feat: add travel album OTG import flow

suixinkanTests/TravelAlbumAPITests.swift

@@ -73,6 +73,29 @@ final class TravelAlbumAPITests: XCTestCase {
         XCTAssertEqual(session.requests[2].url?.path, "/api/yf-handset-app/photog/travel-album/mp-code")
     }
 
+    func testUploadMaterialBuildsPathAndBody() async throws {
+        let material = envelopeJSON(#"{"id":6,"user_equity_travel_id":3,"file_name":"A.JPG","file_url":"https://cdn/a.jpg"}"#)
+        let session = MockURLSession(responses: [material])
+        let api = TravelAlbumAPI(client: APIClient(environment: .testing, session: session))
+
+        let response = try await api.uploadMaterial(
+            TravelAlbumUploadMaterialRequest(
+                userEquityTravelId: 3,
+                fileName: "A.JPG",
+                fileUrl: "https://cdn/a.jpg"
+            )
+        )
+
+        XCTAssertEqual(response.id, 6)
+        let request = try XCTUnwrap(session.requests.first)
+        XCTAssertEqual(request.httpMethod, "POST")
+        XCTAssertEqual(request.url?.path, "/api/yf-handset-app/photog/travel-album/upload-material")
+        let body = try JSONSerialization.jsonObject(with: try XCTUnwrap(request.httpBody)) as? [String: Any]
+        XCTAssertEqual(body?["user_equity_travel_id"] as? Int, 3)
+        XCTAssertEqual(body?["file_name"] as? String, "A.JPG")
+        XCTAssertEqual(body?["file_url"] as? String, "https://cdn/a.jpg")
+    }
+
     private func envelopeJSON(_ dataJSON: String) -> Data {
         """
         {"code":100000,"msg":"success","data":\(dataJSON)}