v0.4.0 — progress edit, command bubbles, late-answer recovery

Grok Telegram Bridge 0.4.0

Brings the public package in line with the maintainer's live bridge after
three days of daily use.

What is new since 0.3.0

• One progress line, edited in place. In the TUI lane, a long turn no
  longer stacks a new Telegram bubble every minute. One status message is
  rewritten as work continues.
• Copy-paste command bubbles. A command the answer wants you to run is
  sent as its own message with Telegram's copy button, not left inside the
  prose.
• Late answers are recovered. A turn that overruns the wait, a bridge
  restart mid-turn, a conversation that rotated underneath, or a compressed
  history file no longer throws away a finished answer that arrived a moment
  later.
• Text no longer brings a leftover photo. A clipboard image was riding
  along with a text paste and showing up as an attachment Grok never asked
  for. That path is stripped.
• /clear and /new rebuild the TUI session. The bridge restarts the
  pane instead of pasting those words into Grok. Confirmation on the phone
  is a short text line, not a large decoration.
• Optional local mirror. Set GRB_TUI_MIRROR_LOCAL=1 if you type into
  the tmux session on the machine and also want those turns on your phone.
  Off by default.

Photos, video, voice, files inbound, suggested-reply split, and the confirm
button remain from 0.2.0 / 0.3.0.

Security

Unchanged. One chat-id check is still the entire defense. Read the README
before installing. Do not share the bot token. Do not add the bot to a group.

Requirements

Python 3, tmux for the terminal lane, and the Grok CLI installed and signed
in. Linux, macOS, or WSL on Windows.

There is still no PyPI package and no setup wizard. Install is git clone
and two environment variables.