verification.rs

// SPDX-License-Identifier: MPL-2.0
// Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
//! Verification Stubs
//!
//! Placeholder for future Lean 4 runtime verification layer.
//! Currently returns Ok(()) for all operations — verification is
//! done via the 28 correspondence tests, not at runtime.
//!
//! When a mechanized Lean -> Rust extraction pipeline exists,
//! this module will call verified precondition checks before
//! executing POSIX operations.

use anyhow::Result;

/// Verify mkdir preconditions (stub — always succeeds)
pub fn verify_mkdir(_root: &str, _path: &str) -> Result<()> {
    Ok(())
}

/// Verify rmdir preconditions (stub — always succeeds)
pub fn verify_rmdir(_root: &str, _path: &str) -> Result<()> {
    Ok(())
}

/// Verify file creation preconditions (stub — always succeeds)
pub fn verify_create_file(_root: &str, _path: &str) -> Result<()> {
    Ok(())
}

/// Verify file deletion preconditions (stub — always succeeds)
pub fn verify_delete_file(_root: &str, _path: &str) -> Result<()> {
    Ok(())
}

/// Verify file copy preconditions (stub — always succeeds)
pub fn verify_copy_file(_root: &str, _src: &str, _dst: &str) -> Result<()> {
    Ok(())
}

/// Verify move/rename preconditions (stub — always succeeds)
pub fn verify_move(_root: &str, _src: &str, _dst: &str) -> Result<()> {
    Ok(())
}

/// Verify symlink creation preconditions (stub — always succeeds)
pub fn verify_symlink(_root: &str, _target: &str, _link: &str) -> Result<()> {
    Ok(())
}