config

type SettingsService interface {
	GetSettings() (*model.Settings, error)
	SaveSettings(s *model.Settings) error
	SaveLanguage(language string) error
	SaveTitleGenerationAgent(config *model.AgentRoleConfig) error
	SaveGroupReplyAgent(config *model.AgentRoleConfig) error
	SaveIMSessionAgent(agent *model.IMSessionAgentConfig) error
	SaveACPEnvVars(agentID string, entries []model.ACPEnvVarEntry) (version int64, changed bool, err error)
	StageACPEnvVars(agentID string, entries []model.ACPEnvVarEntry) (int64, error)
	RestoreACPEnvState(agentID string, expectedVersion int64, entries []model.ACPEnvVarEntry, version int64) error
	SaveAgentPrefs(agentID string, prefs model.AgentPrefs) error
	ClearAgentSettings(agentID string) error
	GetACPEnvVars(agentType string) map[string]string
	GetACPEnvVersion(agentType string) int64
	GetLarkConfig() (appID, appSecret string)
	GetLarkIMSenderIDs() (adminSenderID, sophiaSenderID string)
	GetIMConfig() (workspaceID string, agent *model.IMSessionAgentConfig)
	GetGroupReplyAgent() *model.AgentRoleConfig

	// WeChat admin whitelist — populated via scan-to-login + first-contact
	// approval (see doc_wechat_integration.md §5.1). WeChat does not have a
	// bot identity concept comparable to Lark's sophia_sender_id, so there
	// is no matching "GetWeChatBotID" method — group chats are unsupported
	// in WeChat anyway (iLink bot_type=3 is P2P only).
	GetWeChatAdminIDs() []string
	AddWeChatAdminID(id string) error
	RemoveWeChatAdminID(id string) error
}