feat(clerk-js): Enable debug logging for keyless apps (#6886)

Author: heatlikeheatwave

.changeset/orange-peas-call.md

@@ -0,0 +1,5 @@
+---
+"@clerk/clerk-js": patch
+---
+
+feat(clerk-js): Enable debugLogger for Next.js keyless applications.

packages/clerk-js/src/core/clerk.ts

@@ -476,10 +476,21 @@ export class Clerk implements ClerkInterface {
       } else {
         await this.#loadInNonStandardBrowser();
       }
-      if (this.environment?.clientDebugMode) {
+      const telemetry = this.#options.telemetry;
+      const telemetryEnabled = telemetry !== false && !telemetry?.disabled;
+
+      const isKeyless = Boolean(this.#options.__internal_keyless_claimKeylessApplicationUrl);
+      const hasClientDebugMode = Boolean(this.environment?.clientDebugMode);
+      const isProd = this.environment?.isProduction?.() ?? false;
+
+      const shouldEnable = hasClientDebugMode || (isKeyless && !isProd);
+      const logLevel = isKeyless && !hasClientDebugMode ? 'error' : undefined;
+
+      if (shouldEnable) {
         initDebugLogger({
           enabled: true,
-          telemetryCollector: this.telemetry,
+          ...(logLevel ? { logLevel } : {}),
+          ...(telemetryEnabled && this.telemetry ? { telemetryCollector: this.telemetry } : {}),
         });
       }
       debugLogger.info('load() complete', {}, 'clerk');