diff --git a/package-lock.json b/package-lock.json
index 0e12bc5..1b1c2f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,12 +29,14 @@
         "date-fns": "^4.1.0",
         "drizzle-orm": "^0.45.1",
         "dropbox": "^10.34.0",
+        "fast-xml-parser": "^5.3.7",
         "gray-matter": "^4.0.3",
         "lightbox2": "^2.11.5",
         "liquidjs": "^10.24.0",
         "marked-react": "^3.0.2",
         "monaco-editor": "^0.55.1",
         "react": "^19.2.4",
+        "react-arborist": "^3.4.3",
         "react-dom": "^19.2.4",
         "react-hot-toast": "^2.6.0",
         "sharp": "^0.34.5",
@@ -381,7 +383,6 @@
       "version": "7.28.6",
       "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.6.tgz",
       "integrity": "sha512-05WQkdpL9COIMz4LjTxGpPNCdlpyimKppYNoJ5Di5EUObifl8t4tuLuUBBZEpoLYOmfvIWrsp9fCl0HoPRVTdA==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -4683,6 +4684,24 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@react-dnd/asap": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/@react-dnd/asap/-/asap-4.0.1.tgz",
+      "integrity": "sha512-kLy0PJDDwvwwTXxqTFNAAllPHD73AycE9ypWeln/IguoGBEbvFcPDbCV03G52bEcC5E+YgupBE0VzHGdC8SIXg==",
+      "license": "MIT"
+    },
+    "node_modules/@react-dnd/invariant": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@react-dnd/invariant/-/invariant-2.0.0.tgz",
+      "integrity": "sha512-xL4RCQBCBDJ+GRwKTFhGUW8GXa4yoDfJrPbLblc3U09ciS+9ZJXJ3Qrcs/x2IODOdIE5kQxvMmE2UKyqUictUw==",
+      "license": "MIT"
+    },
+    "node_modules/@react-dnd/shallowequal": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@react-dnd/shallowequal/-/shallowequal-2.0.0.tgz",
+      "integrity": "sha512-Pc/AFTdwZwEKJxFJvlxrSmGe/di+aAOBn60sremrpLo6VI/6cmiUYNNwlI5KNYttg7uypzA3ILPMPgxB2GYZEg==",
+      "license": "MIT"
+    },
     "node_modules/@rolldown/pluginutils": {
       "version": "1.0.0-rc.3",
       "resolved": "https://registry.npmjs.org/@rolldown/pluginutils/-/pluginutils-1.0.0-rc.3.tgz",
@@ -7829,6 +7848,26 @@
         "node": ">=8"
       }
     },
+    "node_modules/dnd-core": {
+      "version": "14.0.1",
+      "resolved": "https://registry.npmjs.org/dnd-core/-/dnd-core-14.0.1.tgz",
+      "integrity": "sha512-+PVS2VPTgKFPYWo3vAFEA8WPbTf7/xo43TifH9G8S1KqnrQu0o77A3unrF5yOugy4mIz7K5wAVFHUcha7wsz6A==",
+      "license": "MIT",
+      "dependencies": {
+        "@react-dnd/asap": "^4.0.0",
+        "@react-dnd/invariant": "^2.0.0",
+        "redux": "^4.1.1"
+      }
+    },
+    "node_modules/dnd-core/node_modules/redux": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/redux/-/redux-4.2.1.tgz",
+      "integrity": "sha512-LAUYz4lc+Do8/g7aeRa8JkyDErK6ekstQaqWQrNRW//MY1TvCEpMtpTWvlQ+FPbWCx+Xixu/6SHt5N0HR+SB4w==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.9.2"
+      }
+    },
     "node_modules/dom-accessibility-api": {
       "version": "0.5.16",
       "resolved": "https://registry.npmjs.org/dom-accessibility-api/-/dom-accessibility-api-0.5.16.tgz",
@@ -8834,7 +8873,6 @@
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
       "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/fast-json-stable-stringify": {
@@ -8868,6 +8906,24 @@
       ],
       "license": "BSD-3-Clause"
     },
+    "node_modules/fast-xml-parser": {
+      "version": "5.3.7",
+      "resolved": "https://registry.npmjs.org/fast-xml-parser/-/fast-xml-parser-5.3.7.tgz",
+      "integrity": "sha512-JzVLro9NQv92pOM/jTCR6mHlJh2FGwtomH8ZQjhFj/R29P2Fnj38OgPJVtcvYw6SuKClhgYuwUZf5b3rd8u2mA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "strnum": "^2.1.2"
+      },
+      "bin": {
+        "fxparser": "src/cli/cli.js"
+      }
+    },
     "node_modules/fd-slicer": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
@@ -9523,6 +9579,21 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/hoist-non-react-statics": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz",
+      "integrity": "sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "react-is": "^16.7.0"
+      }
+    },
+    "node_modules/hoist-non-react-statics/node_modules/react-is": {
+      "version": "16.13.1",
+      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+      "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
+      "license": "MIT"
+    },
     "node_modules/hosted-git-info": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-4.1.0.tgz",
@@ -10756,6 +10827,12 @@
         "tslib": "2"
       }
     },
+    "node_modules/memoize-one": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/memoize-one/-/memoize-one-5.2.1.tgz",
+      "integrity": "sha512-zYiwtZUcYyXKo/np96AGZAckk+FWWsUdJ3cHGGmld7+AhvcWmQyGCYUh1hc4Q/pkOhb65dQR/pqCyK0cOaHz4Q==",
+      "license": "MIT"
+    },
     "node_modules/micromark": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/micromark/-/micromark-4.0.2.tgz",
@@ -12187,6 +12264,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -12619,6 +12697,62 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/react-arborist": {
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/react-arborist/-/react-arborist-3.4.3.tgz",
+      "integrity": "sha512-yFnq1nIQhT2uJY4TZVz2tgAiBb9lxSyvF4vC3S8POCK8xLzjGIxVv3/4dmYquQJ7AHxaZZArRGHiHKsEewKdTQ==",
+      "license": "MIT",
+      "dependencies": {
+        "react-dnd": "^14.0.3",
+        "react-dnd-html5-backend": "^14.0.3",
+        "react-window": "^1.8.11",
+        "redux": "^5.0.0",
+        "use-sync-external-store": "^1.2.0"
+      },
+      "peerDependencies": {
+        "react": ">= 16.14",
+        "react-dom": ">= 16.14"
+      }
+    },
+    "node_modules/react-dnd": {
+      "version": "14.0.5",
+      "resolved": "https://registry.npmjs.org/react-dnd/-/react-dnd-14.0.5.tgz",
+      "integrity": "sha512-9i1jSgbyVw0ELlEVt/NkCUkxy1hmhJOkePoCH713u75vzHGyXhPDm28oLfc2NMSBjZRM1Y+wRjHXJT3sPrTy+A==",
+      "license": "MIT",
+      "dependencies": {
+        "@react-dnd/invariant": "^2.0.0",
+        "@react-dnd/shallowequal": "^2.0.0",
+        "dnd-core": "14.0.1",
+        "fast-deep-equal": "^3.1.3",
+        "hoist-non-react-statics": "^3.3.2"
+      },
+      "peerDependencies": {
+        "@types/hoist-non-react-statics": ">= 3.3.1",
+        "@types/node": ">= 12",
+        "@types/react": ">= 16",
+        "react": ">= 16.14"
+      },
+      "peerDependenciesMeta": {
+        "@types/hoist-non-react-statics": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/react-dnd-html5-backend": {
+      "version": "14.1.0",
+      "resolved": "https://registry.npmjs.org/react-dnd-html5-backend/-/react-dnd-html5-backend-14.1.0.tgz",
+      "integrity": "sha512-6ONeqEC3XKVf4eVmMTe0oPds+c5B9Foyj8p/ZKLb7kL2qh9COYxiBHv3szd6gztqi/efkmriywLUVlPotqoJyw==",
+      "license": "MIT",
+      "dependencies": {
+        "dnd-core": "14.0.1"
+      }
+    },
     "node_modules/react-dom": {
       "version": "19.2.4",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.4.tgz",
@@ -12666,6 +12800,23 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/react-window": {
+      "version": "1.8.11",
+      "resolved": "https://registry.npmjs.org/react-window/-/react-window-1.8.11.tgz",
+      "integrity": "sha512-+SRbUVT2scadgFSWx+R1P754xHPEqvcfSfVX10QYg6POOz+WNgkN48pS+BtZNIMGiL1HYrSEiCkwsMS15QogEQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.0.0",
+        "memoize-one": ">=3.1.1 <6"
+      },
+      "engines": {
+        "node": ">8.0.0"
+      },
+      "peerDependencies": {
+        "react": "^15.0.0 || ^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
+        "react-dom": "^15.0.0 || ^16.0.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/read-binary-file-arch": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/read-binary-file-arch/-/read-binary-file-arch-1.0.6.tgz",
@@ -12721,6 +12872,12 @@
         "node": ">=8"
       }
     },
+    "node_modules/redux": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/redux/-/redux-5.0.1.tgz",
+      "integrity": "sha512-M9/ELqF6fy8FwmkpnF0S3YKOqMyoWJ4+CS5Efg2ct3oY9daQvd/Pc71FpGZsVsbl3Cpb+IIcjBDUnnyBdQbq4w==",
+      "license": "MIT"
+    },
     "node_modules/remark": {
       "version": "15.0.1",
       "resolved": "https://registry.npmjs.org/remark/-/remark-15.0.1.tgz",
@@ -13561,6 +13718,18 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/strnum": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/strnum/-/strnum-2.1.2.tgz",
+      "integrity": "sha512-l63NF9y/cLROq/yqKXSLtcMeeyOfnSQlfMSlzFt/K73oIaD8DGaQWd7Z34X9GPiKqP5rbSh84Hl4bOlLcjiSrQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/NaturalIntelligence"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/stubborn-fs": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/stubborn-fs/-/stubborn-fs-2.0.0.tgz",
@@ -14699,6 +14868,16 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
+      "integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
+      "license": "MIT",
+      "peer": true,
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/utf8-byte-length": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/utf8-byte-length/-/utf8-byte-length-1.0.5.tgz",
diff --git a/package.json b/package.json
index 29560b0..0cb6c88 100644
--- a/package.json
+++ b/package.json
@@ -80,12 +80,14 @@
     "date-fns": "^4.1.0",
     "drizzle-orm": "^0.45.1",
     "dropbox": "^10.34.0",
+    "fast-xml-parser": "^5.3.7",
     "gray-matter": "^4.0.3",
     "lightbox2": "^2.11.5",
     "liquidjs": "^10.24.0",
     "marked-react": "^3.0.2",
     "monaco-editor": "^0.55.1",
     "react": "^19.2.4",
+    "react-arborist": "^3.4.3",
     "react-dom": "^19.2.4",
     "react-hot-toast": "^2.6.0",
     "sharp": "^0.34.5",
diff --git a/src/main/engine/MenuEngine.ts b/src/main/engine/MenuEngine.ts
new file mode 100644
index 0000000..5b01f05
--- /dev/null
+++ b/src/main/engine/MenuEngine.ts
@@ -0,0 +1,223 @@
+import { EventEmitter } from 'events';
+import * as fs from 'fs/promises';
+import * as path from 'path';
+import { randomUUID } from 'crypto';
+import { app } from 'electron';
+import { XMLBuilder, XMLParser } from 'fast-xml-parser';
+
+export type MenuItemKind = 'page' | 'submenu';
+
+export interface MenuItemData {
+  id: string;
+  title: string;
+  kind: MenuItemKind;
+  pageId?: string;
+  pageSlug?: string;
+  children: MenuItemData[];
+}
+
+export interface MenuDocument {
+  items: MenuItemData[];
+}
+
+type OpmlOutlineNode = {
+  '@_id'?: string;
+  '@_text'?: string;
+  '@_title'?: string;
+  '@_type'?: string;
+  '@_pageId'?: string;
+  '@_pageSlug'?: string;
+  outline?: OpmlOutlineNode | OpmlOutlineNode[];
+};
+
+function generateMenuItemId(): string {
+  try {
+    return randomUUID();
+  } catch {
+    return `menu-${Date.now()}-${Math.random().toString(36).slice(2, 10)}`;
+  }
+}
+
+function normalizeOutlineNodes(value: unknown): OpmlOutlineNode[] {
+  if (!value) {
+    return [];
+  }
+
+  if (Array.isArray(value)) {
+    return value as OpmlOutlineNode[];
+  }
+
+  return [value as OpmlOutlineNode];
+}
+
+function normalizeNonEmptyString(value: unknown): string | undefined {
+  if (value === undefined || value === null) {
+    return undefined;
+  }
+
+  const trimmed = String(value).trim();
+  return trimmed.length > 0 ? trimmed : undefined;
+}
+
+function sanitizeMenuItem(input: unknown): MenuItemData {
+  const candidate = (input && typeof input === 'object') ? input as Record<string, unknown> : {};
+  const kind = candidate.kind === 'submenu' ? 'submenu' : 'page';
+  const childrenSource = Array.isArray(candidate.children) ? candidate.children : [];
+  const title = normalizeNonEmptyString(candidate.title) || 'Untitled';
+
+  return {
+    id: normalizeNonEmptyString(candidate.id) || generateMenuItemId(),
