fix: remove syntax highlighting labels from code blocks

- Remove language identifiers from code blocks (e.g., ```go becomes ```)
- Remove extractLanguageForHighlighting function as it's no longer needed
- Keep the language info in the description line above the code block

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

1 files changed, 1 insertions, 59 deletions

diff --git a/internal/showcase/showcase.go b/internal/showcase/showcase.go
index 40d5d58..0bce7ee 100644
--- a/internal/showcase/showcase.go
+++ b/internal/showcase/showcase.go
@@ -493,9 +493,7 @@ func (g *Generator) formatGemtext(summaries []ProjectSummary) string {
 		
 		// Add code snippet at the end for all projects
 		if summary.CodeSnippet != "" {
-			// Extract the language name for syntax highlighting
-			languageName := extractLanguageForHighlighting(summary.CodeLanguage)
-			builder.WriteString(fmt.Sprintf("\n%s:\n\n```%s\n%s\n```\n", summary.CodeLanguage, languageName, summary.CodeSnippet))
+			builder.WriteString(fmt.Sprintf("\n%s:\n\n```\n%s\n```\n", summary.CodeLanguage, summary.CodeSnippet))
 		}
 	}
 
@@ -719,59 +717,3 @@ func detectAIUsage(repoPath string) bool {
 	return false
 }
 
-// extractLanguageForHighlighting extracts the language name from the CodeLanguage string
-// for syntax highlighting in code blocks
-func extractLanguageForHighlighting(codeLanguage string) string {
-	// codeLanguage format: "Language from `path/to/file`"
-	// Extract just the language name
-	parts := strings.Split(codeLanguage, " ")
-	if len(parts) > 0 {
-		lang := strings.ToLower(parts[0])
-		
-		// Map language names to syntax highlighting identifiers
-		// Based on source-highlight --lang-list output
-		languageMap := map[string]string{
-			"go":           "go",
-			"python":       "python",
-			"javascript":   "javascript",
-			"typescript":   "javascript", // Use javascript for TypeScript
-			"java":         "java",
-			"c":            "c",
-			"c++":          "cpp",
-			"c/c++":        "cpp",
-			"c#":           "csharp",
-			"ruby":         "ruby",
-			"rust":         "rust",
-			"shell":        "sh",  // source-highlight uses sh.lang
-			"bash":         "bash",
-			"perl":         "perl",
-			"raku":         "perl",  // Use perl highlighting for Raku
-			"php":          "php",
-			"swift":        "swift",
-			"kotlin":       "java", // Use java highlighting for Kotlin
-			"haskell":      "haskell",
-			"lua":          "lua",
-			"html":         "html",
-			"css":          "css",
-			"sql":          "sql",
-			"make":         "makefile",
-			"docker":       "dockerfile",
-			"yaml":         "yaml",
-			"json":         "json",
-			"xml":          "xml",
-			"toml":         "toml",
-			"hcl":          "hcl",
-			"vim":          "vim",
-			"awk":          "awk",
-		}
-		
-		if mapped, ok := languageMap[lang]; ok {
-			return mapped
-		}
-		
-		// Return the original language name if no mapping exists
-		return lang
-	}
-	
-	return ""
-}
\ No newline at end of file