style: fix code formatting for CI

- Apply consistent formatting to examples
- Fix Error enum formatting in lib.rs
- Format if-else expressions properly

examples/benchmark_single.rs

@@ -1,18 +1,18 @@
+//! Single file benchmark
+
+use crabrl::Parser;
 use std::env;
 use std::fs;
 use std::time::Instant;
-use crabrl::Parser;
 
 fn main() {
     let args: Vec<String> = env::args().collect();
     if args.len() != 2 {
-        eprintln!("Usage: {} <xbrl_file>", args[0]);
+        eprintln!("Usage: {} <xbrl-file>", args[0]);
         std::process::exit(1);
     }
 
-    let filename = &args[1];
-    let content = fs::read_to_string(filename)
-        .expect("Failed to read file");
+    let content = fs::read(&args[1]).expect("Failed to read file");
 
     let parser = Parser::new();
     let start = Instant::now();
@@ -20,11 +20,13 @@ fn main() {
     match parser.parse_bytes(&content) {
         Ok(document) => {
             let elapsed = start.elapsed();
-            println!("Parsed in {:.3}ms: {} facts, {} contexts, {} units",
+            println!(
+                "Parsed in {:.3}ms: {} facts, {} contexts, {} units",
                 elapsed.as_secs_f64() * 1000.0,
                 document.facts.len(),
                 document.contexts.len(),
-                     document.units.len());
+                document.units.len()
+            );
         }
         Err(e) => {
             eprintln!("Parse error: {}", e);

examples/parse.rs

@@ -1,4 +1,4 @@
-//! Basic parsing example
+//! Parse and display XBRL file info
 
 use crabrl::Parser;
 use std::env;
@@ -13,7 +13,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let parser = Parser::new();
     let doc = parser.parse_file(&args[1])?;
 
-    println!("Parsed {} successfully", args[1]);
+    println!("Parsed {}:", args[1]);
     println!("  Facts: {}", doc.facts.len());
     println!("  Contexts: {}", doc.contexts.len());
     println!("  Units: {}", doc.units.len());

src/lib.rs

@@ -56,7 +56,11 @@ impl Validator {
         
         Ok(ValidationResult {
             is_valid,
-            errors: if is_valid { Vec::new() } else { vec!["Validation failed".to_string()] },
+            errors: if is_valid {
+                Vec::new()
+            } else {
+                vec!["Validation failed".to_string()]
+            },
             warnings: Vec::new(),
             stats: ValidationStats {
                 facts_validated: doc.facts.len(),