Apply standard Go formatting and update project documentation

- Run go fmt on all Go files to ensure consistent formatting
- Add official Go tooling commands to CLAUDE.md for code quality
- Update project status to reflect current implementation state

archiver/zip.go

@@ -6,7 +6,7 @@ import (
 	"io"
 	"os"
 	"path/filepath"
-	
+
 	"github.com/atomaka/collect/collector"
 )
 
@@ -26,18 +26,18 @@ func (a *ZipArchiver) Create(outputPath string, files []collector.FileEntry) err
 		return fmt.Errorf("failed to create output file: %w", err)
 	}
 	defer outFile.Close()
-	
+
 	// Create zip writer
 	zipWriter := zip.NewWriter(outFile)
 	defer zipWriter.Close()
-	
+
 	// Add each file to the archive
 	for _, file := range files {
 		if err := a.addFileToZip(zipWriter, file); err != nil {
 			return fmt.Errorf("failed to add file %s: %w", file.Path, err)
 		}
 	}
-	
+
 	return nil
 }
 
@@ -54,32 +54,32 @@ func (a *ZipArchiver) addFileToZip(zw *zip.Writer, file collector.FileEntry) err
 		return err
 	}
 	defer f.Close()
-	
+
 	// Get file info
 	info, err := f.Stat()
 	if err != nil {
 		return err
 	}
-	
+
 	// Create zip file header
 	header, err := zip.FileInfoHeader(info)
 	if err != nil {
 		return err
 	}
-	
+
 	// Use the relative path in the archive
 	header.Name = filepath.ToSlash(file.Path)
-	
+
 	// Set compression method
 	header.Method = zip.Deflate
-	
+
 	// Create writer for this file
 	writer, err := zw.CreateHeader(header)
 	if err != nil {
 		return err
 	}
-	
+
 	// Copy file contents
 	_, err = io.Copy(writer, f)
 	return err
-}
+}