feat(web): add wa_askgh_repo_indexed PostHog event

Fires when a repo completes indexing on Ask GitHub, capturing the repo name.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: msukkari

packages/web/src/app/[domain]/askgh/[owner]/[repo]/components/repoIndexedGuard.tsx

@@ -7,6 +7,7 @@ import { Loader2 } from "lucide-react";
 import { usePrevious } from "@uidotdev/usehooks";
 import { useEffect } from "react";
 import { useBrowserNotification } from "@/hooks/useBrowserNotification";
+import { captureEvent } from "@/hooks/useCaptureEvent";
 import { RepoInfo } from "../types";
 
 const REINDEX_INTERVAL_MS = 2000;
@@ -45,9 +46,10 @@ export function RepoIndexedGuard({ initialRepoInfo, children }: Props) {
         }
     }, [initialRepoInfo.isIndexed, requestPermission]);
 
-    // Show notification when indexing completes
+    // Show notification and fire event when indexing completes
     useEffect(() => {
         if (previousIsIndexed === false && repoInfo.isIndexed === true) {
+            captureEvent('wa_askgh_repo_indexed', { repoName: repoInfo.name });
             const displayName = repoInfo.displayName ?? repoInfo.name;
             showNotification({
                 title: "Repository Ready",

packages/web/src/lib/posthogEvents.ts

@@ -232,6 +232,9 @@ export type PosthogEventMap = {
     },
     //////////////////////////////////////////////////////////////////
     wa_askgh_login_wall_prompted: {},
+    wa_askgh_repo_indexed: {
+        repoName: string,
+    },
     //////////////////////////////////////////////////////////////////
     wa_demo_docs_link_pressed: {},
     wa_demo_search_example_card_pressed: {