feat: add tmux-like zoom (maximize) toggle for terminal

.github/scripts/update-version.sh

@@ -19,5 +19,12 @@ perl -pi -e "s/version-[0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.]+)?-blue\.svg/versi
 # This replaces any instances of `vX.Y.Z` globally (git branch, tags, headers).
 perl -pi -e "s/v[0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.]+)?/v${NEW_VERSION}/g" README.md
 
+# Update internal plugin version variable
+perl -pi -e "s/let g:claude_code_version = \"[0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.]+)?\"/let g:claude_code_version = \"${NEW_VERSION}\"/g" plugin/claude_code.vim
+
+# Update Vader test suite to match the new version
+perl -pi -e "s/g:claude_code_version is set to [0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.]+)?/g:claude_code_version is set to ${NEW_VERSION}/g" test/test_dispatch.vader
+perl -pi -e "s/AssertEqual '[0-9]+\.[0-9]+\.[0-9]+(?:-[a-zA-Z0-9.]+)?', g:claude_code_version/AssertEqual '${NEW_VERSION}', g:claude_code_version/g" test/test_dispatch.vader
+
 # Make sure we didn't inadvertently modify anything besides the semver strings!
-echo "Version successfully updated in README.md"
+echo "Version successfully updated across all files"

.releaserc.json

@@ -1,5 +1,7 @@
 {
-  "branches": ["main"],
+  "branches": [
+    "main"
+  ],
   "plugins": [
     "@semantic-release/commit-analyzer",
     "@semantic-release/release-notes-generator",
@@ -13,10 +15,16 @@
     [
       "@semantic-release/git",
       {
-        "assets": ["CHANGELOG.md", "README.md", "doc/claude_code.txt"],
+        "assets": [
+          "CHANGELOG.md",
+          "README.md",
+          "doc/claude_code.txt",
+          "plugin/claude_code.vim",
+          "test/test_dispatch.vader"
+        ],
         "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
       }
     ],
     "@semantic-release/github"
   ]
-}
+}

README.md

@@ -133,6 +133,7 @@ Run a health check to verify your setup:
 | `:Claude preview uninstall` | Remove diff preview hooks |
 | `:Claude preview close` | Manually close an open diff tab |
 | `:Claude preview status` | Show diff preview status and dependency checks |
+| `:Claude zoom` | Toggle full-screen (zoom) mode for the terminal |
 
 When enabled, every time Claude proposes a file edit (Edit, Write, or MultiEdit), a side-by-side diff tab opens showing the **current** file on the left and the **proposed** changes on the right. Review the diff, then accept or reject in the Claude terminal. Press `q` to close the diff tab.
 
@@ -168,6 +169,7 @@ let g:claude_code_diff_preview = 1
 | Normal | `<Leader>cC` | Toggle with `--continue` |
 | Normal | `<Leader>cV` | Toggle with `--verbose` |
 | Terminal | `<C-\>` | Hide Claude Code terminal |
+| Terminal | `<C-w>z` | **Zoom Toggle**: Maximize or restore terminal |
 | Terminal | `<C-h/j/k/l>` | Navigate to adjacent window |
 
 ### Extended keymaps (`g:claude_code_map_extended_prefix` + key)
@@ -232,6 +234,7 @@ let g:claude_code_float_border = 'double'
 | `g:claude_code_map_keys` | `1` | Register default toggle keymaps |
 | `g:claude_code_map_extended_keys` | `1` | Register `<Leader>c*` keymaps |
 | `g:claude_code_map_toggle` | `'<C-\>'` | Toggle key |
+| `g:claude_code_map_zoom` | `'<C-w>z'` | Zoom key |
 | `g:claude_code_map_continue` | `'<Leader>cC'` | Continue key |
 | `g:claude_code_map_verbose` | `'<Leader>cV'` | Verbose key |
 | `g:claude_code_map_extended_prefix` | `'<Leader>c'` | Prefix for all extended keymaps |

autoload/claude_code/config.vim

@@ -33,6 +33,7 @@ let s:defaults = {
       \ 'map_toggle':         '<C-\>',
       \ 'map_continue':       '<Leader>cC',
       \ 'map_verbose':        '<Leader>cV',
+      \ 'map_zoom':           '<C-w>z',
       \ 'debug':              0,
       \ 'terminal_start_delay': 300,
       \ 'scroll_keys':           1,

autoload/claude_code/keymaps.vim

@@ -17,6 +17,7 @@ function! claude_code#keymaps#setup_terminal(bufnr) abort
   execute 'tnoremap <buffer> <silent> <C-j> <C-\><C-n><C-w>j'
   execute 'tnoremap <buffer> <silent> <C-k> <C-\><C-n><C-w>k'
   execute 'tnoremap <buffer> <silent> <C-l> <C-\><C-n><C-w>l'
+  execute 'tnoremap <buffer> <silent> ' . claude_code#config#get('map_zoom') . ' <C-\><C-n>:Claude zoom<CR>'
 
