Posthog: add test env config

- Remove redundant "none" case and error logging in TelemetryProviderFactory
- Add test environment configuration for PostHog with disabled API keys
- Enhance environment detection logic to support test and local environments
- Simplify default case handling to always return NoOpTelemetryProvider

src/services/telemetry/TelemetryProviderFactory.ts

@@ -33,10 +33,7 @@ export class TelemetryProviderFactory {
 					return new PostHogTelemetryProvider(sharedClient)
 				}
 				return new NoOpTelemetryProvider()
-			case "none":
-				return new NoOpTelemetryProvider()
 			default:
-				console.error(`Unsupported telemetry provider type: ${config.type}`)
 				return new NoOpTelemetryProvider()
 		}
 	}

src/shared/services/config/posthog-config.ts

@@ -26,5 +26,14 @@ const posthogDevEnvConfig = {
 	uiHost: "https://us.i.posthog.com",
 } satisfies PostHogClientConfig
 
-// NOTE: Ensure that dev environment is used when process.env.IS_DEV is "true"
-export const posthogConfig = process.env.IS_DEV === "true" ? posthogDevEnvConfig : posthogProdConfig
+const posthogTestEnvConfig = {
+	...posthogDevEnvConfig,
+	apiKey: undefined,
+	errorTrackingApiKey: undefined,
+} satisfies PostHogClientConfig
+
+const isTestEnv = process.env.IS_TEST === "true" || process.env.E2E_TEST
+const isDevEnv = process.env.IS_DEV === "true" || process.env.CLINE_ENVIRONMENT === "local"
+
+// NOTE: Ensure the correct config is used based on environment
+export const posthogConfig = isTestEnv ? posthogTestEnvConfig : isDevEnv ? posthogDevEnvConfig : posthogProdConfig