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2. 메시지 푸시 메인 체인

2.1 체인 전체 개요

사용자가 채팅에서 메시지를 보낼 때의 전체 푸시 체인은 다음과 같습니다.
사용자 A 메시지 전송\n    │\n    ▼\nChatService.sendMessage()\n   ..."}],["$","meta","2",{"name":"keywords","content":"technology,software development,AI,Bohol,Philippines"}],["$","meta","3",{"name":"robots","content":"index, follow"}],["$","link","4",{"rel":"canonical","href":"https://tarsierlabs.app/ko/articles/end-to-end-push-notification/"}],["$","link","5",{"rel":"alternate","hrefLang":"zh","href":"https://tarsierlabs.app/zh/articles/end-to-end-push-notification/"}],["$","link","6",{"rel":"alternate","hrefLang":"en","href":"https://tarsierlabs.app/en/articles/end-to-end-push-notification/"}],["$","link","7",{"rel":"alternate","hrefLang":"ja","href":"https://tarsierlabs.app/ja/articles/end-to-end-push-notification/"}],["$","link","8",{"rel":"alternate","hrefLang":"fr","href":"https://tarsierlabs.app/fr/articles/end-to-end-push-notification/"}],["$","link","9",{"rel":"alternate","hrefLang":"de","href":"https://tarsierlabs.app/de/articles/end-to-end-push-notification/"}],["$","meta","10",{"name":"google-site-verification","content":"kzUfSifVDmWdNRVTtLPjlYBBUjeIjmXVDp-BYT_3JQo"}],["$","meta","11",{"property":"og:title","content":"종단간 푸시 알림 – NestJS 이벤트 기반 FCM × Flutter 3계층 분배 × 관리자 백엔드"}],["$","meta","12",{"property":"og:description","content":"2. 메시지 푸시 메인 체인
\n2.1 체인 전체 개요
\n사용자가 채팅에서 메시지를 보낼 때의 전체 푸시 체인은 다음과 같습니다.
\n사용자 A 메시지 전송\n    │\n    ▼\nChatService.sendMessage()\n   ..."}],["$","meta","13",{"property":"og:image","content":"https://img.joyminis.com/cdn-cgi/image/width=1200,quality=75,f=auto,fit=scale-down/uploads/blog/cmowuzq1x0000pahatxmprtmt/f4601afa-8e81-4316-aeae-202a17a1d3c0.png"}],["$","meta","14",{"property":"og:image:width","content":"1200"}],["$","meta","15",{"property":"og:image:height","content":"630"}],["$","meta","16",{"property":"og:image:alt","content":"종단간 푸시 알림 – NestJS 이벤트 기반 FCM × Flutter 3계층 분배 × 관리자 백엔드"}],["$","meta","17",{"property":"og:type","content":"article"}],["$","meta","18",{"property":"article:modified_time","content":"2026-05-09T04:36:04.107Z"}],["$","meta","19",{"property":"article:author","content":"Tarsier Labs"}],["$","meta","20",{"name":"twitter:card","content":"summary_large_image"}],["$","meta","21",{"name":"twitter:title","content":"종단간 푸시 알림 – NestJS 이벤트 기반 FCM × Flutter 3계층 분배 × 관리자 백엔드"}],["$","meta","22",{"name":"twitter:description","content":"2. 메시지 푸시 메인 체인
\n2.1 체인 전체 개요
\n사용자가 채팅에서 메시지를 보낼 때의 전체 푸시 체인은 다음과 같습니다.
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