Function delete_custom_agent

src/apps/desktop/src/api/custom_agent_api.rs:350–427

(
    state: State<'_, AppState>,
    request: DeleteCustomAgentRequest,
)

#[tauri::command]
pub async fn delete_custom_agent(
    state: State<'_, AppState>,
    request: DeleteCustomAgentRequest,
) -> Result<(), String> {
    let agent_id = request.agent_id;

    if let Some(path) = state
        .agent_registry
        .remove_custom_agent(&agent_id)
        .map_err(|error| error.to_string())?
    {
        if let Err(error) = std::fs::remove_file(&path) {
            warn!(
                "Failed to delete custom agent file: path={}, error={}",
                path, error
            );
        }
    }

    let config_service = &state.config_service;

    let mut agent_models: HashMap<String, String> = config_service
        .get_config(Some("ai.agent_models"))
        .await
        .unwrap_or_default();
    if agent_models.remove(&agent_id).is_some() {
        if let Err(error) = config_service
            .set_config("ai.agent_models", &agent_models)
            .await
        {
            warn!(
                "Failed to clean up ai.agent_models after custom agent deletion: agent_id={}, error={}",
                agent_id, error
            );
        }
    }

    let mut agent_profiles: serde_json::Map<String, serde_json::Value> = config_service
        .get_config(Some("ai.agent_profiles"))
        .await
        .unwrap_or_default();
    if agent_profiles.remove(&agent_id).is_some() {
        if let Err(error) = config_service
            .set_config("ai.agent_profiles", &agent_profiles)
            .await
        {
            warn!(
                "Failed to clean up ai.agent_profiles after custom agent deletion: agent_id={}, error={}",
                agent_id, error
            );
        }
    }

    let default_mode_id: Option<String> = config_service
        .get_config(Some("app.flow_chat.default_mode_id"))
        .await
        .unwrap_or_default();
    if default_mode_id.as_deref() == Some(agent_id.as_str()) {