fix: http connection not working

app.py

@@ -3,9 +3,17 @@ import requests
 import json
 from models import OptimizeRequest, AutotuneRequest, QARequest
 import os
+import threading
+import uvicorn
+from api import app as fastapi_app
 
-API_URL = "http://localhost:8000"
+API_URL = "http://127.0.0.1:7861"
 
+def start_fastapi():
+    uvicorn.run(fastapi_app, host="0.0.0.0", port=7861, log_level="info")
+
+# Start FastAPI in a background thread
+threading.Thread(target=start_fastapi, daemon=True).start()
 
 # -------------------------------
 # Helper to call API
@@ -79,8 +87,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
             label="Drag & Drop Files"
         )
         upload_path = gr.Textbox(value=DEFAULT_UPLOAD_PATH, label="Docs Path")
-        upload_output = gr.Textbox(label="Response")
         upload_btn = gr.Button("Upload",variant='primary')
+        upload_output = gr.Textbox(label="Response")
         upload_btn.click(upload_docs_tool, inputs=[upload_files, upload_path], outputs=upload_output)
         gr.Markdown("---")
 
@@ -88,8 +96,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     with gr.Column():
         gr.Markdown("## Optimize RAG\nRun full RAG optimization with custom parameters.")
         optimize_input = gr.Textbox(lines=12, value=DEFAULT_OPTIMIZE_JSON, label="OptimizeRequest JSON")
-        optimize_output = gr.Textbox(lines=15, label="Response")
         optimize_btn = gr.Button("Submit",variant='primary')
+        optimize_output = gr.Textbox(lines=15, label="Response")
         optimize_btn.click(optimize_rag_tool, inputs=optimize_input, outputs=optimize_output)
         gr.Markdown("---")
 
@@ -97,8 +105,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     with gr.Column():
         gr.Markdown("## Autotune RAG\nRun AutoRAG tuner and full optimization.")
         autotune_input = gr.Textbox(lines=12, value=DEFAULT_AUTOTUNE_JSON, label="AutotuneRequest JSON")
-        autotune_output = gr.Textbox(lines=15, label="Response")
         autotune_btn = gr.Button("Submit",variant='primary')
+        autotune_output = gr.Textbox(lines=15, label="Response")
         autotune_btn.click(autotune_tool, inputs=autotune_input, outputs=autotune_output)
         gr.Markdown("---")
 
@@ -106,8 +114,8 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
     with gr.Column():
         gr.Markdown("## Generate QA\nGenerate validation QA dataset from documents.")
         qa_input = gr.Textbox(lines=12, value=DEFAULT_QA_JSON, label="QARequest JSON")
-        qa_output = gr.Textbox(lines=15, label="Response")
         qa_btn = gr.Button("Submit",variant='primary')
+        qa_output = gr.Textbox(lines=15, label="Response")
         qa_btn.click(generate_qa_tool, inputs=qa_input, outputs=qa_output)
         gr.Markdown("---")