add a new english model

model.py

@@ -1586,25 +1586,45 @@ def _get_streaming_zipformer_pre_trained_model(
     assert repo_id in [
         "csukuangfj/sherpa-onnx-streaming-zipformer-bilingual-zh-en-2023-02-20",
         "k2-fsa/sherpa-onnx-streaming-zipformer-korean-2024-06-16",
+        "csukuangfj/sherpa-onnx-streaming-zipformer-en-kroko-2025-08-06",
     ], repo_id
 
-    encoder_model = _get_nn_model_filename(
-        repo_id=repo_id,
-        filename="encoder-epoch-99-avg-1.onnx",
-        subfolder=".",
-    )
+    if repo_id == "csukuangfj/sherpa-onnx-streaming-zipformer-en-kroko-2025-08-06":
+        encoder_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="encoder.onnx",
+            subfolder=".",
+        )
 
-    decoder_model = _get_nn_model_filename(
-        repo_id=repo_id,
-        filename="decoder-epoch-99-avg-1.onnx",
-        subfolder=".",
-    )
+        decoder_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="decoder.onnx",
+            subfolder=".",
+        )
 
-    joiner_model = _get_nn_model_filename(
-        repo_id=repo_id,
-        filename="joiner-epoch-99-avg-1.onnx",
-        subfolder=".",
-    )
+        joiner_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="joiner.onnx",
+            subfolder=".",
+        )
+    else:
+        encoder_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="encoder-epoch-99-avg-1.onnx",
+            subfolder=".",
+        )
+
+        decoder_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="decoder-epoch-99-avg-1.onnx",
+            subfolder=".",
+        )
+
+        joiner_model = _get_nn_model_filename(
+            repo_id=repo_id,
+            filename="joiner-epoch-99-avg-1.onnx",
+            subfolder=".",
+        )
 
     tokens = _get_token_filename(repo_id=repo_id, subfolder=".")
 
@@ -2030,6 +2050,7 @@ english_models = {
     "whisper-small.en": _get_whisper_model,
     "csukuangfj/sherpa-onnx-nemo-parakeet_tdt_ctc_110m-en-36000": _get_sherpa_onnx_nemo_ctc_models,
     "csukuangfj/sherpa-onnx-nemo-parakeet_tdt_transducer_110m-en-36000": _get_sherpa_onnx_nemo_transducer_models,
+    "csukuangfj/sherpa-onnx-streaming-zipformer-en-kroko-2025-08-06": _get_streaming_zipformer_pre_trained_model,
     #  "whisper-medium.en": _get_whisper_model,
     "csukuangfj/sherpa-onnx-zipformer-en-libriheavy-20230926-large": _get_sherpa_onnx_offline_zipformer_pre_trained_model,
     "csukuangfj/sherpa-onnx-zipformer-en-libriheavy-20230926-medium": _get_sherpa_onnx_offline_zipformer_pre_trained_model,