Feat macos (#2)

---------

Co-authored-by: intelligence <intelligence@debian.local>
Co-authored-by: jourintown <jourintown@proton.me>
Reviewed-on: #2

macos/Tests/TransuiTests/TranscriptionClientTests.swift

@@ -0,0 +1,60 @@
+import XCTest
+
+@testable import Transui
+
+final class TranscriptionClientTests: XCTestCase {
+  func testAddsTranscriptionPath() {
+    XCTAssertEqual(
+      TranscriptionClient.endpointURL(from: "https://example.com/")?.absoluteString,
+      "https://example.com/v1/audio/transcriptions"
+    )
+  }
+
+  func testKeepsFullTranscriptionPath() {
+    XCTAssertEqual(
+      TranscriptionClient.endpointURL(
+        from: "https://example.com/v1/audio/transcriptions"
+      )?.absoluteString,
+      "https://example.com/v1/audio/transcriptions"
+    )
+  }
+
+  func testRejectsInvalidEndpoint() {
+    XCTAssertNil(TranscriptionClient.endpointURL(from: ""))
+    XCTAssertNil(TranscriptionClient.endpointURL(from: "example.com"))
+  }
+
+  func testHostedFirstPlanFallsBackToLocal() {
+    let plan = TranscriptionPlan(
+      hosted: endpoint("Hosted", "https://hosted.example.com"),
+      local: endpoint("Local", "http://localhost:8080"),
+      hostedFirst: true
+    )
+
+    XCTAssertEqual(plan.endpoints.map(\.label), ["Hosted", "Local"])
+  }
+
+  func testDisabledHostedFirstUsesOnlyLocal() {
+    let plan = TranscriptionPlan(
+      hosted: endpoint("Hosted", "https://hosted.example.com"),
+      local: endpoint("Local", "http://localhost:8080"),
+      hostedFirst: false
+    )
+
+    XCTAssertEqual(plan.endpoints.map(\.label), ["Local"])
+  }
+
+  func testPlanSkipsEmptyEndpoints() {
+    let plan = TranscriptionPlan(
+      hosted: endpoint("Hosted", ""),
+      local: endpoint("Local", ""),
+      hostedFirst: true
+    )
+
+    XCTAssertTrue(plan.endpoints.isEmpty)
+  }
+
+  private func endpoint(_ label: String, _ value: String) -> TranscriptionEndpoint {
+    TranscriptionEndpoint(label: label, endpoint: value, model: "", key: "")
+  }
+}