diff --git a/cmd/api/handlers/environments_crud.go b/cmd/api/handlers/environments_crud.go
index c0b5e260..d48d0aa7 100644
--- a/cmd/api/handlers/environments_crud.go
+++ b/cmd/api/handlers/environments_crud.go
@@ -483,6 +483,26 @@ func (h *HandlersApi) EnvironmentConfigPatchHandler(w http.ResponseWriter, r *ht
 			return
 		}
 	}
+	// Recompose the assembled `configuration` blob from the (possibly just-
+	// updated) parts. The Update* calls above only write their own column;
+	// without this recompose the env's `configuration` field — which is what
+	// GET .../configuration/assembled returns and what agents receive on
+	// their next /config refresh — stays at the pre-patch value, so edits made
+	// here never show up on the enroll page's Configuration tab. Flags is not
+	// part of the composed osquery config, so a flags-only patch skips it.
+	composedChanged := false
+	for _, k := range []string{"options", "schedule", "packs", "decorators", "atc"} {
+		if _, ok := normalized[k]; ok {
+			composedChanged = true
+			break
+		}
+	}
+	if composedChanged {
+		if err := h.Envs.RefreshConfiguration(envVar); err != nil {
+			apiErrorResponse(w, "error refreshing configuration", http.StatusInternalServerError, err)
+			return
+		}
+	}
 	h.AuditLog.ConfAction(ctx[ctxUser], "config patch on env "+env.Name, strings.Split(r.RemoteAddr, ":")[0], env.ID)
 	updated, _ := h.Envs.Get(envVar)
 	resp := types.EnvConfigResponse{
diff --git a/pkg/environments/config_refresh_test.go b/pkg/environments/config_refresh_test.go
new file mode 100644
index 00000000..4f96002f
--- /dev/null
+++ b/pkg/environments/config_refresh_test.go
@@ -0,0 +1,46 @@
+package environments
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// TestRefreshConfigurationRecomposesAfterPartUpdate locks the contract the
+// environment-config PATCH handler relies on: UpdateSchedule (and the other
+// Update* part writers) only persist their own column — they do NOT recompose
+// the assembled `configuration` blob that GET .../configuration/assembled
+// returns and that agents receive on /config refresh. RefreshConfiguration
+// is what folds the parts back together. Without the handler calling it, a
+// schedule edit saved from the SPA's Configuration → Schedule tab never shows
+// up on the enroll page's Configuration tab.
+func TestRefreshConfigurationRecomposesAfterPartUpdate(t *testing.T) {
+	db := setupTestDB(t)
+	envs := CreateEnvironment(db)
+
+	env := envs.Empty("dev", "dev.example.com")
+	require.NoError(t, envs.Create(&env))
+
+	schedule := `{"uptime":{"query":"SELECT * FROM uptime;","interval":60}}`
+	require.NoError(t, envs.UpdateSchedule(env.Name, schedule))
+
+	// The bug: the part is saved, but the composed blob is still the empty
+	// placeholder until RefreshConfiguration runs.
+	before, err := envs.Get(env.Name)
+	require.NoError(t, err)
+	assert.Equal(t, "{}", before.Configuration, "UpdateSchedule must not recompose configuration on its own")
+
+	// The fix: RefreshConfiguration folds the updated schedule (and the other
+	// parts) into the composed blob.
+	require.NoError(t, envs.RefreshConfiguration(env.Name))
+
+	after, err := envs.Get(env.Name)
+	require.NoError(t, err)
+	assert.NotEqual(t, "{}", after.Configuration, "RefreshConfiguration should recompose the blob")
+	assert.True(t, strings.Contains(after.Configuration, "uptime"),
+		"assembled configuration should contain the scheduled query, got %s", after.Configuration)
+	assert.True(t, strings.Contains(after.Configuration, "SELECT * FROM uptime;"),
+		"assembled configuration should contain the query SQL, got %s", after.Configuration)
+}