feat: add tab-local AIChat toggle and per-tab chat buffer reuse

Author: Konfekt

README.md

@@ -208,14 +208,14 @@ In the documentation below,  `<selection>` denotes a visual selection or any oth
 
 ### `:AIChat`
 
-`:AIChat` - open chat window on current tab, jump to it if already open, reopen it if hidden, close it when called from chat.
+`:AIChat` - open chat window on current tab, jump to it if already open, reopen it if hidden.
 Each tab keeps its own chat buffer.
 
 `<selection>? :AIChat {instruction}?` - open or focus the tab-local chat and optionally initialize it with selection/instruction
 
 `<selection>? :AIChat /{role} {instruction}?` - open/focus chat and apply role to chat initialization
 
-Use `:AI` inside an `aichat` buffer to continue the conversation.
+Use `:AIChat` inside an `aichat` buffer to continue the conversation.
 
 [Pre-defined](./roles-default.ini) chat roles: `/right`, `/below`, `/tab`
 

autoload/vim_ai.vim

@@ -21,6 +21,10 @@ function! s:ImportPythonModules()
   endfor
 endfunction
 
+function! vim_ai#ImportPythonModules() abort
+  call s:ImportPythonModules()
+endfunction
+
 function! s:GetBufferWinIdInTab(bufnr, tabnr) abort
   for l:win_id in win_findbuf(a:bufnr)
     if win_id2tabwin(l:win_id)[0] == a:tabnr
@@ -50,14 +54,6 @@ function! s:IsBufferVisibleOutsideTab(bufnr, tabnr) abort
   return 0
 endfunction
 
-function! s:CloseCurrentChatWindow() abort
-  try
-    hide close
-  catch /^Vim\%((\a\+)\)\=:E444/
-    enew
-  endtry
-endfunction
-
 " Configures ai-chat scratch window.
 " - scratch_buffer_keep_open = 0
 "   - opens new ai-chat every time
@@ -299,11 +295,6 @@ function! s:ReuseOrCreateChatWindow(config)
 endfunction
 
 function! vim_ai#AIChatToggleRun(uses_range, config, ...) range abort
-  if &filetype ==# 'aichat'
-    call s:CloseCurrentChatWindow()
-    return
-  endif
-
   if a:0 > 0
     execute a:firstline . "," . a:lastline . "call vim_ai#AIChatRun(" . a:uses_range . ", " . string(a:config) . ", " . string(a:1) . ")"
   else

doc/vim-ai.txt

@@ -118,9 +118,9 @@ https://platform.openai.com/docs/api-reference/completions
 
                                                 *:AIChat*
 
-:AIChat                             open/focus tab-local chat window, or close it
-                                    when called from an aichat buffer
+:AIChat                             open/focus tab-local chat window
                                     Each tab keeps its own chat buffer.
+                                    In aichat buffers this continues the chat.
 <selection>? :AIChat {instruction}? open/focus tab-local chat and optionally
                                     initialize it using selection/instruction