Enhance /admin with full panel and subscription health checks

internal/remnawave/client.go

@@ -17,14 +17,6 @@ type Client struct {
 	http       *http.Client
 }
 
-type PanelStatus struct {
-	OK         bool
-	StatusCode int
-	Users      int
-	Nodes      int
-	Detail     string
-}
-
 func NewClient(baseURL, apiToken, caddyToken string) *Client {
 	return &Client{
 		baseURL:    strings.TrimRight(baseURL, "/"),
@@ -36,38 +28,6 @@ func NewClient(baseURL, apiToken, caddyToken string) *Client {
 	}
 }
 
-func (c *Client) Check(ctx context.Context) (PanelStatus, error) {
-	st := PanelStatus{}
-
-	resp, body, err := c.get(ctx, "/api/system/stats/recap")
-	if err != nil {
-		return st, err
-	}
-	st.StatusCode = resp.StatusCode
-
-	switch resp.StatusCode {
-	case http.StatusOK:
-		st.OK = true
-		st.Detail = "API панели отвечает"
-	case http.StatusUnauthorized, http.StatusForbidden:
-		return st, fmt.Errorf("доступ запрещён (HTTP %d): проверьте REMNAWAVE_API_TOKEN", resp.StatusCode)
-	default:
-		return st, fmt.Errorf("панель вернула HTTP %d: %s", resp.StatusCode, trimBody(body, 200))
-	}
-
-	users, err := c.countFromEndpoint(ctx, "/api/users", "users")
-	if err == nil {
-		st.Users = users
-	}
-
-	nodes, err := c.countFromEndpoint(ctx, "/api/nodes", "nodes")
-	if err == nil {
-		st.Nodes = nodes
-	}
-
-	return st, nil
-}
-
 func (c *Client) countFromEndpoint(ctx context.Context, path, arrayKey string) (int, error) {
 	resp, body, err := c.get(ctx, path)
 	if err != nil {