Add a /buff all function

autoload/copilot_chat/buffer.vim

@@ -377,6 +377,36 @@ export def CheckForMacro(): void
       exec "normal! iNo other tabs found\n"
     endif
 
+    # Position cursor on the empty line
+    cursor(line('.'), 1)
+
+  elseif current_line =~# '/buf all'
+    # Get the position where the pattern starts
+    var pattern_start: number = match(before_cursor, '/buf all')
+
+    # Delete the pattern
+    cursor(line('.'), pattern_start + 1)
+    execute 'normal! d' .. len('/buf all') .. 'l'
+
+    # Generate list of buffers with #file: prefix, excluding current buffer
+    var buf_list: list<string> = []
+    for i in range(1, bufnr('$'))
+      var filename: string = bufname(i)
+      # Only add if it's not the current buffer, has a filename and is listed
+      echom buflisted(i) > 0
+      if buflisted(i) > 0 && filename !=# '' && filename !~# 'CopilotChat'
+        # Use the relative path format instead of just the base filename
+        add(buf_list, $'#file: {filename}')
+      endif
+    endfor
+
+    if len(buf_list) > 0
+      var bufs_text: string = join(buf_list, "\n") .. "\n"
+      execute 'normal! i' .. bufs_text
+    else
+      execute "normal! iNo buffers found\n"
+    endif
+
     # Position cursor on the empty line
     cursor(line('.'), 1)
   elseif current_line =~# '#file:'