diff --git a/PROTO_TEST.md b/PROTO_TEST.md
new file mode 100644
index 00000000..fdb9cead
--- /dev/null
+++ b/PROTO_TEST.md
@@ -0,0 +1,10 @@
+# PR Template Fallback Test
+
+Testing PR template behavior for uncommon but valid branch prefix (proto/).
+
+This PR verifies routing behavior for branch prefixes that are:
+- Valid per branch validation rules
+- Not in the 'standard' set (feat, fix, docs, test)
+- Expected to fall back to default template
+
+Expected: Falls back to pr_default.md with type:maintenance label
diff --git a/TEST_UNMATCHED_PREFIX.md b/TEST_UNMATCHED_PREFIX.md
new file mode 100644
index 00000000..c5f4f085
--- /dev/null
+++ b/TEST_UNMATCHED_PREFIX.md
@@ -0,0 +1,9 @@
+# Unmatched Prefix Test
+
+Testing PR template fallback for unmatched branch prefix.
+
+This PR verifies that branch names not matching recognized patterns (feat/, fix/, docs/, test/, etc.) correctly fall back to the default PR template and receive the type:maintenance label.
+
+Expected behavior:
+- Template: pr_default.md
+- Label: type:maintenance