v1.8.66: fix 7 Redis bugs — shlex parser, GUI stats, SSL, error handling, dedup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

core/status_checker.py

@@ -100,12 +100,9 @@ class StatusChecker:
         try:
             from core.redis_client import RedisClient
             client = RedisClient(server)
-            result = client.connect()
-            if result:
-                ok = client.check_connection()
-                client.disconnect()
-                return ok
-            return False
+            result = client.connect()  # connect() уже делает ping()
+            client.disconnect()
+            return result
         except Exception:
             return False