feat: add discord rich presence (#105)

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Reviewed-on: #105
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src-tauri/src/commands.rs

@@ -647,6 +647,42 @@ async fn save_cost_history(app: &AppHandle, history: &crate::cost_tracking::Cost
     Ok(())
 }
 
+#[tauri::command]
+pub async fn init_discord_rpc(
+    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
+    session_name: String,
+    model: String,
+    started_at: i64,
+) -> Result<(), String> {
+    discord_rpc.init(session_name, model, started_at)
+}
+
+#[tauri::command]
+pub async fn update_discord_rpc(
+    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
+    session_name: String,
+    model: String,
+    started_at: i64,
+) -> Result<(), String> {
+    discord_rpc.update(session_name, model, started_at)
+}
+
+#[tauri::command]
+pub async fn stop_discord_rpc(
+    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
+) -> Result<(), String> {
+    discord_rpc.stop()
+}
+
+#[tauri::command]
+pub async fn log_discord_rpc(
+    discord_rpc: State<'_, std::sync::Arc<crate::discord_rpc::DiscordRpcManager>>,
+    message: String,
+) -> Result<(), String> {
+    discord_rpc.log(&message);
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;