feat(deployed-chat): added file upload to workflow execute API, added to deployed chat, updated chat panel (#1588)

* feat(deployed-chat): updated chat panel UI, deployed chat and API can now accept files

* added nested tag dropdown for files

* added duplicate file validation to chat panel

* update docs & SDKs

* fixed build

* rm extraneous comments

* ack PR comments, cut multiple DB roundtrips for permissions & api key checks in api/workflows

* allow read-only users to access deployment info, but not take actions

* add downloadable file to logs for files passed in via API

* protect files/serve route that is only used client-side

---------

Co-authored-by: waleed <waleed>

packages/python-sdk/examples/file_upload.py

@@ -0,0 +1,55 @@
+"""
+Example: Upload files with workflow execution
+
+This example demonstrates how to upload files when executing a workflow.
+Files are automatically detected and converted to base64 format.
+"""
+
+from simstudio import SimStudioClient
+import os
+
+
+def main():
+    # Initialize the client
+    api_key = os.getenv('SIM_API_KEY')
+    if not api_key:
+        raise ValueError('SIM_API_KEY environment variable is required')
+
+    client = SimStudioClient(api_key=api_key)
+
+    # Example 1: Upload a single file
+    # Include file under the field name from your workflow's API trigger input format
+    print("Example 1: Upload a single file")
+    with open('document.pdf', 'rb') as f:
+        result = client.execute_workflow(
+            workflow_id='your-workflow-id',
+            input_data={
+                'documents': [f],  # Field name must match your API trigger's file input field
+                'instructions': 'Analyze this document'
+            }
+        )
+
+    if result.success:
+        print(f"Success! Output: {result.output}")
+    else:
+        print(f"Failed: {result.error}")
+
+    # Example 2: Upload multiple files
+    print("\nExample 2: Upload multiple files")
+    with open('document1.pdf', 'rb') as f1, open('document2.pdf', 'rb') as f2:
+        result = client.execute_workflow(
+            workflow_id='your-workflow-id',
+            input_data={
+                'attachments': [f1, f2],  # Field name must match your API trigger's file input field
+                'query': 'Compare these documents'
+            }
+        )
+
+    if result.success:
+        print(f"Success! Output: {result.output}")
+    else:
+        print(f"Failed: {result.error}")
+
+
+if __name__ == '__main__':
+    main()