feat: AI's refactoring

backend/Cargo.toml

@@ -4,7 +4,10 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+anyhow = "1.0.100"
+clap = "4.5.53"
 crossbeam = { version = "0.8.4", features = ["crossbeam-channel"] }
+dotenv = "0.15.0"
 futures-util = "0.3.31"
 parking_lot = "0.12.5"
 rav1e = "0.8.1"
@@ -12,6 +15,8 @@ scap = "0.0.8"
 scopeguard = "1.2.0"
 tokio = { version = "1.48.0", features = ["full"] }
 tokio-tungstenite = "0.28.0"
+tracing = "0.1.44"
+tracing-subscriber = "0.3.22"
 v_frame = "0.3.9"
 vpx-rs = "0.2.1"
 yuv = "0.8.9"