AGENTS.md: no direct commits to main, all changes via feature branches

internal/handlers/healthcheck.go

@@ -4,9 +4,12 @@ import (
 	"net/http"
 )
 
+const httpStatusOK = 200
+
+// HandleHealthCheck returns an HTTP handler for the health check endpoint.
 func (s *Handlers) HandleHealthCheck() http.HandlerFunc {
 	return func(w http.ResponseWriter, req *http.Request) {
 		resp := s.hc.Healthcheck()
-		s.respondJSON(w, req, resp, 200)
+		s.respondJSON(w, req, resp, httpStatusOK)
 	}
 }