feat(onboarding): auto-enable PostHog internal signal sources

apps/code/src/renderer/features/inbox/hooks/useSignalSourceManager.ts

@@ -62,6 +62,15 @@ const ALL_SOURCE_PRODUCTS: (keyof SignalSourceValues)[] = [
   "conversations",
 ];
 
+// Sources powered by PostHog itself (no external integration required). These
+// are auto-enabled the first time a project reaches the onboarding signals step
+// so the inbox is opt-out, not opt-in.
+const POSTHOG_INTERNAL_SOURCES: (keyof SignalSourceValues)[] = [
+  "error_tracking",
+  "conversations",
+  "session_replay",
+];
+
 function computeValues(
   configs: SignalSourceConfig[] | undefined,
 ): SignalSourceValues {
@@ -378,6 +387,22 @@ export function useSignalSourceManager() {
     ],
   );
 
+  // Create configs (enabled) for any PostHog-internal source that has none.
+  // Sources with an existing config (enabled or disabled) are left alone so we
+  // never override an explicit user choice.
+  const autoEnableInternalSources = useCallback(async () => {
+    if (!client || !projectId || !configs) return;
+
+    const missing = POSTHOG_INTERNAL_SOURCES.filter(
+      (product) => !configs.some((c) => c.source_product === product),
+    );
+    if (missing.length === 0) return;
+
+    for (const product of missing) {
+      void handleToggle(product, true);
+    }
+  }, [client, projectId, configs, handleToggle]);
+
   const handleSetupComplete = useCallback(async () => {
     const completedSource = setupSource;
     setSetupSource(null);
@@ -476,6 +501,7 @@ export function useSignalSourceManager() {
     handleSetup,
     handleSetupComplete,
     handleSetupCancel,
+    autoEnableInternalSources,
     evaluations: displayEvaluations,
     evaluationsUrl,
     handleToggleEvaluation,

apps/code/src/renderer/features/onboarding/components/SignalsStep.tsx

@@ -7,6 +7,7 @@ import { Button, Flex, Text } from "@radix-ui/themes";
 import detectiveHog from "@renderer/assets/images/hedgehogs/detective-hog.png";
 import { useQueryClient } from "@tanstack/react-query";
 import { motion } from "framer-motion";
+import { useEffect, useRef } from "react";
 import { OnboardingHogTip } from "./OnboardingHogTip";
 import { StepActions } from "./StepActions";
 
@@ -27,10 +28,21 @@ export function SignalsStep({ onNext, onBack }: SignalsStepProps) {
     handleSetupComplete,
     handleSetupCancel,
     evaluationsUrl,
+    autoEnableInternalSources,
   } = useSignalSourceManager();
   const { data: me } = useMeQuery();
   const isStaff = me?.is_staff ?? false;
 
+  // Auto-enable PostHog-internal sources on first load so the inbox is opt-out
+  // during onboarding. The manager skips any source that already has a config.
+  const autoEnabledRef = useRef(false);
+  useEffect(() => {
+    if (autoEnabledRef.current) return;
+    if (isLoading) return;
+    autoEnabledRef.current = true;
+    void autoEnableInternalSources();
+  }, [isLoading, autoEnableInternalSources]);
+
   const anyEnabled =
     displayValues.session_replay ||
     displayValues.error_tracking ||