chore(core): reassign telemetry keys to avoid server conflict (#18161)

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/core/src/telemetry/clearcut-logger/clearcut-logger.test.ts

@@ -941,6 +941,38 @@ describe('ClearcutLogger', () => {
         'Something went wrong',
       ]);
     });
+
+    it('logs a successful routing event with numerical routing fields', () => {
+      const { logger } = setup();
+      const event = new ModelRoutingEvent(
+        'gemini-pro',
+        'NumericalClassifier (Strict)',
+        123,
+        '[Score: 90 / Threshold: 80] reasoning',
+        false,
+        undefined,
+        true,
+        '80',
+      );
+
+      logger?.logModelRoutingEvent(event);
+
+      const events = getEvents(logger!);
+      expect(events.length).toBe(1);
+      expect(events[0]).toHaveEventName(EventNames.MODEL_ROUTING);
+      expect(events[0]).toHaveMetadataValue([
+        EventMetadataKey.GEMINI_CLI_ROUTING_REASONING,
+        '[Score: 90 / Threshold: 80] reasoning',
+      ]);
+      expect(events[0]).toHaveMetadataValue([
+        EventMetadataKey.GEMINI_CLI_ROUTING_NUMERICAL_ENABLED,
+        'true',
+      ]);
+      expect(events[0]).toHaveMetadataValue([
+        EventMetadataKey.GEMINI_CLI_ROUTING_CLASSIFIER_THRESHOLD,
+        '80',
+      ]);
+    });
   });
 
   describe('logAgentStartEvent', () => {

packages/core/src/telemetry/clearcut-logger/clearcut-logger.ts

@@ -1234,6 +1234,28 @@ export class ClearcutLogger {
       });
     }
 
+    if (event.reasoning && this.config?.getTelemetryLogPromptsEnabled()) {
+      data.push({
+        gemini_cli_key: EventMetadataKey.GEMINI_CLI_ROUTING_REASONING,
+        value: event.reasoning,
+      });
+    }
+
+    if (event.enable_numerical_routing !== undefined) {
+      data.push({
+        gemini_cli_key: EventMetadataKey.GEMINI_CLI_ROUTING_NUMERICAL_ENABLED,
+        value: event.enable_numerical_routing.toString(),
+      });
+    }
+
+    if (event.classifier_threshold) {
+      data.push({
+        gemini_cli_key:
+          EventMetadataKey.GEMINI_CLI_ROUTING_CLASSIFIER_THRESHOLD,
+        value: event.classifier_threshold,
+      });
+    }
+
     this.enqueueLogEvent(this.createLogEvent(EventNames.MODEL_ROUTING, data));
     this.flushIfNeeded();
   }

packages/core/src/telemetry/clearcut-logger/event-metadata-key.ts

@@ -7,7 +7,7 @@
 // Defines valid event metadata keys for Clearcut logging.
 export enum EventMetadataKey {
   // Deleted enums: 24
-  // Next ID: 144
+  // Next ID: 148
 
   GEMINI_CLI_KEY_UNKNOWN = 0,
 
@@ -542,4 +542,17 @@ export enum EventMetadataKey {
 
   // Logs the duration spent in an approval mode in milliseconds.
   GEMINI_CLI_APPROVAL_MODE_DURATION_MS = 143,
+
+  // ==========================================================================
+  // Model Routing Event Keys (Cont.)
+  // ==========================================================================
+
+  // Logs the reasoning for the routing decision.
+  GEMINI_CLI_ROUTING_REASONING = 145,
+
+  // Logs whether numerical routing was enabled.
+  GEMINI_CLI_ROUTING_NUMERICAL_ENABLED = 146,
+
+  // Logs the classifier threshold used.
+  GEMINI_CLI_ROUTING_CLASSIFIER_THRESHOLD = 147,
 }