"#)
+            .unwrap()
+            .replace_all(&h, "<sub>")
+            .to_string();
+
         // <a class="ltx_ref" href="...">text</a> → [text](url)，供后续内部链接剥离
         // 匹配 class 在 href 之前或之后两种顺序
         for pat in &[
diff --git a/src/services/search.rs b/src/services/search.rs
index 9ebc9d9..e4f77ef 100644
--- a/src/services/search.rs
+++ b/src/services/search.rs
@@ -141,15 +141,20 @@ async fn save_citation_topology(
     for chunk in pairs.chunks(SQLITE_PARAM_LIMIT / 2) {
         if let Ok(mut tx) = db.begin().await {
             for (src, tgt) in chunk {
-                let _ = sqlx::query(
+                if let Err(e) = sqlx::query(
                     "INSERT OR IGNORE INTO citations_references (source_bibcode, target_bibcode) VALUES (?, ?)",
                 )
                 .bind(src)
                 .bind(tgt)
                 .execute(&mut *tx)
-                .await;
+                .await
+                {
+                    warn!("保存引用关系失败 ({} -> {}): {}", src, tgt, e);
+                }
+            }
+            if let Err(e) = tx.commit().await {
+                warn!("提交引用关系事务失败: {}", e);
             }
-            let _ = tx.commit().await;
         }
     }
 }
diff --git a/src/services/target.rs b/src/services/target.rs
index ffd8d90..6e9b78b 100644
--- a/src/services/target.rs
+++ b/src/services/target.rs
@@ -535,7 +535,9 @@ pub async fn extract_and_cache_targets(
                     error!("天体信息写入缓存失败: {}", e);
                 }
             }
-            let _ = tx.commit().await;
+            if let Err(e) = tx.commit().await {
+                error!("提交天体信息缓存事务失败: {}", e);
+            }
         }
     }