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Update app.py
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app.py
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"""
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======================================================
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📘 金融客服小智(Fintech Assistant)
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======================================================
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"""
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API_KEY = os.getenv("GOOGLE_API_KEY")
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if not API_KEY:
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print("⚠️ 尚未設定 GOOGLE_API_KEY
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# =============================================
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# =============================================
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# 3️⃣
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# =============================================
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client = chromadb.Client()
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except Exception:
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import chromadb.api
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client = chromadb.api.Client()
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collection_map = {"證券": "stocks", "期貨": "futures", "複委託": "overseas"}
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vectordbs = {}
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-
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for cat, docs in qa_docs.items():
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vectordb = Chroma(client=client, collection_name=collection_map[cat], embedding_function=embedding)
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if hasattr(vectordb._collection, "count") and vectordb._collection.count() == 0 and docs:
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vectordb.add_documents(docs)
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vectordbs[cat] = vectordb
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print("✅ 向量資料庫初始化完成。")
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response = llm.invoke(prompt)
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reply = getattr(response, "content", None) or getattr(response, "text", "⚠️ 無回覆")
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else:
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reply = "
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except Exception as e:
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reply = f"⚠️ 生成錯誤:{e}"
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# =============================================
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# 6️⃣ Gradio
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# =============================================
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logo_base64 = ""
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if os.path.exists(LOGO_PATH):
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pointer-events: none;
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}
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#logo-top img { width: 120px; height: auto; display: block; }
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#footer { text-align:center; font-size:13px; color:#aaa; margin-top: 20px; }
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"""
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) as demo:
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if logo_base64:
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gr.HTML(f"<div id='logo-top'><img src='data:image/png;base64,{logo_base64}'></div>")
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gr.
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chatbot = gr.Chatbot(label="💬 對話紀錄", type="messages", height=500)
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def handle_input(message, history):
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if not message.strip():
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return history, gr.update(value="")
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reply = chat_fn(message, history)
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user_input.submit(handle_input, [user_input, chatbot], [chatbot, user_input])
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send_btn.click(handle_input, [user_input, chatbot], [chatbot, user_input])
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with gr.Column(scale=1):
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gr.Markdown("### 🔍 常見問題")
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examples = [
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"未成年可以開戶嗎?",
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"美股可以定期定額嗎?"
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]
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for q in examples:
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gr.Button(q).click(
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gr.HTML("<div id='footer'>© Fintech Assistant — 僅業務使用,非官方授權</div>")
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"""
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======================================================
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📘 金融客服小智(Fintech Assistant)
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版本:v3 (Hugging Face 行動優化版)
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更新重點:
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1. 手機/桌面自適應 (自動換行 + Logo 縮放)
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2. 桌面標題置中、手機上下排列
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3. LINE 風格輸入框
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4. 常見問題按鈕可直接提問不報錯
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5. 清除對話按鈕移到右側欄位底部
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======================================================
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"""
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API_KEY = os.getenv("GOOGLE_API_KEY")
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if not API_KEY:
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print("⚠️ 尚未設定 GOOGLE_API_KEY,系統將以模擬模式運行。")
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# =============================================
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# =============================================
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# 3️⃣ 向量資料庫初始化
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# =============================================
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client = chromadb.Client()
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collection_map = {"證券": "stocks", "期貨": "futures", "複委託": "overseas"}
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vectordbs = {}
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for cat, docs in qa_docs.items():
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vectordb = Chroma(client=client, collection_name=collection_map[cat], embedding_function=embedding)
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if hasattr(vectordb._collection, "count") and vectordb._collection.count() == 0 and docs:
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vectordb.add_documents(docs)
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vectordbs[cat] = vectordb
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print("✅ 向量資料庫初始化完成。")
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response = llm.invoke(prompt)
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reply = getattr(response, "content", None) or getattr(response, "text", "⚠️ 無回覆")
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else:
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reply = "(模擬模式)這是示範回覆,請確認是否已設定 GOOGLE_API_KEY。"
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except Exception as e:
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reply = f"⚠️ 生成錯誤:{e}"
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# =============================================
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# 6️⃣ Gradio 介面(手機自適應 + LINE樣式 + 清除鍵右欄)
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# =============================================
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logo_base64 = ""
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if os.path.exists(LOGO_PATH):
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pointer-events: none;
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}
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#logo-top img { width: 120px; height: auto; display: block; }
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#footer { text-align:center; font-size:13px; color:#aaa; margin-top: 20px; }
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/* 💬 LINE風格輸入列 */
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.input-container {
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display: flex;
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flex-direction: row;
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align-items: center;
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border: 1px solid #ccc;
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border-radius: 25px;
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padding: 5px 8px;
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background-color: #fff;
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}
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.input-container textarea {
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border: none !important;
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outline: none !important;
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resize: none;
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box-shadow: none !important;
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font-size: 15px;
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padding: 8px 10px;
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width: 100%;
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}
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.send-btn {
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border-radius: 20px !important;
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padding: 6px 14px !important;
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margin-left: 6px !important;
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background-color: #007bff !important;
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color: white !important;
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border: none !important;
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}
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/* 🔸 手機版自適應設定 */
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@media (max-width: 768px) {
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#logo-top img { width: 90px; }
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.gradio-container { padding: 8px; }
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#footer { font-size: 12px; margin-top: 10px; }
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#main-title { font-size: 22px !important; line-height: 1.4; }
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#main-title br { display: inline; }
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}
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/* 桌面版標題置中 */
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#main-title {
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text-align: center;
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font-size: 26px;
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margin-top: 60px;
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margin-bottom: 6px;
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font-weight: bold;
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}
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"""
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) as demo:
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if logo_base64:
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gr.HTML(f"<div id='logo-top'><img src='data:image/png;base64,{logo_base64}'></div>")
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# 🔹 標題(桌面置中、手機換行)
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gr.HTML("""
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<div id="main-title">
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👨💼 我是小智<br>您的金融好幫手 🫰
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</div>
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""")
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gr.Markdown("<div style='text-align:center; color:gray;'>Powered by Gemini & LangChain</div>")
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with gr.Row(equal_height=False, wrap=True):
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# 左側:聊天區
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with gr.Column(scale=4, min_width=300):
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chatbot = gr.Chatbot(label="💬 對話紀錄", type="messages", height=500)
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# 🟢 LINE風格輸入框
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with gr.Group(elem_classes="input-container"):
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user_input = gr.Textbox(placeholder="輸入訊息...", show_label=False)
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send_btn = gr.Button("送出", elem_classes="send-btn")
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def handle_input(message, history):
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if history is None:
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history = []
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if not message.strip():
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return history, gr.update(value="")
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reply = chat_fn(message, history)
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user_input.submit(handle_input, [user_input, chatbot], [chatbot, user_input])
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send_btn.click(handle_input, [user_input, chatbot], [chatbot, user_input])
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# 右側:常見問題 + 清除對話
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with gr.Column(scale=1, min_width=200):
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gr.Markdown("### 🔍 常見問題")
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examples = [
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"未成年可以開戶嗎?",
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"美股可以定期定額嗎?"
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]
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for q in examples:
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gr.Button(q).click(
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fn=lambda q=q, history=[]: handle_input(q, history),
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inputs=[],
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outputs=[chatbot, user_input]
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)
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# ✅ 清除按鈕
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def clear_all():
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memory.clear()
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return [], gr.update(value="")
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gr.Markdown("---")
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gr.Button("🧹 清除對話").click(clear_all, outputs=[chatbot, user_input])
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gr.HTML("<div id='footer'>© Fintech Assistant — 僅業務使用,非官方授權</div>")
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