Update step-06-synthesize.md

Author: amalik

_bmad/bme/_vortex/workflows/product-vision/steps/step-06-synthesize.md

@@ -164,4 +164,7 @@ Based on what you just completed, here are your evidence-driven options:
 | Strategic assumptions need testing | lean-experiment | Wade 🧪 | Validate your biggest strategic bet |
 | User needs are assumed, not researched | user-discovery | Isla 🔍 | Ground your vision in real user evidence |
 
+> **Note:** These are evidence-based recommendations. You can navigate to any Vortex agent
+> at any time based on your judgment.
+
 **Or run Max's [VN] Vortex Navigation** for a full gap analysis across all streams.