feat: mobile response viewer — read full Claude responses via native scroll

Claude Code's Ink framework uses alternate screen buffer + VPA cursor
positioning, resulting in near-zero xterm.js scrollback on mobile.
Instead of fighting terminal scrollback, this adds a native scrollable
overlay that reads structured responses from Claude's JSONL transcripts.

- New API: GET /api/sessions/:id/last-response reads transcript JSONL
  - ?context=full returns full conversation thread (user + assistant)
  - Fallback to terminal buffer with ANSI stripping if no transcript
- Response viewer panel: bottom sheet with native iOS/Android scroll
- "More" button loads full conversation context as threaded view
- Eye icon in header bar (mobile only), no toolbar space impact
This commit is contained in:
Teigen
2026-04-10 19:07:02 +08:00
parent fd74a42933
commit 3cb7b510f8
5 changed files with 382 additions and 0 deletions
+106
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@@ -869,6 +869,112 @@ class CodemanApp {
}
}
// ═══════════════════════════════════════════════════════════════
// Response Viewer — native-scroll panel for reading full Claude responses
// ═══════════════════════════════════════════════════════════════
async toggleResponseViewer() {
const viewer = document.getElementById('responseViewer');
const backdrop = document.getElementById('responseViewerBackdrop');
if (!viewer) return;
const isOpen = viewer.classList.contains('visible');
if (isOpen) {
viewer.classList.remove('visible');
backdrop.classList.remove('visible');
return;
}
if (!this.activeSessionId) return;
try {
// Source 1: Transcript JSONL (best quality — clean structured text from Claude)
const res = await fetch(`/api/sessions/${this.activeSessionId}/last-response`);
const data = await res.json();
let lastResponse = data.text || '';
// Source 2: Terminal buffer fallback (strip ANSI codes)
if (!lastResponse) {
const termRes = await fetch(`/api/sessions/${this.activeSessionId}/terminal`);
const termData = await termRes.json();
if (termData.terminalBuffer) {
lastResponse = termData.terminalBuffer
.replace(/\x1b\[\?[0-9;]*[a-zA-Z]/g, '')
.replace(/\x1b\[[0-9;]*[a-zA-Z]/g, '')
.replace(/\x1b\][^\x07\x1b]*(?:\x07|\x1b\\)/g, '')
.replace(/\x1b[()][A-Z0-9]/g, '')
.replace(/\x1b[>=<]/g, '')
.replace(/[\x00-\x08\x0b\x0c\x0e-\x1f\x7f]/g, '')
.replace(/\r\n/g, '\n').replace(/\r/g, '\n')
.replace(/[ \t]+$/gm, '')
.replace(/\n{4,}/g, '\n\n\n')
.trim();
}
}
const body = document.getElementById('responseViewerBody');
body.textContent = lastResponse;
// Reset state for fresh open
const title = document.getElementById('responseViewerTitle');
const moreBtn = document.getElementById('responseViewerMore');
if (title) title.textContent = 'Last Response';
if (moreBtn) { moreBtn.style.display = ''; moreBtn.textContent = 'More'; }
viewer.classList.add('visible');
backdrop.classList.add('visible');
body.scrollTop = 0;
} catch (err) {
console.error('Failed to load response:', err);
}
}
async loadFullContext() {
if (!this.activeSessionId) return;
const moreBtn = document.getElementById('responseViewerMore');
if (moreBtn) moreBtn.textContent = '...';
try {
const res = await fetch(`/api/sessions/${this.activeSessionId}/last-response?context=full`);
const data = await res.json();
const messages = data.messages || [];
const body = document.getElementById('responseViewerBody');
const title = document.getElementById('responseViewerTitle');
if (!body) return;
if (messages.length === 0) {
body.textContent = 'No conversation history available';
return;
}
// Render conversation thread
body.innerHTML = '';
for (const msg of messages) {
const div = document.createElement('div');
div.className = 'rv-message';
const role = document.createElement('div');
role.className = 'rv-role ' + (msg.role === 'user' ? 'rv-role-user' : 'rv-role-assistant');
role.textContent = msg.role === 'user' ? 'You' : 'Claude';
div.appendChild(role);
const text = document.createElement('div');
text.className = 'rv-text';
text.textContent = msg.text;
div.appendChild(text);
body.appendChild(div);
}
if (title) title.textContent = `Conversation (${messages.length} messages)`;
if (moreBtn) moreBtn.style.display = 'none';
// Scroll to bottom (latest message)
body.scrollTop = body.scrollHeight;
} catch (err) {
console.error('Failed to load context:', err);
} finally {
if (moreBtn) moreBtn.textContent = 'More';
}
}
async _onSessionNeedsRefresh() {
// Server sends this after SSE backpressure clears — terminal data was dropped,
// so reload the buffer to recover from any display corruption.