+    title,
+    kind,
+    pageId: kind === 'page' ? normalizeNonEmptyString(candidate.pageId) : undefined,
+    pageSlug: kind === 'page' ? normalizeNonEmptyString(candidate.pageSlug) : undefined,
+    children: childrenSource.map((child) => sanitizeMenuItem(child)),
+  };
+}
+
+function sanitizeMenuDocument(input: unknown): MenuDocument {
+  const candidate = (input && typeof input === 'object') ? input as Record<string, unknown> : {};
+  const items = Array.isArray(candidate.items) ? candidate.items : [];
+  return {
+    items: items.map((item) => sanitizeMenuItem(item)),
+  };
+}
+
+function parseOutlineNode(node: OpmlOutlineNode): MenuItemData {
+  const kind: MenuItemKind = node['@_type'] === 'submenu' ? 'submenu' : 'page';
+  const title = normalizeNonEmptyString(node['@_text']) || normalizeNonEmptyString(node['@_title']) || 'Untitled';
+
+  return {
+    id: normalizeNonEmptyString(node['@_id']) || generateMenuItemId(),
+    title,
+    kind,
+    pageId: kind === 'page' ? normalizeNonEmptyString(node['@_pageId']) : undefined,
+    pageSlug: kind === 'page' ? normalizeNonEmptyString(node['@_pageSlug']) : undefined,
+    children: normalizeOutlineNodes(node.outline).map((child) => parseOutlineNode(child)),
+  };
+}
+
+function toOpmlOutlineNode(item: MenuItemData): OpmlOutlineNode {
+  const outlineNode: OpmlOutlineNode = {
+    '@_id': item.id,
+    '@_text': item.title,
+    '@_type': item.kind,
+  };
+
+  if (item.kind === 'page' && item.pageId) {
+    outlineNode['@_pageId'] = item.pageId;
+  }
+
+  if (item.kind === 'page' && item.pageSlug) {
+    outlineNode['@_pageSlug'] = item.pageSlug;
+  }
+
+  if (item.children.length > 0) {
+    outlineNode.outline = item.children.map((child) => toOpmlOutlineNode(child));
+  }
+
+  return outlineNode;
+}
+
+export class MenuEngine extends EventEmitter {
+  private currentProjectId: string = 'default';
+  private dataDir: string | null = null;
+
+  private getDefaultBaseDir(): string {
+    const userDataPath = app.getPath('userData');
+    return path.join(userDataPath, 'projects', this.currentProjectId);
+  }
+
+  private getBaseDir(): string {
+    return this.dataDir || this.getDefaultBaseDir();
+  }
+
+  getMetaDir(): string {
+    return path.join(this.getBaseDir(), 'meta');
+  }
+
+  private getMenuFilePath(): string {
+    return path.join(this.getMetaDir(), 'menu.opml');
+  }
+
+  setProjectContext(projectId: string, dataDir?: string): void {
+    this.currentProjectId = projectId;
+    this.dataDir = dataDir || null;
+  }
+
+  async getMenu(): Promise<MenuDocument> {
+    const menuPath = this.getMenuFilePath();
+
+    let xmlContent: string;
+    try {
+      xmlContent = await fs.readFile(menuPath, 'utf-8');
+    } catch (error) {
+      const asErrno = error as NodeJS.ErrnoException;
+      if (asErrno?.code === 'ENOENT') {
+        return { items: [] };
+      }
+      throw error;
+    }
+
+    const parser = new XMLParser({
+      ignoreAttributes: false,
+      attributeNamePrefix: '@_',
+      allowBooleanAttributes: true,
+    });
+
+    const parsed = parser.parse(xmlContent) as {
+      opml?: {
+        body?: {
+          outline?: OpmlOutlineNode | OpmlOutlineNode[];
+        };
+      };
+    };
+
+    const outlineNodes = normalizeOutlineNodes(parsed?.opml?.body?.outline);
+    const items = outlineNodes.map((node) => parseOutlineNode(node));
+    return sanitizeMenuDocument({ items });
+  }
+
+  async saveMenu(input: MenuDocument): Promise<MenuDocument> {
+    const sanitized = sanitizeMenuDocument(input);
+
+    const builder = new XMLBuilder({
+      ignoreAttributes: false,
+      attributeNamePrefix: '@_',
+      format: true,
+      suppressEmptyNode: true,
+    });
+
+    const opmlPayload = {
+      '?xml': {
+        '@_version': '1.0',
+        '@_encoding': 'UTF-8',
+      },
+      opml: {
+        '@_version': '2.0',
+        head: {
+          title: 'Blog Menu',
+        },
+        body: {
+          outline: sanitized.items.map((item) => toOpmlOutlineNode(item)),
+        },
+      },
+    };
+
+    const xml = builder.build(opmlPayload);
+    await fs.mkdir(this.getMetaDir(), { recursive: true });
+    await fs.writeFile(this.getMenuFilePath(), xml, 'utf-8');
+
+    this.emit('menuUpdated', sanitized);
+    return sanitized;
+  }
+}
+
+let menuEngine: MenuEngine | null = null;
+
+export function getMenuEngine(): MenuEngine {
+  if (!menuEngine) {
+    menuEngine = new MenuEngine();
+  }
+  return menuEngine;
+}
diff --git a/src/main/engine/index.ts b/src/main/engine/index.ts
index 6c1d220..23dfd0e 100644
--- a/src/main/engine/index.ts
+++ b/src/main/engine/index.ts
@@ -93,3 +93,10 @@ export {
   type BlogGenerationOptions,
   type BlogGenerationResult,
 } from './BlogGenerationEngine';
+export {
+  MenuEngine,
+  getMenuEngine,
+  type MenuItemData,
+  type MenuDocument,
+  type MenuItemKind,
+} from './MenuEngine';
diff --git a/src/main/ipc/handlers.ts b/src/main/ipc/handlers.ts
index 507763c..67dcbff 100644
--- a/src/main/ipc/handlers.ts
+++ b/src/main/ipc/handlers.ts
@@ -6,6 +6,7 @@ import { getPostEngine, PostData, PostFilter, PaginationOptions } from '../engin
 import { getMediaEngine, MediaData } from '../engine/MediaEngine';
 import { getProjectEngine, ProjectData } from '../engine/ProjectEngine';
 import { getMetaEngine } from '../engine/MetaEngine';
+import { getMenuEngine, type MenuDocument } from '../engine/MenuEngine';
 import { getTagEngine } from '../engine/TagEngine';
 import { getPostMediaEngine } from '../engine/PostMediaEngine';
 import { getGitEngine } from '../engine/GitEngine';
@@ -248,10 +249,12 @@ export function registerIpcHandlers(): void {
       const postEngine = getPostEngine();
       const mediaEngine = getMediaEngine();
       const metaEngine = getMetaEngine();
+      const menuEngine = getMenuEngine();
       const tagEngine = getTagEngine();
       postEngine.setProjectContext(project.id, dataDir);
       mediaEngine.setProjectContext(project.id, dataDir, dataDir);
       metaEngine.setProjectContext(project.id, dataDir);
+      menuEngine.setProjectContext(project.id, dataDir);
       tagEngine.setProjectContext(project.id, dataDir);
       const postMediaEngine = getPostMediaEngine();
       postMediaEngine.setProjectContext(project.id);
@@ -284,10 +287,12 @@ export function registerIpcHandlers(): void {
       const postEngine = getPostEngine();
       const mediaEngine = getMediaEngine();
       const metaEngine = getMetaEngine();
+      const menuEngine = getMenuEngine();
       const tagEngine = getTagEngine();
       postEngine.setProjectContext(project.id, dataDir);
       mediaEngine.setProjectContext(project.id, dataDir, dataDir);
       metaEngine.setProjectContext(project.id, dataDir);
+      menuEngine.setProjectContext(project.id, dataDir);
       tagEngine.setProjectContext(project.id, dataDir);
       const postMediaEngine = getPostMediaEngine();
       postMediaEngine.setProjectContext(project.id);
@@ -813,6 +818,34 @@ export function registerIpcHandlers(): void {
 
   // ============ Meta Handlers ============
 
+  safeHandle('menu:get', async () => {
+    const projectEngine = getProjectEngine();
+    const menuEngine = getMenuEngine();
+    const project = await projectEngine.getActiveProject();
+
+    if (!project) {
+      throw new Error('No active project');
+    }
+
+    const dataDir = projectEngine.getDataDir(project.id, project.dataPath);
+    menuEngine.setProjectContext(project.id, dataDir);
+    return menuEngine.getMenu();
+  });
+
+  safeHandle('menu:save', async (_, menu: MenuDocument) => {
+    const projectEngine = getProjectEngine();
+    const menuEngine = getMenuEngine();
+    const project = await projectEngine.getActiveProject();
+
+    if (!project) {
+      throw new Error('No active project');
+    }
+
+    const dataDir = projectEngine.getDataDir(project.id, project.dataPath);
+    menuEngine.setProjectContext(project.id, dataDir);
+    return menuEngine.saveMenu(menu);
+  });
+
   safeHandle('meta:getTags', async () => {
     const engine = getMetaEngine();
     return engine.getTags();
diff --git a/src/main/preload.ts b/src/main/preload.ts
index f0540c9..464d9e3 100644
--- a/src/main/preload.ts
+++ b/src/main/preload.ts
@@ -258,6 +258,11 @@ export const electronAPI: ElectronAPI = {
     applyValidation: (report: SiteValidationReport) => ipcRenderer.invoke('blog:applyValidation', report),
   },
 
+  menu: {
+    get: () => ipcRenderer.invoke('menu:get'),
+    save: (menu: import('./shared/electronApi').MenuDocument) => ipcRenderer.invoke('menu:save', menu),
+  },
+
   // AI Chat (OpenCode Zen API integration)
   chat: {
     // API Key Management
diff --git a/src/main/shared/electronApi.ts b/src/main/shared/electronApi.ts
index 3d8911a..7aaca43 100644
--- a/src/main/shared/electronApi.ts
+++ b/src/main/shared/electronApi.ts
@@ -422,6 +422,21 @@ export interface SiteValidationApplyResult {
   removedEmptyDirCount: number;
 }
 
+export type MenuItemKind = 'page' | 'submenu';
+
+export interface MenuItemData {
+  id: string;
+  title: string;
+  kind: MenuItemKind;
+  pageId?: string;
+  pageSlug?: string;
+  children: MenuItemData[];
+}
+
+export interface MenuDocument {
+  items: MenuItemData[];
+}
+
 export interface ElectronAPI {
   git: {
     checkAvailability: () => Promise<GitAvailability>;
@@ -629,6 +644,10 @@ export interface ElectronAPI {
     validateSite: () => Promise<SiteValidationReport>;
     applyValidation: (report: SiteValidationReport) => Promise<SiteValidationApplyResult>;
   };
+  menu: {
+    get: () => Promise<MenuDocument>;
+    save: (menu: MenuDocument) => Promise<MenuDocument>;
+  };
   chat: {
     // API Key Management
     checkReady: () => Promise<ChatReadyStatus>;
diff --git a/src/main/shared/i18n/locales/de.json b/src/main/shared/i18n/locales/de.json
index 0dc05d7..7dc5944 100644
--- a/src/main/shared/i18n/locales/de.json
+++ b/src/main/shared/i18n/locales/de.json
@@ -36,6 +36,7 @@
   "menu.item.rebuildDatabase": "Datenbank aus Dateien neu aufbauen",
   "menu.item.reindexText": "Suchtext neu indizieren",
   "menu.item.metadataDiff": "Metadaten-Diff-Werkzeug",
+  "menu.item.editMenu": "Blog-Menü bearbeiten",
   "menu.item.generateSitemap": "Site rendern",
   "menu.item.validateSite": "Website validieren",
   "menu.item.about": "Über Blogging Desktop Server",
diff --git a/src/main/shared/i18n/locales/en.json b/src/main/shared/i18n/locales/en.json
index f3d1caf..9af019a 100644
--- a/src/main/shared/i18n/locales/en.json
+++ b/src/main/shared/i18n/locales/en.json
@@ -36,6 +36,7 @@
   "menu.item.rebuildDatabase": "Rebuild Database from Files",
   "menu.item.reindexText": "Reindex Search Text",
   "menu.item.metadataDiff": "Metadata Diff Tool",
+  "menu.item.editMenu": "Edit Blog Menu",
   "menu.item.generateSitemap": "Render Site",
   "menu.item.validateSite": "Validate Site",
   "menu.item.about": "About Blogging Desktop Server",
diff --git a/src/main/shared/i18n/locales/es.json b/src/main/shared/i18n/locales/es.json
index d91e0c2..bc3f0e9 100644
--- a/src/main/shared/i18n/locales/es.json
+++ b/src/main/shared/i18n/locales/es.json
@@ -36,6 +36,7 @@
   "menu.item.rebuildDatabase": "Reconstruir Database from Files",
   "menu.item.reindexText": "Reindex Buscar Text",
   "menu.item.metadataDiff": "Herramienta diff de metadatos",
+  "menu.item.editMenu": "Editar menú del blog",
   "menu.item.generateSitemap": "Renderizar sitio",
   "menu.item.validateSite": "Validar sitio",
   "menu.item.about": "Acerca de Blogging Desktop Server",
diff --git a/src/main/shared/i18n/locales/fr.json b/src/main/shared/i18n/locales/fr.json
index 0e8c759..54d42bf 100644
