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+# Sources
+
+Reference material extracted from specific projects. Study for ideas, don't copy blindly.
+
+These are **descriptive** — they document what a project does and why.
+The `patterns/` directory is **prescriptive** — it tells you what to do.
+
+Patterns that prove broadly applicable get promoted from here into `patterns/`.
+The rest stays as reference for understanding how mature projects solve specific problems.