feat: composer improvements

backend/browse.py

@@ -264,12 +264,19 @@ async def get_remote_page(hash_hex: str, path: str = Query("index.mu")):
 # ---------------------------------------------------------------------------
 
 def _read_local_page(path: str) -> dict:
+    from converter import execute_dynamic_script
+
     pages_dir = os.environ.get("PAGES_DIR", str(Path.home() / ".nomadnetwork/storage/pages"))
     filepath = Path(pages_dir) / path
-    try:
-        return {"content": filepath.read_text()}
-    except FileNotFoundError:
+    if not filepath.exists():
         return {"content": None, "error": "Page not found"}
+    try:
+        if os.access(filepath, os.X_OK):
+            script = filepath.read_text(encoding="utf-8")
+            return {"content": execute_dynamic_script(script)}
+        return {"content": filepath.read_text()}
+    except Exception as exc:
+        return {"content": None, "error": str(exc)}
 
 
 # ---------------------------------------------------------------------------