chore: add #![forbid(unsafe_code)] to safe Rust crates

Adds the forbid(unsafe_code) crate-level attribute to all Rust crates
that do not use unsafe code, hardening the safety guarantee at compile
time.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

asdf-acceleration-middleware/crates/asdf-accelerate/src/main.rs

@@ -1,5 +1,6 @@
 //! asdf-accelerate - High-performance CLI for accelerating asdf operations
 
+#![forbid(unsafe_code)]
 mod cli;
 mod commands;
 

asdf-acceleration-middleware/crates/asdf-bench/src/main.rs

@@ -1,5 +1,6 @@
 //! asdf-bench - Benchmarking tool for asdf operations
 
+#![forbid(unsafe_code)]
 use anyhow::Result;
 use asdf_core::Plugin;
 use asdf_metrics::{Metrics, MetricsCollector, MetricsReporter, SystemInfo};

asdf-acceleration-middleware/crates/asdf-cache/src/lib.rs

@@ -5,6 +5,7 @@
 //! - L2: Sled embedded database
 //! - L3: Filesystem cache
 
+#![forbid(unsafe_code)]
 pub mod error;
 pub mod l1;
 pub mod l2;

asdf-acceleration-middleware/crates/asdf-config/src/lib.rs

@@ -1,5 +1,6 @@
 //! Configuration management for asdf-acceleration-middleware
 
+#![forbid(unsafe_code)]
 pub mod error;
 pub mod loader;
 pub mod schema;

asdf-acceleration-middleware/crates/asdf-core/src/lib.rs

@@ -3,6 +3,7 @@
 //! This crate provides the fundamental types and operations for interacting
 //! with asdf, the extendable version manager.
 
+#![forbid(unsafe_code)]
 pub mod error;
 pub mod plugin;
 pub mod runtime;

asdf-acceleration-middleware/crates/asdf-discover/src/main.rs

@@ -1,5 +1,6 @@
 //! asdf-discover - Auto-discovery tool for asdf runtimes
 
+#![forbid(unsafe_code)]
 use anyhow::Result;
 use asdf_core::{Plugin, Runtime};
 use clap::{Parser, Subcommand};

asdf-acceleration-middleware/crates/asdf-metrics/src/lib.rs

@@ -1,5 +1,6 @@
 //! Metrics and monitoring for asdf operations
 
+#![forbid(unsafe_code)]
 pub mod collector;
 pub mod error;
 pub mod reporter;

asdf-acceleration-middleware/crates/asdf-monitor/src/main.rs

@@ -1,5 +1,6 @@
 //! asdf-monitor - Real-time monitoring and metrics dashboard
 
+#![forbid(unsafe_code)]
 use anyhow::Result;
 use asdf_core::Plugin;
 use asdf_metrics::{MetricsCollector, MetricsReporter};

asdf-acceleration-middleware/crates/asdf-parallel/src/lib.rs

@@ -1,5 +1,6 @@
 //! Parallel execution engine for asdf operations using Rayon
 
+#![forbid(unsafe_code)]
 pub mod error;
 pub mod executor;
 pub mod strategy;

asdf-augmenters/asdf-acceleration-middleware/crates/asdf-accelerate/src/main.rs

@@ -1,5 +1,6 @@
 //! asdf-accelerate - High-performance CLI for accelerating asdf operations
 
+#![forbid(unsafe_code)]
 mod cli;
 mod commands;