feat: require gate reset before post-stop reentry

app/schemas/trade_setup.py

@@ -59,6 +59,6 @@ class TradeSetupResponse(BaseModel):
     momentum_percentile: float | None = None
     strategy_rank: float | None = None
     volatility_percentile: float | None = None
-    reentry_lockdown_remaining_sessions: int | None = None
+    reentry_gate_reset_required: bool = False
     context_as_of: TradeSetupContextAsOfResponse | None = None
     recommendation_summary: RecommendationSummaryResponse | None = None