add tags and metadata to steps and messages

backend/chainlit/data/__init__.py

@@ -327,13 +327,16 @@ async def delete_element(self, element_id: str):
 
     @queue_until_user_message()
     async def create_step(self, step_dict: "StepDict"):
-        metadata = {
-            "disableFeedback": step_dict.get("disableFeedback"),
-            "isError": step_dict.get("isError"),
-            "waitForAnswer": step_dict.get("waitForAnswer"),
-            "language": step_dict.get("language"),
-            "showInput": step_dict.get("showInput"),
-        }
+        metadata = dict(
+            step_dict.get("metadata", {}),
+            **{
+                "disableFeedback": step_dict.get("disableFeedback"),
+                "isError": step_dict.get("isError"),
+                "waitForAnswer": step_dict.get("waitForAnswer"),
+                "language": step_dict.get("language"),
+                "showInput": step_dict.get("showInput"),
+            },
+        )
 
         step: LiteralStepDict = {
             "createdAt": step_dict.get("createdAt"),
@@ -345,6 +348,7 @@ async def create_step(self, step_dict: "StepDict"):
             "name": step_dict.get("name"),
             "threadId": step_dict.get("threadId"),
             "type": step_dict.get("type"),
+            "tags": step_dict.get("tags"),
             "metadata": metadata,
         }
         if step_dict.get("input"):

backend/chainlit/message.py

@@ -39,6 +39,8 @@ class MessageBase(ABC):
     persisted = False
     is_error = False
     language: Optional[str] = None
+    metadata: Optional[Dict] = None
+    tags: Optional[List[str]] = None
     wait_for_answer = False
     indent: Optional[int] = None
     generation: Optional[BaseGeneration] = None
@@ -83,6 +85,8 @@ def to_dict(self) -> StepDict:
             "waitForAnswer": self.wait_for_answer,
             "indent": self.indent,
             "generation": self.generation.to_dict() if self.generation else None,
+            "metadata": self.metadata or {},
+            "tags": self.tags,
         }
 
         return _dict
@@ -209,6 +213,8 @@ def __init__(
         disable_feedback: bool = False,
         type: MessageStepType = "assistant_message",
         generation: Optional[BaseGeneration] = None,
+        metadata: Optional[Dict] = None,
+        tags: Optional[List[str]] = None,
         id: Optional[str] = None,
         created_at: Union[str, None] = None,
     ):
@@ -234,6 +240,9 @@ def __init__(
         if created_at:
             self.created_at = created_at
 
+        self.metadata = metadata
+        self.tags = tags
+
         self.author = author
         self.type = type
         self.actions = actions if actions is not None else []

backend/chainlit/step.py

@@ -29,6 +29,7 @@ class StepDict(TypedDict, total=False):
     waitForAnswer: Optional[bool]
     isError: Optional[bool]
     metadata: Dict
+    tags: Optional[List[str]]
     input: str
     output: str
     createdAt: Optional[str]
@@ -47,6 +48,7 @@ def step(
     name: Optional[str] = "",
     type: TrueStepType = "undefined",
     id: Optional[str] = None,
+    tags: Optional[List[str]] = None,
     disable_feedback: bool = True,
     root: bool = False,
     language: Optional[str] = None,
@@ -71,6 +73,7 @@ async def async_wrapper(*args, **kwargs):
                     id=id,
                     disable_feedback=disable_feedback,
                     root=root,
+                    tags=tags,
                     language=language,
                     show_input=show_input,
                 ) as step:
@@ -97,6 +100,7 @@ def sync_wrapper(*args, **kwargs):
                     id=id,
                     disable_feedback=disable_feedback,
                     root=root,
+                    tags=tags,
                     language=language,
                     show_input=show_input,
                 ) as step:
@@ -137,6 +141,7 @@ class Step:
 
     is_error: Optional[bool]
     metadata: Dict
+    tags: Optional[List[str]]
     thread_id: str
     created_at: Union[str, None]
     start: Union[str, None]
@@ -153,6 +158,8 @@ def __init__(
         id: Optional[str] = None,
         parent_id: Optional[str] = None,
         elements: Optional[List[Element]] = None,
+        metadata: Optional[Dict] = None,
+        tags: Optional[List[str]] = None,
         disable_feedback: bool = True,
         root: bool = False,
         language: Optional[str] = None,
@@ -167,7 +174,8 @@ def __init__(
         self.type = type
         self.id = id or str(uuid.uuid4())
         self.disable_feedback = disable_feedback
-        self.metadata = {}
+        self.metadata = metadata or {}
+        self.tags = tags
         self.is_error = False
         self.show_input = show_input
         self.parent_id = parent_id
@@ -231,6 +239,7 @@ def to_dict(self) -> StepDict:
             "disableFeedback": self.disable_feedback,
             "streaming": self.streaming,
             "metadata": self.metadata,
+            "tags": self.tags,
             "input": self.input,
             "isError": self.is_error,
             "output": self.output,