update stepfun model (#7118)

Co-authored-by: chenlinfeng <chenlinfeng@step.ai>
Co-authored-by: Tfsh <tianfs_fight@163.com>

api/core/model_runtime/model_providers/stepfun/llm/_position.yaml

@@ -2,5 +2,7 @@
 - step-1-32k
 - step-1-128k
 - step-1-256k
+- step-1-flash
+- step-2-16k
 - step-1v-8k
 - step-1v-32k

api/core/model_runtime/model_providers/stepfun/llm/step-1-flash.yaml

@@ -0,0 +1,25 @@
+model: step-1-flash
+label:
+  zh_Hans: step-1-flash
+  en_US: step-1-flash
+model_type: llm
+features:
+  - agent-thought
+model_properties:
+  mode: chat
+  context_size: 8000
+parameter_rules:
+  - name: temperature
+    use_template: temperature
+  - name: top_p
+    use_template: top_p
+  - name: max_tokens
+    use_template: max_tokens
+    default: 512
+    min: 1
+    max: 8000
+pricing:
+  input: '0.001'
+  output: '0.004'
+  unit: '0.001'
+  currency: RMB

api/core/model_runtime/model_providers/stepfun/llm/step-1v-32k.yaml

@@ -5,6 +5,9 @@ label:
 model_type: llm
 features:
   - vision
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
 model_properties:
   mode: chat
   context_size: 32000

api/core/model_runtime/model_providers/stepfun/llm/step-1v-8k.yaml

@@ -5,6 +5,9 @@ label:
 model_type: llm
 features:
   - vision
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
 model_properties:
   mode: chat
   context_size: 8192

api/core/model_runtime/model_providers/stepfun/llm/step-2-16k.yaml

@@ -0,0 +1,28 @@
+model: step-2-16k
+label:
+  zh_Hans: step-2-16k
+  en_US: step-2-16k
+model_type: llm
+features:
+  - agent-thought
+  - tool-call
+  - multi-tool-call
+  - stream-tool-call
+model_properties:
+  mode: chat
+  context_size: 16000
+parameter_rules:
+  - name: temperature
+    use_template: temperature
+  - name: top_p
+    use_template: top_p
+  - name: max_tokens
+    use_template: max_tokens
+    default: 1024
+    min: 1
+    max: 16000
+pricing:
+  input: '0.038'
+  output: '0.120'
+  unit: '0.001'
+  currency: RMB