fix(logging): Log NodeJS Version && Make Config.SessionID readonly (#7219)

packages/core/src/config/config.ts

@@ -212,7 +212,7 @@ export interface ConfigParameters {
 export class Config {
   private toolRegistry!: ToolRegistry;
   private promptRegistry!: PromptRegistry;
-  private sessionId: string;
+  private readonly sessionId: string;
   private fileSystemService: FileSystemService;
   private contentGeneratorConfig!: ContentGeneratorConfig;
   private readonly embeddingModel: string;
@@ -427,10 +427,6 @@ export class Config {
     return this.sessionId;
   }
 
-  setSessionId(sessionId: string): void {
-    this.sessionId = sessionId;
-  }
-
   shouldLoadMemoryFromIncludeDirectories(): boolean {
     return this.loadMemoryFromIncludeDirectories;
   }

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

@@ -262,6 +262,17 @@ describe('ClearcutLogger', () => {
       );
     });
 
+    it('logs the current nodejs version', () => {
+      const { logger } = setup({});
+
+      const event = logger?.createLogEvent(EventNames.API_ERROR, []);
+
+      expect(event?.event_metadata[0]).toContainEqual({
+        gemini_cli_key: EventMetadataKey.GEMINI_CLI_NODE_VERSION,
+        value: process.versions.node,
+      });
+    });
+
     it('logs the current surface', () => {
       const { logger } = setup({});
 

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

@@ -889,6 +889,10 @@ export class ClearcutLogger {
         gemini_cli_key: EventMetadataKey.GEMINI_CLI_OS,
         value: process.platform,
       },
+      {
+        gemini_cli_key: EventMetadataKey.GEMINI_CLI_NODE_VERSION,
+        value: process.versions.node,
+      },
     ];
     return [...data, ...defaultLogMetadata];
   }

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

@@ -325,4 +325,7 @@ export enum EventMetadataKey {
 
   // Logs the total duration in milliseconds for a content retry failure.
   GEMINI_CLI_CONTENT_RETRY_FAILURE_TOTAL_DURATION_MS = 81,
+
+  // Logs the current nodejs version
+  GEMINI_CLI_NODE_VERSION = 83,
 }