feat: 添加短信验证码发送记录功能

backend_v1/database/migrations/20251223170000_create_sms_code_sends.sql

@@ -0,0 +1,18 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE sms_code_sends(
+    id SERIAL8 PRIMARY KEY,
+    phone varchar(20) NOT NULL,
+    code varchar(20) NOT NULL,
+    sent_at timestamp NOT NULL DEFAULT now(),
+    expires_at timestamp NOT NULL
+);
+
+CREATE INDEX idx_sms_code_sends_phone ON sms_code_sends(phone);
+CREATE INDEX idx_sms_code_sends_sent_at ON sms_code_sends(sent_at);
+-- +goose StatementEnd
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE sms_code_sends;
+-- +goose StatementEnd
+

backend_v1/database/models/sms_code_send.go

@@ -0,0 +1,17 @@
+package models
+
+import "time"
+
+const TableNameSmsCodeSend = "sms_code_sends"
+
+// SmsCodeSend mapped from table <sms_code_sends>
+type SmsCodeSend struct {
+	ID        int64     `gorm:"column:id;type:bigint;primaryKey;autoIncrement:true" json:"id"`
+	Phone     string    `gorm:"column:phone;type:character varying(20);not null" json:"phone"`
+	Code      string    `gorm:"column:code;type:character varying(20);not null" json:"code"`
+	SentAt    time.Time `gorm:"column:sent_at;type:timestamp without time zone;not null;default:now()" json:"sent_at"`
+	ExpiresAt time.Time `gorm:"column:expires_at;type:timestamp without time zone;not null" json:"expires_at"`
+}
+
+func (*SmsCodeSend) TableName() string { return TableNameSmsCodeSend }
+