feat(go): bootstrap minimal identity schema

go/vehicle-gateway/internal/identity/resolver.go

@@ -58,6 +58,59 @@ func NewMySQLResolverWithOptions(db *sql.DB, table string, opts MySQLResolverOpt
 	}
 }
 
+func (r *MySQLResolver) EnsureSchema(ctx context.Context) error {
+	if _, err := r.db.ExecContext(ctx, identityBindingTableSQL(r.table)); err != nil {
+		return err
+	}
+	_, err := r.db.ExecContext(ctx, jt808RegistrationTableSQL)
+	return err
+}
+
+func identityBindingTableSQL(table string) string {
+	if table == "" || !safeIdentifier(table) {
+		table = "vehicle_identity_binding"
+	}
+	return `CREATE TABLE IF NOT EXISTS ` + table + ` (
+  id BIGINT PRIMARY KEY AUTO_INCREMENT,
+  vin VARCHAR(32) NOT NULL,
+  plate VARCHAR(32) NULL,
+  phone VARCHAR(32) NULL,
+  device_id VARCHAR(64) NULL,
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  UNIQUE KEY uk_identity_plate (plate),
+  UNIQUE KEY uk_identity_phone (phone),
+  UNIQUE KEY uk_identity_device (device_id),
+  KEY idx_identity_vin (vin)
+)`
+}
+
+const jt808RegistrationTableSQL = `CREATE TABLE IF NOT EXISTS jt808_registration (
+  phone VARCHAR(32) PRIMARY KEY,
+  device_id VARCHAR(64) NULL,
+  plate VARCHAR(32) NULL,
+  vin VARCHAR(32) NULL DEFAULT 'unknown',
+  province VARCHAR(16) NULL,
+  city VARCHAR(16) NULL,
+  manufacturer VARCHAR(64) NULL,
+  device_type VARCHAR(64) NULL,
+  plate_color VARCHAR(16) NULL,
+  auth_token VARCHAR(128) NULL,
+  auth_imei VARCHAR(64) NULL,
+  auth_software_version VARCHAR(64) NULL,
+  source_endpoint VARCHAR(64) NULL,
+  first_registered_at DATETIME NULL,
+  latest_registered_at DATETIME NULL,
+  latest_authenticated_at DATETIME NULL,
+  latest_seen_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  KEY idx_jt808_registration_device (device_id),
+  KEY idx_jt808_registration_plate (plate),
+  KEY idx_jt808_registration_vin (vin),
+  KEY idx_jt808_registration_seen (latest_seen_at)
+)`
+
 func safeIdentifier(value string) bool {
 	if value == "" {
 		return false