feat: sort completions in completions_raw_read_only method

aider/commands.py

@@ -603,26 +603,40 @@ class Commands:
         # Adjust the start_position to replace all of 'after_command'
         adjusted_start_position = -len(after_command)
 
+        # Collect all completions
+        all_completions = []
+
         # Iterate over the completions and modify them
         for completion in path_completer.get_completions(new_document, complete_event):
             quoted_text = self.quote_fname(after_command + completion.text)
-            yield Completion(
+            all_completions.append(
+                Completion(
                     text=quoted_text,
                     start_position=adjusted_start_position,
                     display=completion.display,
                     style=completion.style,
                     selected_style=completion.selected_style,
                 )
+            )
 
         # Add completions from the 'add' command
         add_completions = self.completions_add()
         for completion in add_completions:
             if after_command in completion:
-                yield Completion(
+                all_completions.append(
+                    Completion(
                         text=completion,
                         start_position=adjusted_start_position,
                         display=completion,
                     )
+                )
+
+        # Sort all completions based on their text
+        sorted_completions = sorted(all_completions, key=lambda c: c.text)
+
+        # Yield the sorted completions
+        for completion in sorted_completions:
+            yield completion
 
     def completions_add(self):
         files = set(self.coder.get_all_relative_files())