feat(crm): complete contact label avatar gaps

internal/model/contact_label.go

@@ -0,0 +1,18 @@
+package model
+
+import "time"
+
+// ContactLabel stores the account label/tag assignments for contacts.
+// Reference: Chatwoot Contact includes Labelable and uses label_list.
+type ContactLabel struct {
+	ContactID uint      `gorm:"primaryKey;autoIncrement:false;index" json:"contact_id"`
+	TagID     uint      `gorm:"primaryKey;autoIncrement:false;index" json:"tag_id"`
+	AccountID uint      `gorm:"not null;index" json:"account_id"`
+	CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
+
+	Contact Contact `gorm:"foreignKey:ContactID" json:"contact,omitempty"`
+	Tag     Tag     `gorm:"foreignKey:TagID" json:"tag,omitempty"`
+}
+
+func (ContactLabel) TableName() string { return "contact_labels" }