--- a/src/main/shared/i18n/locales/fr.json
+++ b/src/main/shared/i18n/locales/fr.json
@@ -36,6 +36,7 @@
   "menu.item.rebuildDatabase": "Reconstruire Database from Files",
   "menu.item.reindexText": "Reindex Recherche Text",
   "menu.item.metadataDiff": "Outil de diff des métadonnées",
+  "menu.item.editMenu": "Modifier le menu du blog",
   "menu.item.generateSitemap": "Rendre le site",
   "menu.item.validateSite": "Valider le site",
   "menu.item.about": "À propos de Blogging Desktop Server",
diff --git a/src/main/shared/i18n/locales/it.json b/src/main/shared/i18n/locales/it.json
index ec98be6..d1b6a32 100644
--- a/src/main/shared/i18n/locales/it.json
+++ b/src/main/shared/i18n/locales/it.json
@@ -36,6 +36,7 @@
   "menu.item.rebuildDatabase": "Ricostruisci Database from Files",
   "menu.item.reindexText": "Reindex Ricerca Text",
   "menu.item.metadataDiff": "Strumento diff metadati",
+  "menu.item.editMenu": "Modifica menu blog",
   "menu.item.generateSitemap": "Renderizza sito",
   "menu.item.validateSite": "Valida sito",
   "menu.item.about": "Informazioni su Blogging Desktop Server",
diff --git a/src/main/shared/menuCommands.ts b/src/main/shared/menuCommands.ts
index e5c923e..e623d52 100644
--- a/src/main/shared/menuCommands.ts
+++ b/src/main/shared/menuCommands.ts
@@ -31,6 +31,7 @@ export type AppMenuAction =
   | 'rebuildDatabase'
   | 'reindexText'
   | 'metadataDiff'
+  | 'editMenu'
   | 'generateSitemap'
   | 'validateSite'
   | 'openDocumentation'
@@ -123,6 +124,7 @@ export const APP_MENU_GROUPS: AppMenuGroupDefinition[] = [
       { label: 'menu.item.reindexText', action: 'reindexText' },
       { label: '', action: 'blog-separator-3', separator: true },
       { label: 'menu.item.metadataDiff', action: 'metadataDiff' },
+      { label: 'menu.item.editMenu', action: 'editMenu' },
       { label: 'menu.item.generateSitemap', action: 'generateSitemap', accelerator: 'CmdOrCtrl+R' },
       { label: 'menu.item.validateSite', action: 'validateSite', accelerator: 'CmdOrCtrl+Shift+L' },
     ],
@@ -156,6 +158,7 @@ export const APP_MENU_ACTION_EVENT_MAP: Partial<Record<AppMenuAction, string>> =
   rebuildDatabase: 'menu:rebuildDatabase',
   reindexText: 'menu:reindexText',
   metadataDiff: 'menu:metadataDiff',
+  editMenu: 'menu:editMenu',
   generateSitemap: 'menu:generateSitemap',
   validateSite: 'menu:validateSite',
   openDocumentation: 'menu:openDocumentation',
diff --git a/src/renderer/App.tsx b/src/renderer/App.tsx
index d07f5c8..890a7d8 100644
--- a/src/renderer/App.tsx
+++ b/src/renderer/App.tsx
@@ -276,6 +276,12 @@ const App: React.FC = () => {
       }) || (() => {})
     );
 
+    unsubscribers.push(
+      window.electronAPI?.on('menu:editMenu', () => {
+        openSingletonToolTab(openTab, 'menu-editor');
+      }) || (() => {})
+    );
+
     // Rebuild events - clear store on start, reload on complete
     unsubscribers.push(
       window.electronAPI?.on('posts:rebuildStarted', () => {
diff --git a/src/renderer/components/Editor/Editor.tsx b/src/renderer/components/Editor/Editor.tsx
index 9bc0c0f..2547747 100644
--- a/src/renderer/components/Editor/Editor.tsx
+++ b/src/renderer/components/Editor/Editor.tsx
@@ -14,6 +14,7 @@ import { TagsView } from '../TagsView';
 import { TagInput } from '../TagInput';
 import { ChatPanel } from '../ChatPanel';
 import { ImportAnalysisView } from '../ImportAnalysisView';
+import { MenuEditorView } from '../MenuEditorView/MenuEditorView';
 import { MetadataDiffPanel } from '../MetadataDiffPanel';
 import { GitDiffView } from '../GitDiffView/GitDiffView';
 import { DocumentationView } from '../DocumentationView/DocumentationView';
@@ -1784,6 +1785,7 @@ export const Editor: React.FC = () => {
     chat: () => (editorRoute.tabId ? <ChatPanel key={editorRoute.tabId} conversationId={editorRoute.tabId} /> : <Dashboard />),
     import: () =>
       editorRoute.tabId ? <ImportAnalysisView key={editorRoute.tabId} definitionId={editorRoute.tabId} /> : <Dashboard />,
+    'menu-editor': () => <MenuEditorView />,
     'metadata-diff': () => <MetadataDiffPanel />,
     'git-diff': () =>
       editorRoute.tabId && editorRoute.gitDiffResource
diff --git a/src/renderer/components/MenuEditorView/MenuEditorView.css b/src/renderer/components/MenuEditorView/MenuEditorView.css
new file mode 100644
index 0000000..3da75c3
--- /dev/null
+++ b/src/renderer/components/MenuEditorView/MenuEditorView.css
@@ -0,0 +1,196 @@
+.menu-editor-view {
+  padding: 1rem;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+  position: relative;
+}
+
+.menu-editor-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 1rem;
+}
+
+.menu-editor-header h2 {
+  margin: 0;
+}
+
+.menu-editor-header p {
+  margin: 0.25rem 0 0;
+  color: var(--vscode-descriptionForeground);
+}
+
+.menu-editor-loading,
+.menu-editor-empty {
+  color: var(--vscode-descriptionForeground);
+}
+
+.menu-editor-main {
+  display: grid;
+  grid-template-columns: minmax(480px, 1fr) minmax(280px, 340px);
+  gap: 0.75rem;
+  min-height: 0;
+  flex: 1;
+}
+
+.menu-editor-tree-wrap,
+.menu-editor-details {
+  border: 1px solid var(--vscode-panel-border);
+  border-radius: 6px;
+  background: var(--vscode-editor-background);
+  padding: 0.5rem;
+  min-height: 0;
+}
+
+.menu-editor-toolbar {
+  display: flex;
+  align-items: center;
+  gap: 0.2rem;
+  margin-bottom: 0.5rem;
+  padding-bottom: 0.4rem;
+  border-bottom: 1px solid var(--vscode-panel-border);
+}
+
+.menu-editor-tool {
+  width: 1.8rem;
+  height: 1.8rem;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  border: 1px solid transparent;
+  border-radius: 4px;
+  background: transparent;
+  color: var(--vscode-foreground);
+  cursor: pointer;
+  padding: 0;
+}
+
+.menu-editor-tool:hover:not(:disabled) {
+  background: var(--vscode-toolbar-hoverBackground);
+  border-color: var(--vscode-panel-border);
+}
+
+.menu-editor-tool:disabled {
+  opacity: 0.45;
+  cursor: not-allowed;
+}
+
+.menu-editor-row {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.2rem 0.4rem;
+  border-radius: 4px;
+  cursor: pointer;
+}
+
+.menu-editor-row.is-selected {
+  background: var(--vscode-list-activeSelectionBackground);
+  color: var(--vscode-list-activeSelectionForeground);
+}
+
+.menu-editor-row-kind {
+  font-size: 0.75rem;
+  opacity: 0.85;
+}
+
+.menu-editor-row-title {
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.menu-editor-details {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
+.menu-editor-details h3 {
+  margin: 0;
+}
+
+.menu-editor-details label {
+  display: flex;
+  flex-direction: column;
+  gap: 0.35rem;
+}
+
+.menu-editor-picker-backdrop {
+  position: absolute;
+  inset: 0;
+  background: color-mix(in srgb, var(--vscode-editor-background) 75%, black);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.menu-editor-picker {
+  width: min(580px, 90%);
+  max-height: 75%;
+  border: 1px solid var(--vscode-panel-border);
+  background: var(--vscode-editor-background);
+  border-radius: 6px;
+  padding: 0.75rem;
+  display: flex;
+  flex-direction: column;
+  gap: 0.6rem;
+}
+
+.menu-editor-picker-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.menu-editor-picker-header h3 {
+  margin: 0;
+}
+
+.menu-editor-picker-list {
+  display: flex;
+  flex-direction: column;
+  gap: 0.35rem;
+  overflow: auto;
+}
+
+.menu-editor-picker-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  width: 100%;
+  border: 1px solid var(--vscode-panel-border);
+  border-radius: 4px;
+  background: var(--vscode-input-background);
+  color: var(--vscode-input-foreground);
+  padding: 0.45rem 0.55rem;
+  text-align: left;
+  cursor: pointer;
+}
+
+.menu-editor-picker-item:hover {
+  border-color: var(--vscode-focusBorder);
+  background: var(--vscode-list-hoverBackground);
+}
+
+.menu-editor-picker-item.is-active {
+  border-color: var(--vscode-focusBorder);
+  background: var(--vscode-list-activeSelectionBackground);
+  color: var(--vscode-list-activeSelectionForeground);
+}
+
+.menu-editor-picker-item.is-active small {
+  color: var(--vscode-list-activeSelectionForeground);
+  opacity: 0.8;
+}
+
+.menu-editor-picker-item small {
+  color: var(--vscode-descriptionForeground);
+}
+
+.menu-editor-picker-state {
+  color: var(--vscode-descriptionForeground);
+}
diff --git a/src/renderer/components/MenuEditorView/MenuEditorView.tsx b/src/renderer/components/MenuEditorView/MenuEditorView.tsx
new file mode 100644
index 0000000..6ea0fe4
--- /dev/null
+++ b/src/renderer/components/MenuEditorView/MenuEditorView.tsx
@@ -0,0 +1,650 @@
+import React, { useEffect, useMemo, useRef, useState } from 'react';
+import { Tree } from 'react-arborist';
+import { useI18n } from '../../i18n';
+import { showToast } from '../Toast';
+import type { MenuDocument, MenuItemData, MenuItemKind, PostData } from '../../../main/shared/electronApi';
+import { createAutoExpandController } from './menuAutoExpand';
+import {
+  createMenuPageItemFromPost,
+  filterPagePosts,
+  getNextPickerIndex,
+  isPickerCloseKey,
+  isPickerFocusShortcut,
+} from './menuPagePicker';
+import { applyTreeMove } from './menuTreeMove';
+import './MenuEditorView.css';
+
+function createMenuItem(kind: MenuItemKind, title: string): MenuItemData {
+  return {
+    id: `menu-item-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
+    title,
+    kind,
+    pageId: undefined,
+    pageSlug: undefined,
+    children: [],
+  };
+}
+
+function findPathById(items: MenuItemData[], id: string, path: number[] = []): number[] | null {
+  for (let index = 0; index < items.length; index += 1) {
+    const item = items[index];
+    const nextPath = [...path, index];
+    if (item.id === id) {
+      return nextPath;
+    }
+
+    const nested = findPathById(item.children, id, nextPath);
+    if (nested) {
+      return nested;
+    }
+  }
+
+  return null;
+}
+
+function updateItemsAtLevel(
+  items: MenuItemData[],
+  path: number[],
+  updater: (level: MenuItemData[]) => MenuItemData[],
+): MenuItemData[] {
+  if (path.length === 0) {
+    return updater(items);
+  }
+
+  const [head, ...tail] = path;
+  return items.map((item, index) => {
+    if (index !== head) {
+      return item;
+    }
+
+    return {
+      ...item,
+      children: updateItemsAtLevel(item.children, tail, updater),
+    };
+  });
+}
+
+function removeItemByPath(items: MenuItemData[], path: number[]): { next: MenuItemData[]; removed: MenuItemData | null } {
+  if (path.length === 0) {
+    return { next: items, removed: null };
+  }
+
+  if (path.length === 1) {
+    const [index] = path;
+    if (index < 0 || index >= items.length) {
+      return { next: items, removed: null };
+    }
+    const removed = items[index];
+    return {
+      next: items.filter((_, currentIndex) => currentIndex !== index),
+      removed,
+    };
+  }
+
+  const [head, ...tail] = path;
+  const current = items[head];
+  if (!current) {
+    return { next: items, removed: null };
+  }
+
+  const nested = removeItemByPath(current.children, tail);
+  if (!nested.removed) {
+    return { next: items, removed: null };
+  }
+
+  const next = items.map((item, index) => (index === head ? { ...item, children: nested.next } : item));
+  return { next, removed: nested.removed };
+}
+
+function insertItemAtPath(items: MenuItemData[], parentPath: number[], index: number, node: MenuItemData): MenuItemData[] {
+  if (parentPath.length === 0) {
+    const boundedIndex = Math.max(0, Math.min(index, items.length));
+    return [...items.slice(0, boundedIndex), node, ...items.slice(boundedIndex)];
+  }
+
+  const [head, ...tail] = parentPath;
+  return items.map((item, currentIndex) => {
+    if (currentIndex !== head) {
