Reorg: Move sandbox template to docs/sandbox/

docs/sandbox/TEMPLATE.md

@@ -0,0 +1,63 @@
+# Sandbox Session - [TOPIC]
+
+**Date:** [DATE]  
+**AI Used:** Gemini  
+**Duration:** [TIME]  
+**Status:** [Exploration / Ready for Review / Implemented]
+
+---
+
+## Topic
+
+[What we discussed - 1-2 sentences]
+
+---
+
+## Key Ideas
+
+[Bullet points of main concepts explored]
+
+- Idea 1
+- Idea 2
+- Idea 3
+
+---
+
+## Recommended Approach
+
+[The consensus/best path forward from brainstorming]
+
+---
+
+## Open Questions
+
+[Things that still need exploration or decision]
+
+- Question 1
+- Question 2
+
+---
+
+## Technical Considerations
+
+[Any infrastructure, code, or implementation notes]
+
+---
+
+## Ready for Production?
+
+**Status:** [YES / NO / NEEDS REFINEMENT]
+
+**Reasoning:** [Why or why not]
+
+**Next Steps:** [What needs to happen before implementation]
+
+---
+
+## Gemini Conversation Export
+
+[Optional: Paste key excerpts from Gemini chat if helpful]
+
+---
+
+**Fire + Frost = Where Passion Meets Precision** 🔥❄️