Architecture redesign (#3325)

* first grill round

* second grill round

Author: tom2drum

.cursor/skills/grill-me/SKILL.md

@@ -0,0 +1,8 @@
+---
+name: grill-me
+description: Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of the decision tree. Use when user wants to stress-test a plan, get grilled on their design, or mentions "grill me".
+---
+
+Interview me relentlessly about every aspect of this plan until we reach a shared understanding. Walk down each branch of the design tree, resolving dependencies between decisions one-by-one. For each question, provide your recommended answer.
+
+If a question can be answered by exploring the codebase, explore the codebase instead.