feat: add multi-tab terminal with SSH support, config editing, and dashboard redesign

- Terminal: multi-tab sessions, SSH connections, shell detection (zsh/bash/fish/wsl/powershell)
- Config: inline profile & provider editing, system update management
- Dashboard: grid layout with inline tools/notifications/workflows sections
- Add lucide-react icons, i18n keys (FR/EN), and new CSS components

💾 Generated with Crush

Assisted-by: GLM-5-Turbo via Crush <crush@charm.land>

internal/config/config.go

@@ -41,6 +41,15 @@ type ToolConfig struct {
 	AutoUpdate bool  `yaml:"auto_update"`
 }
 
+type SSHConnection struct {
+	Name     string `yaml:"name"`
+	Host     string `yaml:"host"`
+	Port     int    `yaml:"port"`
+	User     string `yaml:"user"`
+	Password string `yaml:"password,omitempty"`
+	KeyPath  string `yaml:"key_path,omitempty"`
+}
+
 type MuyueConfig struct {
 	Version   string               `yaml:"version"`
 	Profile   Profile              `yaml:"profile"`
@@ -54,8 +63,9 @@ type MuyueConfig struct {
 		Global    bool   `yaml:"global"`
 	} `yaml:"bmad"`
 	Terminal struct {
-		CustomPrompt bool   `yaml:"custom_prompt"`
-		PromptTheme  string `yaml:"prompt_theme"`
+		CustomPrompt bool            `yaml:"custom_prompt"`
+		PromptTheme  string          `yaml:"prompt_theme"`
+		SSH          []SSHConnection `yaml:"ssh"`
 	} `yaml:"terminal"`
 }