From e6b1009b8995bbbccab692c154d151c2901b5ac9 Mon Sep 17 00:00:00 2001
From: pewdiepie-archdaemon <pewdiepie-archdaemon@users.noreply.github.com>
Date: Tue, 9 Jun 2026 09:48:59 +0900
Subject: [PATCH] Remove non-merge-ready workspace and terminal agent hooks

---
 app.py                     |   7 --
 routes/chat_routes.py      |  12 +--
 routes/workspace_routes.py |  56 -------------
 static/app.js              |   4 -
 static/index.html          |  13 ---
 static/js/chat.js          |   4 -
 static/js/settings.js      |   2 +-
 static/js/slashCommands.js |  37 ---------
 static/js/storage.js       |   3 +-
 static/js/workspace.js     | 160 -------------------------------------
 static/style.css           |  43 ----------
 11 files changed, 5 insertions(+), 336 deletions(-)
 delete mode 100644 routes/workspace_routes.py
 delete mode 100644 static/js/workspace.js

diff --git a/app.py b/app.py
index 0af6b18ea..22b63cc82 100644
--- a/app.py
+++ b/app.py
@@ -529,9 +529,6 @@ upload_cleanup_task = None
 from routes.emoji_routes import setup_emoji_routes
 app.include_router(setup_emoji_routes())
 
-from routes.workspace_routes import setup_workspace_routes
-app.include_router(setup_workspace_routes())
-
 # Sessions
 from routes.session_routes import setup_session_routes
 session_config = {"REQUEST_TIMEOUT": REQUEST_TIMEOUT, "OPENAI_API_KEY": OPENAI_API_KEY, "SESSIONS_FILE": SESSIONS_FILE}
@@ -650,10 +647,6 @@ app.include_router(calendar_router)
 from routes.shell_routes import setup_shell_routes
 app.include_router(setup_shell_routes())
 
-# Terminal agents (tmux-backed Codex/Claude/shell sessions)
-from routes.terminal_agent_routes import setup_terminal_agent_routes
-app.include_router(setup_terminal_agent_routes())
-
 # Cookbook (model download/serve/cache, cookbook state sync)
 from routes.cookbook_routes import setup_cookbook_routes
 app.include_router(setup_cookbook_routes())
diff --git a/routes/chat_routes.py b/routes/chat_routes.py
index 9880522c8..39c17ec6c 100644
--- a/routes/chat_routes.py
+++ b/routes/chat_routes.py
@@ -456,12 +456,7 @@ def setup_chat_routes(
         # manual form posts that still send plan_mode=true.
         plan_mode = False
         chat_mode = str(form_data.get("mode", "")).lower()  # 'chat' or 'agent'
-        # Workspace: confine the agent's file/shell tools to this folder. Validate
-        # it's a real directory; ignore (no confinement) otherwise.
-        workspace = (form_data.get("workspace") or "").strip()
-        if workspace:
-            _ws_real = os.path.realpath(os.path.expanduser(workspace))
-            workspace = _ws_real if os.path.isdir(_ws_real) else ""
+        workspace = ""
         # Plan mode is a modifier on agent mode — it only makes sense with tools.
         if plan_mode:
             chat_mode = "agent"
@@ -1140,7 +1135,7 @@ def setup_chat_routes(
                         tool_policy=tool_policy,
                         owner=_user,
                         fallbacks=_fallback_candidates,
-                        workspace=workspace or None,
+                        workspace=None,
                         plan_mode=plan_mode,
                         approved_plan=approved_plan or None,
                     ):
@@ -1272,8 +1267,7 @@ def setup_chat_routes(
         # without waiting on the next streamed chunk.
         #
         # Normal chat/agent streams keep the DETACHED behavior below: they
-        # survive the client closing the tab / navigating away (true
-        # terminal-agent semantics). The SSE response just subscribes (replay
+        # survive the client closing the tab / navigating away. The SSE response just subscribes (replay
         # buffered output + live); dropping the SSE only removes a subscriber —
         # the run keeps going and saves the assistant message on completion
         # regardless. Reconnect via /api/chat/resume.
diff --git a/routes/workspace_routes.py b/routes/workspace_routes.py
deleted file mode 100644
index f7b27fbdc..000000000
--- a/routes/workspace_routes.py
+++ /dev/null
@@ -1,56 +0,0 @@
-"""Workspace API — browse server directories to pick a tool workspace folder."""
