Fix accessible output window, revert Tab/Ctrl+Space, sync readme keys

- output_functions.xml: merge NotepadSmartScroll's Win32/Alien-based
  smart-scroll logic in directly (was a separate plugin). Fixed the
  caret-restore bug: gating the restore on scroll position was wrong
  since the notepad tracks near the bottom during normal reading; now
  gated on whether the caret was literally at the end of the old text.
  Added a jump-to-end-on-focus toggle (Ctrl+Alt+J) with a 0.2s polling
  timer to catch focus landing on the output notepad by any means.
- Reverted the Tab/Ctrl+Space rebinding - removed switch_to_output and
  trigger_word_completion along with their accelerators.
- cosmic rage.MCL: dropped the dangling NotepadSmartScroll.xml include
  (file no longer exists, was reintroduced by an auto-save).
- readme.md: documented the actual current CosmicRage.xml keys (several
  had drifted out of sync - Alt+F12 is now stop-sounds not restart,
  Alt+Delete/Ctrl+S/Ctrl+F1-3/Alt+F3/Alt+Shift+H/F11 were undocumented)
  and added the output_functions.xml accessible-output keybindings,
  which weren't documented at all before.

readme.md

@@ -40,7 +40,8 @@ MushClient is a portable client designed specifically for Cosmic Rage. The game
 - **Alt + PageUp**: Scroll buffer up
 - **Alt + End**: Jump to bottom of buffer
 - **Alt + Home**: Jump to top of buffer
-- **Alt + Shift + Delete**: Clear buffer
+- **Alt + Delete**: Clear current buffer
+- **Alt + Shift + Delete**: Clear all buffers
 - **Alt + Shift + Right**: Add buffer
 - **Alt + Shift + Left**: Delete buffer
 
@@ -71,13 +72,39 @@ MushClient is a portable client designed specifically for Cosmic Rage. The game
 - **Ctrl + F9**: Toggle planetary music
 - **Ctrl + F10**: Toggle space combat music
 - **Ctrl + F11**: Toggle weather sounds
-- **Alt + F12**: Restart
 - **Shift + Alt + F9**: Interrupt OOC social sounds on next play
+- **Ctrl + F1**: Mute/unmute master sound
+- **Ctrl + F2**: Master volume down
+- **Ctrl + F3**: Master volume up
+- **Alt + F3**: Toggle intro music
+- **F11**: Stop all currently playing sounds and restart the soundpack
+- **Alt + F12**: Stop all currently playing sounds
 
 ### Other Functions
 - **Shift + F1**: Toggle SP on/off
 - **Ctrl + Shift + Enter**: Toggle buffer sounds
 - **Ctrl + Shift + V**: Show version
+- **Ctrl + S**: Save client-side soundpack settings
+- **Alt + Shift + H**: Show local help
+
+### Accessible Output Window
+The soundpack mirrors game text into a separate notepad-style window titled "output", useful for reviewing text with a screen reader without losing your place when new lines arrive.
+
+- **Ctrl + Alt + O**: Toggle whether output is mirrored to the output window
+- **Ctrl + Alt + J**: Toggle whether switching to the output window jumps you to the newest line
+- **Ctrl + Shift + C**: Clear the output buffer
+- **Ctrl + Alt + Shift + C**: Clear the output window
+- **Ctrl + Shift + I**: Speak the current line
+- **Ctrl + Shift + U**: Speak the previous line
+- **Ctrl + Shift + O**: Speak the next line
+- **Ctrl + Shift + Y**: Jump to and speak the top line
+- **Ctrl + Shift + N**: Jump to and speak the bottom line
+- **Ctrl + Shift + H**: Announce current line number and total line count
+- **Ctrl + Shift + Space**: Start/stop selecting lines (copies with line breaks)
+- **Ctrl + Shift + Alt + Space**: Start/stop selecting lines (copies joined by spaces, no line breaks)
+- **Ctrl + Shift + Alt + S**: Take a snapshot of the whole buffer into a "snapshot" notepad
+- **Ctrl + Alt + Enter**: Toggle stopping speech whenever you press Enter
+- **Ctrl + 1** to **Ctrl + 0**: Recall a recent output line by position from the end (tap once to speak it, twice to copy it, three times to paste it into the command line)
 
 
 ## FAQ