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commands/c3-use.md

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+---
+description: Get started with C3 architecture docs - guides reading if .c3/ exists, offers adoption if not
+---
+
+Entry point for working with C3 architecture documentation.
+
+Use the `c3-use` skill to:
+- Get oriented with existing `.c3/` documentation
+- Understand the C3 structure (Context → Container → Component)
+- Navigate to specific documents
+- Initialize C3 if not yet set up