add knowledge file update event

Author: charleslien

backend/src/main-prompt.ts

@@ -745,6 +745,16 @@ export const mainPrompt = async (
         // Add the plan file to the processing queue
         if (!fileProcessingPromisesByPath[path]) {
           fileProcessingPromisesByPath[path] = []
+          if (path.endsWith('knowledge.md')) {
+            trackEvent(AnalyticsEvent.KNOWLEDGE_FILE_UPDATED, userId ?? '', {
+              agentStepId,
+              clientSessionId,
+              fingerprintId,
+              userInputId: promptId,
+              userId,
+              repoName: repoId,
+            })
+          }
         }
         const change = {
           tool: 'create_plan' as const,

common/src/constants/analytics-events.ts

@@ -10,6 +10,7 @@ export enum AnalyticsEvent {
   BACKGROUND_PROCESS_START = 'cli.background_process_start',
   CHANGE_DIRECTORY = 'cli.change_directory',
   CHECKPOINT_COMMAND_USED = 'cli.checkpoint_command_used',
+  KNOWLEDGE_FILE_UPDATED = 'cli.knowledge_file_updated',
   LOGIN = 'cli.login',
   TERMINAL_COMMAND_COMPLETED = 'cli.terminal_command_completed',
   MALFORMED_PROMPT_RESPONSE = 'cli.malformed_prompt_response',