Revert

public/css/input.css

@@ -71,22 +71,6 @@
 }
 .attach-btn:hover { color: var(--text); background: var(--bg-hover); }
 
-/* Back button */
-.back-row {
-  text-align: center;
-  margin-bottom: 8px;
-}
-.back-btn {
-  padding: 4px 8px;
-  font-size: 12px;
-  color: var(--text-muted);
-  background: none;
-  border: none;
-  cursor: pointer;
-  transition: color var(--transition);
-}
-.back-btn:hover { color: var(--text); }
-
 /* ── Bottom input bar ────────────────────────────────────────────────────── */
 .bottom-input-bar {
   flex-shrink: 0;

public/index.html

@@ -122,9 +122,6 @@
 
       <!-- Bottom input (active during chat) -->
       <div id="bottom-input-bar" class="bottom-input-bar hidden">
-        <div id="back-row" class="back-row hidden">
-          <button id="back-btn" class="back-btn" title="Back to conversation">← Back</button>
-        </div>
         <div class="bottom-input-wrap">
           <button id="bottom-attach-btn" class="attach-btn-bottom" title="Attach">
             <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>

public/js/app.js

@@ -5,7 +5,7 @@ import {
   createNewSession, showWelcomeScreen,
   switchSession, currentSessionId, onSessionChange,
 } from './sessions.js';
-import { submitMessage, renderSession, setActiveSession, getIsStreaming, getReEditingIndex } from './chat.js';
+import { submitMessage, renderSession, setActiveSession, getIsStreaming } from './chat.js';
 import { openAuthModal, closeModal, openPasteEditor } from './modals.js';
 import { openSettings, applyTheme } from './settings.js';
 import { showNotification, autoResize, escHtml } from './ui.js';
@@ -128,8 +128,7 @@ function triggerBottomSend() {
   if (!text && attachments.length === 0) return;
   if (bottomInput) { bottomInput.value = ''; autoResize(bottomInput, 6); }
   clearFilePreviewRow();
-  const editIndex = getReEditingIndex();
-  doSend(text || '', attachments, editIndex);
+  doSend(text || '', attachments);
 }
 
 document.querySelectorAll('.tool-btn-sm').forEach(btn =>
@@ -137,8 +136,8 @@ document.querySelectorAll('.tool-btn-sm').forEach(btn =>
 
 // ── Core send ─────────────────────────────────────────────────────────────
 
-function doSend(text, attachments = [], editIndex = undefined) {
-  submitMessage(text, attachments, false, editIndex);
+function doSend(text, attachments = []) {
+  submitMessage(text, attachments);
 }
 
 // ── Attachments ───────────────────────────────────────────────────────────

public/js/chat.js

@@ -1,6 +1,6 @@
 // chat.js — Chat rendering, streaming, versioning, editing
 import { send, on, off } from './ws.js';
-import { currentSessionId, getCurrentSession } from './sessions.js';
+import { currentSessionId } from './sessions.js';
 import {
   renderMarkdown, attachCodeCopyListeners, attachSvgPanelListeners,
   escHtml, showNotification, autoResize,
@@ -12,9 +12,6 @@ let streamingBubble  = null;
 let streamingText    = '';
 let autoScroll       = true;
 let pendingAssets    = [];
-let reEditingIndex   = null;
-
-export function getReEditingIndex() { return reEditingIndex; }
 
 export function setActiveSession(id) { activeSessionId = id; }
 export function getIsStreaming()     { return isStreaming; }
@@ -140,7 +137,7 @@ function appendUserMsg(box, msg, index) {
   controls.className = 'msg-controls msg-controls-right';
   controls.appendChild(buildActions([
     { icon: '📋', title: 'Copy', fn: () => copyText(text) },
-    { icon: '✏️', title: 'Edit', fn: () => startUserReEdit(wrap, index, msg, text) },
+    { icon: '✏️', title: 'Edit', fn: () => startUserEdit(wrap, index, msg, text) },
   ], 'right'));
   if (msg.versions?.length > 1) controls.appendChild(buildVersionNav(msg, index));
   wrap.appendChild(controls);
@@ -354,27 +351,6 @@ function startAssistantEdit(wrap, index, msg) {
   ta.setSelectionRange(ta.value.length, ta.value.length);
 }
 
