chore: initial commit of ai site platform

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/internal/license/redeem.go

@@ -0,0 +1,53 @@
+package license
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"time"
+)
+
+// redeemOnline 向你们的核销服务登记/校验延期包 id（删光本地数据后仍能拦截旧包）。
+func (m *Manager) redeemOnline(leaseID, action string) error {
+	base := strings.TrimRight(strings.TrimSpace(m.cfg.RedeemURL), "/")
+	if base == "" {
+		return nil
+	}
+	leaseID = strings.TrimSpace(leaseID)
+	if leaseID == "" {
+		return fmt.Errorf("lease id 为空")
+	}
+	body, _ := json.Marshal(map[string]string{
+		"id":       leaseID,
+		"customer": strings.TrimSpace(m.cfg.Customer),
+		"action":   action, // check | redeem
+		"secret":   strings.TrimSpace(m.cfg.ControlSecret),
+	})
+	client := &http.Client{Timeout: 15 * time.Second}
+	req, err := http.NewRequest(http.MethodPost, base+"/v1/license/redeem", bytes.NewReader(body))
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("X-License-Secret", strings.TrimSpace(m.cfg.ControlSecret))
+	resp, err := client.Do(req)
+	if err != nil {
+		return fmt.Errorf("核销服务不可达（已配置 RedeemURL，导入需联网）: %w", err)
+	}
+	defer resp.Body.Close()
+	var out struct {
+		OK    bool   `json:"ok"`
+		Error string `json:"error"`
+	}
+	_ = json.NewDecoder(resp.Body).Decode(&out)
+	if resp.StatusCode >= 300 || !out.OK {
+		msg := out.Error
+		if msg == "" {
+			msg = fmt.Sprintf("核销失败 HTTP %d", resp.StatusCode)
+		}
+		return fmt.Errorf("%s", msg)
+	}
+	return nil
+}