feat(gift): 경로형 선물 딥링크를 연결한다

work/tests/AppDeepLinkGiftDetailCheck.swift

@@ -50,6 +50,16 @@ enum GiftDetailDeepLinkCheck {
         settle()
         check(AppState.shared.appliedStep == .giftDetail(applicationNo: "GIFT-2026-001"), "decoded identifier routes to gift detail")
 
+        for url in [
+            "voiceon://gift-detail/A-1002609300001",
+            "voiceon-test://gift-detail/A-1002609300001"
+        ] {
+            AppState.shared.appliedStep = nil
+            check(AppDeepLinkHandler.handle(urlString: url), "path gift detail accepted for \(url)")
+            settle()
+            check(AppState.shared.appliedStep == .giftDetail(applicationNo: "A-1002609300001"), "path identifier routes to gift detail")
+        }
+
         AppState.shared.appliedStep = nil
         check(AppDeepLinkHandler.handle(urlString: "voiceon://?deepLinkValue=%20GIFT_DETAIL%20&deepLinkId=%20GIFT-2026-002%20"), "trimmed semantic values accepted")
         settle()
@@ -60,6 +70,7 @@ enum GiftDetailDeepLinkCheck {
             "voiceon://?deepLinkId=GIFT-2026-003",
             "voiceon://?deepLinkValue=GIFT_DETAIL&deepLinkId=%20%20",
             "voiceon://?deepLinkValue=OTHER&deepLinkId=GIFT-2026-004",
+            "voiceon://gift-detail/",
             "http://?deepLinkValue=GIFT_DETAIL&deepLinkId=GIFT-2026-005"
         ] {
             check(!AppDeepLinkHandler.handle(urlString: url), "rejects invalid or unsupported \(url)")
@@ -77,6 +88,16 @@ enum GiftDetailDeepLinkCheck {
         }
         check(AppState.shared.appliedStep == nil, "splash does not apply gift action")
 
+        AppState.shared.pendingDeepLinkAction = nil
+        check(AppDeepLinkHandler.handle(urlString: "voiceon-test://gift-detail/A-1002609300001"), "splash accepts path gift detail")
+        settle()
+        if case .giftDetail(let applicationNo)? = AppState.shared.pendingDeepLinkAction {
+            check(applicationNo == "A-1002609300001", "splash stores path gift action")
+        } else {
+            check(false, "splash stores path gift action")
+        }
+        check(AppState.shared.appliedStep == nil, "splash does not apply path gift action")
+
         AppState.shared.rootStep = .main
         AppState.shared.appliedStep = nil
         AppState.shared.pendingDeepLinkAction = nil