use crate::{AgentServer, AgentServerDelegate, load_proxy_env};use acp_thread::AgentConnection;use agent_client_protocol as acp;use anyhow::{Context as _, Result};use collections::HashSet;use fs::Fs;use gpui::{App, AppContext as _, Entity, Task};use language_model::{ApiKey, EnvVar};use project::{    Project,    agent_server_store::{AgentId, AllAgentServersSettings},};use settings::{SettingsStore, update_settings_file};use std::{rc::Rc, sync::Arc};use ui::IconName; pub const GEMINI_ID: &str = "gemini";pub const CLAUDE_AGENT_ID: &str = "claude-acp";pub const CODEX_ID: &str = "codex-acp"; /// A generic agent server implementation for custom user-defined agentspub struct CustomAgentServer {    agent_id: AgentId,} impl CustomAgentServer {    pub fn new(agent_id: AgentId) -> Self {        Self { agent_id }    }} impl AgentServer for CustomAgentServer {    fn agent_id(&self) -> AgentId {        self.agent_id.clone()    }     fn logo(&self) -> IconName {        IconName::Terminal    }     fn default_mode(&self, cx: &App) -> Option<acp::SessionModeId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().0.as_ref())                .cloned()        });         settings            .as_ref()            .and_then(|s| s.default_mode().map(acp::SessionModeId::new))    }     fn favorite_config_option_value_ids(        &self,        config_id: &acp::SessionConfigId,        cx: &mut App,    ) -> HashSet<acp::SessionConfigValueId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().0.as_ref())                .cloned()        });         settings            .as_ref()            .and_then(|s| s.favorite_config_option_values(config_id.0.as_ref()))            .map(|values| {                values                    .iter()                    .cloned()                    .map(acp::SessionConfigValueId::new)                    .collect()            })            .unwrap_or_default()    }     fn toggle_favorite_config_option_value(        &self,        config_id: acp::SessionConfigId,        value_id: acp::SessionConfigValueId,        should_be_favorite: bool,        fs: Arc<dyn Fs>,        cx: &App,    ) {        let agent_id = self.agent_id();        let config_id = config_id.to_string();        let value_id = value_id.to_string();         update_settings_file(fs, cx, move |settings, cx| {            let settings = settings                .agent_servers                .get_or_insert_default()                .entry(agent_id.0.to_string())                .or_insert_with(|| default_settings_for_agent(agent_id, cx));             match settings {                settings::CustomAgentServerSettings::Custom {                    favorite_config_option_values,                    ..                }                | settings::CustomAgentServerSettings::Extension {                    favorite_config_option_values,                    ..                }                | settings::CustomAgentServerSettings::Registry {                    favorite_config_option_values,                    ..                } => {                    let entry = favorite_config_option_values                        .entry(config_id.clone())                        .or_insert_with(Vec::new);                     if should_be_favorite {                        if !entry.iter().any(|v| v == &value_id) {                            entry.push(value_id.clone());                        }                    } else {                        entry.retain(|v| v != &value_id);                        if entry.is_empty() {                            favorite_config_option_values.remove(&config_id);                        }                    }                }            }        });    }     fn set_default_mode(&self, mode_id: Option<acp::SessionModeId>, fs: Arc<dyn Fs>, cx: &mut App) {        let agent_id = self.agent_id();        update_settings_file(fs, cx, move |settings, cx| {            let settings = settings                .agent_servers                .get_or_insert_default()                .entry(agent_id.0.to_string())                .or_insert_with(|| default_settings_for_agent(agent_id, cx));             match settings {                settings::CustomAgentServerSettings::Custom { default_mode, .. }                | settings::CustomAgentServerSettings::Extension { default_mode, .. }                | settings::CustomAgentServerSettings::Registry { default_mode, .. } => {                    *default_mode = mode_id.map(|m| m.to_string());                }            }        });    }     fn default_model(&self, cx: &App) -> Option<acp::ModelId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().as_ref())                .cloned()        });         settings            .as_ref()            .and_then(|s| s.default_model().map(acp::ModelId::new))    }     fn set_default_model(&self, model_id: Option<acp::ModelId>, fs: Arc<dyn Fs>, cx: &mut App) {        let agent_id = self.agent_id();        update_settings_file(fs, cx, move |settings, cx| {            let settings = settings                .agent_servers                .get_or_insert_default()                .entry(agent_id.0.to_string())                .or_insert_with(|| default_settings_for_agent(agent_id, cx));             match settings {                settings::CustomAgentServerSettings::Custom { default_model, .. }                | settings::CustomAgentServerSettings::Extension { default_model, .. }                | settings::CustomAgentServerSettings::Registry { default_model, .. } => {                    *default_model = model_id.map(|m| m.to_string());                }            }        });    }     fn favorite_model_ids(&self, cx: &mut App) -> HashSet<acp::ModelId> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().as_ref())                .cloned()        });         settings            .as_ref()            .map(|s| {                s.favorite_models()                    .iter()                    .map(|id| acp::ModelId::new(id.clone()))                    .collect()            })            .unwrap_or_default()    }     fn toggle_favorite_model(        &self,        model_id: acp::ModelId,        should_be_favorite: bool,        fs: Arc<dyn Fs>,        cx: &App,    ) {        let agent_id = self.agent_id();        update_settings_file(fs, cx, move |settings, cx| {            let settings = settings                .agent_servers                .get_or_insert_default()                .entry(agent_id.0.to_string())                .or_insert_with(|| default_settings_for_agent(agent_id, cx));             let favorite_models = match settings {                settings::CustomAgentServerSettings::Custom {                    favorite_models, ..                }                | settings::CustomAgentServerSettings::Extension {                    favorite_models, ..                }                | settings::CustomAgentServerSettings::Registry {                    favorite_models, ..                } => favorite_models,            };             let model_id_str = model_id.to_string();            if should_be_favorite {                if !favorite_models.contains(&model_id_str) {                    favorite_models.push(model_id_str);                }            } else {                favorite_models.retain(|id| id != &model_id_str);            }        });    }     fn default_config_option(&self, config_id: &str, cx: &App) -> Option<String> {        let settings = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().as_ref())                .cloned()        });         settings            .as_ref()            .and_then(|s| s.default_config_option(config_id).map(|s| s.to_string()))    }     fn set_default_config_option(        &self,        config_id: &str,        value_id: Option<&str>,        fs: Arc<dyn Fs>,        cx: &mut App,    ) {        let agent_id = self.agent_id();        let config_id = config_id.to_string();        let value_id = value_id.map(|s| s.to_string());        update_settings_file(fs, cx, move |settings, cx| {            let settings = settings                .agent_servers                .get_or_insert_default()                .entry(agent_id.0.to_string())                .or_insert_with(|| default_settings_for_agent(agent_id, cx));             match settings {                settings::CustomAgentServerSettings::Custom {                    default_config_options,                    ..                }                | settings::CustomAgentServerSettings::Extension {                    default_config_options,                    ..                }                | settings::CustomAgentServerSettings::Registry {                    default_config_options,                    ..                } => {                    if let Some(value) = value_id.clone() {                        default_config_options.insert(config_id.clone(), value);                    } else {                        default_config_options.remove(&config_id);                    }                }            }        });    }     fn connect(        &self,        delegate: AgentServerDelegate,        project: Entity<Project>,        cx: &mut App,    ) -> Task<Result<Rc<dyn AgentConnection>>> {        let agent_id = self.agent_id();        let default_mode = self.default_mode(cx);        let default_model = self.default_model(cx);        let is_registry_agent = is_registry_agent(agent_id.clone(), cx);        let default_config_options = cx.read_global(|settings: &SettingsStore, _| {            settings                .get::<AllAgentServersSettings>(None)                .get(self.agent_id().as_ref())                .map(|s| match s {                    project::agent_server_store::CustomAgentServerSettings::Custom {                        default_config_options,                        ..                    }                    | project::agent_server_store::CustomAgentServerSettings::Extension {                        default_config_options,                        ..                    }                    | project::agent_server_store::CustomAgentServerSettings::Registry {                        default_config_options,                        ..                    } => default_config_options.clone(),                })                .unwrap_or_default()        });         if is_registry_agent {            if let Some(registry_store) = project::AgentRegistryStore::try_global(cx) {                registry_store.update(cx, |store, cx| store.refresh_if_stale(cx));            }        }         let mut extra_env = load_proxy_env(cx);        if delegate.store.read(cx).no_browser() {            extra_env.insert("NO_BROWSER".to_owned(), "1".to_owned());        }        if is_registry_agent {            match agent_id.as_ref() {                CLAUDE_AGENT_ID => {                    extra_env.insert("ANTHROPIC_API_KEY".into(), "".into());                }                CODEX_ID => {                    if let Ok(api_key) = std::env::var("CODEX_API_KEY") {                        extra_env.insert("CODEX_API_KEY".into(), api_key);                    }                    if let