code-to10 v6 A10: release gate single evaluator via wiring adapter

(cherry picked from commit 77ed1c3094798f75bc41323f9aa60f744f5ba507)

cloud/tests/test_release_gate.py

@@ -1,10 +1,12 @@
-"""Future release endpoint: contract tests for cloud/release_gate.
+"""Release gate: contract tests for cloud/release_gate (adapter).
 
-These tests pin the CONTRACT, not an endpoint: there is no live
-release endpoint in this codebase (building one here would be
-the "new live endpoint touching production" this track forbids),
-so every test calls ``evaluate_release`` directly with a local
-SQLite chain. Nothing here deploys, publishes, or touches a
+These tests pin the CONTRACT, not the endpoint: the live
+endpoint (``POST /tasks/{id}/release``) calls the wiring
+evaluator directly, and every test here calls the
+``release_gate`` adapter ``evaluate_release`` directly with a
+local SQLite chain to prove the adapter translates the single
+wiring implementation into the legacy shape without a second
+evaluator. Nothing here deploys, publishes, or touches a
 production flow; the chain lives in a TemporaryDirectory and is
 deleted with the test.