//! Adversarial tests for envseal — simulating attacker scenarios.
/// Injection attack tests (path traversal, null bytes).
/// Malformed input tests (corrupted files, wrong keys).
/// Resource exhaustion tests.
/// Environment guard tests (LD_PRELOAD, sanitization).
/// Binary integrity verification tests.
/// Relay URL and response contract tests.
/// Top-level adversarial scenarios that don't fit into one of the
/// category subdirectories.