Initial commit — Tauri image gallery with sqlite-vec

Sets up Tauri v2 + React frontend with SQLite metadata store,
sqlite-vec for CLIP embedding infrastructure, and r2d2 connection
pool replacing the single Arc<Mutex<Connection>>. Indexer now uses
rayon for parallel file metadata collection.

src-tauri/Cargo.toml

@@ -0,0 +1,33 @@
+[package]
+name = "image-gallery"
+version = "0.1.0"
+description = "A performant image gallery application"
+authors = ["you"]
+edition = "2021"
+
+[lib]
+name = "image_gallery_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = ["protocol-asset"] }
+tauri-plugin-opener = "2"
+tauri-plugin-dialog = "2"
+tauri-plugin-fs = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+rusqlite = { version = "0.32", features = ["bundled"] }
+r2d2 = "0.8"
+r2d2_sqlite = "0.25"
+sqlite-vec = "=0.1.9"
+image = { version = "0.25", default-features = false, features = ["jpeg", "png", "webp", "gif", "bmp", "tiff"] }
+walkdir = "2"
+rayon = "1"
+tokio = { version = "1", features = ["full"] }
+chrono = { version = "0.4", features = ["serde"] }
+uuid = { version = "1", features = ["v4"] }
+anyhow = "1"
+log = "0.4"