Changed Project Name to Pulsegate

+added README.MD

main.go

@@ -6,10 +6,12 @@ import (
 	"os/exec"
 	"strconv"
 	"strings"
+	"net"
+	"time"
 
-	"pdev-ssh/internal/config"
-	"pdev-ssh/internal/models"
-	"pdev-ssh/internal/secret"
+	"pulsegate/internal/config"
+	"pulsegate/internal/models"
+	"pulsegate/internal/secret"
 
 	tea "github.com/charmbracelet/bubbletea"
 	"github.com/charmbracelet/lipgloss"
@@ -46,6 +48,7 @@ type model struct {
 	commandOutput string
 	commandTitle  string
 	commandError  string
+	serverStatus map[int]string
 }
 
 var (
@@ -104,6 +107,7 @@ func initialModel() model {
 		servers:  cfg.Servers,
 		selected: 0,
 		view:     ViewServers,
+		serverStatus: make(map[int]string),
 	}
 
 	m.initAddInputs()
@@ -111,7 +115,7 @@ func initialModel() model {
 }
 
 func (m model) Init() tea.Cmd {
-	return nil
+	return checkAllServerStatus(m.servers)
 }
 
 func (m *model) initAddInputs() {
@@ -202,6 +206,11 @@ type quickCommandResultMsg struct {
 	Error  string
 }
 
+type serverStatusMsg struct {
+	Index  int
+	Status string
+}
+
 func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	if m.err != nil {
 		return m, nil
@@ -219,6 +228,14 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.view = ViewCommandOutput
 		return m, nil
 
+	case serverStatusMsg:
+		if m.serverStatus == nil {
+			m.serverStatus = make(map[int]string)
+		}
+
+		m.serverStatus[msg.Index] = msg.Status
+		return m, nil	
+
 	case tea.KeyMsg:
 
 		// Command Output offen lassen, bis du ihn wegdrückst
@@ -248,6 +265,9 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.addFocus = (m.addFocus + 1) % len(m.addInputs)
 				m.addInputs[m.addFocus].Focus()
 				return m, nil
+			
+			case "r":
+				return m, checkAllServerStatus(m.servers)
 
 			case "shift+tab", "up":
 				m.addInputs[m.addFocus].Blur()
@@ -437,7 +457,7 @@ func (m model) View() string {
 		right,
 	)
 
-	footer := helpStyle.Render("↑/↓ Auswahl  Enter Verbinden/Ausführen  a Hinzufügen  e Editieren  d Löschen  c Commands  Tab Ansicht  q Zurück/Beenden")
+	footer := helpStyle.Render("↑/↓ Auswahl  Enter Verbinden  a Hinzufügen  e Editieren  d Löschen  c Commands  r Status refresh  Tab Ansicht  q Zurück/Beenden")
 
 	content := lipgloss.JoinVertical(
 		lipgloss.Left,
@@ -450,7 +470,7 @@ func (m model) View() string {
 }
 
 func (m model) renderHeader() string {
-	title := "󰣀 PDEV SSH Manager"
+	title := "󰣀 PulseGate"
 	subtitle := fmt.Sprintf(
 		"Homelab SSH Control Center  •  Server: %d  •  Theme: %s  •  TERM: %s",
 		len(m.servers),
@@ -509,6 +529,8 @@ func (m model) renderServerList() string {
 
 	for i, server := range m.servers {
 		authIcon := "󰌾"
+		status := m.serverStatus[i]
+		statusRendered := statusStyle(status).Render(statusIcon(status))
 		if server.Auth == "key" {
 			authIcon = "󰌆"
 		}
@@ -518,8 +540,17 @@ func (m model) renderServerList() string {
 			kitty = " 󰄛 kitty"
 		}
 
+		statusText := ""
+		if status == "online" {
+			statusText = " ssh"
+		} else if status == "offline" {
+			statusText = " off"
+		}
+
 		line := fmt.Sprintf(
-			"%s %s  %s@%s:%d  [%s]%s",
+			"%s%s %s %s  %s@%s:%d  [%s]%s",
+			statusRendered,
+			statusText,
 			authIcon,
 			server.Name,
 			server.User,
@@ -966,6 +997,64 @@ func runQuickCommand(server models.Server, settings models.Settings, quick model
 	}
 }
 
+func checkAllServerStatus(servers []models.Server) tea.Cmd {
+	cmds := make([]tea.Cmd, 0, len(servers))
+
+	for i, server := range servers {
+		cmds = append(cmds, checkServerStatus(i, server))
+	}
+
+	return tea.Batch(cmds...)
+}
+
+func checkServerStatus(index int, server models.Server) tea.Cmd {
+	return func() tea.Msg {
+		port := server.Port
+		if port == 0 {
+			port = 22
+		}
+
+		addr := fmt.Sprintf("%s:%d", server.Host, port)
+
+		conn, err := net.DialTimeout("tcp", addr, 1500*time.Millisecond)
+		if err != nil {
+			return serverStatusMsg{
+				Index:  index,
+				Status: "offline",
+			}
+		}
+
+		_ = conn.Close()
+
+		return serverStatusMsg{
+			Index:  index,
+			Status: "online",
+		}
+	}
+}
+
+func statusIcon(status string) string {
+	switch status {
+	case "online":
+		return "●"
+	case "offline":
+		return "○"
+	default:
+		return "◌"
+	}
+}
+
+func statusStyle(status string) lipgloss.Style {
+	switch status {
+	case "online":
+		return lipgloss.NewStyle().Foreground(green).Bold(true)
+	case "offline":
+		return lipgloss.NewStyle().Foreground(gray)
+	default:
+		return lipgloss.NewStyle().Foreground(dimText)
+	}
+}
+
 func (m model) renderDeleteConfirmContent() string {
 	if len(m.servers) == 0 {
 		return panelStyle.Render("Kein Server zum Löschen vorhanden.")