feat: refactor async task and remove tokio as dep

crates/state/Cargo.toml

@@ -6,5 +6,4 @@ publish = false
 
 [dependencies]
 nostr-sdk.workspace = true
-tokio.workspace = true
 dirs.workspace = true

crates/state/src/lib.rs

@@ -4,23 +4,29 @@ use std::{fs, sync::OnceLock, time::Duration};
 
 static CLIENT: OnceLock<Client> = OnceLock::new();
 
-pub fn initialize_client() {
+pub fn initialize_client() -> &'static Client {
     // Setup app data folder
     let config_dir = config_dir().expect("Config directory not found");
-    let _ = fs::create_dir_all(config_dir.join("Coop/"));
+    let app_dir = config_dir.join("Coop/");
+
+    // Create app directory if it doesn't exist
+    _ = fs::create_dir_all(&app_dir);
 
     // Setup database
-    let lmdb = NostrLMDB::open(config_dir.join("Coop/nostr")).expect("Database is NOT initialized");
+    let lmdb = NostrLMDB::open(app_dir.join("nostr")).expect("Database is NOT initialized");
 
     // Client options
     let opts = Options::new()
+        // NIP-65
         .gossip(true)
-        .max_avg_latency(Duration::from_secs(2));
+        // Skip all very slow relays
+        .max_avg_latency(Duration::from_millis(800));
 
     // Setup Nostr Client
     let client = ClientBuilder::default().database(lmdb).opts(opts).build();
 
     CLIENT.set(client).expect("Client is already initialized!");
+    CLIENT.get().expect("Client is NOT initialized!")
 }
 
 pub fn get_client() -> &'static Client {