第4条CRITICAL红线：GATE_9D_ANALYSIS

质量门禁新增9维交叉验证检查：
- sector_context不空且非neutral
- signal_factors≥1个因子 或 tech_snapshot含技术位
不通过→标记review_needed不写入DB
防止模塑科技式空壳策略（无止盈/无行业上下文/无分析过程）

strategy_lifecycle.py

@@ -89,6 +89,23 @@ STRATEGY_QUALITY_GATES = [
         "severity": "HIGH",
         "fix": "设置 d['currency']='HKD'"
     },
+    # --- 第4条 CRITICAL 红线：9维交叉验证 (2026-07-02 Dad要求) ---
+    # 策略不能只有价格数字，必须有证据经过了多维分析:
+    # 横切面: 大盘+行业+个股 | 纵切面: 基本面+消息面+技术面+资金流
+    # 代码层面可验证: sector_context(行业) + signal_factors(多因子) 或 tech_snapshot
+    {
+        "id": "GATE_9D_ANALYSIS",
+        "desc": "策略必须经过多维分析(sector_context + signal_factors)",
+        "check": lambda d: (
+            bool(d.get("sector_context") and str(d.get("sector_context","")).strip() not in ("neutral","","N/A","-"))
+            and (
+                bool(d.get("signal_factors") and isinstance(d.get("signal_factors"), (list,tuple)) and len(d["signal_factors"]) >= 1)
+                or bool(d.get("tech_snapshot") and any(c in str(d.get("tech_snapshot","")) for c in "支撑阻力压强"))
+            )
+        ),
+        "severity": "CRITICAL",
+        "fix": "重新运行 reassess_with_context() 完整重评确保 sector_context/signal_factors/tech_snapshot 均已填充"
+    },
 ]