Import Feishu directory with optional 30-minute sync

backend/internal/model/model.go

@@ -39,6 +39,39 @@ type IdentityProfile struct {
 	UpdatedAt time.Time
 }
 
+// FeishuDirectorySync tracks a single application's import schedule and outcome.
+type FeishuDirectorySync struct {
+	ID          uint       `gorm:"primaryKey"`
+	Enabled     bool       `json:"enabled"`
+	Issuer      string     `gorm:"size:256"`
+	AppID       string     `gorm:"size:128"`
+	LastAttempt *time.Time `json:"last_attempt"`
+	LastSuccess *time.Time `json:"last_success"`
+	LastError   string     `gorm:"size:512" json:"last_error"`
+	Departments int        `json:"departments"`
+	Members     int        `json:"members"`
+}
+
+type FeishuDepartment struct {
+	ID         uint   `gorm:"primaryKey"`
+	Issuer     string `gorm:"uniqueIndex:idx_feishu_department;size:256"`
+	AppID      string `gorm:"uniqueIndex:idx_feishu_department;size:128"`
+	Department string `gorm:"uniqueIndex:idx_feishu_department;size:128"`
+	Parent     string `gorm:"size:128"`
+	Name       string `gorm:"size:256"`
+	LastSeenAt time.Time
+}
+
+type FeishuDirectoryMember struct {
+	ID          uint      `gorm:"primaryKey" json:"-"`
+	Issuer      string    `gorm:"uniqueIndex:idx_feishu_member;size:256" json:"-"`
+	AppID       string    `gorm:"uniqueIndex:idx_feishu_member;size:128" json:"-"`
+	OpenID      string    `gorm:"uniqueIndex:idx_feishu_member;size:128" json:"open_id"`
+	Name        string    `gorm:"size:256" json:"name"`
+	Departments string    `gorm:"type:text" json:"department_ids"`
+	LastSeenAt  time.Time `json:"last_seen_at"`
+}
+
 // FeishuTunnelGrant records explicit admission for a verified Feishu subject.
 type FeishuTunnelGrant struct {
 	ID        uint      `gorm:"primaryKey" json:"id"`