Function fetch_arch_mirrors 

pub async fn fetch_arch_mirrors(
    client: &Client,
    limits: MirrorDiscoveryLimits,
) -> Result<Vec<MirrorInfo>>

What: Fetch Arch’s standard mirror-status endpoint with caller-owned transport policy.

Inputs:

• client: Caller-provided reqwest client controlling timeout, proxy, TLS, redirect, and user-agent policy.
• limits: Explicit response and result bounds for this request.

Output:

• Valid mirror rows accepted from the standard Arch mirror-status schema.

Details:

• Delegates to fetch_mirrors_from and does not create its own client or execute any system command.
• Callers needing another source can supply it directly with fetch_mirrors_from.

Errors

Returns an error for invalid limits, failed requests, non-success statuses, oversized or invalid JSON bodies, and malformed root schema.