feat: Implement account pool monitoring and management dashboard with S2A integration and add a new upload page.

backend/internal/api/codex_proxy.go

@@ -32,6 +32,20 @@ func HandleCodexProxies(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+// HandleCodexProxyStats 获取代理池统计
+func HandleCodexProxyStats(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodGet {
+		Error(w, http.StatusMethodNotAllowed, "仅支持 GET")
+		return
+	}
+	if database.Instance == nil {
+		Error(w, http.StatusInternalServerError, "数据库未初始化")
+		return
+	}
+	stats := database.Instance.GetCodexProxyStats()
+	Success(w, stats)
+}
+
 // listCodexProxies 获取代理列表
 func listCodexProxies(w http.ResponseWriter, r *http.Request) {
 	proxies, err := database.Instance.GetCodexProxies()