feat(tv): add glass poster module and refactor grid layouts

modules/glass-poster/src/GlassPosterModule.ts

@@ -0,0 +1,36 @@
+import { NativeModule, requireNativeModule } from "expo";
+import { Platform } from "react-native";
+
+import type { GlassPosterModuleEvents } from "./GlassPoster.types";
+
+declare class GlassPosterModuleType extends NativeModule<GlassPosterModuleEvents> {
+  isGlassEffectAvailable(): boolean;
+}
+
+// Only load the native module on tvOS
+let GlassPosterNativeModule: GlassPosterModuleType | null = null;
+
+if (Platform.OS === "ios" && Platform.isTV) {
+  try {
+    GlassPosterNativeModule =
+      requireNativeModule<GlassPosterModuleType>("GlassPoster");
+  } catch {
+    // Module not available, will use fallback
+  }
+}
+
+/**
+ * Check if the native glass effect is available (tvOS 26+)
+ */
+export function isGlassEffectAvailable(): boolean {
+  if (!GlassPosterNativeModule) {
+    return false;
+  }
+  try {
+    return GlassPosterNativeModule.isGlassEffectAvailable();
+  } catch {
+    return false;
+  }
+}
+
+export default GlassPosterNativeModule;