Update data sources to include descriptions and send them to copilot

apps/copilot/app.py

@@ -1,6 +1,6 @@
 from flask import Flask, request, jsonify, Response, stream_with_context
 from pydantic import BaseModel, ValidationError
-from typing import List
+from typing import List, Optional
 from copilot import UserMessage, AssistantMessage, get_response
 from streaming import get_streaming_response
 from lib import AgentContext, PromptContext, ToolContext, ChatContext
@@ -9,11 +9,20 @@ from functools import wraps
 from copilot import copilot_instructions_edit_agent
 import json
 
+class DataSource(BaseModel):
+    name: str
+    description: Optional[str] = None
+    active: bool = True
+    status: str  # 'pending' | 'ready' | 'error' | 'deleted'
+    error: Optional[str] = None
+    data: dict  # The discriminated union based on type
+
 class ApiRequest(BaseModel):
     messages: List[UserMessage | AssistantMessage]
     workflow_schema: str
     current_workflow_config: str
     context: AgentContext | PromptContext | ToolContext | ChatContext | None = None
+    dataSources: Optional[List[DataSource]] = None
 
 class ApiResponse(BaseModel):
     response: str
@@ -61,7 +70,8 @@ def chat_stream():
                 messages=request_data.messages,
                 workflow_schema=request_data.workflow_schema,
                 current_workflow_config=request_data.current_workflow_config,
-                context=request_data.context
+                context=request_data.context,
+                dataSources=request_data.dataSources
             )
 
             for chunk in stream: