add auth support

server/models/api_responses.go

@@ -17,6 +17,19 @@ type ErrorResponse struct {
 	Message string `json:"message"`
 }
 
+// AuthLoginRequest represents login payload for LDAP/JWT authentication.
+type AuthLoginRequest struct {
+	Username string `json:"username"`
+	Password string `json:"password"`
+}
+
+// AuthLoginResponse represents successful auth login response.
+type AuthLoginResponse struct {
+	AccessToken string `json:"access_token"`
+	ExpiresAt   int64  `json:"expires_at"`
+	TokenType   string `json:"token_type"`
+}
+
 // SnapshotMigrationStats mirrors the snapshot registry migration stats payload.
 type SnapshotMigrationStats struct {
 	HourlyRenamed     int `json:"HourlyRenamed"`