fix(deeplink): 커뮤니티 링크를 게시글 상세에 연결한다

work/tests/AppDeepLinkGiftDetailCheck.swift

@@ -7,6 +7,7 @@ enum AppStep: Equatable {
     case contentDetail(contentId: Int)
     case seriesDetail(seriesId: Int)
     case creatorCommunityAll(creatorId: Int)
+    case creatorChannelCommunityPostDetail(postId: Int)
     case message
     case audition
     case giftDetail(applicationNo: String)
@@ -14,7 +15,8 @@ enum AppStep: Equatable {
 
 enum UserDefaultsKey { case userId }
 enum UserDefaults {
-    static func int(forKey: UserDefaultsKey) -> Int { 0 }
+    static var userId = 0
+    static func int(forKey: UserDefaultsKey) -> Int { userId }
 }
 
 final class AppState {
@@ -24,9 +26,10 @@ final class AppState {
     var appliedStep: AppStep?
     var isPushRoomFromDeepLink = false
     var pushRoomId = 0
+    var pendingCommentPostId: Int?
     func setAppStep(step: AppStep) { appliedStep = step }
-    func setPendingCommunityCommentDeepLink(creatorId: Int, postId: Int) {}
-    func clearPendingCommunityCommentDeepLink() {}
+    func setPendingCommunityCommentDeepLink(creatorId: Int, postId: Int) { pendingCommentPostId = postId }
+    func clearPendingCommunityCommentDeepLink() { pendingCommentPostId = nil }
 }
 
 let APPSCHEME = "soda"
@@ -104,6 +107,67 @@ enum GiftDetailDeepLinkCheck {
         check(AppDeepLinkHandler.handle(urlString: "voiceon://?content_id=42&deepLinkValue=GIFT_DETAIL&deepLinkId=GIFT-2026-007"), "existing content route accepted")
         settle()
         check(AppState.shared.appliedStep == .contentDetail(contentId: 42), "existing content route still applies")
+        checkCommunityLinks()
         print("PASS AppDeepLinkGiftDetailCheck assertions=\(assertions)")
     }
+
+    static func checkCommunityLinks() {
+        for userId in [0, 42] {
+            UserDefaults.userId = userId
+            for source in [AppDeepLinkSource.external, .notificationList] {
+                for url in [
+                    "voiceon://community?postId=12345",
+                    "voiceon-test://community?post_id=12345",
+                    "voiceon:///community?POSTID=12345",
+                    "voiceon://community/77?postId=12345",
+                    "voiceon://?community_id=77&postId=12345"
+                ] {
+                    AppState.shared.appliedStep = nil
+                    AppState.shared.pendingCommentPostId = nil
+                    check(AppDeepLinkHandler.handle(urlString: url, source: source), "community link accepted: \(url), userId=\(userId)")
+                    settle()
+                    check(AppState.shared.appliedStep == .creatorChannelCommunityPostDetail(postId: 12345), "community link opens requested post detail: \(url)")
+                    check(AppState.shared.pendingCommentPostId == nil, "detail link does not queue legacy comment sheet")
+                }
+            }
+        }
+
+        for rootStep in [AppStep.main, .splash] {
+            AppState.shared.rootStep = rootStep
+            for route in ["voiceon://community", "voiceon:///community", "voiceon://community/77", "voiceon://?community_id=77"] {
+                for parameter in ["", "postId=", "postId=abc", "postId=0", "postId=-1", "postId=1.5", "postId=999999999999999999999999", "post_id=0"] {
+                    let separator = route.contains("?") ? "&" : "?"
+                    let url = route + separator + parameter
+                    AppState.shared.appliedStep = .contentDetail(contentId: 42)
+                    AppState.shared.pendingDeepLinkAction = .content(contentId: 99)
+                    check(!AppDeepLinkHandler.handle(urlString: url), "invalid community link rejected: \(url)")
+                    settle()
+                    check(AppState.shared.appliedStep == .contentDetail(contentId: 42), "invalid postId leaves current route unchanged")
+                    if case .content(let contentId)? = AppState.shared.pendingDeepLinkAction {
+                        check(contentId == 99, "invalid postId preserves existing deferred action")
+                    } else {
+                        check(false, "invalid postId preserves existing deferred action")
+                    }
+                }
+            }
+        }
+
+        check(!AppDeepLinkHandler.handle(urlString: "voiceon://community?postId=bad&content_id=42"), "invalid community route does not fall through to content")
+        check(!AppDeepLinkHandler.handle(urlString: "voiceon:///community?message_id=42"), "missing postId does not fall through to message")
+
+        AppState.shared.rootStep = .splash
+        AppState.shared.appliedStep = nil
+        AppState.shared.pendingDeepLinkAction = nil
+        check(AppDeepLinkHandler.handle(urlString: "voiceon://community?postId=12345"), "splash accepts community detail")
+        settle()
+        check(AppState.shared.appliedStep == nil, "splash defers detail navigation")
+        guard let action = AppState.shared.pendingDeepLinkAction else {
+            check(false, "splash stores community detail action")
+            return
+        }
+        AppState.shared.rootStep = .main
+        AppState.shared.pendingDeepLinkAction = nil
+        AppDeepLinkHandler.apply(action: action)
+        check(AppState.shared.appliedStep == .creatorChannelCommunityPostDetail(postId: 12345), "deferred community link opens requested post detail")
+    }
 }