+      return item;
+    }
+
+    return {
+      ...item,
+      children: insertItemAtPath(item.children, tail, index, node),
+    };
+  });
+}
+
+function mapItems(items: MenuItemData[], mapper: (item: MenuItemData) => MenuItemData): MenuItemData[] {
+  return items.map((item) => {
+    const mapped = mapper(item);
+    if (mapped.children.length === 0) {
+      return mapped;
+    }
+
+    return {
+      ...mapped,
+      children: mapItems(mapped.children, mapper),
+    };
+  });
+}
+
+export const MenuEditorView: React.FC = () => {
+  const { t: tr } = useI18n();
+  const [items, setItems] = useState<MenuItemData[]>([]);
+  const [selectedId, setSelectedId] = useState<string | null>(null);
+  const [isLoading, setIsLoading] = useState(true);
+  const [isSaving, setIsSaving] = useState(false);
+  const [showPagePicker, setShowPagePicker] = useState(false);
+  const [pagePickerParentId, setPagePickerParentId] = useState<string | null>(null);
+  const [pagePickerLoading, setPagePickerLoading] = useState(false);
+  const [pagePickerQuery, setPagePickerQuery] = useState('');
+  const [pagePickerPosts, setPagePickerPosts] = useState<PostData[]>([]);
+  const [pagePickerActiveIndex, setPagePickerActiveIndex] = useState(-1);
+  const pagePickerInputRef = useRef<HTMLInputElement | null>(null);
+  const autoExpandController = useMemo(() => createAutoExpandController(450), []);
+
+  useEffect(() => {
+    const load = async () => {
+      setIsLoading(true);
+      try {
+        const menu = await window.electronAPI.menu.get();
+        setItems(menu.items);
+        setSelectedId(menu.items[0]?.id ?? null);
+      } catch (error) {
+        console.error('Failed to load menu:', error);
+        showToast.error(tr('menuEditor.loadError'));
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    void load();
+  }, [tr]);
+
+  useEffect(() => {
+    return () => {
+      autoExpandController.cancelAll();
+    };
+  }, [autoExpandController]);
+
+  const selectedPath = useMemo(() => {
+    if (!selectedId) {
+      return null;
+    }
+    return findPathById(items, selectedId);
+  }, [items, selectedId]);
+
+  const selectedItem = useMemo(() => {
+    if (!selectedPath || selectedPath.length === 0) {
+      return null;
+    }
+
+    let currentItems = items;
+    let current: MenuItemData | null = null;
+    for (const segment of selectedPath) {
+      current = currentItems[segment] || null;
+      if (!current) {
+        return null;
+      }
+      currentItems = current.children;
+    }
+
+    return current;
+  }, [items, selectedPath]);
+
+  const filteredPagePosts = useMemo(() => {
+    return filterPagePosts(pagePickerPosts, pagePickerQuery);
+  }, [pagePickerPosts, pagePickerQuery]);
+
+  const replaceSelected = (updater: (item: MenuItemData) => MenuItemData): void => {
+    if (!selectedId) {
+      return;
+    }
+
+    setItems((previous) => mapItems(previous, (item) => (item.id === selectedId ? updater(item) : item)));
+  };
+
+  const insertItem = (previous: MenuItemData[], node: MenuItemData, parentId: string | null): MenuItemData[] => {
+    if (!parentId) {
+      return [...previous, node];
+    }
+
+    return mapItems(previous, (item) => {
+      if (item.id !== parentId) {
+        return item;
+      }
+
+      return {
+        ...item,
+        children: [...item.children, node],
+      };
+    });
+  };
+
+  const closePagePicker = (): void => {
+    setShowPagePicker(false);
+    setPagePickerParentId(null);
+    setPagePickerQuery('');
+    setPagePickerActiveIndex(-1);
+  };
+
+  const openPagePicker = async (parentId: string | null): Promise<void> => {
+    setShowPagePicker(true);
+    setPagePickerParentId(parentId);
+    setPagePickerQuery('');
+    setPagePickerActiveIndex(-1);
+    setPagePickerLoading(true);
+    try {
+      const posts = await window.electronAPI.posts.filter({ categories: ['page'] });
+      setPagePickerPosts(posts);
+    } catch (error) {
+      console.error('Failed to load page posts:', error);
+      showToast.error(tr('menuEditor.pagePicker.loadError'));
+      setPagePickerPosts([]);
+    } finally {
+      setPagePickerLoading(false);
+    }
+  };
+
+  const selectPageForMenu = (post: PostData): void => {
+    const node = createMenuPageItemFromPost(post);
+    setItems((previous) => insertItem(previous, node, pagePickerParentId));
+    setSelectedId(node.id);
+    closePagePicker();
+  };
+
+  useEffect(() => {
+    if (!showPagePicker) {
+      return;
+    }
+
+    if (filteredPagePosts.length === 0) {
+      setPagePickerActiveIndex(-1);
+      return;
+    }
+
+    setPagePickerActiveIndex((previous) => {
+      if (previous < 0) {
+        return 0;
+      }
+      return Math.min(previous, filteredPagePosts.length - 1);
+    });
+  }, [filteredPagePosts, showPagePicker]);
+
+  useEffect(() => {
+    if (!showPagePicker) {
+      return;
+    }
+
+    const onWindowKeyDown = (event: KeyboardEvent): void => {
+      if (isPickerFocusShortcut({ key: event.key, metaKey: event.metaKey, ctrlKey: event.ctrlKey })) {
+        event.preventDefault();
+        pagePickerInputRef.current?.focus();
+        pagePickerInputRef.current?.select();
+      }
+    };
+
+    window.addEventListener('keydown', onWindowKeyDown);
+    return () => {
+      window.removeEventListener('keydown', onWindowKeyDown);
+    };
+  }, [showPagePicker]);
+
+  const addRootItem = (kind: MenuItemKind): void => {
+    if (kind === 'page') {
+      void openPagePicker(null);
+      return;
+    }
+
+    const title = kind === 'page' ? tr('menuEditor.newPage') : tr('menuEditor.newSubmenu');
+    const node = createMenuItem(kind, title);
+    setItems((previous) => [...previous, node]);
+    setSelectedId(node.id);
+  };
+
+  const addChildItem = (kind: MenuItemKind): void => {
+    if (!selectedId) {
+      addRootItem(kind);
+      return;
+    }
+
+    if (kind === 'page') {
+      void openPagePicker(selectedId);
+      return;
+    }
+
+    const title = kind === 'page' ? tr('menuEditor.newPage') : tr('menuEditor.newSubmenu');
+    const node = createMenuItem(kind, title);
+
+    setItems((previous) => mapItems(previous, (item) => {
+      if (item.id !== selectedId) {
+        return item;
+      }
+
+      return {
+        ...item,
+        children: [...item.children, node],
+      };
+    }));
+    setSelectedId(node.id);
+  };
+
+  const moveSelected = (direction: 'up' | 'down'): void => {
+    if (!selectedPath || selectedPath.length === 0) {
+      return;
+    }
+
+    const parentPath = selectedPath.slice(0, -1);
+    const index = selectedPath[selectedPath.length - 1];
+    const delta = direction === 'up' ? -1 : 1;
+
+    setItems((previous) => updateItemsAtLevel(previous, parentPath, (level) => {
+      const targetIndex = index + delta;
+      if (targetIndex < 0 || targetIndex >= level.length) {
+        return level;
+      }
+
+      const next = [...level];
+      const [moved] = next.splice(index, 1);
+      next.splice(targetIndex, 0, moved);
+      return next;
+    }));
+  };
+
+  const indentSelected = (): void => {
+    if (!selectedPath || selectedPath.length === 0) {
+      return;
+    }
+
+    const index = selectedPath[selectedPath.length - 1];
+    if (index <= 0) {
+      return;
+    }
+
+    const parentPath = selectedPath.slice(0, -1);
+    setItems((previous) => {
+      const removed = removeItemByPath(previous, selectedPath);
+      if (!removed.removed) {
+        return previous;
+      }
+
+      const previousSiblingPath = [...parentPath, index - 1];
+      return updateItemsAtLevel(removed.next, previousSiblingPath, (level) => [...level, removed.removed as MenuItemData]);
+    });
+  };
+
+  const unindentSelected = (): void => {
+    if (!selectedPath || selectedPath.length < 2) {
+      return;
+    }
+
+    const parentPath = selectedPath.slice(0, -1);
+    const parentIndex = parentPath[parentPath.length - 1];
+    const grandParentPath = parentPath.slice(0, -1);
+
+    setItems((previous) => {
+      const removed = removeItemByPath(previous, selectedPath);
+      if (!removed.removed) {
+        return previous;
+      }
+
+      return insertItemAtPath(removed.next, grandParentPath, parentIndex + 1, removed.removed);
+    });
+  };
+
+  const deleteSelected = (): void => {
+    if (!selectedPath || selectedPath.length === 0 || !selectedId) {
+      return;
+    }
+
+    setItems((previous) => {
+      const removed = removeItemByPath(previous, selectedPath);
+      return removed.next;
+    });
+    setSelectedId(null);
+  };
+
+  const save = async (): Promise<void> => {
+    setIsSaving(true);
+    try {
+      const payload: MenuDocument = { items };
+      const saved = await window.electronAPI.menu.save(payload);
+      setItems(saved.items);
+      showToast.success(tr('menuEditor.saved'));
+    } catch (error) {
+      console.error('Failed to save menu:', error);
+      showToast.error(tr('menuEditor.saveFailed'));
+    } finally {
+      setIsSaving(false);
+    }
+  };
+
+  return (
+    <div className="menu-editor-view">
+      <div className="menu-editor-header">
+        <div>
+          <h2>{tr('menuEditor.title')}</h2>
+          <p>{tr('menuEditor.description')}</p>
+        </div>
+      </div>
+
+      {isLoading ? (
+        <div className="menu-editor-loading">{tr('menuEditor.loading')}</div>
+      ) : (
+        <div className="menu-editor-main">
+          <div className="menu-editor-tree-wrap">
+            <div className="menu-editor-toolbar" role="toolbar" aria-label={tr('menuEditor.title')}>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.addPage')} aria-label={tr('menuEditor.addPage')} onClick={() => addRootItem('page')}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M3 2h6l4 4v8H3V2zm6 1.5V6h2.5L9 3.5zM7 8V6h2v2h2v2H9v2H7v-2H5V8h2z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.addSubmenu')} aria-label={tr('menuEditor.addSubmenu')} onClick={() => addRootItem('submenu')}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 3h8v2H2V3zm0 4h8v2H2V7zm0 4h8v2H2v-2zm9-8h3v3h-1V4h-2V3zm2 4h1v6h-6v-1h5V7z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.addChildPage')} aria-label={tr('menuEditor.addChildPage')} onClick={() => addChildItem('page')}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 3h5v2H4v6h3v2H2V3zm6 5V6h2v2h2v2h-2v2H8v-2H6V8h2z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.addChildSubmenu')} aria-label={tr('menuEditor.addChildSubmenu')} onClick={() => addChildItem('submenu')}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 3h5v2H4v6h3v2H2V3zm5 2h7v2H7V5zm3 3h4v2h-4V8zm0 3h4v2h-4v-2z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.moveUp')} aria-label={tr('menuEditor.moveUp')} onClick={() => moveSelected('up')} disabled={!selectedPath}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M8 3l4 4H9v6H7V7H4l4-4z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.moveDown')} aria-label={tr('menuEditor.moveDown')} onClick={() => moveSelected('down')} disabled={!selectedPath}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M7 3h2v6h3l-4 4-4-4h3V3z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.indent')} aria-label={tr('menuEditor.indent')} onClick={indentSelected} disabled={!selectedPath || selectedPath[selectedPath.length - 1] === 0}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 4h8v2H2V4zm0 3h4v2H2V7zm0 3h8v2H2v-2zm6-1 3 2-3 2V9z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.unindent')} aria-label={tr('menuEditor.unindent')} onClick={unindentSelected} disabled={!selectedPath || selectedPath.length < 2}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 4h8v2H2V4zm0 3h4v2H2V7zm0 3h8v2H2v-2zm3-1-3 2 3 2V9z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.delete')} aria-label={tr('menuEditor.delete')} onClick={deleteSelected} disabled={!selectedPath}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M6 2h4l1 1h3v2H2V3h3l1-1zm-1 4h2v6H5V6zm4 0h2v6H9V6z" /></svg>