-import os
-from fastapi import APIRouter, Request, HTTPException, Query
-
-from src.auth_helpers import get_current_user
-from src.tool_security import owner_is_admin_or_single_user
-
-
-def setup_workspace_routes():
-    router = APIRouter(prefix="/api/workspace", tags=["workspace"])
-
-    @router.get("/browse")
-    def browse(request: Request, path: str = Query(default="")):
-        """List subdirectories of `path` (default: home) so the UI can navigate
-        the server filesystem and pick a workspace folder. Directories only.
-
-        ADMIN-ONLY: this enumerates the server filesystem, so it is gated the
-        same way the file/shell tools are (read_file/write_file/bash are in
-        NON_ADMIN_BLOCKED_TOOLS). A non-admin who can't use those tools must not
-        be able to map the host's directory tree either.
-        """
-        owner = get_current_user(request)
-        if not owner_is_admin_or_single_user(owner):
-            raise HTTPException(status_code=403, detail="Workspace browsing is admin-only")
-
-        # Resolve symlinks so the reported path is canonical and the UI navigates
-        # real directories (defends against symlink games in displayed paths).
-        target = os.path.realpath(os.path.expanduser(path.strip() or "~"))
-        if not os.path.isdir(target):
-            target = os.path.realpath(os.path.expanduser("~"))
-
-        dirs = []
-        try:
-            with os.scandir(target) as it:
-                for entry in it:
-                    try:
-                        # Don't follow symlinks when classifying — a symlinked
-                        # dir is skipped rather than letting the browser wander
-                        # off via a link. Hidden entries are omitted.
-                        if entry.is_dir(follow_symlinks=False) and not entry.name.startswith("."):
-                            # Build the child path server-side with os.path.join
-                            # so it's correct on Windows (backslashes) and Linux.
-                            dirs.append({"name": entry.name, "path": os.path.join(target, entry.name)})
-                    except OSError:
-                        continue
-        except (PermissionError, OSError):
-            dirs = []
-
-        parent = os.path.dirname(target)
-        return {
-            "path": target,
-            "parent": parent if parent and parent != target else None,
-            "dirs": sorted(dirs, key=lambda d: d["name"].lower()),
-        }
-
-    return router
diff --git a/static/app.js b/static/app.js
index 20ef1f705..c75070bf2 100644
--- a/static/app.js
+++ b/static/app.js
@@ -4,7 +4,6 @@
 // ============================================
 import Storage from './js/storage.js';
 import uiModule from './js/ui.js';
-import workspaceModule from './js/workspace.js';
 import fileHandlerModule from './js/fileHandler.js';
 import modelsModule from './js/models.js';
 import ragModule from './js/rag.js';
@@ -1702,9 +1701,6 @@ function initializeEventListeners() {
   }
   setupToggle('web-toggle-btn', 'web-toggle', 'web');
   setupToggle('bash-toggle-btn', 'bash-toggle', 'bash');
-  try { workspaceModule.initWorkspace(); } catch (_) {}
-
-  try { workspaceModule.initWorkspace(); } catch (_) {}
 
   // Document editor toggle (special: uses module panel, not a checkbox)
   const overflowDocBtn = el('overflow-doc-btn');
diff --git a/static/index.html b/static/index.html
index ae3092659..4ca33c072 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1040,13 +1040,6 @@
                 <span>RAG</span>
                 <span class="overflow-active-dot"></span>
               </button>
-              <button type="button" class="overflow-menu-item" id="overflow-workspace-btn">
-                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-                  <path d="M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/>
