feat: improve local terminal workflows

internal/models/defaults.go

@@ -54,6 +54,7 @@ func DefaultAppPreferences() AppPreferences {
 		DefaultCursorStyle:  DefaultCursorStyle,
 		UseNativePaste:      false,
 		LocalShell:          "", // empty means use system default
+		LeviathanEnabled:    false,
 	}
 }
 

internal/models/defaults_test.go

@@ -0,0 +1,10 @@
+package models
+
+import "testing"
+
+func TestDefaultAppPreferencesHideLeviathan(t *testing.T) {
+	prefs := DefaultAppPreferences()
+	if prefs.LeviathanEnabled {
+		t.Fatal("LeviathanEnabled = true, want false by default")
+	}
+}

internal/models/models.go

@@ -346,6 +346,7 @@ type AppPreferences struct {
 	DefaultCursorStyle  string `json:"defaultCursorStyle"`
 	UseNativePaste      bool   `json:"useNativePaste"`
 	LocalShell          string `json:"localShell"` // path to shell binary for local terminal
+	LeviathanEnabled    bool   `json:"leviathanEnabled"`
 }
 
 // AuditEntry records an auditable action within the application.