+              </button>
+              <button type="button" className="menu-editor-tool" title={tr('menuEditor.save')} aria-label={tr('menuEditor.save')} onClick={() => void save()} disabled={isSaving}>
+                <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M2 2h9l3 3v9H2V2zm2 1v3h6V3H4zm0 9h8V7H4v5z" /></svg>
+              </button>
+            </div>
+
+            {items.length === 0 ? (
+              <div className="menu-editor-empty">{tr('menuEditor.empty')}</div>
+            ) : (
+              <Tree<MenuItemData>
+                data={items}
+                width={720}
+                height={420}
+                rowHeight={30}
+                indent={20}
+                openByDefault
+                disableEdit
+                disableMultiSelection
+                onMove={({ dragIds, parentId, index }) => {
+                  setItems((previous) => applyTreeMove(previous, {
+                    dragIds,
+                    parentId,
+                    index,
+                  }));
+                }}
+                onSelect={(nodes) => {
+                  setSelectedId(nodes[0]?.data.id || null);
+                }}
+              >
+                {({ node, style, tree }) => (
+                  <div
+                    style={style}
+                    className={`menu-editor-row ${selectedId === node.data.id ? 'is-selected' : ''}`}
+                    onClick={() => setSelectedId(node.data.id)}
+                    onMouseEnter={() => {
+                      if (!tree.dragNode || !node.isInternal || node.isOpen) {
+                        autoExpandController.cancel(node.id);
+                        return;
+                      }
+
+                      autoExpandController.schedule(node.id, () => {
+                        node.open();
+                      });
+                    }}
+                    onMouseLeave={() => {
+                      autoExpandController.cancel(node.id);
+                    }}
+                  >
+                    <span className="menu-editor-row-kind">
+                      {node.data.kind === 'page' ? tr('menuEditor.type.page') : tr('menuEditor.type.submenu')}
+                    </span>
+                    <span className="menu-editor-row-title">{node.data.title}</span>
+                  </div>
+                )}
+              </Tree>
+            )}
+          </div>
+
+          <div className="menu-editor-details">
+            <h3>{tr('menuEditor.details')}</h3>
+            {!selectedItem ? (
+              <p>{tr('menuEditor.selectItem')}</p>
+            ) : (
+              <>
+                <label>
+                  <span>{tr('menuEditor.field.title')}</span>
+                  <input
+                    type="text"
+                    value={selectedItem.title}
+                    onChange={(event) => {
+                      const value = event.target.value;
+                      replaceSelected((item) => ({ ...item, title: value }));
+                    }}
+                  />
+                </label>
+
+                <label>
+                  <span>{tr('menuEditor.field.type')}</span>
+                  <select
+                    value={selectedItem.kind}
+                    onChange={(event) => {
+                      const value = event.target.value as MenuItemKind;
+                      replaceSelected((item) => ({ ...item, kind: value }));
+                    }}
+                  >
+                    <option value="page">{tr('menuEditor.type.page')}</option>
+                    <option value="submenu">{tr('menuEditor.type.submenu')}</option>
+                  </select>
+                </label>
+
+                {selectedItem.kind === 'page' && (
+                  <>
+                    <label>
+                      <span>{tr('menuEditor.field.pageSlug')}</span>
+                      <input
+                        type="text"
+                        value={selectedItem.pageSlug || ''}
+                        onChange={(event) => {
+                          const value = event.target.value;
+                          replaceSelected((item) => ({ ...item, pageSlug: value || undefined }));
+                        }}
+                      />
+                    </label>
+
+                    <label>
+                      <span>{tr('menuEditor.field.pageId')}</span>
+                      <input
+                        type="text"
+                        value={selectedItem.pageId || ''}
+                        onChange={(event) => {
+                          const value = event.target.value;
+                          replaceSelected((item) => ({ ...item, pageId: value || undefined }));
+                        }}
+                      />
+                    </label>
+                  </>
+                )}
+              </>
+            )}
+          </div>
+        </div>
+      )}
+
+      {showPagePicker && (
+        <div className="menu-editor-picker-backdrop" onClick={closePagePicker}>
+          <div className="menu-editor-picker" onClick={(event) => event.stopPropagation()}>
+            <div className="menu-editor-picker-header">
+              <h3>{tr('menuEditor.pagePicker.title')}</h3>
+              <button type="button" onClick={closePagePicker}>{tr('common.cancel')}</button>
+            </div>
+
+            <input
+              ref={pagePickerInputRef}
+              type="text"
+              value={pagePickerQuery}
+              onChange={(event) => setPagePickerQuery(event.target.value)}
+              onKeyDown={(event) => {
+                if (isPickerCloseKey(event.key)) {
+                  event.preventDefault();
+                  closePagePicker();
+                  return;
+                }
+
+                if (event.key === 'ArrowDown' || event.key === 'ArrowUp') {
+                  event.preventDefault();
+                  setPagePickerActiveIndex((previous) => getNextPickerIndex(previous, event.key, filteredPagePosts.length));
+                  return;
+                }
+
+                if (event.key === 'Enter' && pagePickerActiveIndex >= 0 && pagePickerActiveIndex < filteredPagePosts.length) {
+                  event.preventDefault();
+                  selectPageForMenu(filteredPagePosts[pagePickerActiveIndex]);
+                }
+              }}
+              placeholder={tr('menuEditor.pagePicker.searchPlaceholder')}
+              autoFocus
+            />
+
+            {pagePickerLoading ? (
+              <div className="menu-editor-picker-state">{tr('menuEditor.pagePicker.loading')}</div>
+            ) : filteredPagePosts.length === 0 ? (
+              <div className="menu-editor-picker-state">{tr('menuEditor.pagePicker.empty')}</div>
+            ) : (
+              <div className="menu-editor-picker-list">
+                {filteredPagePosts.map((post) => (
+                  <button
+                    key={post.id}
+                    type="button"
+                    className={`menu-editor-picker-item ${filteredPagePosts[pagePickerActiveIndex]?.id === post.id ? 'is-active' : ''}`}
+                    onClick={() => selectPageForMenu(post)}
+                    onMouseEnter={() => {
+                      const nextIndex = filteredPagePosts.findIndex((candidate) => candidate.id === post.id);
+                      setPagePickerActiveIndex(nextIndex);
+                    }}
+                  >
+                    <span>{post.title}</span>
+                    <small>/{post.slug}</small>
+                  </button>
+                ))}
+              </div>
+            )}
+          </div>
+        </div>
+      )}
+    </div>
+  );
+};
diff --git a/src/renderer/components/MenuEditorView/menuAutoExpand.ts b/src/renderer/components/MenuEditorView/menuAutoExpand.ts
new file mode 100644
index 0000000..d535461
--- /dev/null
+++ b/src/renderer/components/MenuEditorView/menuAutoExpand.ts
@@ -0,0 +1,43 @@
+interface AutoExpandController {
+  schedule: (id: string, callback: () => void) => void;
+  cancel: (id: string) => void;
+  cancelAll: () => void;
+}
+
+export function createAutoExpandController(delayMs: number): AutoExpandController {
+  const timers = new Map<string, ReturnType<typeof setTimeout>>();
+
+  const cancel = (id: string): void => {
+    const timer = timers.get(id);
+    if (!timer) {
+      return;
+    }
+
+    clearTimeout(timer);
+    timers.delete(id);
+  };
+
+  const cancelAll = (): void => {
+    for (const timer of timers.values()) {
+      clearTimeout(timer);
+    }
+    timers.clear();
+  };
+
+  const schedule = (id: string, callback: () => void): void => {
+    cancel(id);
+
+    const timer = setTimeout(() => {
+      timers.delete(id);
+      callback();
+    }, delayMs);
+
+    timers.set(id, timer);
+  };
+
+  return {
+    schedule,
+    cancel,
+    cancelAll,
+  };
+}
diff --git a/src/renderer/components/MenuEditorView/menuPagePicker.ts b/src/renderer/components/MenuEditorView/menuPagePicker.ts
new file mode 100644
index 0000000..ff29a73
--- /dev/null
+++ b/src/renderer/components/MenuEditorView/menuPagePicker.ts
@@ -0,0 +1,55 @@
+import type { MenuItemData, PostData } from '../../../main/shared/electronApi';
+
+function createMenuItemId(): string {
+  return `menu-item-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`;
+}
+
+export function filterPagePosts(posts: PostData[], query: string): PostData[] {
+  const normalized = query.trim().toLowerCase();
+
+  return posts.filter((post) => {
+    if (!(post.categories || []).includes('page')) {
+      return false;
+    }
+
+    if (!normalized) {
+      return true;
+    }
+
+    return post.title.toLowerCase().includes(normalized) || post.slug.toLowerCase().includes(normalized);
+  });
+}
+
+export function createMenuPageItemFromPost(post: PostData): MenuItemData {
+  return {
+    id: createMenuItemId(),
+    title: post.title,
+    kind: 'page',
+    pageId: post.id,
+    pageSlug: post.slug,
+    children: [],
+  };
+}
+
+export function getNextPickerIndex(currentIndex: number, key: 'ArrowDown' | 'ArrowUp', total: number): number {
+  if (total <= 0) {
+    return -1;
+  }
+
+  if (key === 'ArrowDown') {
+    const next = currentIndex + 1;
+    return next >= total ? 0 : Math.max(0, next);
+  }
+
+  const next = currentIndex < 0 ? total - 1 : currentIndex - 1;
+  return next < 0 ? total - 1 : next;
+}
+
+export function isPickerCloseKey(key: string): boolean {
+  return key === 'Escape';
+}
+
+export function isPickerFocusShortcut(event: { key: string; metaKey: boolean; ctrlKey: boolean }): boolean {
+  const normalizedKey = event.key.toLowerCase();
+  return normalizedKey === 'k' && (event.metaKey || event.ctrlKey);
+}
diff --git a/src/renderer/components/MenuEditorView/menuTreeMove.ts b/src/renderer/components/MenuEditorView/menuTreeMove.ts
new file mode 100644
index 0000000..134e991
--- /dev/null
+++ b/src/renderer/components/MenuEditorView/menuTreeMove.ts
@@ -0,0 +1,115 @@
+import type { MenuItemData } from '../../../main/shared/electronApi';
+
+export type MenuTreeItem = MenuItemData;
+
+interface TreeMoveInput {
+  dragIds: string[];
+  parentId: string | null;
+  index: number;
+}
+
+function findPathById(items: MenuTreeItem[], id: string, path: number[] = []): number[] | null {
