fix: resolve clippy warnings

- Use .clamp() instead of .max().min() in report generator
- Use .or_default() instead of .or_insert_with(Vec::new)
- Add allow attributes for intentional vulnerabilities in examples
- Remove unused import in analyzer tests

Author: Jonathan D.A. Jewell

Cargo.lock

@@ -5,6 +5,9 @@
 //! This program contains intentional bugs for demonstration purposes.
 //! DO NOT use this code in production!
 
+#![allow(clippy::unnecessary_literal_unwrap)]
+#![allow(static_mut_refs)]
+
 use std::env;
 use std::sync::{Arc, Mutex};
 use std::thread;

examples/vulnerable_program.rs

@@ -58,7 +58,7 @@ impl ReportGenerator {
             * 20.0;
         score -= (xray.statistics.unsafe_blocks as f64) * 5.0;
 
-        score = score.max(0.0).min(100.0);
+        score = score.clamp(0.0, 100.0);
 
         // Identify critical issues
         for result in results {

src/report/generator.rs

@@ -181,7 +181,7 @@ impl SignatureEngine {
             if let Fact::Free { var, location } = fact {
                 free_locations
                     .entry(var.clone())
-                    .or_insert_with(Vec::new)
+                    .or_default()
                     .push(*location);
             }
         }

src/signatures/engine.rs

@@ -5,7 +5,6 @@
 use panic_attacker::types::*;
 use panic_attacker::xray;
 use std::fs;
-use std::path::Path;
 use tempfile::TempDir;
 
 fn create_test_file(dir: &TempDir, name: &str, content: &str) -> std::path::PathBuf {