feat: add download all as zip feature

- Add adm-zip dependency for zip compression
- Add DownloadAllZipParams/Result IPC types
- Implement registerDownloadAllZip handler in main process
- Update frontend download flow with save dialog
- ZIP includes pc/, mobile/ folders and metadata.json

package-lock.json

@@ -18,7 +18,9 @@
         "@electron-toolkit/utils": "^3.0.0",
         "@kintone/rest-api-client": "^6.1.2",
         "@lobehub/ui": "^5.5.1",
+        "@types/adm-zip": "^0.5.7",
         "@uiw/react-codemirror": "^4.23.0",
+        "adm-zip": "^0.5.16",
         "antd": "^6.1.0",
         "antd-style": "^4.1.0",
         "electron-store": "^10.0.0",
@@ -4727,6 +4729,15 @@
         "node": ">=10"
       }
     },
+    "node_modules/@types/adm-zip": {
+      "version": "0.5.7",
+      "resolved": "https://registry.npmmirror.com/@types/adm-zip/-/adm-zip-0.5.7.tgz",
+      "integrity": "sha512-DNEs/QvmyRLurdQPChqq0Md4zGvPwHerAJYWk9l2jCbD1VPpnzRJorOdiq4zsw09NFbYnhfsoEhWtxIzXpn2yw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmmirror.com/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -5798,6 +5809,15 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
     },
+    "node_modules/adm-zip": {
+      "version": "0.5.16",
+      "resolved": "https://registry.npmmirror.com/adm-zip/-/adm-zip-0.5.16.tgz",
+      "integrity": "sha512-TGw5yVi4saajsSEgz25grObGHEUaDrniwvA2qwSC060KfqGPdglhvPMA2lPIoxs3PQIItj2iag35fONcQqgUaQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0"
+      }
+    },
     "node_modules/agent-base": {
       "version": "7.1.4",
       "resolved": "https://registry.npmmirror.com/agent-base/-/agent-base-7.1.4.tgz",