Meaningful Doc Comments

// Copyright 2025 Google LLC
// SPDX-License-Identifier: Apache-2.0

/// API for the client // ❌ Lacks detail
pub mod client {}

/// Function from A to B // ❌ Redundant
fn a_to_b(a: A) -> B {...}
 
/// Connects to the database. // ❌ Lacks detail
fn connect() -> Result<(), Error> {...}