feat(viewer): couverture pretty print tous langages code (aliases hljs, langues hors bundle common, Dockerfile/Makefile)

backend/main.py

@@ -1506,7 +1506,14 @@ EXT_TO_LANG = {
     ".cs": "csharp", ".go": "go", ".rs": "rust", ".rb": "ruby",
     ".php": "php", ".sql": "sql", ".r": "r", ".swift": "swift",
     ".kt": "kotlin", ".txt": "plaintext", ".log": "plaintext",
-    ".dockerfile": "dockerfile", ".makefile": "makefile", ".cmake": "cmake",
+    ".lua": "lua", ".pl": "perl", ".pm": "perl", ".ex": "elixir", ".exs": "elixir",
+    ".dart": "dart", ".tf": "haskell", ".gradle": "groovy", ".groovy": "groovy",
+    ".graphql": "graphql", ".gql": "graphql", ".prisma": "sql", ".proto": "c",
+    ".vb": "basic", ".asm": "x86asm", ".s": "armasm",
+    ".vue": "xml", ".svelte": "xml", ".astro": "xml",
+    ".properties": "ini", ".service": "ini", ".hosts": "ini",
+    ".ksh": "bash", ".dockerfile": "dockerfile",
+    ".makefile": "makefile", ".cmake": "cmake",
 }
 
 
@@ -2500,7 +2507,17 @@ async def api_file(vault_name: str, path: str = Query(..., description="Relative
         }
     else:
         # Non-markdown: wrap in syntax-highlighted code block
-        lang = EXT_TO_LANG.get(ext, "plaintext")
+        lang = EXT_TO_LANG.get(ext, "")
+        if not lang:
+            # Fichiers sans extension usuels (Dockerfile, Makefile, etc.)
+            NAME_TO_LANG = {
+                "dockerfile": "dockerfile", "makefile": "makefile",
+                "cmakelists.txt": "cmake", "jenkinsfile": "groovy",
+                "vagrantfile": "ruby", "rakefile": "ruby", "gemfile": "ruby",
+                "procfile": "plaintext", "bashrc": "bash", "bash_profile": "bash",
+                "zshrc": "bash", "profile": "bash", "gitignore": "plaintext",
+            }
+            lang = NAME_TO_LANG.get(file_path.name.lower(), "plaintext")
         escaped = html_mod.escape(raw)
         html_content = f'<pre><code class="language-{lang}">{escaped}</code></pre>'