-                </svg>
-                <span>Workspace</span>
-                <span class="overflow-active-dot"></span>
-              </button>
               <!-- Inline "deep research mode" toggle removed (superseded by the
                    Deep Research sidebar / trigger_research). The hidden
                    #research-toggle checkbox is kept inert so existing JS refs
@@ -1078,12 +1071,6 @@
               <polyline points="4 17 10 11 4 5"/><line x1="12" y1="19" x2="20" y2="19"/>
             </svg>
           </button>
-          <!-- Workspace indicator (hidden until a folder is set) -->
-          <button type="button" class="input-icon-btn tool-indicator" title="Workspace — click to clear" id="workspace-indicator-btn" aria-label="Clear workspace" style="display:none;">
-            <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/></svg>
-            <span style="font-size:11px;margin-left:2px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;" id="workspace-indicator-name"></span>
-            <svg class="tool-indicator-x" width="10" height="10" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="3" stroke-linecap="round"><line x1="6" y1="6" x2="18" y2="18"/><line x1="18" y1="6" x2="6" y2="18"/></svg>
-          </button>
           <!-- RAG toolbar indicator (hidden until active) -->
           <button type="button" class="input-icon-btn tool-indicator" title="RAG active — click to deactivate" id="rag-indicator-btn" style="display:none;">
             <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
diff --git a/static/js/chat.js b/static/js/chat.js
index 92fee29dc..65e4d17de 100644
--- a/static/js/chat.js
+++ b/static/js/chat.js
@@ -817,10 +817,6 @@ import { wireArrowUpRecall, getLastUserMessageFromChatHistory } from './composer
       if (incognitoChk && incognitoChk.checked) {
         fd.append('incognito', 'true');
       }
-      const _ws = (Storage.KEYS && Storage.get(Storage.KEYS.WORKSPACE, '')) || '';
-      if (_ws) {
-        fd.append('workspace', _ws);
-      }
       if (presetsModule.getSelectedPreset()) {
         fd.append('preset_id', presetsModule.getSelectedPreset());
       }
diff --git a/static/js/settings.js b/static/js/settings.js
index 8f39e44a5..6d0906c9e 100644
--- a/static/js/settings.js
+++ b/static/js/settings.js
@@ -5048,7 +5048,7 @@ async function initUnifiedIntegrations() {
     });
     formEl.querySelectorAll('.uf-codex-revoke').forEach(btn => {
       btn.addEventListener('click', async () => {
-        if (!await window.styledConfirm(`Revoke this ${cfg.word} token? Terminal agents using it will lose access.`, { confirmText: 'Revoke', danger: true })) return;
+        if (!await window.styledConfirm(`Revoke this ${cfg.word} token? Integrations using it will lose access.`, { confirmText: 'Revoke', danger: true })) return;
         await fetch(`/api/tokens/${btn.dataset.tokenId}`, { method: 'DELETE', credentials: 'same-origin' });
         formEl.style.display = 'none';
         await renderList();
diff --git a/static/js/slashCommands.js b/static/js/slashCommands.js
index 7028c3bff..2d79a8374 100644
--- a/static/js/slashCommands.js
+++ b/static/js/slashCommands.js
@@ -17,7 +17,6 @@ import chatRenderer from './chatRenderer.js';
 import spinnerModule from './spinner.js';
 import themeModule from './theme.js';
 import documentModule from './document.js';
-import workspaceModule from './workspace.js';
 import settingsModule from './settings.js';
 import cookbookModule from './cookbook.js';
 import { EVAL_PROMPTS } from './compare/index.js';
@@ -1226,34 +1225,6 @@ async function _cmdToggleDoc(args, ctx) {
   return true;
 }
 
-// Workspace: confine the agent's file/shell tools to a folder. Not a boolean —
-// show / set <path> / clear / pick (open the directory browser).
