Add Tauri desktop scaffolding and improve response rendering.

This updates project metadata/scripts for desktop builds, adds Tauri app files, refreshes release artifacts, and improves results preview handling for structured and think-tagged responses.

Made-with: Cursor

src-tauri/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "dify-batch-tester"
+version = "0.0.0"
+description = "Dify Batch Tester desktop app"
+authors = ["wangx"]
+edition = "2021"
+
+[lib]
+name = "dify_batch_tester_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"