diff --git a/crates/ml/tests/sp15_phase1_oracle_tests.rs b/crates/ml/tests/sp15_phase1_oracle_tests.rs
new file mode 100644
index 000000000..bf30c4e13
--- /dev/null
+++ b/crates/ml/tests/sp15_phase1_oracle_tests.rs
@@ -0,0 +1,8 @@
+// crates/ml/tests/sp15_phase1_oracle_tests.rs
+//! SP15 Phase 1 oracle tests — honest numbers (sharpe, cost-net, DD,
+//! baselines, dd_pct trunk grounding, test slice consumption).
+
+#[cfg(test)]
+mod gpu {
+    // Per-task tests append here; see plan §Phase 1 task 1.X.
+}