Function remove_prefixed

atomic-agent/src/hooks/manifest.rs:317–342

Remove hook entries whose command contains `prefix`. Handles both nested (`{matcher?, hooks: [{command}]}`) and flat (`{command}`/`{bash}`) shapes. Empty groups and empty event arrays are pruned. Returns commands removed.

(hooks: &mut Map<String, Value>, prefix: &str)

/// (`{matcher?, hooks: [{command}]}`) and flat (`{command}`/`{bash}`) shapes.
/// Empty groups and empty event arrays are pruned. Returns commands removed.
fn remove_prefixed(hooks: &mut Map<String, Value>, prefix: &str) -> usize {
    let mut removed = 0;
    for value in hooks.values_mut() {
        let Some(entries) = value.as_array_mut() else {
            continue;
        };
        entries.retain_mut(|entry| {
            // Nested shape: a group with an inner `hooks` array.
            if let Some(inner) = entry.get_mut("hooks").and_then(Value::as_array_mut) {
                let before = inner.len();
                inner.retain(|hook| !entry_command_contains(hook, prefix));
                removed += before - inner.len();
                return !inner.is_empty();
            }
            // Flat shape: the entry itself carries the command.
            if entry_command_contains(entry, prefix) {
                removed += 1;
                return false;
            }
            true
        });
    }
    // Drop event keys whose entry array is now empty.
    hooks.retain(|_, v| v.as_array().map(|a| !a.is_empty()).unwrap_or(true));
    removed
}

/// Count the hook commands carried by a single entry (nested or flat).
fn count_commands(entry: &Value) -> usize {