feat: expose learning video health detail

cmd/server/main.go

@@ -79,7 +79,7 @@ func main() {
 			"portal_url_set", cfg.PortalURL != "", "portal_key_set", cfg.InternalAPIKey != "")
 	}
 
-	healthH := handler.NewHealthHandler(pool)
+	healthH := handler.NewHealthHandler(pool, store)
 	testH := handler.NewTestHandler(testRepo, accessRepo)
 	attemptH := handler.NewAttemptHandler(attemptRepo, testRepo)
 	courseH := handler.NewCourseHandler(courseRepo, accessRepo)
@@ -94,6 +94,7 @@ func main() {
 
 	r.Get("/healthz", healthH.Healthz)
 	r.Get("/readyz", healthH.Readyz)
+	r.Get("/health/detail", healthH.Detail)
 
 	r.Route("/api", func(r chi.Router) {
 		r.Use(commonmw.InternalAuth(cfg.InternalAPIKey))