Add reasoning effort to usage events

sdk/cliproxy/auth/conductor_usage_test.go

@@ -0,0 +1,25 @@
+package auth
+
+import (
+	"context"
+	"testing"
+
+	cliproxyexecutor "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/executor"
+	coreusage "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/usage"
+)
+
+func TestContextWithRequestedModelAliasIncludesReasoningEffort(t *testing.T) {
+	ctx := contextWithRequestedModelAlias(context.Background(), cliproxyexecutor.Options{
+		Metadata: map[string]any{
+			cliproxyexecutor.RequestedModelMetadataKey:  "client-model",
+			cliproxyexecutor.ReasoningEffortMetadataKey: "medium",
+		},
+	}, "fallback-model")
+
+	if got := coreusage.RequestedModelAliasFromContext(ctx); got != "client-model" {
+		t.Fatalf("requested model alias = %q, want %q", got, "client-model")
+	}
+	if got := coreusage.ReasoningEffortFromContext(ctx); got != "medium" {
+		t.Fatalf("reasoning effort = %q, want %q", got, "medium")
+	}
+}