missing doco for command_prefix

[ErichBSchulz]

we have an new feature (thanks Dustin!)

It needs documentation in ?? in the vannilla config file? (this may be one of many new settings in this category??)

erich@erich-nuc:~/cecli$ rg command_prefix . -C 10
./aider/coders/base_coder.py
3887-
3888-        If the command prefix contains a {} placeholder, replace it with the command.
3889-        Otherwise, append the command to the prefix with a space.
3890-
3891-        Args:
3892-            command (str): The command to format
3893-
3894-        Returns:
3895-            str: The formatted command
3896-        """
3897:        command_prefix = None
3898-
3899:        if command and getattr(self.args, "command_prefix", None):
3900:            command_prefix = getattr(self.args, "command_prefix", None)
3901-
3902:        if not command_prefix:
3903-            return command
3904-
3905-        # Check if the prefix contains a {} placeholder
3906:        if "{}" in command_prefix:
3907-            # Replace the {} placeholder with the command
3908:            return command_prefix.replace("{}", command)
3909-        else:
3910-            # Append the command to the prefix with a space
3911:            return f"{command_prefix} {command}"

./aider/commands.py
2297-        """Return currently loaded skill names for completion"""
2298-        if not hasattr(self.coder, "skills_manager") or self.coder.skills_manager is None:
2299-            return []
2300-
2301-        try:
2302-            skills = self.coder.skills_manager.find_skills()
2303-            return [skill.name for skill in skills]
2304-        except Exception:
2305-            return []
2306-
2307:    def cmd_command_prefix(self, args=""):
2308-        """Change Command Prefix For All Running Commands"""
2309-        if not args.strip():
2310:            setattr(self.coder.args, "command_prefix", "")
2311-
2312:        setattr(self.coder.args, "command_prefix", args.strip())
2313-
2314-    def cmd_copy_context(self, args=None):
2315-        """Copy the current chat context as markdown, suitable to paste into a web UI"""
2316-
2317-        chunks = self.coder.format_chat_chunks()
2318-
2319-        markdown = ""
2320-
2321-        # Only include specified chunks in order
2322-        for messages in [chunks.repo, chunks.readonly_files, chunks.chat_files]: