feat: Refactor VibeTorrent v3 with shared crate, fine-grained updates, tracing, and middleware optimization

shared/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "shared"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+serde = { version = "1.0.228", features = ["derive"] }

shared/src/lib.rs

@@ -0,0 +1,58 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
+pub struct Torrent {
+    pub hash: String,
+    pub name: String,
+    pub size: i64,
+    pub completed: i64,
+    pub down_rate: i64,
+    pub up_rate: i64,
+    pub eta: i64,
+    pub percent_complete: f64,
+    pub status: TorrentStatus,
+    pub error_message: String,
+    pub added_date: i64,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
+pub enum TorrentStatus {
+    Downloading,
+    Seeding,
+    Paused,
+    Error,
+    Checking,
+    Queued,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+#[serde(tag = "type", content = "data")]
+pub enum AppEvent {
+    FullList(Vec<Torrent>, u64), // u64 is likely free_space_bytes
+    Update(TorrentUpdate),
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct TorrentUpdate {
+    pub hash: String,
+    pub down_rate: Option<i64>,
+    pub up_rate: Option<i64>,
+    pub percent_complete: Option<f64>,
+    pub completed: Option<i64>,
+    pub eta: Option<i64>,
+    pub status: Option<TorrentStatus>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct TorrentActionRequest {
+    pub hash: String,
+    pub action: String, // "start", "stop", "delete"
+}
+
+// Added Theme here to separate it from backend logic but allow frontend usage via shared
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
+pub enum Theme {
+    Midnight,
+    Light,
+    Amoled,
+}