新增网络工具，修改bug

app/src/main/java/com/aiosman/ravenow/ui/agent/AddAgent.kt

@@ -19,6 +19,7 @@ import androidx.compose.material3.CircularProgressIndicator
 import androidx.compose.material3.Icon
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -86,6 +87,13 @@ fun AddAgentScreen() {
     }
 
 
+    // 页面退出时清空数据
+    DisposableEffect(Unit) {
+        onDispose {
+            model.clearData()
+        }
+    }
+    
     Column(
         modifier = Modifier
             .fillMaxSize()
@@ -230,10 +238,8 @@ fun AddAgentScreen() {
                     val result = model.createAgent(context)
                     if (result != null) {
                         println("AddAgent: Agent created successfully, closing page")
-                        // 创建成功，关闭页面
-                        model.name = ""
-                        model.desc = ""
-                        model.isFromAddAgent = false  // 重置标志
+                        // 创建成功，清空数据并关闭页面
+                        model.clearData()
                         navController.popBackStack()
                     }
                 } catch (e: Exception) {

app/src/main/java/com/aiosman/ravenow/ui/agent/AddAgentViewModel.kt

@@ -81,4 +81,15 @@ object AddAgentViewModel : ViewModel() {
             else -> null
         }
     }
+    
+    /**
+     * 清空所有页面数据
+     */
+    fun clearData() {
+        name = ""
+        desc = ""
+        croppedBitmap = null
+        isUpdating = false
+        isFromAddAgent = false
+    }
 }