fix: creation and listing order

src/utils/misc.py

@@ -17,10 +17,15 @@ def post_file_id(filename: str) -> int:
 
 def get_posts() -> list[str]:
     """get posts list"""
-    return [
+    posts = [
         os_path.join(Config.data_dir, basename) for basename in listdir(Config.data_dir)
     ]
 
+    # sort from new to old
+    posts.sort(key=post_file_id, reverse=True)
+
+    return posts
+
 
 def get_post(filename: str) -> str | None:
     """get a post"""
@@ -51,7 +56,7 @@ def fresh_file_id() -> int:
     # use the latest file as the reference and increment the ID
     filename = 0
     if len(paths) > filename:
-        chosen = max(iter(paths), key=os_path.getmtime)
+        chosen = max(iter(paths), key=post_file_id)
 
         # add 1 to the chosen id
         filename = post_file_id(chosen) + 1