feat(ios): share extension ile Ratebubble iOS istemcisini ekle ve paylaşım akışını düzelt

ios/Ratebubble/Shared/APIClient.swift

@@ -0,0 +1,65 @@
+import Foundation
+
+enum APIClientError: LocalizedError {
+    case invalidBaseURL
+    case invalidResponse
+    case server(String)
+
+    var errorDescription: String? {
+        switch self {
+        case .invalidBaseURL:
+            return "API_BASE_URL geçersiz."
+        case .invalidResponse:
+            return "Sunucudan geçerli yanıt alınamadı."
+        case .server(let message):
+            return message
+        }
+    }
+}
+
+final class APIClient {
+    static let shared = APIClient()
+
+    private init() {}
+
+    private var baseURL: URL? {
+        guard let raw = Bundle.main.object(forInfoDictionaryKey: "API_BASE_URL") as? String else {
+            return nil
+        }
+        return URL(string: raw)
+    }
+
+    private var mobileAPIKey: String {
+        Bundle.main.object(forInfoDictionaryKey: "MOBILE_API_KEY") as? String
+            ?? "mobile-dev-key-change-me"
+    }
+
+    func getInfo(url: String) async throws -> GetInfoResponse {
+        guard let baseURL else { throw APIClientError.invalidBaseURL }
+
+        var request = URLRequest(url: baseURL.appending(path: "/api/getinfo"))
+        request.httpMethod = "POST"
+        request.timeoutInterval = 20
+        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+        request.setValue(mobileAPIKey, forHTTPHeaderField: "X-API-Key")
+        request.httpBody = try JSONEncoder().encode(GetInfoRequest(url: url))
+
+        let (data, response) = try await URLSession.shared.data(for: request)
+        guard let http = response as? HTTPURLResponse else {
+            throw APIClientError.invalidResponse
+        }
+
+        let decoder = JSONDecoder()
+        let envelope = try decoder.decode(APIEnvelope<GetInfoResponse>.self, from: data)
+
+        if (200..<300).contains(http.statusCode), envelope.success, let payload = envelope.data {
+            return payload
+        }
+
+        if let errorMessage = envelope.error?.message {
+            throw APIClientError.server(errorMessage)
+        }
+
+        throw APIClientError.server("İstek başarısız oldu (\(http.statusCode)).")
+    }
+}