diff --git a/internal/app/global_proxy.go b/internal/app/global_proxy.go
index 016fb26..ffb5b35 100644
--- a/internal/app/global_proxy.go
+++ b/internal/app/global_proxy.go
@@ -123,11 +123,26 @@ func proxyConfigEqual(a, b connection.ProxyConfig) bool {
 		a.Password == b.Password
 }
 
+func currentGlobalProxyView() connection.GlobalProxyView {
+	snapshot := currentGlobalProxyConfig()
+	if !snapshot.Enabled {
+		return connection.GlobalProxyView{Enabled: false}
+	}
+	return connection.GlobalProxyView{
+		Enabled:     true,
+		Type:        snapshot.Proxy.Type,
+		Host:        snapshot.Proxy.Host,
+		Port:        snapshot.Proxy.Port,
+		User:        snapshot.Proxy.User,
+		HasPassword: strings.TrimSpace(snapshot.Proxy.Password) != "",
+	}
+}
+
 func (a *App) GetGlobalProxyConfig() connection.QueryResult {
 	return connection.QueryResult{
 		Success: true,
 		Message: "OK",
-		Data:    currentGlobalProxyConfig(),
+		Data:    currentGlobalProxyView(),
 	}
 }
 
@@ -312,3 +327,4 @@ func buildProxyURLFromConfig(proxyConfig connection.ProxyConfig) (*url.URL, erro
 	}
 	return proxyURL, nil
 }
+
diff --git a/internal/app/methods_saved_connections.go b/internal/app/methods_saved_connections.go
new file mode 100644
index 0000000..d8d916d
--- /dev/null
+++ b/internal/app/methods_saved_connections.go
@@ -0,0 +1,44 @@
+package app
+
+import "GoNavi-Wails/internal/connection"
+
+func (a *App) savedConnectionRepository() *savedConnectionRepository {
+	return newSavedConnectionRepository(a.configDir, a.secretStore)
+}
+
+func (a *App) GetSavedConnections() ([]connection.SavedConnectionView, error) {
+	return a.savedConnectionRepository().List()
+}
+
+func (a *App) SaveConnection(input connection.SavedConnectionInput) (connection.SavedConnectionView, error) {
+	return a.savedConnectionRepository().Save(input)
+}
+
+func (a *App) DeleteConnection(id string) error {
+	return a.savedConnectionRepository().Delete(id)
+}
+
+func (a *App) DuplicateConnection(id string) (connection.SavedConnectionView, error) {
+	return a.savedConnectionRepository().Duplicate(id)
+}
+
+func (a *App) ImportLegacyConnections(items []connection.LegacySavedConnection) ([]connection.SavedConnectionView, error) {
+	result := make([]connection.SavedConnectionView, 0, len(items))
+	repo := a.savedConnectionRepository()
+	for _, item := range items {
+		view, err := repo.Save(connection.SavedConnectionInput(item))
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, view)
+	}
+	return result, nil
+}
+
+func (a *App) SaveGlobalProxy(input connection.SaveGlobalProxyInput) (connection.GlobalProxyView, error) {
+	return a.saveGlobalProxy(input)
+}
+
+func (a *App) ImportLegacyGlobalProxy(input connection.LegacyGlobalProxyInput) (connection.GlobalProxyView, error) {
+	return a.saveGlobalProxy(connection.SaveGlobalProxyInput(input))
+}
diff --git a/internal/app/methods_saved_connections_test.go b/internal/app/methods_saved_connections_test.go
new file mode 100644
index 0000000..4b117cc
--- /dev/null
+++ b/internal/app/methods_saved_connections_test.go
@@ -0,0 +1,94 @@
+package app
+
+import (
+	"testing"
+
+	"GoNavi-Wails/internal/connection"
+)
+
+func TestSaveConnectionMethodReturnsSecretlessView(t *testing.T) {
+	app := NewAppWithSecretStore(newFakeAppSecretStore())
+	app.configDir = t.TempDir()
+
+	result, err := app.SaveConnection(connection.SavedConnectionInput{
+		ID:   "conn-1",
+		Name: "Primary",
+		Config: connection.ConnectionConfig{
+			ID:       "conn-1",
+			Type:     "postgres",
+			Host:     "db.local",
+			Port:     5432,
+			User:     "postgres",
+			Password: "postgres-secret",
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.Config.Password != "" {
+		t.Fatal("SaveConnection must not return plaintext password")
+	}
+	if !result.HasPrimaryPassword {
+		t.Fatal("expected HasPrimaryPassword=true")
+	}
+}
+
+func TestDuplicateConnectionClonesSecretBundle(t *testing.T) {
+	app := NewAppWithSecretStore(newFakeAppSecretStore())
+	app.configDir = t.TempDir()
+
+	_, err := app.SaveConnection(connection.SavedConnectionInput{
+		ID:   "conn-1",
+		Name: "Primary",
+		Config: connection.ConnectionConfig{
+			ID:       "conn-1",
+			Type:     "postgres",
+			Host:     "db.local",
+			Port:     5432,
+			User:     "postgres",
+			Password: "postgres-secret",
+		},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	duplicate, err := app.DuplicateConnection("conn-1")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if duplicate.ID == "conn-1" {
+		t.Fatal("duplicate should have a new id")
+	}
+
+	resolved, err := app.resolveConnectionSecrets(duplicate.Config)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if resolved.Password != "postgres-secret" {
+		t.Fatalf("expected duplicated secret bundle, got %q", resolved.Password)
+	}
+}
+
+func TestSaveGlobalProxyReturnsSecretlessView(t *testing.T) {
+	app := NewAppWithSecretStore(newFakeAppSecretStore())
+	app.configDir = t.TempDir()
+
+	view, err := app.SaveGlobalProxy(connection.SaveGlobalProxyInput{
+		Enabled:  true,
+		Type:     "http",
+		Host:     "127.0.0.1",
+		Port:     8080,
+		User:     "ops",
+		Password: "proxy-secret",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if view.Password != "" {
+		t.Fatal("global proxy view must not expose plaintext password")
+	}
+	if !view.HasPassword {
+		t.Fatal("expected hasPassword=true")
+	}
+}