enable rfd only on supported platforms

gui/Cargo.toml

@@ -88,13 +88,18 @@ tracing = "^0.1.40"
 color-eyre = "^0.6.3"
 crossbeam-queue = "^0.3.11"
 lol_html = "^2.2.0"
-rfd = { git = "https://github.com/PolyMeilex/rfd.git", version = "^0.16.0", default-features = false }
 base64 = "^0.22"
 mime_guess = "^2.0.5"
 async_cell = "^0.2.3"
 reqwest = { version = "^0.12.22", features = ["json"] }
 dioxus-asset-resolver = "0.7.2"
 
+# Platform Integration
+# ====================
+# rfd only supports windows, macos, linux, and wasm32. No support for Android or iOS
+[target.'cfg(any(target_os = "linux", target_os = "windows", target_os = "macos", target_arch = "wasm32"))'.dependencies]
+rfd = { git = "https://github.com/PolyMeilex/rfd.git", version = "^0.16.0", default-features = false }
+
 # Denoising
 # =========
 deep_filter = { git = "https://github.com/Rikorose/DeepFilterNet.git", rev = "d375b2d8309e0935d165700c91da9de862a99c31", features = [