-async function _cmdWorkspace(args, ctx) {
-  const sub = (args[0] || '').toLowerCase();
-  const rest = args.slice(1).join(' ').trim();
-  const cur = workspaceModule.getWorkspace();
-  if (!sub || sub === 'show' || sub === 'status' || sub === 'info') {
-    slashReply(cur ? `Workspace: <code>${uiModule.esc(cur)}</code>` : 'No workspace set. <code>/workspace pick</code> or <code>/workspace set /path</code>.');
-    return true;
-  }
-  if (sub === 'set' || sub === 'cd' || sub === 'use') {
-    if (!rest) { slashReply('Usage: <code>/workspace set /absolute/path</code>'); return true; }
-    workspaceModule.setWorkspace(rest);
-    slashReply(`Workspace set: <code>${uiModule.esc(rest)}</code>`);
-    return true;
-  }
-  if (sub === 'clear' || sub === 'off' || sub === 'none' || sub === 'unset') {
-    workspaceModule.clearWorkspace();
-    slashReply('Workspace cleared.');
-    return true;
-  }
-  if (sub === 'pick' || sub === 'browse' || sub === 'open') {
-    workspaceModule.openWorkspaceBrowser();
-    return true;
-  }
-  slashReply('Usage: <code>/workspace</code> · <code>set /path</code> · <code>clear</code> · <code>pick</code>');
-  return true;
-}
 async function _cmdToggleShow(args, ctx) {
   const name = (args[0] || '').toLowerCase();
   const val = (args[1] || '').toLowerCase();
@@ -5757,14 +5728,6 @@ const COMMANDS = {
       '_show':     { handler: _cmdToggleShow,      alias: [],     help: 'Show all toggle states',  usage: '/toggle' }
     }
   },
-  workspace: {
-    alias: ['ws'],
-    category: 'Agent',
-    help: 'Set the folder the agent works in',
-    handler: _cmdWorkspace,
-    noUserBubble: true,
-    usage: '/workspace [set <path> | clear | pick]',
-  },
   memory: {
     alias: ['m'],
     category: 'Memory',
diff --git a/static/js/storage.js b/static/js/storage.js
index 7ff9c6bd5..c72a5dbb1 100644
--- a/static/js/storage.js
+++ b/static/js/storage.js
@@ -23,8 +23,7 @@ export const KEYS = {
   MCP_ACTIVE: 'odysseus-mcp-active',
   SECTION_ORDER: 'sidebar-section-order',
   ADMIN_LAST_TAB: 'admin-last-tab',
-  DENSITY: 'odysseus-density',
-  WORKSPACE: 'odysseus-workspace'
+  DENSITY: 'odysseus-density'
 };
 
 /**
diff --git a/static/js/workspace.js b/static/js/workspace.js
deleted file mode 100644
index 0e22eeb31..000000000
--- a/static/js/workspace.js
+++ /dev/null
@@ -1,160 +0,0 @@
-// static/js/workspace.js
-//
-// Workspace picker: browse server directories in a draggable modal, choose a
-// folder, and show it as a removable pill in the chat input bar. While set, the
-// chat request sends `workspace` so the agent's file/shell tools are confined
-// to that folder (see routes/chat_routes.py + src/tool_execution.py).
-
-import Storage, { KEYS } from './storage.js';
-import uiModule from './ui.js';
-import { makeWindowDraggable } from './windowDrag.js';
-
-const API_BASE = window.location.origin;
-// Same folder glyph as the overflow menu item + pill (not an emoji).
-const _FOLDER_SVG = '<svg class="workspace-row-icon" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/></svg>';
-let _modal = null;
-let _curPath = '';
-
-export function getWorkspace() {
-  return Storage.get(KEYS.WORKSPACE, '') || '';
-}
-
-function _basename(p) {
-  if (!p) return '';
-  // Handle both POSIX (/) and Windows (\) separators.