-function startUserReEdit(wrap, index, msg, text) {
-  reEditingIndex = index;
-  // Truncate the displayed history to this message
-  const session = getCurrentSession();
-  if (session) {
-    const truncated = session.history.slice(0, index + 1);
-    renderHistory(truncated);
-  }
-  // Put the text in bottom input
-  const bottomInput = document.getElementById('bottom-input');
-  if (bottomInput) {
-    bottomInput.value = text;
-    autoResize(bottomInput);
-    bottomInput.focus();
-  }
-  // Show back button
-  document.getElementById('back-row')?.classList.remove('hidden');
-  // Clear attachments
-  clearFilePreviewRow();
-}
-
 function makeUserEditTextarea(value) {
   const ta = document.createElement('textarea');
   ta.value = value;
@@ -550,19 +526,11 @@ function appendAsset(asset) {
 
 // ── Submit ────────────────────────────────────────────────────────────────
 
-export function submitMessage(text, attachments = [], regenerate = false, editIndex = undefined) {
+export function submitMessage(text, attachments = [], regenerate = false) {
   if (!text.trim() && attachments.length === 0 && !regenerate) return;
   if (isStreaming) { send({ type: 'chat:stop' }); return; }
   if (!activeSessionId) return;
 
-  if (editIndex !== undefined) {
-    // Send edit
-    send({ type: 'chat:editMessage', sessionId: activeSessionId, messageIndex: editIndex, newContent: text });
-    reEditingIndex = null;
-    document.getElementById('back-row')?.classList.add('hidden');
-    return;
-  }
-
   const images   = attachments.filter(a => a.type === 'image');
   const textFiles= attachments.filter(a => a.type === 'text');
 
@@ -586,7 +554,7 @@ export function submitMessage(text, attachments = [], regenerate = false, editIn
 
   // Append optimistic user bubble
   const box = document.getElementById('chat-messages');
-  if (box && !regenerate) {
+  if (box) {
     const wrap = makeWrap(-1);
     const bubble = document.createElement('div'); bubble.className = 'msg-user';
     bubble.innerHTML = renderMarkdown(fullText);
@@ -601,7 +569,7 @@ export function submitMessage(text, attachments = [], regenerate = false, editIn
     if (autoScroll) box.scrollTop = box.scrollHeight;
   }
 
-  send({ type: 'chat:send', sessionId: activeSessionId, content, regenerate, tools: getActiveTools(), clientId: localStorage.getItem('ipai_client_id') || '' });
+  send({ type: 'chat:send', sessionId: activeSessionId, content, tools: getActiveTools(), clientId: localStorage.getItem('ipai_client_id') || '' });
 }
 
 // ── Utils ─────────────────────────────────────────────────────────────────
@@ -662,19 +630,6 @@ function openImageModal(src) {
   import('./modals.js').then(m => m.openImageModal(src));
 }
 
-// Back button for re-editing
-document.getElementById('back-btn')?.addEventListener('click', () => {
-  reEditingIndex = null;
-  // Restore full history
-  const session = getCurrentSession();
-  if (session) renderHistory(session.history);
-  // Clear input
-  const bottomInput = document.getElementById('bottom-input');
-  if (bottomInput) bottomInput.value = '';
-  // Hide back
-  document.getElementById('back-row')?.classList.add('hidden');
-});
-
 // Scroll tracking
 document.getElementById('chat-view')?.addEventListener('scroll', e => {
   const el = e.target;

server/wsHandler.js

@@ -146,7 +146,7 @@ const handlers = {
   },
 
   'chat:send': async (ws, msg, client) => {
-    const { sessionId, content, regenerate, tools } = msg;
+    const { sessionId, content, tools } = msg;
     if (!client.userId) {
       if (!sessionStore.tempCanSend(client.tempId)) return safeSend(ws, { type: 'chat:limitReached' });
       sessionStore.tempBump(client.tempId);
@@ -165,7 +165,7 @@ const handlers = {
     const assetsCollected = [], toolCallsCollected = [];
 
     await streamChat(ws, {
-      history: session.history || [], userMessage: regenerate ? undefined : content, tools: tools || {},
+      history: session.history || [], userMessage: content, tools: tools || {},
       accessToken: client.accessToken, clientId: msg.clientId, abortSignal: abort.signal,
       onToken(t) { fullText += t; safeSend(ws, { type: 'chat:token', token: t, sessionId }); },
       onToolCall(call) {