v0.0.81

• Added HTTP handling module with SSL and proxy support, and a get_url helper
  that merges headers, passes cache, debug, and reraise flags.
• Introduced a lightweight PathCompleter utility for expanding relative and
  home directory paths, integrated into chat command completion.
• Enhanced tool call results to include duration metrics, recording start time
  and storing size and duration for each tool call.
• Updated Reline command completion to support ./ file path completions,
  offering completions only when the user starts with ./.
• Added user name to runtime information and prompts, exposing the chat user’s
  name via OC::USER and updating default prompts accordingly.