feat: add Longcat-Image / Longcat-Image-Edit support (#1053)

Co-authored-by: leejet <leejet714@gmail.com>

src/model.h

@@ -47,6 +47,7 @@ enum SDVersion {
     VERSION_Z_IMAGE,
     VERSION_OVIS_IMAGE,
     VERSION_ERNIE_IMAGE,
+    VERSION_LONGCAT,
     VERSION_COUNT,
 };
 
@@ -141,6 +142,13 @@ static inline bool sd_version_is_z_image(SDVersion version) {
     return false;
 }
 
+static inline bool sd_version_is_longcat(SDVersion version) {
+    if (version == VERSION_LONGCAT) {
+        return true;
+    }
+    return false;
+}
+
 static inline bool sd_version_is_ernie_image(SDVersion version) {
     if (version == VERSION_ERNIE_IMAGE) {
         return true;
@@ -176,7 +184,8 @@ static inline bool sd_version_is_dit(SDVersion version) {
         version == VERSION_HIDREAM_O1 ||
         sd_version_is_anima(version) ||
         sd_version_is_z_image(version) ||
-        sd_version_is_ernie_image(version)) {
+        sd_version_is_ernie_image(version) ||
+        sd_version_is_longcat(version)) {
         return true;
     }
     return false;