   " Mouse/touchpad scroll in terminal mode: escape to Normal, scroll, stay in
   " Normal so the user can keep reading.  Vim passes raw ScrollWheel events
@@ -39,6 +40,7 @@ function! claude_code#keymaps#setup_terminal(bufnr) abort
   execute 'nnoremap <buffer> <silent> <C-j> <C-w>j'
   execute 'nnoremap <buffer> <silent> <C-k> <C-w>k'
   execute 'nnoremap <buffer> <silent> <C-l> <C-w>l'
+  execute 'nnoremap <buffer> <silent> ' . claude_code#config#get('map_zoom') . ' :Claude zoom<CR>'
 
   " Autocommand to re-enter terminal mode when switching INTO the Claude window
   " from another window.  Uses WinEnter only (not BufEnter) so that the user

autoload/claude_code/terminal.vim

@@ -55,6 +55,50 @@ function! claude_code#terminal#toggle(...) abort
   endif
 endfunction
 
+" Toggle the zoomed (maximized) state of the current Claude terminal.
+" Uses a temporary tab to provide a full-screen view without losing context.
+function! claude_code#terminal#zoom() abort
+  if get(t:, 'claude_code_zoomed', 0)
+    " We are in a zoomed tab, so just close it to return.
+    tabclose
+    return
+  endif
+
+  let l:bufnr = bufnr('%')
+  let l:id = s:get_instance_id()
+  let l:instance_buf = get(s:instances, l:id, -1)
+
+  if l:bufnr != l:instance_buf
+    " If we are not in the terminal window, try to jump to it first.
+    if l:instance_buf > 0 && s:is_valid(l:instance_buf)
+      let l:win_ids = win_findbuf(l:instance_buf)
+      if !empty(l:win_ids)
+        call win_gotoid(l:win_ids[0])
+        let l:bufnr = l:instance_buf
+      else
+        " It's hidden, show it first normally.
+        call s:show_existing(l:instance_buf)
+        let l:bufnr = l:instance_buf
+      endif
+    endif
+  endif
+
+  if l:bufnr > 0 && s:is_valid(l:bufnr)
+    " Maximize by opening the buffer in a new tab.
+    execute 'tab split'
+    let t:claude_code_zoomed = 1
+    call s:configure_term_window()
+    " Ensure we stay in terminal mode if inserts are enabled.
+    if claude_code#config#get('enter_insert')
+      if mode() !=# 't'
+        silent! normal! i
+      endif
+    endif
+  else
+    call claude_code#util#error('claude-code: no active terminal to zoom')
+  endif
+endfunction
+
 " ---------------------------------------------------------------------------
 " Internal helpers
 " ---------------------------------------------------------------------------

doc/claude_code.txt

@@ -111,6 +111,12 @@ file is used.
 :Claude verbose
     Toggle with --verbose (enables detailed Claude Code logging).
 
+                                                              *:Claude-zoom*
+:Claude zoom
+    Toggle the zoomed (maximized) state of the current Claude terminal.
+    Uses a temporary tab to provide a full-screen view without losing
+    the terminal context. Restore the original split by zooming again.
+
 ------------------------------------------------------------------------------
 5.2 Code Intelligence                                    *claude-code-intel*
 
@@ -306,6 +312,7 @@ Default terminal keymaps (when |g:claude_code_map_keys| is 1):
 
   Terminal mode (inside the Claude window): ~
     <C-\>         Hide Claude Code terminal
+    <C-w>z        Zoom Toggle: Maximize or restore terminal
     <C-h/j/k/l>   Navigate to adjacent window
 
 Extended keymaps (when g:claude_code_map_extended_keys is 1):
@@ -413,6 +420,10 @@ g:claude_code_map_extended_keys   Default: 1
 g:claude_code_map_toggle          Default: '<C-\>'
     Key to toggle the terminal (normal + terminal mode).
 
+                                                 *g:claude_code_map_zoom*
+g:claude_code_map_zoom            Default: '<C-w>z'
+    Key to toggle the zoomed (maximized) state.
+
                                               *g:claude_code_map_continue*
 g:claude_code_map_continue        Default: '<Leader>cC'
     Key to toggle with --continue.

plugin/claude_code.vim

@@ -44,7 +44,7 @@ function! s:complete(ArgLead, CmdLine, CursorPos) abort
         \ 'rename', 'optimize', 'debug', 'apply',
         \ 'chat', 'context', 'model',
         \ 'version', 'doctor',
-        \ 'preview',
+        \ 'preview', 'zoom',
         \ ]
   return filter(copy(l:subs), 'v:val =~# "^" . a:ArgLead')
 endfunction
@@ -107,6 +107,8 @@ function! s:dispatch(args) abort
     call claude_code#meta_commands#doctor()
   elseif l:sub ==# 'preview'
     call s:dispatch_preview(l:flags)
+  elseif l:sub ==# 'zoom'
+    call claude_code#terminal#zoom()
   else
     call claude_code#util#error('vim-claude-code: unknown sub-command "' . l:sub . '". Try :Claude <Tab>')
   endif
@@ -132,6 +134,11 @@ if claude_code#config#get('map_keys')
   if !empty(s:verbose_key)
     execute 'nnoremap <silent> ' . s:verbose_key . ' :Claude verbose<CR>'
   endif
+
+  let s:zoom_key = claude_code#config#get('map_zoom')
+  if !empty(s:zoom_key)
+    execute 'nnoremap <silent> ' . s:zoom_key . ' :Claude zoom<CR>'
+  endif
 endif
 
 if claude_code#config#get('map_extended_keys')