Add GLM 5.3 Flash support

src/model/transfer.rs

@@ -205,7 +205,9 @@ fn verify(
             path.display()
         ));
     }
-    if let Some(support) = artifact.support {
+    if artifact.vision {
+        crate::engine::validate_vision_artifact(path)?;
+    } else if let Some(support) = artifact.support {
         crate::engine::validate_model_artifact(path, model, support)?;
     }
     Ok(DownloadOutcome::Complete)
@@ -330,8 +332,8 @@ mod tests {
             Some(ModelChoice::DeepSeekV4Flash0731)
         );
         assert!(ModelChoice::from_id("unknown").is_none());
-        assert_eq!(MODEL_CHOICES.len(), 3);
-        assert_eq!(MANAGED_ARTIFACTS.len(), 4);
+        assert_eq!(MODEL_CHOICES.len(), 4);
+        assert_eq!(MANAGED_ARTIFACTS.len(), 6);
         assert_eq!(ModelChoice::Glm52.main_artifact().size, 211_075_856_448);
         assert_eq!(
             ModelChoice::DeepSeekV4Flash0731.main_artifact().size,
@@ -339,6 +341,7 @@ mod tests {
         );
         assert_eq!(ModelChoice::DeepSeekV4Flash0731.artifacts(true).count(), 2);
         assert_eq!(ModelChoice::Glm52.artifacts(true).count(), 1);
+        assert_eq!(ModelChoice::Glm53Flash.artifacts(true).count(), 2);
 
         let id = SystemTime::now()
             .duration_since(UNIX_EPOCH)
@@ -366,6 +369,7 @@ mod tests {
             size: 0,
             sha256: "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
             support: None,
+            vision: false,
         };
         let partial = empty.partial_path(ModelChoice::DeepSeekV4Flash0731, &models_path);
         fs::create_dir_all(partial.parent().unwrap()).unwrap();
@@ -393,6 +397,7 @@ mod tests {
                 &EngineArtifacts {
                     model: installed.clone(),
                     support: None,
+                    vision: None,
                 },
             )
             .is_err()
@@ -404,6 +409,7 @@ mod tests {
                 &EngineArtifacts {
                     model: installed,
                     support: None,
+                    vision: None,
                 },
             )
             .is_err()
@@ -428,6 +434,7 @@ mod tests {
             size: 3,
             sha256: "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
             support: None,
+            vision: false,
         };
         let verified_bytes = AtomicU64::new(999);
 
@@ -593,6 +600,7 @@ mod tests {
             size: 10,
             sha256: "unused",
             support: None,
+            vision: false,
         };
         let partial = artifact.partial_path(ModelChoice::DeepSeekV4Flash0731, &directory);
         fs::create_dir_all(partial.parent().unwrap()).unwrap();