chore: scaffold Phase 0 - Tauri2 + Rust + React + llama.cpp integration

apps/desktop/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "xianren-desktop"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+
+[lib]
+name = "xianren_desktop_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"
+tracing-subscriber.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+tokio.workspace = true
+futures.workspace = true
+uuid.workspace = true
+xianren-core = { path = "../../crates/core" }
+xianren-engine = { path = "../../crates/engine" }
+xianren-download = { path = "../../crates/download" }
+xianren-api = { path = "../../crates/api" }