FEAT: NEW WORKFLOW ENGINE (#3160)

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: Yeuoly <admin@srmxy.cn>
Co-authored-by: JzoNg <jzongcode@gmail.com>
Co-authored-by: StyleZhang <jasonapring2015@outlook.com>
Co-authored-by: jyong <jyong@dify.ai>
Co-authored-by: nite-knite <nkCoding@gmail.com>
Co-authored-by: jyong <718720800@qq.com>

api/core/prompt/entities/advanced_prompt_entities.py

@@ -0,0 +1,42 @@
+from typing import Optional
+
+from pydantic import BaseModel
+
+from core.model_runtime.entities.message_entities import PromptMessageRole
+
+
+class ChatModelMessage(BaseModel):
+    """
+    Chat Message.
+    """
+    text: str
+    role: PromptMessageRole
+
+
+class CompletionModelPromptTemplate(BaseModel):
+    """
+    Completion Model Prompt Template.
+    """
+    text: str
+
+
+class MemoryConfig(BaseModel):
+    """
+    Memory Config.
+    """
+    class RolePrefix(BaseModel):
+        """
+        Role Prefix.
+        """
+        user: str
+        assistant: str
+
+    class WindowConfig(BaseModel):
+        """
+        Window Config.
+        """
+        enabled: bool
+        size: Optional[int] = None
+
+    role_prefix: Optional[RolePrefix] = None
+    window: WindowConfig