fix(HEL-494): 日K默认45根并修复问天行业0/205覆盖

悬浮窗和详情页只画最近45个交易日，中枢仍保留250日历史。盘后缺sw_daily时保留成分日线内核，外显走免费申万；成分行情改为全市场快照+分页，不再截成前60只。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>

tests/test_global_search.py

@@ -94,7 +94,7 @@ class GlobalSearchTests(unittest.TestCase):
         self.assertIn('event.key.toLowerCase() !== "k"', script)
         self.assertIn('openStock(item.id, { code: item.code', script)
         self.assertNotIn('include_notes', script)
-        self.assertIn('const candles = (series || [])', script)
+        self.assertIn('const candles = visibleDailyPrices((series || [])', script)
         self.assertIn('renderStockNotes(payload.notes || [])', script)