added base examples and drills

2026-05-20 17:42:01 -06:00
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+# Drill: break-dependency
+
+## Goal
+Introduce one seam that reduces coupling to a hard dependency.
+
+## Prompt
+Find one hard dependency in `code/` such as time, randomness, persistence, network, UI, or global state. Introduce the smallest seam you can so that behavior can be controlled more easily in tests.
+
+## Success conditions
+- One dependency is isolated behind a seam
+- The change is small and reviewable
+- You can explain the enabling point and why it is safer to change now