-  const parts = p.replace(/[\\/]+$/, '').split(/[\\/]/);
-  return parts[parts.length - 1] || p;
-}
-
-export function syncWorkspaceIndicator(path) {
-  const pill = document.getElementById('workspace-indicator-btn');
-  const name = document.getElementById('workspace-indicator-name');
-  const overflow = document.getElementById('overflow-workspace-btn');
-  if (pill) {
-    pill.style.display = path ? '' : 'none';
-    pill.classList.toggle('active', !!path);
-    if (path) pill.title = `Workspace: ${path} — click to clear`;
-  }
-  if (name) name.textContent = path ? _basename(path) : '';
-  if (overflow) overflow.classList.toggle('active', !!path);
-  // Recompute the "+" overflow dot (app.js owns updatePlusDot via this event).
-  try { document.dispatchEvent(new CustomEvent('overflow-state-change')); } catch (_) {}
-}
-
-export function setWorkspace(path) {
-  if (path) Storage.set(KEYS.WORKSPACE, path);
-  else Storage.remove(KEYS.WORKSPACE);
-  syncWorkspaceIndicator(path || '');
-}
-
-export function clearWorkspace() {
-  setWorkspace('');
-  if (uiModule && uiModule.showToast) uiModule.showToast('Workspace cleared');
-}
-
-async function _load(path) {
-  const url = `${API_BASE}/api/workspace/browse${path ? `?path=${encodeURIComponent(path)}` : ''}`;
-  const res = await fetch(url, { credentials: 'same-origin' });
-  if (!res.ok) throw new Error(`browse failed: ${res.status}`);
-  return res.json();
-}
-
-function _render(data) {
-  _curPath = data.path;
-  const body = _modal.querySelector('#workspace-body');
-  const pathEl = _modal.querySelector('#workspace-cur-path');
-  if (pathEl) {
-    // Reflect the resolved (realpath) location back into the editable field.
-    pathEl.value = data.path;
-    pathEl.title = data.path;
-  }
-  let rows = '';
-  if (data.parent) {
-    rows += `<div class="workspace-row workspace-up" data-path="${encodeURIComponent(data.parent)}">↑ ..</div>`;
-  }
-  for (const d of data.dirs) {
-    // Backend supplies the full child path (os.path.join → cross-platform).
-    rows += `<div class="workspace-row" data-path="${encodeURIComponent(d.path)}">${_FOLDER_SVG}<span>${uiModule.esc(d.name)}</span></div>`;
-  }
-  if (!data.dirs.length && !data.parent) rows = '<div class="workspace-empty">No subfolders</div>';
-  body.innerHTML = rows || '<div class="workspace-empty">No subfolders</div>';
-  body.querySelectorAll('.workspace-row').forEach((row) => {
-    row.addEventListener('click', () => _navigate(decodeURIComponent(row.dataset.path)));
-  });
-}
-
-async function _navigate(path) {
-  try {
-    _render(await _load(path));
-  } catch (e) {
-    if (uiModule && uiModule.showError) uiModule.showError('Could not open folder');
-  }
-}
-
-function _getModal() {
-  if (_modal) return _modal;
-  _modal = document.createElement('div');
-  _modal.id = 'workspace-modal';
-  _modal.className = 'modal';
-  _modal.style.display = 'none';
-  _modal.innerHTML = `
-    <div class="modal-content">
-      <div class="modal-header">
-        <h4><svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:-2px;margin-right:6px"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v8a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/></svg>Select workspace</h4>
-        <button class="close-btn" id="workspace-close" aria-label="Close">✖</button>
-      </div>
-      <input type="text" class="styled-prompt-input workspace-cur" id="workspace-cur-path"
-             spellcheck="false" autocomplete="off" autocapitalize="off" autocorrect="off"
-             placeholder="Type or paste a folder path, then press Enter" />
-      <div class="modal-body workspace-body" id="workspace-body"></div>
-      <div class="modal-footer workspace-footer">
-        <button type="button" class="confirm-btn confirm-btn-secondary" id="workspace-cancel">Cancel</button>
-        <button type="button" class="confirm-btn confirm-btn-primary" id="workspace-use">Use this folder</button>
-      </div>
-    </div>`;
-  document.body.appendChild(_modal);
-  _modal.querySelector('#workspace-close').addEventListener('click', closeWorkspaceBrowser);
-  _modal.querySelector('#workspace-cancel').addEventListener('click', closeWorkspaceBrowser);
-  // Editable path bar: Enter navigates to a typed/pasted folder.
