app.py

import gradio as gr

# Simple simulation of EchoLoop × PersonaStack
persona_state = {"current": "Calm Analyst"}

def language_soul_response(user_input, echo_feedback, switch_persona):
    if switch_persona:
        persona_state["current"] = switch_persona
    response = f"[{persona_state['current']}] You said: '{user_input}'"
    if echo_feedback:
        response += f" | Reflecting on echo: '{echo_feedback}'"
    return response

iface = gr.Interface(
    fn=language_soul_response,
    inputs=[
        gr.Textbox(label="User Input"),
        gr.Textbox(label="Echo Feedback (Optional)"),
        gr.Textbox(label="Switch Persona (Optional)")
    ],
    outputs="text",
    title="LanguageSoul v2.5 Demo",
    description="EchoLoop × PersonaStack Module Simulation (Full Text Version)"
)

iface.launch()