Stabilize legacy license exchange test

docs/release-control/v6/internal/status.json

@@ -8872,16 +8872,16 @@
   ],
   "work_claims": [
     {
-      "id": "codex-lane-l1",
-      "agent_id": "codex",
-      "summary": "Prepare and publish the governed v6.1.0-rc.2 release packet",
+      "id": "release-manager-lane-l3",
+      "agent_id": "release-manager",
+      "summary": "Stabilize the v6.1.0-rc.2 legacy license exchange release gate",
       "target_id": "v6-product-lane-expansion",
-      "claimed_at": "2026-07-16T22:37:38Z",
-      "heartbeat_at": "2026-07-16T22:37:38Z",
-      "expires_at": "2026-07-17T02:37:38Z",
+      "claimed_at": "2026-07-16T23:27:45Z",
+      "heartbeat_at": "2026-07-16T23:27:45Z",
+      "expires_at": "2026-07-17T03:27:45Z",
       "work_item": {
         "kind": "lane",
-        "id": "L1"
+        "id": "L3"
       }
     }
   ],

internal/api/licensing_handlers_auto_migrate_test.go

@@ -64,17 +64,28 @@ func TestGetTenantComponents_AutoExchangesPersistedLegacyJWT(t *testing.T) {
 
 	var exchangeCalled atomic.Int32
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if handleTestInstallationStatus(w, r, 1) {
+			return
+		}
 		if r.URL.Path != "/v1/licenses/exchange" {
-			t.Fatalf("path = %q, want /v1/licenses/exchange", r.URL.Path)
+			http.NotFound(w, r)
+			return
+		}
+		if r.Method != http.MethodPost {
+			t.Errorf("exchange method = %q, want POST", r.Method)
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
 		}
 		exchangeCalled.Add(1)
 
 		var req pkglicensing.ExchangeLegacyLicenseRequest
 		if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
-			t.Fatalf("decode exchange request: %v", err)
+			t.Errorf("decode exchange request: %v", err)
+			w.WriteHeader(http.StatusBadRequest)
+			return
 		}
 		if req.LegacyLicenseKey == "" {
-			t.Fatal("expected legacy license key in exchange request")
+			t.Error("expected legacy license key in exchange request")
 		}
 
 		w.WriteHeader(http.StatusCreated)