feat：优化timing门控逻辑，减少消耗，提高速度

tests/test_maisaka_timing_gate_logic.py

@@ -0,0 +1,10 @@
+from src.maisaka.reasoning_engine import MaisakaReasoningEngine
+
+
+def test_continue_action_closes_timing_gate_for_following_rounds() -> None:
+    assert MaisakaReasoningEngine._mark_timing_gate_completed("continue") is False
+
+
+def test_non_continue_actions_require_next_timing_gate() -> None:
+    assert MaisakaReasoningEngine._mark_timing_gate_completed("wait") is True
+    assert MaisakaReasoningEngine._mark_timing_gate_completed("no_reply") is True