+14
View File
@@ -92,6 +92,7 @@
<span class="stat-value" id="statMem">--</span>
</div>
</div>
<button class="btn-icon-header btn-response-viewer-header" onclick="app.toggleResponseViewer()" title="View last response" aria-label="View last response"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg></button>
<button class="btn-icon-header btn-notifications" onclick="app.toggleNotifications()" title="Notifications" aria-label="Toggle notifications">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M18 8A6 6 0 0 0 6 8c0 7-3 9-3 9h18s-3-2-3-9"/><path d="M13.73 21a2 2 0 0 1-3.46 0"/></svg>
<span class="notification-badge" id="notifBadge" style="display:none;">0</span>
@@ -331,6 +332,19 @@
</div>
</div>
<!-- Response Viewer (mobile: native-scroll overlay for reading full Claude responses) -->
<div class="response-viewer" id="responseViewer">
<div class="response-viewer-header">
<span id="responseViewerTitle">Last Response</span>
<div class="response-viewer-actions">
<button class="response-viewer-more" id="responseViewerMore" onclick="app.loadFullContext()">More</button>
<button class="response-viewer-close" onclick="app.toggleResponseViewer()">&times;</button>
</div>
</div>
<div class="response-viewer-body" id="responseViewerBody"></div>
</div>
<div class="response-viewer-backdrop" id="responseViewerBackdrop" onclick="app.toggleResponseViewer()"></div>
<!-- Bottom Toolbar -->
<footer class="toolbar">
<div class="toolbar-left">
+14
View File
@@ -1195,6 +1195,20 @@ html.mobile-init .file-browser-panel {
touch-action: none;
}
/* Response viewer — show eye icon in header on mobile */
.btn-response-viewer-header {
display: inline-flex !important;
}
.response-viewer {
padding-bottom: var(--safe-area-bottom, 0px);
}
.response-viewer-body {
font-size: 12px;
padding: 12px;
}
/* Compact welcome overlay for mobile */
.welcome-content {
max-width: calc(100vw - 1.5rem);
+137
View File
@@ -7764,6 +7764,143 @@ kbd {
padding-left: 0.5rem;
}
/* ═══════════════════════════════════════════════════════════════
Response Viewer — native-scroll overlay for reading Claude responses
═══════════════════════════════════════════════════════════════ */
/* Hidden on desktop — only shown on mobile via mobile.css override */
.btn-response-viewer-header {
display: none !important;
}
.response-viewer {
display: none;
position: fixed;
bottom: 0;
left: 0;
right: 0;
max-height: 85vh;
background: #1a1a2e;
border-top: 1px solid #333;
border-radius: 12px 12px 0 0;
z-index: 5000;
flex-direction: column;
transform: translateY(100%);
transition: transform 0.25s ease-out;
}
.response-viewer.visible {
display: flex;
transform: translateY(0);
}
.response-viewer-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 12px 16px;
border-bottom: 1px solid #333;
flex-shrink: 0;
font-size: 14px;
font-weight: 600;
color: #e0e0e0;
}
.response-viewer-actions {
display: flex;
align-items: center;
gap: 8px;
}
.response-viewer-more {
background: #2a2a4a;
border: 1px solid #444;
color: #aaa;
font-size: 12px;
padding: 3px 10px;
border-radius: 4px;
cursor: pointer;
}
.response-viewer-more:active {
background: #3a3a5a;
}
.response-viewer-close {
background: none;
border: none;
color: #888;
font-size: 22px;
cursor: pointer;
padding: 0 4px;
line-height: 1;
}
/* Conversation thread messages */
.rv-message {
margin-bottom: 16px;
padding-bottom: 16px;
border-bottom: 1px solid #2a2a3a;
}
.rv-message:last-child {
border-bottom: none;
margin-bottom: 0;
padding-bottom: 0;
}
.rv-role {
font-size: 11px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
margin-bottom: 6px;
}
.rv-role-user {
color: #5c7cfa;
}
.rv-role-assistant {
color: #51cf66;
}
.rv-text {
white-space: pre-wrap;
word-break: break-word;
}
.response-viewer-body {
flex: 1;
overflow-y: auto;
-webkit-overflow-scrolling: touch;
padding: 16px;
font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', 'SF Mono', Monaco, monospace;
font-size: 13px;
line-height: 1.5;
color: #d4d4d4;
white-space: pre-wrap;
word-break: break-word;
}