-  _modal.querySelector('#workspace-cur-path').addEventListener('keydown', (e) => {
-    if (e.key === 'Enter') {
-      e.preventDefault();
-      const v = e.target.value.trim();
-      if (v) _navigate(v);
-    }
-  });
-  _modal.querySelector('#workspace-use').addEventListener('click', () => {
-    setWorkspace(_curPath);
-    if (uiModule && uiModule.showToast) uiModule.showToast(`Workspace set: ${_basename(_curPath)}`);
-    closeWorkspaceBrowser();
-  });
-  const content = _modal.querySelector('.modal-content');
-  const header = _modal.querySelector('.modal-header');
-  if (content && header) makeWindowDraggable(_modal, { content, header });
-  return _modal;
-}
-
-export async function openWorkspaceBrowser() {
-  const modal = _getModal();
-  modal.style.display = 'flex';
-  try {
-    _render(await _load(getWorkspace() || ''));
-  } catch (e) {
-    if (uiModule && uiModule.showError) uiModule.showError('Could not browse folders');
-  }
-}
-
-export function closeWorkspaceBrowser() {
-  if (_modal) _modal.style.display = 'none';
-}
-
-export function initWorkspace() {
-  // Restore persisted workspace into the pill on load.
-  syncWorkspaceIndicator(getWorkspace());
-  const overflow = document.getElementById('overflow-workspace-btn');
-  if (overflow) overflow.addEventListener('click', openWorkspaceBrowser);
-  const pill = document.getElementById('workspace-indicator-btn');
-  if (pill) pill.addEventListener('click', clearWorkspace);
-}
-
-export default { initWorkspace, openWorkspaceBrowser, getWorkspace, setWorkspace, clearWorkspace, syncWorkspaceIndicator };
diff --git a/static/style.css b/static/style.css
index 55a7a0dbc..ae5b68375 100644
--- a/static/style.css
+++ b/static/style.css
@@ -36363,49 +36363,6 @@ body.theme-frosted .modal {
   line-height: 1.4;
   color: color-mix(in srgb, var(--fg) 45%, transparent);
 }
-/* ── Workspace picker ───────────────────────────────────────────── */
-/* Layout (width/flex column/max-height) inherited from base .modal-content. */
-/* Editable path/address bar: reuses .styled-prompt-input for border/bg/radius/
-   focus ring (set in the element's class list). Overrides only the deltas:
-   mono font, and full-bleed via flex stretch with no horizontal margin (the
-   modal-content's 10px padding is the gutter) instead of the base width:100%,
-   which overflowed against the overflow:auto scrollbar. */
-.workspace-cur {
-  align-self: stretch;
-  width: auto;
-  min-width: 0;
-  margin: 4px 0 8px;
-  font-family: var(--mono, monospace);
-  font-size: 12px;
-}
-/* flex/overflow inherited from base .modal-body; only the padding differs. */
-.workspace-body { padding: 6px 0; }
-.workspace-row {
-  padding: 7px 18px;
-  cursor: pointer;
-  font-size: 13px;
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-.workspace-row > span {
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-}
-.workspace-row-icon { flex-shrink: 0; opacity: 0.75; }
-.workspace-row:hover {
-  background: color-mix(in srgb, var(--border) 20%, transparent);
-}
-.workspace-up { opacity: 0.7; }
-.workspace-empty { padding: 14px 18px; opacity: 0.5; font-size: 13px; }
-.workspace-footer {
-  display: flex;
-  justify-content: flex-end;
-  gap: 8px;
-  padding: 10px 18px;
-  border-top: 1px solid var(--border);
-}
 /* Cookbook serve panel: Launch + ^ split button pair */
 .hwfit-serve-launch-group {
   display: inline-flex;