+  for (let index = 0; index < items.length; index += 1) {
+    const item = items[index];
+    const nextPath = [...path, index];
+    if (item.id === id) {
+      return nextPath;
+    }
+
+    const nested = findPathById(item.children, id, nextPath);
+    if (nested) {
+      return nested;
+    }
+  }
+
+  return null;
+}
+
+function removeItemByPath(items: MenuTreeItem[], path: number[]): { next: MenuTreeItem[]; removed: MenuTreeItem | null } {
+  if (path.length === 0) {
+    return { next: items, removed: null };
+  }
+
+  if (path.length === 1) {
+    const [index] = path;
+    if (index < 0 || index >= items.length) {
+      return { next: items, removed: null };
+    }
+
+    const removed = items[index];
+    return {
+      next: items.filter((_, currentIndex) => currentIndex !== index),
+      removed,
+    };
+  }
+
+  const [head, ...tail] = path;
+  const current = items[head];
+  if (!current) {
+    return { next: items, removed: null };
+  }
+
+  const nested = removeItemByPath(current.children, tail);
+  if (!nested.removed) {
+    return { next: items, removed: null };
+  }
+
+  const next = items.map((item, index) => (index === head ? { ...item, children: nested.next } : item));
+  return { next, removed: nested.removed };
+}
+
+function insertItemsAtPath(items: MenuTreeItem[], parentPath: number[], index: number, nodes: MenuTreeItem[]): MenuTreeItem[] {
+  if (parentPath.length === 0) {
+    const boundedIndex = Math.max(0, Math.min(index, items.length));
+    return [
+      ...items.slice(0, boundedIndex),
+      ...nodes,
+      ...items.slice(boundedIndex),
+    ];
+  }
+
+  const [head, ...tail] = parentPath;
+  return items.map((item, currentIndex) => {
+    if (currentIndex !== head) {
+      return item;
+    }
+
+    return {
+      ...item,
+      children: insertItemsAtPath(item.children, tail, index, nodes),
+    };
+  });
+}
+
+export function applyTreeMove(items: MenuTreeItem[], move: TreeMoveInput): MenuTreeItem[] {
+  if (!move.dragIds.length) {
+    return items;
+  }
+
+  let working = items;
+  const draggedNodes: MenuTreeItem[] = [];
+
+  for (const dragId of move.dragIds) {
+    const path = findPathById(working, dragId);
+    if (!path) {
+      continue;
+    }
+
+    const removed = removeItemByPath(working, path);
+    if (removed.removed) {
+      draggedNodes.push(removed.removed);
+      working = removed.next;
+    }
+  }
+
+  if (!draggedNodes.length) {
+    return items;
+  }
+
+  const parentPath = move.parentId ? findPathById(working, move.parentId) : [];
+  if (move.parentId && !parentPath) {
+    return working;
+  }
+
+  return insertItemsAtPath(working, parentPath || [], move.index, draggedNodes);
+}
diff --git a/src/renderer/components/TabBar/TabBar.tsx b/src/renderer/components/TabBar/TabBar.tsx
index f0c955b..8a128d6 100644
--- a/src/renderer/components/TabBar/TabBar.tsx
+++ b/src/renderer/components/TabBar/TabBar.tsx
@@ -64,6 +64,10 @@ const getTabTitle = (
     return importDefTitles.get(tab.id) || tr('activity.import');
   }
 
+  if (tab.type === 'menu-editor') {
+    return tr('menuEditor.tabTitle');
+  }
+
   if (tab.type === 'metadata-diff') {
     return tr('app.metadataDiff');
   }
@@ -129,6 +133,12 @@ const getTabIcon = (tab: Tab): React.ReactNode => {
           <path d="M19 9h-4V3H9v6H5l7 7 7-7zM5 18v2h14v-2H5z"/>
         </svg>
       );
+    case 'menu-editor':
+      return (
+        <svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor">
+          <path d="M2 3h12v1H2V3zm0 3h12v1H2V6zm0 3h8v1H2V9zm0 3h8v1H2v-1zm10-2 2 2-2 2v-1H9v-2h3V10z"/>
+        </svg>
+      );
     case 'metadata-diff':
       return (
         <svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor">
diff --git a/src/renderer/i18n/locales/de.json b/src/renderer/i18n/locales/de.json
index 3afeb2f..7e4f94d 100644
--- a/src/renderer/i18n/locales/de.json
+++ b/src/renderer/i18n/locales/de.json
@@ -41,6 +41,40 @@
   "siteValidation.error.validate": "Website-Validierung fehlgeschlagen",
   "siteValidation.error.apply": "Anwenden der Validierung fehlgeschlagen",
   "siteValidation.toast.applySuccess": "Validierung angewendet: {rendered} gerendert, {deleted} gelöscht",
+  "menuEditor.tabTitle": "Blog-Menü",
+  "menuEditor.title": "Blog-Menü-Editor",
+  "menuEditor.description": "Verwalte die zentrale Blog-Navigationsstruktur und speichere sie in meta/menu.opml.",
+  "menuEditor.loading": "Menü wird geladen...",
+  "menuEditor.loadError": "Blog-Menü konnte nicht geladen werden",
+  "menuEditor.save": "Menü speichern",
+  "menuEditor.saving": "Speichern...",
+  "menuEditor.saved": "Blog-Menü gespeichert",
+  "menuEditor.saveFailed": "Blog-Menü konnte nicht gespeichert werden",
+  "menuEditor.pagePicker.title": "Seite auswählen",
+  "menuEditor.pagePicker.searchPlaceholder": "Seiten nach Titel oder Slug durchsuchen...",
+  "menuEditor.pagePicker.loading": "Seiten werden geladen...",
+  "menuEditor.pagePicker.empty": "Keine passenden Seiten gefunden.",
+  "menuEditor.pagePicker.loadError": "Seiten konnten nicht geladen werden",
+  "menuEditor.addPage": "Seite hinzufügen",
+  "menuEditor.addSubmenu": "Untermenü hinzufügen",
+  "menuEditor.addChildPage": "Unterseite hinzufügen",
+  "menuEditor.addChildSubmenu": "Unter-Untermenü hinzufügen",
+  "menuEditor.moveUp": "Nach oben",
+  "menuEditor.moveDown": "Nach unten",
+  "menuEditor.indent": "Einrücken",
+  "menuEditor.unindent": "Ausrücken",
+  "menuEditor.delete": "Löschen",
+  "menuEditor.details": "Eintragsdetails",
+  "menuEditor.selectItem": "Wähle einen Eintrag, um Details zu bearbeiten.",
+  "menuEditor.field.title": "Titel",
+  "menuEditor.field.type": "Typ",
+  "menuEditor.field.pageSlug": "Seiten-Slug",
+  "menuEditor.field.pageId": "Seiten-ID",
+  "menuEditor.type.page": "Seite",
+  "menuEditor.type.submenu": "Untermenü",
+  "menuEditor.empty": "Noch keine Menüeinträge. Füge eine Seite oder ein Untermenü hinzu.",
+  "menuEditor.newPage": "Neue Seite",
+  "menuEditor.newSubmenu": "Neues Untermenü",
   "settings.language.english": "Englisch",
   "settings.language.german": "Deutsch",
   "settings.language.french": "Französisch",
diff --git a/src/renderer/i18n/locales/en.json b/src/renderer/i18n/locales/en.json
index 728ad01..c64f142 100644
--- a/src/renderer/i18n/locales/en.json
+++ b/src/renderer/i18n/locales/en.json
@@ -41,6 +41,40 @@
   "siteValidation.error.validate": "Site validation failed",
   "siteValidation.error.apply": "Applying validation failed",
   "siteValidation.toast.applySuccess": "Validation applied: {rendered} rendered, {deleted} deleted",
+  "menuEditor.tabTitle": "Blog Menu",
+  "menuEditor.title": "Blog Menu Editor",
+  "menuEditor.description": "Manage the central blog navigation outline and save it to meta/menu.opml.",
+  "menuEditor.loading": "Loading menu...",
+  "menuEditor.loadError": "Failed to load blog menu",
+  "menuEditor.save": "Save Menu",
+  "menuEditor.saving": "Saving...",
+  "menuEditor.saved": "Blog menu saved",
+  "menuEditor.saveFailed": "Failed to save blog menu",
+  "menuEditor.pagePicker.title": "Select Page",
+  "menuEditor.pagePicker.searchPlaceholder": "Search pages by title or slug...",
+  "menuEditor.pagePicker.loading": "Loading pages...",
+  "menuEditor.pagePicker.empty": "No matching pages found.",
+  "menuEditor.pagePicker.loadError": "Failed to load pages",
+  "menuEditor.addPage": "Add Page",
+  "menuEditor.addSubmenu": "Add Submenu",
+  "menuEditor.addChildPage": "Add Child Page",
+  "menuEditor.addChildSubmenu": "Add Child Submenu",
+  "menuEditor.moveUp": "Move Up",
+  "menuEditor.moveDown": "Move Down",
+  "menuEditor.indent": "Indent",
+  "menuEditor.unindent": "Unindent",
+  "menuEditor.delete": "Delete",
+  "menuEditor.details": "Entry Details",
+  "menuEditor.selectItem": "Select an entry to edit details.",
+  "menuEditor.field.title": "Title",
+  "menuEditor.field.type": "Type",
+  "menuEditor.field.pageSlug": "Page Slug",
+  "menuEditor.field.pageId": "Page ID",
+  "menuEditor.type.page": "Page",
+  "menuEditor.type.submenu": "Submenu",
+  "menuEditor.empty": "No menu entries yet. Add a page or submenu to start.",
+  "menuEditor.newPage": "New Page",
+  "menuEditor.newSubmenu": "New Submenu",
   "settings.language.english": "English",
   "settings.language.german": "German",
   "settings.language.french": "French",
diff --git a/src/renderer/i18n/locales/es.json b/src/renderer/i18n/locales/es.json
index c8856a4..c2edffe 100644
--- a/src/renderer/i18n/locales/es.json
+++ b/src/renderer/i18n/locales/es.json
@@ -41,6 +41,40 @@
   "siteValidation.error.validate": "La validación del sitio falló",
   "siteValidation.error.apply": "La aplicación de la validación falló",
   "siteValidation.toast.applySuccess": "Validación aplicada: {rendered} renderizadas, {deleted} eliminadas",
+  "menuEditor.tabTitle": "Menú del blog",
+  "menuEditor.title": "Editor del menú del blog",
+  "menuEditor.description": "Gestiona la estructura central de navegación del blog y guárdala en meta/menu.opml.",
+  "menuEditor.loading": "Cargando menú...",
+  "menuEditor.loadError": "No se pudo cargar el menú del blog",
+  "menuEditor.save": "Guardar menú",
+  "menuEditor.saving": "Guardando...",
+  "menuEditor.saved": "Menú del blog guardado",
+  "menuEditor.saveFailed": "No se pudo guardar el menú del blog",
+  "menuEditor.pagePicker.title": "Seleccionar página",
+  "menuEditor.pagePicker.searchPlaceholder": "Buscar páginas por título o slug...",
+  "menuEditor.pagePicker.loading": "Cargando páginas...",
+  "menuEditor.pagePicker.empty": "No se encontraron páginas coincidentes.",
+  "menuEditor.pagePicker.loadError": "No se pudieron cargar las páginas",
+  "menuEditor.addPage": "Añadir página",
+  "menuEditor.addSubmenu": "Añadir submenú",
+  "menuEditor.addChildPage": "Añadir página hija",
+  "menuEditor.addChildSubmenu": "Añadir submenú hijo",
+  "menuEditor.moveUp": "Mover arriba",
+  "menuEditor.moveDown": "Mover abajo",
+  "menuEditor.indent": "Sangrar",
+  "menuEditor.unindent": "Quitar sangría",
+  "menuEditor.delete": "Eliminar",
+  "menuEditor.details": "Detalles de la entrada",
+  "menuEditor.selectItem": "Selecciona una entrada para editar sus detalles.",
+  "menuEditor.field.title": "Título",
+  "menuEditor.field.type": "Tipo",
+  "menuEditor.field.pageSlug": "Slug de página",
+  "menuEditor.field.pageId": "ID de página",
+  "menuEditor.type.page": "Página",
+  "menuEditor.type.submenu": "Submenú",
+  "menuEditor.empty": "Aún no hay entradas de menú. Añade una página o un submenú para empezar.",
+  "menuEditor.newPage": "Nueva página",
+  "menuEditor.newSubmenu": "Nuevo submenú",
   "settings.language.english": "Inglés",
   "settings.language.german": "Alemán",
   "settings.language.french": "Francés",
diff --git a/src/renderer/i18n/locales/fr.json b/src/renderer/i18n/locales/fr.json
index 697d5ce..dbb1d07 100644
--- a/src/renderer/i18n/locales/fr.json
+++ b/src/renderer/i18n/locales/fr.json
@@ -41,6 +41,40 @@
   "siteValidation.error.validate": "Échec de la validation du site",
   "siteValidation.error.apply": "Échec de l’application de la validation",
   "siteValidation.toast.applySuccess": "Validation appliquée : {rendered} rendues, {deleted} supprimées",
+  "menuEditor.tabTitle": "Menu du blog",
+  "menuEditor.title": "Éditeur du menu du blog",
+  "menuEditor.description": "Gérez la structure centrale de navigation du blog et enregistrez-la dans meta/menu.opml.",
+  "menuEditor.loading": "Chargement du menu...",
+  "menuEditor.loadError": "Impossible de charger le menu du blog",
+  "menuEditor.save": "Enregistrer le menu",
+  "menuEditor.saving": "Enregistrement...",
+  "menuEditor.saved": "Menu du blog enregistré",
