fix(render): add end-to-end observability (#1248)

packages/core/src/telemetryRedaction.ts

@@ -0,0 +1,26 @@
+const MAX_TELEMETRY_STRING_LENGTH = 240;
+
+function truncateTelemetryString(value: string, maxLength: number): string {
+  if (value.length <= maxLength) return value;
+  return `${value.slice(0, maxLength - 1)}…`;
+}
+
+function redactUrlQueryStrings(value: string): string {
+  return value.replace(/\b(https?:\/\/[^\s?]+)\?[^\s]*/g, "$1?…");
+}
+
+function redactFilePaths(value: string): string {
+  return value
+    .replace(/file:\/\/[^\s'")]+/g, "[file-url]")
+    .replace(/\/Users\/[^\s'")]+/g, "[path]")
+    .replace(/\/(?:home|root|opt|app|workspace|srv|mnt)\/[^\s'")]+/g, "[path]")
+    .replace(/\/(?:private\/)?(?:var|tmp)\/[^\s'")]+/g, "[path]")
+    .replace(/[A-Za-z]:\\[^\s'")]+/g, "[path]");
+}
+
+export function redactTelemetryString(
+  value: string,
+  maxLength = MAX_TELEMETRY_STRING_LENGTH,
+): string {
+  return truncateTelemetryString(redactFilePaths(redactUrlQueryStrings(value)), maxLength);
+}