fix(installer): configure custom NSIS installer path and force close

build/installer.nsh

@@ -0,0 +1,7 @@
+!macro customInit
+  ; Override default installation directory to be directly in LocalAppData
+  StrCpy $INSTDIR "$LOCALAPPDATA\Open Generative AI"
+  
+  ; Forcefully kill the app if it's running to prevent installation failure
+  nsExec::ExecToStack 'taskkill /F /IM "Open Generative AI.exe"'
+!macroend

package.json

@@ -60,6 +60,11 @@
         }
       ]
     },
+    "nsis": {
+      "oneClick": false,
+      "allowToChangeInstallationDirectory": true,
+      "include": "build/installer.nsh"
+    },
     "linux": {
       "icon": "public/banner.png",
       "category": "Utility",