fix: disable PostHog service worker to prevent registration errors in VSCode webview

- Added configuration options to PostHog initialization to disable service worker features
- Disabled session recording, toolbar metrics, and other features that may attempt service worker registration
- Updated tests to reflect the new PostHog configuration
- Fixes #6950: Error loading webview due to service worker registration failure

Author: roomote

webview-ui/src/__tests__/TelemetryClient.spec.ts

@@ -58,6 +58,12 @@ describe("TelemetryClient", () => {
 					api_host: "https://us.i.posthog.com",
 					persistence: "localStorage",
 					loaded: expect.any(Function),
+					capture_pageview: false,
+					capture_pageleave: false,
+					autocapture: false,
+					disable_session_recording: true,
+					advanced_disable_decide: true,
+					advanced_disable_toolbar_metrics: true,
 				}),
 			)
 

webview-ui/src/utils/TelemetryClient.ts

@@ -19,6 +19,22 @@ class TelemetryClient {
 				capture_pageview: false,
 				capture_pageleave: false,
 				autocapture: false,
+				// Disable service worker to prevent registration errors in VSCode webview
+				disable_session_recording: true,
+				disable_persistence: false,
+				// Explicitly disable any service worker features
+				opt_out_capturing_by_default: false,
+				// Use XHR instead of fetch to avoid service worker issues
+				xhr_headers: {
+					"Content-Type": "application/json",
+				},
+				// Disable features that might try to use service workers
+				bootstrap: {},
+				// Ensure we're not using any advanced features that require service workers
+				advanced_disable_decide: true,
+				advanced_disable_feature_flags: false,
+				advanced_disable_feature_flags_on_first_load: false,
+				advanced_disable_toolbar_metrics: true,
 			})
 		} else {
 			TelemetryClient.telemetryEnabled = false

webview-ui/src/utils/__tests__/TelemetryClient.spec.ts

@@ -63,6 +63,12 @@ describe("TelemetryClient", () => {
 				api_host: "https://us.i.posthog.com",
 				persistence: "localStorage",
 				loaded: expect.any(Function),
+				capture_pageview: false,
+				capture_pageleave: false,
+				autocapture: false,
+				disable_session_recording: true,
+				advanced_disable_decide: true,
+				advanced_disable_toolbar_metrics: true,
 			}),
 		)