+  "menuEditor.saveFailed": "Impossible d’enregistrer le menu du blog",
+  "menuEditor.pagePicker.title": "Sélectionner une page",
+  "menuEditor.pagePicker.searchPlaceholder": "Rechercher des pages par titre ou slug...",
+  "menuEditor.pagePicker.loading": "Chargement des pages...",
+  "menuEditor.pagePicker.empty": "Aucune page correspondante trouvée.",
+  "menuEditor.pagePicker.loadError": "Impossible de charger les pages",
+  "menuEditor.addPage": "Ajouter une page",
+  "menuEditor.addSubmenu": "Ajouter un sous-menu",
+  "menuEditor.addChildPage": "Ajouter une page enfant",
+  "menuEditor.addChildSubmenu": "Ajouter un sous-menu enfant",
+  "menuEditor.moveUp": "Monter",
+  "menuEditor.moveDown": "Descendre",
+  "menuEditor.indent": "Indenter",
+  "menuEditor.unindent": "Désindenter",
+  "menuEditor.delete": "Supprimer",
+  "menuEditor.details": "Détails de l’entrée",
+  "menuEditor.selectItem": "Sélectionnez une entrée pour modifier ses détails.",
+  "menuEditor.field.title": "Titre",
+  "menuEditor.field.type": "Type",
+  "menuEditor.field.pageSlug": "Slug de page",
+  "menuEditor.field.pageId": "ID de page",
+  "menuEditor.type.page": "Page",
+  "menuEditor.type.submenu": "Sous-menu",
+  "menuEditor.empty": "Aucune entrée de menu. Ajoutez une page ou un sous-menu pour commencer.",
+  "menuEditor.newPage": "Nouvelle page",
+  "menuEditor.newSubmenu": "Nouveau sous-menu",
   "settings.language.english": "Anglais",
   "settings.language.german": "Allemand",
   "settings.language.french": "Français",
diff --git a/src/renderer/i18n/locales/it.json b/src/renderer/i18n/locales/it.json
index bf070f0..8a1e9a0 100644
--- a/src/renderer/i18n/locales/it.json
+++ b/src/renderer/i18n/locales/it.json
@@ -41,6 +41,40 @@
   "siteValidation.error.validate": "Validazione del sito non riuscita",
   "siteValidation.error.apply": "Applicazione della validazione non riuscita",
   "siteValidation.toast.applySuccess": "Validazione applicata: {rendered} renderizzati, {deleted} eliminati",
+  "menuEditor.tabTitle": "Menu blog",
+  "menuEditor.title": "Editor del menu blog",
+  "menuEditor.description": "Gestisci la struttura centrale di navigazione del blog e salvala in meta/menu.opml.",
+  "menuEditor.loading": "Caricamento menu...",
+  "menuEditor.loadError": "Impossibile caricare il menu blog",
+  "menuEditor.save": "Salva menu",
+  "menuEditor.saving": "Salvataggio...",
+  "menuEditor.saved": "Menu blog salvato",
+  "menuEditor.saveFailed": "Impossibile salvare il menu blog",
+  "menuEditor.pagePicker.title": "Seleziona pagina",
+  "menuEditor.pagePicker.searchPlaceholder": "Cerca pagine per titolo o slug...",
+  "menuEditor.pagePicker.loading": "Caricamento pagine...",
+  "menuEditor.pagePicker.empty": "Nessuna pagina corrispondente trovata.",
+  "menuEditor.pagePicker.loadError": "Impossibile caricare le pagine",
+  "menuEditor.addPage": "Aggiungi pagina",
+  "menuEditor.addSubmenu": "Aggiungi sottomenu",
+  "menuEditor.addChildPage": "Aggiungi pagina figlia",
+  "menuEditor.addChildSubmenu": "Aggiungi sottomenu figlio",
+  "menuEditor.moveUp": "Sposta su",
+  "menuEditor.moveDown": "Sposta giù",
+  "menuEditor.indent": "Indenta",
+  "menuEditor.unindent": "Riduci rientro",
+  "menuEditor.delete": "Elimina",
+  "menuEditor.details": "Dettagli voce",
+  "menuEditor.selectItem": "Seleziona una voce per modificarne i dettagli.",
+  "menuEditor.field.title": "Titolo",
+  "menuEditor.field.type": "Tipo",
+  "menuEditor.field.pageSlug": "Slug pagina",
+  "menuEditor.field.pageId": "ID pagina",
+  "menuEditor.type.page": "Pagina",
+  "menuEditor.type.submenu": "Sottomenu",
+  "menuEditor.empty": "Nessuna voce menu. Aggiungi una pagina o un sottomenu per iniziare.",
+  "menuEditor.newPage": "Nuova pagina",
+  "menuEditor.newSubmenu": "Nuovo sottomenu",
   "settings.language.english": "Inglese",
   "settings.language.german": "Tedesco",
   "settings.language.french": "Francese",
diff --git a/src/renderer/navigation/editorRouting.ts b/src/renderer/navigation/editorRouting.ts
index 5812ef4..70b8a02 100644
--- a/src/renderer/navigation/editorRouting.ts
+++ b/src/renderer/navigation/editorRouting.ts
@@ -10,6 +10,7 @@ export type EditorRoute =
   | 'tags'
   | 'chat'
   | 'import'
+  | 'menu-editor'
   | 'metadata-diff'
   | 'git-diff'
   | 'documentation'
@@ -23,6 +24,7 @@ export const EDITOR_TAB_ROUTE_REGISTRY: Record<TabType, Exclude<EditorRoute, 'da
   tags: 'tags',
   chat: 'chat',
   import: 'import',
+  'menu-editor': 'menu-editor',
   'metadata-diff': 'metadata-diff',
   'git-diff': 'git-diff',
   documentation: 'documentation',
diff --git a/src/renderer/navigation/tabPolicy.ts b/src/renderer/navigation/tabPolicy.ts
index 31efd28..acc3603 100644
--- a/src/renderer/navigation/tabPolicy.ts
+++ b/src/renderer/navigation/tabPolicy.ts
@@ -4,6 +4,7 @@ export type SingletonToolTabKey =
   | 'settings'
   | 'tags'
   | 'style'
+  | 'menu-editor'
   | 'documentation'
   | 'metadata-diff'
   | 'site-validation';
@@ -22,6 +23,7 @@ const SINGLETON_TOOL_TAB_REGISTRY: Record<SingletonToolTabKey, CanonicalTabSpec>
   settings: { type: 'settings', id: 'settings', isTransient: false },
   tags: { type: 'tags', id: 'tags', isTransient: false },
   style: { type: 'style', id: 'style', isTransient: false },
+  'menu-editor': { type: 'menu-editor', id: 'menu-editor', isTransient: false },
   documentation: { type: 'documentation', id: 'documentation', isTransient: false },
   'metadata-diff': { type: 'metadata-diff', id: 'metadata-diff', isTransient: false },
   'site-validation': { type: 'site-validation', id: 'site-validation', isTransient: false },
diff --git a/src/renderer/store/appStore.ts b/src/renderer/store/appStore.ts
index f9fb28a..9644c43 100644
--- a/src/renderer/store/appStore.ts
+++ b/src/renderer/store/appStore.ts
@@ -13,7 +13,7 @@ import type {
 const STORAGE_KEY = 'bds-app-state';
 
 // Tab types
-export type TabType = 'post' | 'media' | 'settings' | 'style' | 'tags' | 'chat' | 'import' | 'metadata-diff' | 'git-diff' | 'documentation' | 'site-validation';
+export type TabType = 'post' | 'media' | 'settings' | 'style' | 'tags' | 'chat' | 'import' | 'menu-editor' | 'metadata-diff' | 'git-diff' | 'documentation' | 'site-validation';
 
 export interface Tab {
   type: TabType;
diff --git a/tests/engine/MenuEngine.test.ts b/tests/engine/MenuEngine.test.ts
new file mode 100644
index 0000000..2109d1c
--- /dev/null
+++ b/tests/engine/MenuEngine.test.ts
@@ -0,0 +1,110 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+const mockFiles = new Map<string, string>();
+const mockDirs = new Set<string>();
+
+const normalizePath = (value: string): string => value.replace(/\\/g, '/');
+
+vi.mock('fs/promises', () => ({
+  readFile: vi.fn(async (filePath: string) => {
+    const normalizedPath = normalizePath(filePath);
+    if (mockFiles.has(normalizedPath)) {
+      return mockFiles.get(normalizedPath);
+    }
+
+    const err = new Error(`ENOENT: no such file or directory, open '${filePath}'`) as NodeJS.ErrnoException;
+    err.code = 'ENOENT';
+    throw err;
+  }),
+  writeFile: vi.fn(async (filePath: string, content: string) => {
+    mockFiles.set(normalizePath(filePath), content);
+  }),
+  mkdir: vi.fn(async (dirPath: string) => {
+    mockDirs.add(normalizePath(dirPath));
+  }),
+}));
+
+vi.mock('electron', () => ({
+  app: {
+    getPath: vi.fn(() => '/mock/userData'),
+  },
+}));
+
+import { MenuEngine } from '../../src/main/engine/MenuEngine';
+
+describe('MenuEngine', () => {
+  let menuEngine: MenuEngine;
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    mockFiles.clear();
+    mockDirs.clear();
+    menuEngine = new MenuEngine();
+    menuEngine.setProjectContext('project-1');
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  it('returns an empty menu when no OPML file exists', async () => {
+    const result = await menuEngine.getMenu();
+
+    expect(result.items).toEqual([]);
+  });
+
+  it('parses nested OPML outlines into menu items', async () => {
+    const menuPath = normalizePath(`${menuEngine.getMetaDir()}/menu.opml`);
+    mockFiles.set(
+      menuPath,
+      `<?xml version="1.0" encoding="UTF-8"?>\n<opml version="2.0">\n  <head><title>Blog Menu</title></head>\n  <body>\n    <outline id="home" text="Home" type="page" pageSlug="home"/>\n    <outline id="docs" text="Docs" type="submenu">\n      <outline id="about" text="About" type="page" pageSlug="about"/>\n    </outline>\n  </body>\n</opml>`,
+    );
+
+    const result = await menuEngine.getMenu();
+
+    expect(result.items).toHaveLength(2);
+    expect(result.items[0]).toMatchObject({
+      id: 'home',
+      title: 'Home',
+      kind: 'page',
+      pageSlug: 'home',
+    });
+    expect(result.items[1]).toMatchObject({
+      id: 'docs',
+      title: 'Docs',
+      kind: 'submenu',
+    });
+    expect(result.items[1].children[0]).toMatchObject({
+      id: 'about',
+      title: 'About',
+      kind: 'page',
+      pageSlug: 'about',
+    });
+  });
+
+  it('writes menu state as OPML and can read it back', async () => {
+    const saved = await menuEngine.saveMenu({
+      items: [
+        {
+          id: 'top',
+          title: 'Top',
+          kind: 'submenu',
+          children: [
+            {
+              id: 'page-1',
+              title: 'First Page',
+              kind: 'page',
+              pageSlug: 'first-page',
+              children: [],
+            },
+          ],
+        },
+      ],
+    });
+
+    expect(saved.items[0].title).toBe('Top');
+
+    const roundTrip = await menuEngine.getMenu();
+    expect(roundTrip).toEqual(saved);
+  });
+});
\ No newline at end of file
diff --git a/tests/ipc/handlers.test.ts b/tests/ipc/handlers.test.ts
index c14193a..f11a43c 100644
--- a/tests/ipc/handlers.test.ts
+++ b/tests/ipc/handlers.test.ts
@@ -136,6 +136,12 @@ const mockTagEngine = {
   searchTags: vi.fn(),
 };
 
+const mockMenuEngine = {
+  setProjectContext: vi.fn(),
+  getMenu: vi.fn(),
+  saveMenu: vi.fn(),
+};
+
 const mockPostMediaEngine = {
   on: vi.fn(),
   setProjectContext: vi.fn(),
@@ -245,6 +251,10 @@ vi.mock('../../src/main/engine/TagEngine', () => ({
   getTagEngine: vi.fn(() => mockTagEngine),
 }));
 
+vi.mock('../../src/main/engine/MenuEngine', () => ({
+  getMenuEngine: vi.fn(() => mockMenuEngine),
+}));
+
 vi.mock('../../src/main/engine/PostMediaEngine', () => ({
   getPostMediaEngine: vi.fn(() => mockPostMediaEngine),
 }));
@@ -1252,6 +1262,51 @@ describe('IPC Handlers', () => {
     });
   });
 
+  // ============ Menu Handlers ============
+  describe('Menu Handlers', () => {
+    describe('menu:get', () => {
+      it('loads menu for active project context', async () => {
+        const activeProject = createMockProject({ id: 'project-42', dataPath: '/custom/data' });
+        const menuDocument = {
+          items: [
+            { id: 'home', title: 'Home', kind: 'page', pageSlug: 'home', children: [] },
+          ],
+        };
+
+        mockProjectEngine.getActiveProject.mockResolvedValue(activeProject);
+        mockProjectEngine.getDataDir.mockReturnValue('/resolved/project-data');
+        mockMenuEngine.getMenu.mockResolvedValue(menuDocument);
+
+        const result = await invokeHandler('menu:get');
+
+        expect(mockMenuEngine.setProjectContext).toHaveBeenCalledWith('project-42', '/resolved/project-data');
+        expect(mockMenuEngine.getMenu).toHaveBeenCalled();
+        expect(result).toEqual(menuDocument);
+      });
+    });
+
+    describe('menu:save', () => {
+      it('saves menu for active project context', async () => {
+        const activeProject = createMockProject({ id: 'project-24', dataPath: '/custom/data' });
