chore(tauri): remove dead code warnings and drop unused uuid dep

- Delete unused Provider::new, ProviderManager::get_current_provider
- Delete unused AppState::reload
- Remove uuid crate and related imports
- Keep functionality unchanged; frontend uses ID string for current provider

src-tauri/Cargo.lock

@@ -103,8 +103,6 @@ dependencies = [
  "tauri-plugin-log",
  "tauri-plugin-opener",
  "tauri-plugin-shell",
- "tauri-plugin-store",
- "uuid",
 ]
 
 [[package]]
@@ -4180,22 +4178,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "tauri-plugin-store"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d85dd80d60a76ee2c2fdce09e9ef30877b239c2a6bb76e6d7d03708aa5f13a19"
-dependencies = [
- "dunce",
- "serde",
- "serde_json",
- "tauri",
- "tauri-plugin",
- "thiserror 2.0.16",
- "tokio",
- "tracing",
-]
-
 [[package]]
 name = "tauri-runtime"
 version = "2.8.0"
@@ -4432,21 +4414,9 @@ dependencies = [
  "pin-project-lite",
  "slab",
  "socket2",
- "tokio-macros",
  "windows-sys 0.59.0",
 ]
 
-[[package]]
-name = "tokio-macros"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.106",
-]
-
 [[package]]
 name = "tokio-util"
 version = "0.7.16"