feat(writer): 🎉 Add filename sanitization for DBML identifiers

* Implement SanitizeFilename function to clean identifiers
* Remove quotes, comments, and invalid characters from filenames
* Update filename generation in writers to use sanitized names

pkg/readers/dbml/reader.go

@@ -128,9 +128,19 @@ func (r *Reader) readDirectoryDBML(dirPath string) (*models.Database, error) {
 	return db, nil
 }
 
-// stripQuotes removes surrounding quotes from an identifier
+// stripQuotes removes surrounding quotes and comments from an identifier
 func stripQuotes(s string) string {
 	s = strings.TrimSpace(s)
+
+	// Remove DBML comments in brackets (e.g., [note: 'description'])
+	// This handles inline comments like: "table_name" [note: 'comment']
+	commentRegex := regexp.MustCompile(`\s*\[.*?\]\s*`)
+	s = commentRegex.ReplaceAllString(s, "")
+
+	// Trim again after removing comments
+	s = strings.TrimSpace(s)
+
+	// Remove surrounding quotes (double or single)
 	if len(s) >= 2 && ((s[0] == '"' && s[len(s)-1] == '"') || (s[0] == '\'' && s[len(s)-1] == '\'')) {
 		return s[1 : len(s)-1]
 	}