feat(agent): add persistent klogging settings

- Add settings API and UI to toggle keylog
- Persist preference in settings.json
- Expose klogging state in status endpoint
- Inject build version into web console
- Bump version automatically on build

lib/openapi/spec_test.go

@@ -28,4 +28,18 @@ func TestSpec(t *testing.T) {
 	if !ok || len(schemas) < 10 {
 		t.Fatalf("expected schemas, got %d", len(schemas))
 	}
+	status, ok := schemas["Status"].(map[string]any)
+	if !ok {
+		t.Fatal("missing Status schema")
+	}
+	props, ok := status["properties"].(map[string]any)
+	if !ok {
+		t.Fatal("missing Status properties")
+	}
+	if _, ok := props["klogging"]; !ok {
+		t.Fatal("Status missing klogging")
+	}
+	if _, ok := props["keylog_enabled"]; ok {
+		t.Fatal("Status still has keylog_enabled")
+	}
 }