fix: 统一退市/ST股票过滤逻辑

- sync_kline.py: get_all_stock_codes SQL 添加 ST 过滤
- full_signal_scan.py: get_all_stock_codes SQL 添加 ST 过滤
- routes/analysis.py: total_stocks/triggered_stocks/信号分布/推荐分布
  统计查询统一添加退市/ST过滤，确保分母与过滤后扫描范围一致

stock-html/sync_kline.py

@@ -60,6 +60,7 @@ def get_all_stock_codes(conn):
             SELECT code, name FROM stock_realtime_price
             WHERE volume > 0 AND price > 0
               AND name NOT LIKE '%%退%%'
+              AND name NOT LIKE '%%ST%%'
               AND name NOT LIKE 'PT%%'
             ORDER BY code
         """)