integrate generalized quality-rails into mosaic bootstrap

templates/repo/.mosaic/README.md

@@ -13,3 +13,19 @@ This repository is attached to the machine-wide Mosaic framework.
 - Keep universal standards in `~/.mosaic`
 - Keep repo-specific behavior in this repo
 - Avoid copying large runtime configs into each project
+
+## Optional Quality Rails
+
+Use `.mosaic/quality-rails.yml` to track whether quality rails are enabled for this repo.
+
+Apply a template:
+
+```bash
+~/.mosaic/bin/mosaic-quality-apply --template <template> --target .
+```
+
+Verify enforcement:
+
+```bash
+~/.mosaic/bin/mosaic-quality-verify --target .
+```