add: announcement

app.py

@@ -57,6 +57,23 @@ def log_to_google_sheet(question, answer, contexts, scores):
     except Exception as e:
         print("寫入 Google Sheet 失敗:", str(e))
 
+def fetch_announcement_from_sheet():
+    try:
+        url = os.environ.get("ANNOUNCEMENT_URL")
+        if not url:
+            return "📢 尚無公告"
+        df = pd.read_csv(url)
+
+        if "Announcement" in df.columns:
+            content = str(df["announcement"].iloc[0]).strip()
+            if not content:
+                return "📢 尚無公告"
+            return f"📢 {content}"
+        else:
+            return "📢 無法讀取公告欄位"
+    except Exception as e:
+        return f"📢 載入公告失敗：{str(e)}"
+
 def validate_openai_key(api_key):
     try:
         client = OpenAI(api_key=api_key)
@@ -262,6 +279,7 @@ with gr.Blocks() as demo:
 - 🔁 [分流 B](https://huggingface.co/spaces/KSLab/RAG_Evaluator_B)
 - 🔁 [分流 C](https://huggingface.co/spaces/KSLab/RAG_Evaluator_C)
 """)
+    gr.Markdown(fetch_announcement_from_sheet())
 
     file_input = gr.File(label="上傳 Evaluation_Dataset.csv")
     api_key_input = gr.Textbox(label="OpenAI API Key", type="password")