fix(review-4.4): tolerate additive terminal turn events

2 files changed, 6 insertions, 2 deletions

diff --git a/src/core/wire/conformance.test.ts b/src/core/wire/conformance.test.ts
index e74a663..1c5829b 100644
--- a/src/core/wire/conformance.test.ts
+++ b/src/core/wire/conformance.test.ts
@@ -75,6 +75,7 @@ describe("classifies every AgentEvent type", () => {
     { type: "error", conversationId: "c1", turnId: "t1", message: "oops" },
     { type: "done", conversationId: "c1", turnId: "t1", reason: "complete" },
     { type: "turn-sealed", conversationId: "c1", turnId: "t1" },
+    { type: "turn-ended", conversationId: "c1", turnId: "t1", reason: "sealed" },
     { type: "steering", conversationId: "c1", turnId: "t1", text: "steer mid-turn" },
     {
       type: "provider-retry",
@@ -103,13 +104,14 @@ describe("classifies every AgentEvent type", () => {
       "error",
       "done",
       "turn-sealed",
+      "turn-ended",
       "steering",
       "provider-retry",
     ]);
   });
 
-  it("covers all 15 AgentEvent variants", () => {
-    expect(samples).toHaveLength(15);
+  it("covers all 16 AgentEvent variants", () => {
+    expect(samples).toHaveLength(16);
   });
 });
 
diff --git a/src/core/wire/conformance.ts b/src/core/wire/conformance.ts
index 855f7ea..9847081 100644
--- a/src/core/wire/conformance.ts
+++ b/src/core/wire/conformance.ts
@@ -32,6 +32,8 @@ export function assertAgentEventExhaustive(event: AgentEvent): string {
       return "done";
     case "turn-sealed":
       return "turn-sealed";
+    case "turn-ended":
+      return "turn-ended";
     case "step-complete":
       return "step-complete";
     case "steering":