Fix: crash on failed connect, add sidebar edit/delete, password saving

- Fix crash when SSH connect fails: remove page BEFORE deleting terminal
- Sidebar right-click context menu: Connect / Edit / Delete
- Password field + Save password checkbox in server dialog
- ServerConfig stores password and save_password fields
- Auto-connect uses saved password when available
- Restore original flaticon icon

README.md

@@ -2,15 +2,16 @@
 
 A GTK3-based SSH client with a tabbed terminal interface, server sidebar, notifications, and SSH key storage.
 
-![Icon](icons/x3-ssh.svg)
+![Icon](icons/x3-ssh.png)
 
 ## Features
 
 - **Tabbed terminal** - Multiple SSH sessions in tabs
-- **Server sidebar** - Saved servers displayed in a sidebar, double-click to connect
+- **Server sidebar** - Saved servers in a sidebar, double-click to connect, right-click for Edit/Delete
 - **Quick connect** - Connect directly via host/user/port fields in the toolbar
+- **Password storage** - Optionally save passwords with servers (stored in config file)
 - **SSH key management** - Generate, import, and manage SSH keys
-- **Notifications** - Animated notification bar for status messages (saved, connected, disconnected, errors)
+- **Notifications** - Animated notification bar for status messages
 - **VTE terminal** - Full terminal emulation with 256 color support
 - **Resizable pty** - Terminal auto-resizes the remote pty on window resize
 - **System integration** - `.desktop` file and icon for application menu entry
@@ -63,11 +64,25 @@ SSH keys are stored in:
 ## Usage
 
 1. Start the application: `x3-ssh`
-2. **Server Sidebar**: Saved servers appear in the left sidebar. Double-click to connect.
+2. **Server Sidebar**: Saved servers appear in the left sidebar
+   - **Double-click** to connect
+   - **Right-click** for context menu (Connect / Edit / Delete)
+   - Click `+` to add a new server
 3. **Quick Connect**: Enter host, user, and port in the toolbar, click "Connect"
-4. **Add Server**: Click the `+` button in the sidebar header, or use the "Add Server" dialog
-5. **SSH Keys**: Click "Keys" in the toolbar to generate or import SSH keys
-6. **Tabs**: Click "+ Tab" for a new empty tab, "Close Tab" to close the current one
+4. **SSH Keys**: Click "Keys" in the toolbar to generate or import SSH keys
+5. **Tabs**: Click "+ Tab" for a new empty tab, "Close Tab" to close the current one
+
+## Server Dialog Fields
+
+| Field | Description |
+|-------|-------------|
+| Name | Display name for the server |
+| Host | Hostname or IP address |
+| User | SSH username |
+| Port | SSH port (default: 22) |
+| Password | Optional, can be saved |
+| Save password | Checkbox to store password in config |
+| SSH Key | Optional key for public key authentication |
 
 ## Notifications
 
@@ -90,7 +105,7 @@ Notifications auto-hide after 4 seconds.
 │ [Server▼] [host___] [user___] [port] [Connect] ...│
 ├───────────┬────────────────────────────────────────┤
 │ Servers   │ [Tab: MyServer] [Tab: Prod] [+]        │
-│ ─────── │                                        │
+│ +─────── │                                        │
 │ MyServer  │  user@host:~$                         │
 │ root@h:22 │                                        │
 │           │                                        │
@@ -101,6 +116,15 @@ Notifications auto-hide after 4 seconds.
 └────────────────────────────────────────────────────┘
 ```
 
+Right-click on a server in the sidebar:
+```
+┌──────────┐
+│ Connect  │
+│ Edit     │
+│ Delete   │
+└──────────┘
+```
+
 ## License
 
 MIT