feat: implement server configuration with address and port options

Co-authored-by: aider (openai/andrew/openrouter/qwen/qwen3-coder) <aider@aider.chat>

src/args.rs

@@ -64,8 +64,16 @@ pub struct ModeArgs {
     pub status: bool,
 
     #[arg(group("mode"), help_heading("Mode Options"), long, conflicts_with_all(["save", "get", "diff", "list", "update", "delete", "info", "status"]))]
-    #[arg(help("Start REST HTTP server on specified address:port or socket path"))]
-    pub server: Option<String>,
+    #[arg(help("Start REST HTTP server"))]
+    pub server: bool,
+
+    #[arg(help_heading("Server Options"), long, env("KEEP_SERVER_ADDRESS"))]
+    #[arg(help("Server address to bind to"))]
+    pub server_address: Option<String>,
+
+    #[arg(help_heading("Server Options"), long, env("KEEP_SERVER_PORT"))]
+    #[arg(help("Server port to bind to"))]
+    pub server_port: Option<u16>,
 }
 
 /**

src/modes/server.rs

@@ -26,11 +26,27 @@ pub fn mode_server(
     conn: &mut rusqlite::Connection,
     data_path: PathBuf,
 ) -> Result<()> {
-    let server_address = settings.get_server_address(&crate::args::Args::parse(), config)
-        .unwrap_or_else(|| "127.0.0.1:8080".to_string());
+    // Get server address from args or config with default
+    let server_address = if let Some(addr) = &settings.server_address {
+        addr.clone()
+    } else if let Some(server_config) = &config.server {
+        server_config.address.clone().unwrap_or_else(|| "127.0.0.1".to_string())
+    } else {
+        "127.0.0.1".to_string()
+    };
+    
+    // Get server port from args or config with default
+    let server_port = if let Some(port) = settings.server_port {
+        port
+    } else if let Some(server_config) = &config.server {
+        server_config.port.unwrap_or(21080)
+    } else {
+        21080
+    };
     
     let server_config = common::ServerConfig {
         address: server_address,
+        port: Some(server_port),
         password: settings.server_password.clone(),
     };
     
@@ -46,7 +62,14 @@ async fn run_server(
     conn: rusqlite::Connection,
     data_dir: PathBuf,
 ) -> Result<()> {
-    debug!("SERVER: Starting REST HTTP server on {}", config.address);
+    // Construct address with port
+    let bind_address = if let Some(port) = config.port {
+        format!("{}:{}", config.address, port)
+    } else {
+        format!("{}:21080", config.address)
+    };
+    
+    debug!("SERVER: Starting REST HTTP server on {}", bind_address);
     
     // Use the existing database connection
     let db_conn = Arc::new(Mutex::new(conn));
@@ -73,12 +96,12 @@ async fn run_server(
                 .layer(CorsLayer::permissive())
         );
     
-    let addr: SocketAddr = if config.address.starts_with('/') || config.address.starts_with("./") {
+    let addr: SocketAddr = if bind_address.starts_with('/') || bind_address.starts_with("./") {
         // Unix socket - not supported by axum directly, fall back to TCP
-        warn!("Unix sockets not yet implemented, falling back to TCP on 127.0.0.1:8080");
-        "127.0.0.1:8080".parse()?
+        warn!("Unix sockets not yet implemented, falling back to TCP on 127.0.0.1:21080");
+        "127.0.0.1:21080".parse()?
     } else {
-        config.address.parse()?
+        bind_address.parse()?
     };
     
     info!("SERVER: HTTP server listening on {}", addr);

src/modes/server/common.rs

@@ -20,20 +20,10 @@ use utoipa::ToSchema;
 #[derive(Debug, Clone)]
 pub struct ServerConfig {
     pub address: String,
+    pub port: Option<u16>,
     pub password: Option<String>,
 }
 
-impl FromStr for ServerConfig {
-    type Err = anyhow::Error;
-    
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        Ok(ServerConfig {
-            address: s.to_string(),
-            password: None,
-        })
-    }
-}
-
 #[derive(Clone)]
 pub struct AppState {
     pub db: Arc<Mutex<rusqlite::Connection>>,