---
title: LanguageSoul System v2.5
emoji: 🧠
colorFrom: indigo
colorTo: pink
sdk: gradio
sdk_version: "4.21.0"
app_file: app.py
pinned: false
---

# LanguageSoul System v2.5 – EchoLoop × PersonaStack Demo

Gradio-based prototype of the LanguageSoul system,  
simulating internal persona state, tone-chain memory, and echo feedback logic.

## 🔧 Features
- 🎭 Persona selection and tone memory chaining
- 🔁 EchoLoop simulation for reflective feedback
- 📊 ΔS (tonal density) display with semantic explanation
- 🧠 Chain ID dropdown for situation simulation

## 🚀 Usage
1. Input a phrase and optionally add Echo feedback.
2. Choose a persona and a tone-chain ID.
3. See the resulting response including ΔS and chain logic.

Part of the **YuHun 語魂系統** initiative.