.response-viewer-body:empty::after {
content: 'No response yet';
color: #555;
font-style: italic;
}
.response-viewer-backdrop {
display: none;
position: fixed;
inset: 0;
background: rgba(0, 0, 0, 0.5);
z-index: 4999;
}
.response-viewer-backdrop.visible {
display: block;
}
/* ═══════════════════════════════════════════════════════════════
CJK IME Input
═══════════════════════════════════════════════════════════════ */
+111
View File
@@ -535,6 +535,117 @@ export function registerSessionRoutes(
return { success: true };
});
// ========== Get Last Response (from transcript JSONL) ==========
app.get('/api/sessions/:id/last-response', async (req) => {
const { id } = req.params as { id: string };
const session = findSessionOrFail(ctx, id);
// The Claude conversation ID (used as JSONL filename)
const claudeSessionId = session.claudeSessionId || session.id;
// Scan ~/.claude/projects/*/ for the transcript file
const projectsDir = join(process.env.HOME || '/tmp', '.claude', 'projects');
let transcriptText = '';
let transcriptTimestamp = '';
try {
const projectDirs = await fs.readdir(projectsDir);
for (const projDir of projectDirs) {
const jsonlPath = join(projectsDir, projDir, `${claudeSessionId}.jsonl`);
try {
const content = await fs.readFile(jsonlPath, 'utf8');
const lines = content.trim().split('\n');
// Search from end for last assistant message with text
for (let i = lines.length - 1; i >= 0; i--) {
try {
const entry = JSON.parse(lines[i]);
if (entry.type === 'assistant' && entry.message?.content) {
const blocks = Array.isArray(entry.message.content)
? entry.message.content
: [{ type: 'text', text: String(entry.message.content) }];
const textBlocks = blocks
.filter((b: { type: string; text?: string }) => b.type === 'text' && b.text)
.map((b: { type: string; text?: string }) => b.text);
if (textBlocks.length > 0) {
transcriptText = textBlocks.join('\n\n');
transcriptTimestamp = entry.timestamp || '';
break;
}
}
} catch {
// Skip unparseable lines
}
}
if (transcriptText) break; // Found it, stop scanning directories
} catch {
// File doesn't exist in this project dir, continue
}
}
} catch {
// projects dir doesn't exist
}
// If ?context=full, return all user+assistant messages for conversation view
const query = req.query as { context?: string };
if (query.context === 'full' && transcriptText) {
const allMessages: Array<{ role: string; text: string; timestamp?: string }> = [];
try {
const projectDirs = await fs.readdir(projectsDir);
for (const projDir of projectDirs) {
const jsonlPath = join(projectsDir, projDir, `${claudeSessionId}.jsonl`);
try {
const content = await fs.readFile(jsonlPath, 'utf8');
const lines = content.trim().split('\n');
for (const line of lines) {
try {
const entry = JSON.parse(line);
if (entry.type === 'user' && entry.message?.content) {
const text =
typeof entry.message.content === 'string'
? entry.message.content
: (entry.message.content as Array<{ type: string; text?: string }>)
.filter((b) => b.type === 'text' && b.text)
.map((b) => b.text)
.join('\n');
// Skip system/command messages
if (text && !text.startsWith('<local-command') && !text.startsWith('<command-name>')) {
allMessages.push({ role: 'user', text, timestamp: entry.timestamp });
}
} else if (entry.type === 'assistant' && entry.message?.content) {
const blocks = Array.isArray(entry.message.content)
? entry.message.content
: [{ type: 'text', text: String(entry.message.content) }];
const text = blocks
.filter((b: { type: string; text?: string }) => b.type === 'text' && b.text)
.map((b: { type: string; text?: string }) => b.text)
.join('\n\n');
if (text) {
allMessages.push({ role: 'assistant', text, timestamp: entry.timestamp });
}
}
} catch {
/* skip */
}
}
if (allMessages.length > 0) break;
} catch {
/* continue */
}
}
} catch {
/* ignore */
}
return { text: transcriptText, timestamp: transcriptTimestamp, messages: allMessages };
}
return {
text: transcriptText,
timestamp: transcriptTimestamp,
};
});
// ========== Get Terminal Buffer ==========
// Query params: