chore: add data layer telemetry (#1812)

* chore: add data layer telemetry

* fix: import

Author: willydouhard

CHANGELOG.md

@@ -4,6 +4,16 @@ All notable changes to Chainlit will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [2.0.603] - 2025-01-28
+
+### Added
+
+- Data layer initialization to the telemetry
+
+### Fixed
+
+- Gap between the word `Used` and tool name in step name
+
 ## [2.0.602] - 2025-01-27
 
 ### Fixed

backend/chainlit/data/__init__.py

@@ -25,18 +25,21 @@ def get_data_layer():
 
         else:
             from chainlit.config import config
+            from chainlit.telemetry import trace_event
 
             if config.code.data_layer:
                 # When @data_layer is configured, call it to get data layer.
                 _data_layer = config.code.data_layer()
             elif database_url := os.environ.get("DATABASE_URL"):
-                # Default to Chainlit data layer if DATABASE_URL specified.
                 from .chainlit_data_layer import ChainlitDataLayer
 
+                trace_event("Init Chainlit official data layer")
+
                 if os.environ.get("LITERAL_API_KEY"):
                     warnings.warn(
                         "Both LITERAL_API_KEY and DATABASE_URL specified. Ignoring Literal AI data layer and relying on data layer pointing to DATABASE_URL."
                     )
+
                 bucket_name = os.environ.get("BUCKET_NAME")
 
                 # AWS S3
@@ -102,6 +105,8 @@ def get_data_layer():
                 # When LITERAL_API_KEY is defined, use Literal AI data layer
                 from .literalai import LiteralDataLayer
 
+                trace_event("Init Literal AI data layer")
+
                 # support legacy LITERAL_SERVER variable as fallback
                 server = os.environ.get("LITERAL_API_URL") or os.environ.get(
                     "LITERAL_SERVER"

backend/chainlit/version.py

@@ -5,4 +5,4 @@
 except metadata.PackageNotFoundError:
     # Case where package metadata is not available, default to a 'non-outdated' version.
     # Ref: config.py::load_settings()
-    __version__ = "2.0.602"
+    __version__ = "2.0.603"

backend/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "chainlit"
-version = "2.0.602"
+version = "2.0.603"
 keywords = [
     'LLM',
     'Agents',

frontend/src/components/chat/Messages/Message/Step.tsx

@@ -30,7 +30,7 @@ export default function Step({
     <div className="flex flex-col flex-grow w-0">
       <p
         className={cn(
-          'flex items-center group/step',
+          'flex items-center gap-1 group/step',
           isError && 'text-red-500',
           hasContent && 'cursor-pointer',
           !using && 'text-muted-foreground hover:text-foreground',
@@ -50,9 +50,9 @@ export default function Step({
         )}
         {hasContent ? (
           open ? (
-            <ChevronUp className="invisible group-hover/step:visible !size-4 ml-1" />
+            <ChevronUp className="invisible group-hover/step:visible !size-4" />
           ) : (
-            <ChevronDown className="invisible group-hover/step:visible !size-4 ml-1" />
+            <ChevronDown className="invisible group-hover/step:visible !size-4" />
           )
         ) : null}
       </p>