fix: update output file paths for report and Excel generation

- Changed the output path for the test report and Excel file to the 'output' directory.
- Added directory creation for the output path if it does not exist.

Author: HenryLok0

src/main.rs

@@ -811,7 +811,8 @@ fn run_all_tests() -> Result<()> {
         ("multi", vec!["--multi", "src", "."])
     ];
 
-    let mut report_file = File::create("codestate_runall_report.txt")?;
+    let _ = std::fs::create_dir_all("output");
+    let mut report_file = File::create("output/codestate_runall_report.txt")?;
     writeln!(report_file, "CodeState --runall Test Report\n")?;
 
     // Try to get the current executable path, fallback to "codestate"
@@ -878,7 +879,7 @@ fn run_all_tests() -> Result<()> {
     println!("Failed:       {}", fail_count);
     println!("Success Rate: {:.2}%", success_rate);
     println!("Time taken:   {:?}", test_elapsed);
-    println!("Details saved to codestate_runall_report.txt");
+    println!("Details saved to output/codestate_runall_report.txt");
 
     if fail_count > 0 {
         println!("\nFailed Tests:");

src/visualizer.rs

@@ -1080,7 +1080,10 @@ pub fn generate_excel(stats: &HashMap<String, ExtStats>, details: Option<&[Unifi
         }
     }
 
-    let path = output.map(|s| s.as_str()).unwrap_or("codestate_report.xlsx");
+    let path = output.map(|s| s.as_str()).unwrap_or("output/codestate_report.xlsx");
+    if let Some(parent) = std::path::Path::new(path).parent() {
+        let _ = std::fs::create_dir_all(parent);
+    }
     if let Err(e) = workbook.save(path) {
         eprintln!("! Failed to write Excel file {}: {}", path, e);
     } else {