ai insight rework #3, add root cause to daily ai insight

backend/apps/operations/services/cp707_knowledge.py

@@ -492,7 +492,7 @@ def analyze_mortality(mortality_rate_pct: Any, day_age: Any) -> dict[str, Any]:
         dilarang = ["rendah", "normal", "baik", "aman", "terkendali", "sedikit"]
         message = (
             f"Mortalitas kumulatif {rate:.2f}% adalah SANGAT TINGGI — melebihi batas kritis "
-            f"CP 707 (>7%). Lakukan nekropsi darurat dan perketat biosekuriti."
+            f"CP 707 (>7%)."
         )
     elif rate >= MORTALITY_THRESHOLDS["warning_pct"]:
         status = "warning"