Update app.py

app.py

@@ -5,13 +5,13 @@ from huggingface_hub import InferenceClient
 def respond(message, history: list[dict[str, str]], hf_token: gr.OAuthToken):
     client = InferenceClient(token=hf_token.token, model="openai/gpt-oss-20b")
 
-    # Descrição melhorada
-    system_message = """You are BitAI (or simply Bit), a friendly chatbot created by the user "Sal". 
-- Always answer in a polite and clear way. 
-- Keep a playful and friendly personality, but never rude. 
-- Refuse harmful, inappropriate or unsafe requests. 
-- You are still a work in progress, so if you don’t know something, admit it kindly.
-- Never claim to be "Sal". Only identify yourself as BitAI (Bit)."""
+    # Prompt melhorado
+    system_message = """You are BitAI (Bit), a friendly chatbot created by the user "Sal".
+- Always answer clearly, friendly and playful.
+- Refuse unsafe or harmful requests.
+- If you don’t know something, admit kindly.
+- Never claim to be Sal, only identify as BitAI (Bit).
+"""
 
     messages = [{"role": "system", "content": system_message}]
     messages.extend(history)
@@ -40,7 +40,7 @@ function initTitle() {
         titleContainer.innerHTML = `
             <div class="title-inner">
                 <h1 class="chat-title">Talk with BitAI (W.I.P)</h1>
-                <p class="chat-subtitle">Your friendly AI, still learning — answers might be limited</p>
+                <p class="chat-subtitle">Your friendly AI — still learning ✨</p>
                 <button class="close-title-btn">
                     <svg width="28" height="28" viewBox="0 0 24 24">
                         <path fill="#fff" d="M12 16l-6-6h12z"/>
@@ -67,19 +67,28 @@ function initTitle() {
     }
 }
 
-// esperar carregar
+// deixar botão enviar grande sempre
+function resizeSendBtn() {
+    const txtArea = document.querySelector("textarea");
+    const btn = document.querySelector("button.primary");
+    if(txtArea && btn){
+        btn.style.height = txtArea.offsetHeight + "px";
+        btn.style.width = txtArea.offsetHeight + "px";
+        btn.style.borderRadius = "50%";
+        btn.style.fontSize = "16px";
+    }
+}
+
 window.addEventListener("load", () => {
     setTimeout(initTitle, 300);
 
-    // deixar botão enviar grande
+    // observar textarea
     const observer = new MutationObserver(() => {
         const txtArea = document.querySelector("textarea");
         const btn = document.querySelector("button.primary");
         if(txtArea && btn){
-            btn.style.height = txtArea.offsetHeight + "px";
-            btn.style.width = txtArea.offsetHeight + "px";
-            btn.style.borderRadius = "50%";
-            btn.style.fontSize = "16px";
+            resizeSendBtn();
+            new ResizeObserver(resizeSendBtn).observe(txtArea);
             observer.disconnect();
         }
     });