Fix tvOS builds with Xcode 27

.github/workflows/ci.yml

@@ -129,6 +129,33 @@ jobs:
       - name: Build tests for watchOS Simulator
         run: xcodebuild build-for-testing -scheme AnyLanguageModel -destination 'generic/platform=watchOS Simulator' CODE_SIGNING_ALLOWED=NO
 
+  build-tvos:
+    permissions:
+      contents: read
+    name: Build for tvOS with Xcode ${{ matrix.xcode }}
+    runs-on: ${{ matrix.runner }}
+    env:
+      DEVELOPER_DIR: "/Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer"
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - runner: macos-26
+            xcode: "26.4.1"
+          - runner: xcode-27
+            xcode: "27.0"
+    timeout-minutes: 20
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Build for tvOS
+        run: xcodebuild build -scheme AnyLanguageModel -destination 'generic/platform=tvOS' CODE_SIGNING_ALLOWED=NO
+
+      - name: Build tests for tvOS Simulator
+        if: matrix.xcode == '27.0'
+        run: xcodebuild build-for-testing -scheme AnyLanguageModel -destination 'generic/platform=tvOS Simulator' CODE_SIGNING_ALLOWED=NO
+
   test-linux:
     permissions:
       contents: read

Sources/AnyLanguageModel/Models/SystemLanguageModel.swift

@@ -1,4 +1,4 @@
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
     import Foundation
 

Tests/AnyLanguageModelTests/APICompatibilityAnyLanguageModelTests.swift

@@ -1,6 +1,6 @@
 import Testing
 
-#if canImport(FoundationModels) && !os(watchOS)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4)) && !os(watchOS)
     import AnyLanguageModel
 
     private let isSystemLanguageModelAvailable: Bool = {

Tests/AnyLanguageModelTests/APICompatibilityFoundationModelsTests.swift

@@ -1,6 +1,6 @@
 import Testing
 
-#if canImport(FoundationModels) && !os(watchOS)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4)) && !os(watchOS)
     import FoundationModels
 
     private let isFoundationModelsSystemLanguageModelAvailable: Bool = {

Tests/AnyLanguageModelTests/DynamicSchemaConversionTests.swift

@@ -3,7 +3,7 @@ import Foundation
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
     import enum JSONSchema.JSONSchema
 

Tests/AnyLanguageModelTests/FoundationModelsGenerationOptionsTests.swift

@@ -1,7 +1,7 @@
 import Testing
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import struct FoundationModels.GenerationOptions
 
     @Suite("FoundationModels GenerationOptions")

Tests/AnyLanguageModelTests/GeneratedContentJSONFoundationModelsTests.swift

@@ -3,7 +3,7 @@ import Testing
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
 
     private let isFoundationModelsAvailable: Bool = {

Tests/AnyLanguageModelTests/InlineObjectNamesFoundationModelsTests.swift

@@ -3,7 +3,7 @@ import Testing
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
 
     @Suite("Inline objects for Foundation Models")

Tests/AnyLanguageModelTests/PromptAttachmentTests.swift

@@ -225,7 +225,7 @@ struct PromptAttachmentTests {
             )
         }
 
-        #if canImport(FoundationModels)
+        #if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
             @available(macOS 26.0, iOS 26.0, watchOS 27.0, tvOS 26.0, visionOS 26.0, *)
             @Test func duplicateSuppressionDoesNotReencodeRecordedAttachments() throws {
                 let encoded = try AnyLanguageModel.Prompt {
@@ -262,7 +262,7 @@ struct PromptAttachmentTests {
         #endif
     #endif
 
-    #if canImport(FoundationModels)
+    #if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
         @Test func bridgeErrorsDescribeTheirCause() {
             let unavailable = AnyLanguageModel.PromptBridgeError.attachmentsUnavailable
             let nonFileURL = AnyLanguageModel.PromptBridgeError.nonFileImageURL

Tests/AnyLanguageModelTests/SchemaPropertyOrderFoundationModelsTests.swift

@@ -3,7 +3,7 @@ import Testing
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
 
     @Suite("Schema property order for Foundation Models")

Tests/AnyLanguageModelTests/StringChoiceGuideFoundationModelsTests.swift

@@ -3,7 +3,7 @@ import Testing
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
     import FoundationModels
 
     private let isFoundationModelsAvailable: Bool = {

Tests/AnyLanguageModelTests/SystemLanguageModelTests.swift

@@ -8,7 +8,7 @@ import Testing
 
 @testable import AnyLanguageModel
 
-#if canImport(FoundationModels) && !os(watchOS)
+#if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4)) && !os(watchOS)
     import class FoundationModels.LanguageModelSession
 
     private typealias LanguageModelSession = AnyLanguageModel.LanguageModelSession

Tests/AnyLanguageModelTests/TranscriptTests.swift

@@ -55,7 +55,7 @@ struct TranscriptTests {
         #expect(Transcript.Segment.image(image).id == "image-id")
     }
 
-    #if canImport(FoundationModels)
+    #if canImport(FoundationModels) && (!os(tvOS) || compiler(<6.4))
         @available(macOS 26.0, iOS 26.0, watchOS 27.0, tvOS 26.0, visionOS 26.0, *)
         @Test func bridgesStructuredSegmentToFoundationModels() throws {
             let content = try GeneratedContent(json: #"{"name":"Ana"}"#)