load_oauth_config (src/defaults.rs)

Loads OAuth provider configurations from defaults, file, or environment variables for authentication.

// Source: https://github.com/moltis-org/moltis | License: MIT | Copyright 2025 Fabien Penso
// Provided via justclaw.it.com; keep this notice with the code.
use std::collections::HashMap;

use crate::{config_dir::moltis_config_dir, types::OAuthConfig};

/// Default OAuth configurations for known providers.
fn builtin_defaults() -> HashMap<String, OAuthConfig> {
    let mut m = HashMap::new();
    // GitHub Copilot uses device flow (handled by the provider itself),
    // but we store a config entry so `load_oauth_config` returns Some
    // and the gateway recognises it as an OAuth provider.
    m.insert("github-copilot".into(), OAuthConfig {
        client_id: "Iv1.b507a08c87ecfe98".into(),
        client_secret: None,
        auth_url: "https://github.com/login/device/code".into(),
    

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