Add telemetry for checkpoint save/restore/diff

Author: mrubens

src/core/Cline.ts

@@ -3798,6 +3798,8 @@ export class Cline {
 			return
 		}
 
+		telemetryService.captureCheckpointDiffed(this.taskId)
+
 		if (!previousCommitHash && mode === "checkpoint") {
 			const previousCheckpoint = this.clineMessages
 				.filter(({ say }) => say === "checkpoint_saved")
@@ -3849,6 +3851,8 @@ export class Cline {
 			return
 		}
 
+		telemetryService.captureCheckpointCreated(this.taskId)
+
 		// Start the checkpoint process in the background.
 		service.saveCheckpoint(`Task: ${this.taskId}, Time: ${Date.now()}`).catch((err) => {
 			console.error("[Cline#checkpointSave] caught unexpected error, disabling checkpoints", err)
@@ -3880,6 +3884,8 @@ export class Cline {
 		try {
 			await service.restoreCheckpoint(commitHash)
 
+			telemetryService.captureCheckpointRestored(this.taskId)
+
 			await this.providerRef.deref()?.postMessageToWebview({ type: "currentCheckpointUpdated", text: commitHash })
 
 			if (mode === "restore") {

src/services/telemetry/TelemetryService.ts

@@ -22,6 +22,9 @@ class PostHogClient {
 			CONVERSATION_MESSAGE: "Conversation Message",
 			MODE_SWITCH: "Mode Switched",
 			TOOL_USED: "Tool Used",
+			CHECKPOINT_CREATED: "Checkpoint Created",
+			CHECKPOINT_RESTORED: "Checkpoint Restored",
+			CHECKPOINT_DIFFED: "Checkpoint Diffed",
 		},
 	}
 
@@ -246,6 +249,18 @@ class TelemetryService {
 		})
 	}
 
+	public captureCheckpointCreated(taskId: string): void {
+		this.captureEvent(PostHogClient.EVENTS.TASK.CHECKPOINT_CREATED, { taskId })
+	}
+
+	public captureCheckpointDiffed(taskId: string): void {
+		this.captureEvent(PostHogClient.EVENTS.TASK.CHECKPOINT_DIFFED, { taskId })
+	}
+
+	public captureCheckpointRestored(taskId: string): void {
+		this.captureEvent(PostHogClient.EVENTS.TASK.CHECKPOINT_RESTORED, { taskId })
+	}
+
 	/**
 	 * Checks if telemetry is currently enabled
 	 * @returns Whether telemetry is enabled