Ok(api_key) = std::env::var("OPEN_AI_API_KEY") {                        extra_env.insert("OPEN_AI_API_KEY".into(), api_key);                    }                }                GEMINI_ID => {                    extra_env.insert("SURFACE".to_owned(), "zed".to_owned());                }                _ => {}            }        }        let store = delegate.store.downgrade();        cx.spawn(async move |cx| {            if is_registry_agent && agent_id.as_ref() == GEMINI_ID {                if let Some(api_key) = cx.update(api_key_for_gemini_cli).await.ok() {                    extra_env.insert("GEMINI_API_KEY".into(), api_key);                }            }            let command = store                .update(cx, |store, cx| {                    let agent = store.get_external_agent(&agent_id).with_context(|| {                        format!("Custom agent server `{}` is not registered", agent_id)                    })?;                    if let Some(new_version_available_tx) = delegate.new_version_available {                        agent.set_new_version_available_tx(new_version_available_tx);                    }                    anyhow::Ok(agent.get_command(vec![], extra_env, &mut cx.to_async()))                })??                .await?;            let connection = crate::acp::connect(                agent_id,                project,                command,                store.clone(),                default_mode,                default_model,                default_config_options,                cx,            )            .await?;            Ok(connection)        })    }     fn into_any(self: Rc<Self>) -> Rc<dyn std::any::Any> {        self    }} fn api_key_for_gemini_cli(cx: &mut App) -> Task<Result<String>> {    let env_var = EnvVar::new("GEMINI_API_KEY".into()).or(EnvVar::new("GOOGLE_AI_API_KEY".into()));    if let Some(key) = env_var.value {        return Task::ready(Ok(key));    }    let credentials_provider = zed_credentials_provider::global(cx);    let api_url = google_ai::API_URL.to_string();    cx.spawn(async move |cx| {        Ok(            ApiKey::load_from_system_keychain(&api_url, credentials_provider.as_ref(), cx)                .await?                .key()                .to_string(),        )    })} fn is_registry_agent(agent_id: impl Into<AgentId>, cx: &App) -> bool {    let agent_id = agent_id.into();    let is_in_registry = project::AgentRegistryStore::try_global(cx)        .map(|store| store.read(cx).agent(&agent_id).is_some())        .unwrap_or(false);    let is_settings_registry = cx.read_global(|settings: &SettingsStore, _| {        settings            .get::<AllAgentServersSettings>(None)            .get(agent_id.as_ref())            .is_some_and(|s| {                matches!(                    s,                    project::agent_server_store::CustomAgentServerSettings::Registry { .. }                )            })    });    is_in_registry || is_settings_registry} fn default_settings_for_agent(    agent_id: impl Into<AgentId>,    cx: &App,) -> settings::CustomAgentServerSettings {    if is_registry_agent(agent_id, cx) {        settings::CustomAgentServerSettings::Registry {            default_model: None,            default_mode: None,            env: Default::default(),            favorite_models: Vec::new(),            default_config_options: Default::default(),            favorite_config_option_values: Default::default(),        }    } else {        settings::CustomAgentServerSettings::Extension {            default_model: None,            default_mode: None,            env: Default::default(),            favorite_models: Vec::new(),            default_config_options: Default::default(),            favorite_config_option_values: Default::default(),        }    }} #[cfg(test)]mod tests {    use super::*;    use collections::HashMap;    use gpui::TestAppContext;    use project::agent_registry_store::{        AgentRegistryStore, RegistryAgent, RegistryAgentMetadata, RegistryNpxAgent,    };    use settings::Settings as _;    use ui::SharedString;     fn init_test(cx: &mut TestAppContext) {        cx.update(|cx| {            let settings_store = SettingsStore::test(cx);            cx.set_global(settings_store);        });    }     fn init_registry_with_agents(cx: &mut TestAppContext, agent_ids: &[&str]) {        let agents: Vec<RegistryAgent> = agent_ids            .iter()            .map(|id| {                let id = SharedString::from(id.to_string());                RegistryAgent::Npx(RegistryNpxAgent {                    metadata: RegistryAgentMetadata {                        id: AgentId::new(id.clone()),                        name: id.clone(),                        description: SharedString::from(""),                        version: SharedString::from("1.0.0"),                        repository: None,                        website: None,                        icon_path: None,                    },                    package: id,                    args: Vec::new(),                    env: HashMap::default(),                })            })            .collect();        cx.update(|cx| {            AgentRegistryStore::init_test_global(cx, agents);        });    }     fn set_agent_server_settings(        cx: &mut TestAppContext,        entries: Vec<(&str, settings::CustomAgentServerSettings)>,    ) {        cx.update(|cx| {            AllAgentServersSettings::override_global(                project::agent_server_store::AllAgentServersSettings(

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