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+# command_handler.py (Corrected Version)
+import pandas as pd
+from linebot.v3.messaging import TextMessage, ImageMessage
+
+# 匯入所有服務函式
+from cwa_service import fetch_cwa_alarm_list, fetch_significant_earthquakes, fetch_latest_significant_earthquake
+from usgs_service import fetch_global_last24h_text, fetch_taiwan_df_this_year
+from plotting_service import create_and_save_map
+from ai_service import generate_ai_text
+# [修正] 將 HF_SPACE_URL 改為 MCP_SERVER_URL
+from config import CURRENT_YEAR, MCP_SERVER_URL
+
+def get_help_message() -> TextMessage:
+    text = (
+        "📖 指令列表 (輸入 #數字 即可)\n\n"
+        "【地震資訊】\n"
+        "• #1 - 最新一筆顯著地震 (含圖)\n"
+        "• #2 - 全球近24小時顯著地震（USGS)\n"
+        "• #3 - 今年台灣顯著地震列表（USGS)\n"
+        "• #4 - CWA 地震目錄查詢 (外部連結)\n"
+        "• #5 - CWA 最新地震預警\n"
+        "• #6 - CWA 最近7天顯著有感地震\n\n"
+        "【AI 與工具】\n"
+        "• #7 <問題> - 與 AI 助理對話\n\n"
+        "【基本指令】\n"
+        "• #8 - 關於此機器人\n"
+        "• #9 - 顯示此說明"
+    )
+    return TextMessage(text=text)
+
+def get_info_message() -> TextMessage:
+    text = (
+        "🤖 關於我\n\n"
+        "我是一個多功能助理機器人，提供地震查詢與 AI 對話功能。\n\n"
+        "• 版本: 5.0 (Gemini Edition) 搭配搜尋地震目錄的MCP功能（可用資料 : 1973-01-01 至 2025-07-06）\n"
+        "• 資料來源: CWA, USGS, Google Gemini\n"
+        "• 開發者: dayichen"
+    )
+    return TextMessage(text=text)
+
+def get_taiwan_earthquake_list() -> TextMessage:
+    result = fetch_taiwan_df_this_year()
+    if isinstance(result, pd.DataFrame):
+        count = len(result)
+        lines = [f"🇹🇼 今年 ({CURRENT_YEAR} 年) 台灣區域顯著地震 (M≥5.0)，共 {count} 筆:", "-" * 20]
+        for _, row in result.head(15).iterrows():
+            t = row["time_utc"].strftime("%Y-%m-%d %H:%M")
+            lines.append(
+                f"規模: {row['magnitude']:.1f} | 日期時間: {t} (UTC)\n"
+                f"地點: {row['place']}\n"
+                f"報告連結: {row.get('url', '無')}"
+            )
+        if count > 15:
+            lines.append(f"... (還有 {count-15} 筆資料)")
+        reply_text = "\n\n".join(lines)
+    else:
+        reply_text = result
+    return TextMessage(text=reply_text)
+
+def get_latest_earthquake_reply() -> list:
+    try:
+        latest_eq = fetch_latest_significant_earthquake()
+        if not latest_eq:
+            return [TextMessage(text="✅ 近期無顯著有感地震報告。")]
+
+        mag_str = f"{latest_eq['Magnitude']:.1f}" if latest_eq.get('Magnitude') is not None else "—"
+        depth_str = f"{latest_eq['Depth']:.0f}" if latest_eq.get('Depth') is not None else "—"
+        
+        text_message_content = (
+            f"🚨 CWA 最新顯著有感地震\n"
+            f"----------------------------------\n"
+            f"時間: {latest_eq.get('TimeStr', '—')}\n"
+            f"地點: {latest_eq.get('Location', '—')}\n"
+            f"規模: M{mag_str} | 深度: {depth_str} km\n"
+            f"報告: {latest_eq.get('URL', '無')}"
+        )
+        reply_messages = [TextMessage(text=text_message_content)]
+
+        if latest_eq.get("ImageURL"):
+            image_url = latest_eq["ImageURL"]
+            reply_messages.append(
+                ImageMessage(original_content_url=image_url, preview_image_url=image_url)
+            )
+        
+        return reply_messages
+    except Exception as e:
+        return [TextMessage(text=f"❌ 查詢最新地震失敗：{e}")]
+
+def process_message(user_message_raw: str, request_base_url: str) -> list:
+    user_message = (user_message_raw or "").strip()
+    
+    cmd_map = {
+        '#1': '/latest', '#2': '/global', '#3': '/taiwan',
+        '#4': '/map', '#5': '/alert', '#6': '/significant',
+        '#7': '/ai', '#8': '/info', '#9': '/help',
+        '地震': '/global', 'quake': '/global', '幫助': '/help',
+        '台灣地震': '/taiwan', '臺灣地震': '/taiwan',
+        '台灣地震畫圖': '/map', '臺灣地震畫圖': '/map',
+        '地震預警': '/alert',
+    }
+
+    command = ""
+    arg = ""
+    
+    if user_message.lower() in cmd_map:
+        command = cmd_map[user_message.lower()]
+    elif user_message.startswith(('#', '/')):
+        parts = user_message.split(' ', 1)
+        key = parts[0]
+        arg = parts[1].strip() if len(parts) > 1 else ""
+        if key in cmd_map:
+            command = cmd_map[key]
+
+    if command:
+        if command == '/help': return [get_help_message()]
+        if command == '/info': return [get_info_message()]
+        if command == '/latest': return get_latest_earthquake_reply()
+        if command == '/global': return [TextMessage(text=fetch_global_last24h_text())]
+        if command == '/taiwan': return [get_taiwan_earthquake_list()]
+        # [修正] 將 HF_SPACE_URL 改為 MCP_SERVER_URL
+        if command == '/map': return [TextMessage(text=f"🗺️ 外部地震查詢服務\n\n請點擊以下連結：\n{MCP_SERVER_URL}")]
+        if command == '/alert': return [TextMessage(text=fetch_cwa_alarm_list(limit=5))]
+        if command == '/significant': return [TextMessage(text=fetch_significant_earthquakes(limit=5))]
+        if command == '/ai':
+            prompt = arg
+            if not prompt: return [TextMessage(text="請輸入問題，例如：#7 台灣最高的山是哪座？")]
+            return [TextMessage(text=generate_ai_text(prompt))]
+
+    return [TextMessage(text=generate_ai_text(user_message))]