fix: filter out 429 rate limit errors from API error telemetry

packages/telemetry/src/PostHogTelemetryClient.ts

@@ -1,7 +1,15 @@
 import { PostHog } from "posthog-node"
 import * as vscode from "vscode"
 
-import { TelemetryEventName, type TelemetryEvent } from "@roo-code/types"
+import {
+	TelemetryEventName,
+	type TelemetryEvent,
+	getErrorStatusCode,
+	getOpenAISdkErrorMessage,
+	shouldReportApiErrorToTelemetry,
+	isApiProviderError,
+	extractApiProviderErrorProperties,
+} from "@roo-code/types"
 
 import { BaseTelemetryClient } from "./BaseTelemetryClient"
 
@@ -70,11 +78,34 @@ export class PostHogTelemetryClient extends BaseTelemetryClient {
 			return
 		}
 
+		// Extract error status code and message for filtering
+		const errorCode = getErrorStatusCode(error)
+		const errorMessage = getOpenAISdkErrorMessage(error) ?? error.message
+
+		// Filter out expected errors (e.g., 429 rate limits)
+		if (!shouldReportApiErrorToTelemetry(errorCode, errorMessage)) {
+			if (this.debug) {
+				console.info(
+					`[PostHogTelemetryClient#captureException] Filtering out expected error: ${errorCode} - ${errorMessage}`,
+				)
+			}
+			return
+		}
+
 		if (this.debug) {
 			console.info(`[PostHogTelemetryClient#captureException] ${error.message}`)
 		}
 
-		this.client.captureException(error, this.distinctId, additionalProperties)
+		// Auto-extract properties from ApiProviderError and merge with additionalProperties.
+		// Explicit additionalProperties take precedence over auto-extracted properties.
+		let mergedProperties = additionalProperties
+
+		if (isApiProviderError(error)) {
+			const extractedProperties = extractApiProviderErrorProperties(error)
+			mergedProperties = { ...extractedProperties, ...additionalProperties }
+		}
+
+		this.client.captureException(error, this.distinctId, mergedProperties)
 	}
 
 	/**

packages/telemetry/src/__tests__/PostHogTelemetryClient.test.ts

@@ -5,7 +5,7 @@
 import * as vscode from "vscode"
 import { PostHog } from "posthog-node"
 
-import { type TelemetryPropertiesProvider, TelemetryEventName } from "@roo-code/types"
+import { type TelemetryPropertiesProvider, TelemetryEventName, ApiProviderError } from "@roo-code/types"
 
 import { PostHogTelemetryClient } from "../PostHogTelemetryClient"
 
@@ -32,6 +32,7 @@ describe("PostHogTelemetryClient", () => {
 
 		mockPostHogClient = {
 			capture: vi.fn(),
+			captureException: vi.fn(),
 			optIn: vi.fn(),
 			optOut: vi.fn(),
 			shutdown: vi.fn().mockResolvedValue(undefined),
@@ -373,4 +374,172 @@ describe("PostHogTelemetryClient", () => {
 			expect(mockPostHogClient.shutdown).toHaveBeenCalled()
 		})
 	})
+
+	describe("captureException", () => {
+		it("should not capture exceptions when telemetry is disabled", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(false)
+
+			const error = new Error("Test error")
+			client.captureException(error)
+
+			expect(mockPostHogClient.captureException).not.toHaveBeenCalled()
+		})
+
+		it("should capture exceptions when telemetry is enabled", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new Error("Test error")
+			client.captureException(error, { provider: "TestProvider" })
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				provider: "TestProvider",
+			})
+		})
+
+		it("should filter out 429 rate limit errors (via status property)", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			// Create an error with status property (like OpenAI SDK errors)
+			const error = Object.assign(new Error("Rate limit exceeded"), { status: 429 })
+			client.captureException(error)
+
+			// Should NOT capture 429 errors
+			expect(mockPostHogClient.captureException).not.toHaveBeenCalled()
+		})
+
+		it("should filter out errors with '429' in message", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new Error("429 Rate limit exceeded: free-models-per-day")
+			client.captureException(error)
+
+			// Should NOT capture errors with 429 in message
+			expect(mockPostHogClient.captureException).not.toHaveBeenCalled()
+		})
+
+		it("should filter out errors containing 'rate limit' (case insensitive)", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new Error("Request failed due to Rate Limit")
+			client.captureException(error)
+
+			// Should NOT capture rate limit errors
+			expect(mockPostHogClient.captureException).not.toHaveBeenCalled()
+		})
+
+		it("should capture non-rate-limit errors", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new Error("Internal server error")
+			client.captureException(error)
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", undefined)
+		})
+
+		it("should capture errors with non-429 status codes", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = Object.assign(new Error("Internal server error"), { status: 500 })
+			client.captureException(error)
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", undefined)
+		})
+
+		it("should use nested error message from OpenAI SDK error structure", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			// Create an error with nested metadata (like OpenRouter upstream errors)
+			const error = Object.assign(new Error("Request failed"), {
+				status: 429,
+				error: {
+					message: "Error details",
+					metadata: { raw: "Rate limit exceeded: free-models-per-day" },
+				},
+			})
+			client.captureException(error)
+
+			// Should NOT capture - the nested metadata.raw contains rate limit message
+			expect(mockPostHogClient.captureException).not.toHaveBeenCalled()
+		})
+
+		it("should auto-extract properties from ApiProviderError", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new ApiProviderError("Test error", "OpenRouter", "gpt-4", "createMessage", 500)
+			client.captureException(error)
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				provider: "OpenRouter",
+				modelId: "gpt-4",
+				operation: "createMessage",
+				errorCode: 500,
+			})
+		})
+
+		it("should auto-extract properties from ApiProviderError without errorCode", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new ApiProviderError("Test error", "OpenRouter", "gpt-4", "completePrompt")
+			client.captureException(error)
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				provider: "OpenRouter",
+				modelId: "gpt-4",
+				operation: "completePrompt",
+			})
+		})
+
+		it("should merge auto-extracted properties with additionalProperties", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new ApiProviderError("Test error", "OpenRouter", "gpt-4", "createMessage")
+			client.captureException(error, { customProperty: "value" })
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				provider: "OpenRouter",
+				modelId: "gpt-4",
+				operation: "createMessage",
+				customProperty: "value",
+			})
+		})
+
+		it("should allow additionalProperties to override auto-extracted properties", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new ApiProviderError("Test error", "OpenRouter", "gpt-4", "createMessage")
+			// Explicitly override the provider value
+			client.captureException(error, { provider: "OverriddenProvider" })
+
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				provider: "OverriddenProvider", // additionalProperties takes precedence
+				modelId: "gpt-4",
+				operation: "createMessage",
+			})
+		})
+
+		it("should not auto-extract for non-ApiProviderError errors", () => {
+			const client = new PostHogTelemetryClient()
+			client.updateTelemetryState(true)
+
+			const error = new Error("Regular error")
+			client.captureException(error, { customProperty: "value" })
+
+			// Should only have the additionalProperties, not any auto-extracted ones
+			expect(mockPostHogClient.captureException).toHaveBeenCalledWith(error, "test-machine-id", {
+				customProperty: "value",
+			})
+		})
+	})
 })