调整环境变量参数，支持项目切换

src/contexts/ProjectContext.tsx

@@ -1,7 +1,7 @@
 "use client";
 import React, { createContext, useContext, useEffect, useState } from "react";
 import { useSession } from "next-auth/react";
-import { config, NETWORK_NAME, setMapWorkspace, setNetworkName } from "@/config/config";
+import { config, NETWORK_NAME, setMapWorkspace, setNetworkName, setMapExtent } from "@/config/config";
 import { ProjectSelector } from "@/components/project/ProjectSelector";
 
 interface ProjectContextType {
@@ -25,23 +25,43 @@ export const ProjectProvider: React.FC<{ children: React.ReactNode }> = ({
     // Check localStorage
     const savedWorkspace = localStorage.getItem("NEXT_PUBLIC_MAP_WORKSPACE");
     const savedNetwork = localStorage.getItem("NEXT_PUBLIC_NETWORK_NAME");
+    const savedExtent = localStorage.getItem("NEXT_PUBLIC_MAP_EXTENT");
 
     // If we have saved config, use it.
     if (savedWorkspace && savedNetwork) {
-      applyConfig(savedWorkspace, savedNetwork);
+      applyConfig(
+        savedWorkspace,
+        savedNetwork,
+        savedExtent ? savedExtent.split(",").map(Number) : undefined,
+      );
     }
   }, []);
 
-  const applyConfig = (ws: string, net: string) => {
+  const applyConfig = async (ws: string, net: string, extent?: number[]) => {
     setMapWorkspace(ws);
     setNetworkName(net);
+    if (extent) {
+      setMapExtent(extent);
+      localStorage.setItem("NEXT_PUBLIC_MAP_EXTENT", extent.join(","));
+      // Reset extent cache
+      localStorage.removeItem(`${ws}_map_view`);
+    }
+
     setCurrentProject({ workspace: ws, networkName: net });
-    
+
     // Save to localStorage
     localStorage.setItem("NEXT_PUBLIC_MAP_WORKSPACE", ws);
     localStorage.setItem("NEXT_PUBLIC_NETWORK_NAME", net);
-    
+
     setIsConfigured(true);
+
+    try {
+      await fetch(`${config.BACKEND_URL}/openproject/?network=${net}`, {
+        method: "POST",
+      });
+    } catch (error) {
+      console.error("Failed to open project:", error);
+    }
   };
 
   // Only show selector if authenticated and not configured
@@ -49,7 +69,7 @@ export const ProjectProvider: React.FC<{ children: React.ReactNode }> = ({
     return (
       <ProjectSelector
         open={true}
-        onSelect={(ws, net) => applyConfig(ws, net)}
+        onSelect={(ws, net, extent) => applyConfig(ws, net, extent)}
       />
     );
   }