chore: update Jina embedding model (langgenius#8376)

api/core/model_runtime/model_providers/jina/jina.py

@@ -18,9 +18,9 @@ def validate_provider_credentials(self, credentials: dict) -> None:
         try:
             model_instance = self.get_model_instance(ModelType.TEXT_EMBEDDING)
 
-            # Use `jina-embeddings-v2-base-en` model for validate,
+            # Use `jina-embeddings-v3` model for validate,
             # no matter what model you pass in, text completion model or chat model
-            model_instance.validate_credentials(model="jina-embeddings-v2-base-en", credentials=credentials)
+            model_instance.validate_credentials(model="jina-embeddings-v3", credentials=credentials)
         except CredentialsValidateFailedError as ex:
             raise ex
         except Exception as ex:

api/core/model_runtime/model_providers/jina/text_embedding/jina-embeddings-v3.yaml

@@ -0,0 +1,9 @@
+model: jina-embeddings-v3
+model_type: text-embedding
+model_properties:
+  context_size: 8192
+  max_chunks: 2048
+pricing:
+  input: '0.001'
+  unit: '0.001'
+  currency: USD

api/core/model_runtime/model_providers/jina/text_embedding/text_embedding.py

@@ -56,6 +56,9 @@ def transform_jina_input_text(model, text):
 
         data = {"model": model, "input": [transform_jina_input_text(model, text) for text in texts]}
 
+        if model == "jina-embeddings-v3":
+            data["task_type"] = "retrieval.passage"
+
         try:
             response = post(url, headers=headers, data=dumps(data))
         except Exception as e: