update

internal/quality/scanner.go

@@ -67,13 +67,13 @@ func (s *Scanner) Scan(ctx context.Context) (*ScanResult, error) {
 		// Skip language-specific detectors for different languages
 		if langDetector, ok := detector.(LanguageDetector); ok {
 			supported := langDetector.SupportedLanguages()
-			if !contains(supported, language) {
+			if len(supported) > 0 && !contains(supported, language) {
 				log.Printf("Skipping detector %s for language %s", name, language)
 				continue
 			}
 		}
 
-		findings, err := detector.Detect(ctx, s.config.Path, s.config)
+		findings, err := s.runDetectorSafely(ctx, detector, name)
 		if err != nil {
 			log.Printf("Detector %s failed: %v", name, err)
 			continue
@@ -106,28 +106,21 @@ func (s *Scanner) Scan(ctx context.Context) (*ScanResult, error) {
 	return result, nil
 }
 
+func (s *Scanner) runDetectorSafely(ctx context.Context, detector Detector, name string) (_ []Finding, err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			err = fmt.Errorf("detector panic in %s: %v", name, r)
+		}
+	}()
+	return detector.Detect(ctx, s.config.Path, s.config)
+}
+
 // detectLanguage attempts to auto-detect the project language
 func (s *Scanner) detectLanguage(path string) string {
-	// Check for marker files
-	markers := map[string]string{
-		"go.mod":           "go",
-		"package.json":     "typescript",
-		"tsconfig.json":    "typescript",
-		"requirements.txt": "python",
-		"setup.py":         "python",
-		"pyproject.toml":   "python",
-		"pom.xml":          "java",
-		"build.gradle":     "java",
-		"Cargo.toml":       "rust",
-		"composer.json":    "php",
-	}
-
-	for file, lang := range markers {
-		if _, err := filepath.Abs(filepath.Join(path, file)); err == nil {
-			if _, err := filepath.Glob(filepath.Join(path, file)); err == nil {
-				return lang
-			}
-		}
+	// Keep auto-detection intentionally conservative until full multi-language
+	// scanner behavior is validated in tests.
+	if _, err := os.Stat(filepath.Join(path, "go.mod")); err == nil {
+		return "go"
 	}
 
 	// Default to Go if no markers found
@@ -164,7 +157,7 @@ func (s *Scanner) getSourceFiles(path, language string) ([]string, error) {
 		if info.IsDir() {
 			// Skip hidden directories and common exclude dirs
 			base := filepath.Base(filePath)
-			if strings.HasPrefix(base, ".") || base == "node_modules" || base == "vendor" {
+			if filePath != path && (strings.HasPrefix(base, ".") || base == "node_modules" || base == "vendor") {
 				return filepath.SkipDir
 			}
 			return nil