+        const menuDocument = {
+          items: [
+            { id: 'docs', title: 'Docs', kind: 'submenu', children: [] },
+          ],
+        };
+
+        mockProjectEngine.getActiveProject.mockResolvedValue(activeProject);
+        mockProjectEngine.getDataDir.mockReturnValue('/resolved/project-data');
+        mockMenuEngine.saveMenu.mockResolvedValue(menuDocument);
+
+        const result = await invokeHandler('menu:save', menuDocument);
+
+        expect(mockMenuEngine.setProjectContext).toHaveBeenCalledWith('project-24', '/resolved/project-data');
+        expect(mockMenuEngine.saveMenu).toHaveBeenCalledWith(menuDocument);
+        expect(result).toEqual(menuDocument);
+      });
+    });
+  });
+
   // ============ Task Handlers ============
   describe('Task Handlers', () => {
     describe('tasks:getAll', () => {
diff --git a/tests/renderer/components/menuAutoExpand.test.ts b/tests/renderer/components/menuAutoExpand.test.ts
new file mode 100644
index 0000000..b1ad3cf
--- /dev/null
+++ b/tests/renderer/components/menuAutoExpand.test.ts
@@ -0,0 +1,63 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+import { createAutoExpandController } from '../../../src/renderer/components/MenuEditorView/menuAutoExpand';
+
+describe('createAutoExpandController', () => {
+  beforeEach(() => {
+    vi.useFakeTimers();
+  });
+
+  afterEach(() => {
+    vi.useRealTimers();
+  });
+
+  it('runs callback after configured delay', () => {
+    const controller = createAutoExpandController(300);
+    const callback = vi.fn();
+
+    controller.schedule('node-a', callback);
+    vi.advanceTimersByTime(299);
+    expect(callback).not.toHaveBeenCalled();
+
+    vi.advanceTimersByTime(1);
+    expect(callback).toHaveBeenCalledTimes(1);
+  });
+
+  it('cancels scheduled callback for a node', () => {
+    const controller = createAutoExpandController(300);
+    const callback = vi.fn();
+
+    controller.schedule('node-a', callback);
+    controller.cancel('node-a');
+    vi.runAllTimers();
+
+    expect(callback).not.toHaveBeenCalled();
+  });
+
+  it('replaces existing schedule for same node id', () => {
+    const controller = createAutoExpandController(300);
+    const first = vi.fn();
+    const second = vi.fn();
+
+    controller.schedule('node-a', first);
+    controller.schedule('node-a', second);
+    vi.runAllTimers();
+
+    expect(first).not.toHaveBeenCalled();
+    expect(second).toHaveBeenCalledTimes(1);
+  });
+
+  it('cancels all pending callbacks', () => {
+    const controller = createAutoExpandController(300);
+    const first = vi.fn();
+    const second = vi.fn();
+
+    controller.schedule('node-a', first);
+    controller.schedule('node-b', second);
+    controller.cancelAll();
+    vi.runAllTimers();
+
+    expect(first).not.toHaveBeenCalled();
+    expect(second).not.toHaveBeenCalled();
+  });
+});
diff --git a/tests/renderer/components/menuPagePicker.test.ts b/tests/renderer/components/menuPagePicker.test.ts
new file mode 100644
index 0000000..1962c5e
--- /dev/null
+++ b/tests/renderer/components/menuPagePicker.test.ts
@@ -0,0 +1,94 @@
+import { describe, expect, it } from 'vitest';
+
+import type { PostData } from '../../../src/main/shared/electronApi';
+import {
+  createMenuPageItemFromPost,
+  filterPagePosts,
+  getNextPickerIndex,
+  isPickerCloseKey,
+  isPickerFocusShortcut,
+} from '../../../src/renderer/components/MenuEditorView/menuPagePicker';
+
+function createPost(overrides: Partial<PostData>): PostData {
+  return {
+    id: 'post-1',
+    projectId: 'project-1',
+    title: 'Sample Page',
+    slug: 'sample-page',
+    content: '',
+    status: 'draft',
+    createdAt: new Date().toISOString(),
+    updatedAt: new Date().toISOString(),
+    tags: [],
+    categories: ['page'],
+    ...overrides,
+  };
+}
+
+describe('menuPagePicker', () => {
+  it('filters to page-category posts only', () => {
+    const posts = [
+      createPost({ id: 'page-1', categories: ['page'] }),
+      createPost({ id: 'article-1', categories: ['article'] }),
+    ];
+
+    const result = filterPagePosts(posts, '');
+
+    expect(result.map((post) => post.id)).toEqual(['page-1']);
+  });
+
+  it('filters by title and slug using case-insensitive query', () => {
+    const posts = [
+      createPost({ id: 'alpha', title: 'About Us', slug: 'about-us' }),
+      createPost({ id: 'beta', title: 'Imprint', slug: 'impressum' }),
+    ];
+
+    expect(filterPagePosts(posts, 'about').map((post) => post.id)).toEqual(['alpha']);
+    expect(filterPagePosts(posts, 'IMPRESS').map((post) => post.id)).toEqual(['beta']);
+  });
+
+  it('creates a menu page node with linked page metadata', () => {
+    const post = createPost({
+      id: 'page-3',
+      title: 'Contact',
+      slug: 'contact',
+      categories: ['page'],
+    });
+
+    const item = createMenuPageItemFromPost(post);
+
+    expect(item.kind).toBe('page');
+    expect(item.title).toBe('Contact');
+    expect(item.pageId).toBe('page-3');
+    expect(item.pageSlug).toBe('contact');
+    expect(item.children).toEqual([]);
+    expect(item.id.length).toBeGreaterThan(0);
+  });
+
+  it('moves active index with arrow navigation and wraps around', () => {
+    expect(getNextPickerIndex(-1, 'ArrowDown', 3)).toBe(0);
+    expect(getNextPickerIndex(0, 'ArrowDown', 3)).toBe(1);
+    expect(getNextPickerIndex(2, 'ArrowDown', 3)).toBe(0);
+
+    expect(getNextPickerIndex(-1, 'ArrowUp', 3)).toBe(2);
+    expect(getNextPickerIndex(2, 'ArrowUp', 3)).toBe(1);
+    expect(getNextPickerIndex(0, 'ArrowUp', 3)).toBe(2);
+  });
+
+  it('returns -1 when there are no picker items', () => {
+    expect(getNextPickerIndex(-1, 'ArrowDown', 0)).toBe(-1);
+    expect(getNextPickerIndex(1, 'ArrowUp', 0)).toBe(-1);
+  });
+
+  it('detects escape as picker close key', () => {
+    expect(isPickerCloseKey('Escape')).toBe(true);
+    expect(isPickerCloseKey('Enter')).toBe(false);
+  });
+
+  it('detects cmd/ctrl+k as picker focus shortcut', () => {
+    expect(isPickerFocusShortcut({ key: 'k', metaKey: true, ctrlKey: false })).toBe(true);
+    expect(isPickerFocusShortcut({ key: 'K', metaKey: false, ctrlKey: true })).toBe(true);
+    expect(isPickerFocusShortcut({ key: 'k', metaKey: false, ctrlKey: false })).toBe(false);
+    expect(isPickerFocusShortcut({ key: 'p', metaKey: true, ctrlKey: false })).toBe(false);
+  });
+});
diff --git a/tests/renderer/components/menuTreeMove.test.ts b/tests/renderer/components/menuTreeMove.test.ts
new file mode 100644
index 0000000..fb6ae87
--- /dev/null
+++ b/tests/renderer/components/menuTreeMove.test.ts
@@ -0,0 +1,81 @@
+import { describe, expect, it } from 'vitest';
+import { applyTreeMove, type MenuTreeItem } from '../../../src/renderer/components/MenuEditorView/menuTreeMove';
+
+function createTree(): MenuTreeItem[] {
+  return [
+    {
+      id: 'home',
+      title: 'Home',
+      kind: 'page',
+      children: [],
+    },
+    {
+      id: 'docs',
+      title: 'Docs',
+      kind: 'submenu',
+      children: [
+        {
+          id: 'about',
+          title: 'About',
+          kind: 'page',
+          children: [],
+        },
+      ],
+    },
+    {
+      id: 'blog',
+      title: 'Blog',
+      kind: 'submenu',
+      children: [
+        {
+          id: 'post-1',
+          title: 'Post 1',
+          kind: 'page',
+          children: [],
+        },
+        {
+          id: 'post-2',
+          title: 'Post 2',
+          kind: 'page',
+          children: [],
+        },
+      ],
+    },
+  ];
+}
+
+describe('applyTreeMove', () => {
+  it('moves a page into a submenu', () => {
+    const moved = applyTreeMove(createTree(), {
+      dragIds: ['home'],
+      parentId: 'docs',
+      index: 1,
+    });
+
+    const docs = moved.find((item) => item.id === 'docs');
+    expect(docs?.children.map((child) => child.id)).toEqual(['about', 'home']);
+    expect(moved.map((item) => item.id)).toEqual(['docs', 'blog']);
+  });
+
+  it('moves a whole subtree without losing children', () => {
+    const moved = applyTreeMove(createTree(), {
+      dragIds: ['blog'],
+      parentId: null,
+      index: 0,
+    });
+
+    expect(moved[0].id).toBe('blog');
+    expect(moved[0].children.map((child) => child.id)).toEqual(['post-1', 'post-2']);
+  });
+
+  it('reorders siblings within same parent', () => {
+    const moved = applyTreeMove(createTree(), {
+      dragIds: ['post-2'],
+      parentId: 'blog',
+      index: 0,
+    });
+
+    const blog = moved.find((item) => item.id === 'blog');
+    expect(blog?.children.map((child) => child.id)).toEqual(['post-2', 'post-1']);
+  });
+});
diff --git a/tests/renderer/menuCommands.test.ts b/tests/renderer/menuCommands.test.ts
index e7a8aea..141a5c8 100644
--- a/tests/renderer/menuCommands.test.ts
+++ b/tests/renderer/menuCommands.test.ts
@@ -63,4 +63,15 @@ describe('Help menu documentation entry', () => {
   it('maps Edit Preferences to a renderer menu event', () => {
     expect(APP_MENU_ACTION_EVENT_MAP.editPreferences).toBe('menu:editPreferences');
   });
+
+  it('includes Edit Menu action in Blog menu', () => {
+    const blogGroup = APP_MENU_GROUPS.find((group) => group.label === 'Blog');
+
+    expect(blogGroup).toBeDefined();
+    expect(blogGroup?.items.some((item) => item.action === 'editMenu')).toBe(true);
+  });
+
+  it('maps Edit Menu to a renderer menu event', () => {
+    expect(APP_MENU_ACTION_EVENT_MAP.editMenu).toBe('menu:editMenu');
+  });
 });
diff --git a/tests/renderer/navigation/editorRouting.test.ts b/tests/renderer/navigation/editorRouting.test.ts
index 86c85d8..1960f13 100644
--- a/tests/renderer/navigation/editorRouting.test.ts
+++ b/tests/renderer/navigation/editorRouting.test.ts
@@ -15,6 +15,7 @@ describe('editorRouting', () => {
       tags: 'tags',
       chat: 'chat',
       import: 'import',
+      'menu-editor': 'menu-editor',
       'metadata-diff': 'metadata-diff',
       'git-diff': 'git-diff',
       documentation: 'documentation',
diff --git a/tests/renderer/navigation/tabPolicy.test.ts b/tests/renderer/navigation/tabPolicy.test.ts
index 4f19dcd..7d74889 100644
--- a/tests/renderer/navigation/tabPolicy.test.ts
+++ b/tests/renderer/navigation/tabPolicy.test.ts
@@ -20,6 +20,7 @@ describe('tabPolicy', () => {
     expect(getSingletonToolTabSpec('settings')).toEqual({ type: 'settings', id: 'settings', isTransient: false });
     expect(getSingletonToolTabSpec('tags')).toEqual({ type: 'tags', id: 'tags', isTransient: false });
     expect(getSingletonToolTabSpec('style')).toEqual({ type: 'style', id: 'style', isTransient: false });
+    expect(getSingletonToolTabSpec('menu-editor')).toEqual({ type: 'menu-editor', id: 'menu-editor', isTransient: false });
     expect(getSingletonToolTabSpec('documentation')).toEqual({ type: 'documentation', id: 'documentation', isTransient: false });
     expect(getSingletonToolTabSpec('metadata-diff')).toEqual({ type: 'metadata-diff', id: 'metadata-diff', isTransient: false });
     expect(getSingletonToolTabSpec('site-validation')).toEqual({ type: 'site-validation', id: 'site-validation', isTransient: false });
@@ -33,8 +34,9 @@ describe('tabPolicy', () => {
     let captured: { type: string; id: string; isTransient: boolean } | null = null;
 
     openSingletonToolTab(openTab, 'site-validation');
+    openSingletonToolTab(openTab, 'menu-editor');
 
-    expect(captured).toEqual({ type: 'site-validation', id: 'site-validation', isTransient: false });
+    expect(captured).toEqual({ type: 'menu-editor', id: 'menu-editor', isTransient: false });
   });
 
   it('provides canonical entity tab spec for preview and pin intents', () => {