Merge branch 'main' into feat/memory-orchestration-be

# Conflicts:
#	api/core/app/apps/advanced_chat/app_runner.py
#	api/core/workflow/constants.py
#	api/core/workflow/entities/variable_pool.py
#	api/core/workflow/nodes/llm/node.py
#	api/models/workflow.py

api/core/variables/segments.py

@@ -130,7 +130,7 @@ class ArraySegment(Segment):
     def markdown(self) -> str:
         items = []
         for item in self.value:
-            items.append(str(item))
+            items.append(f"- {item}")
         return "\n".join(items)
 
 

api/core/variables/variables.py

@@ -1,8 +1,8 @@
 from collections.abc import Sequence
-from typing import Annotated, TypeAlias
+from typing import Annotated, Any, TypeAlias
 from uuid import uuid4
 
-from pydantic import Discriminator, Field, Tag
+from pydantic import BaseModel, Discriminator, Field, Tag
 
 from core.helper import encrypter
 
@@ -112,6 +112,35 @@ class ArrayBooleanVariable(ArrayBooleanSegment, ArrayVariable):
     pass
 
 
+class RAGPipelineVariable(BaseModel):
+    belong_to_node_id: str = Field(description="belong to which node id, shared means public")
+    type: str = Field(description="variable type, text-input, paragraph, select, number,  file, file-list")
+    label: str = Field(description="label")
+    description: str | None = Field(description="description", default="")
+    variable: str = Field(description="variable key", default="")
+    max_length: int | None = Field(
+        description="max length, applicable to text-input, paragraph, and file-list", default=0
+    )
+    default_value: Any = Field(description="default value", default="")
+    placeholder: str | None = Field(description="placeholder", default="")
+    unit: str | None = Field(description="unit, applicable to Number", default="")
+    tooltips: str | None = Field(description="helpful text", default="")
+    allowed_file_types: list[str] | None = Field(
+        description="image, document, audio, video, custom.", default_factory=list
+    )
+    allowed_file_extensions: list[str] | None = Field(description="e.g. ['.jpg', '.mp3']", default_factory=list)
+    allowed_file_upload_methods: list[str] | None = Field(
+        description="remote_url, local_file, tool_file.", default_factory=list
+    )
+    required: bool = Field(description="optional, default false", default=False)
+    options: list[str] | None = Field(default_factory=list)
+
+
+class RAGPipelineVariableInput(BaseModel):
+    variable: RAGPipelineVariable
+    value: Any
+
+
 # The `VariableUnion`` type is used to enable serialization and deserialization with Pydantic.
 # Use `Variable` for type hinting when serialization is not required.
 #