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qwen38-viewer: auth-gated web chat for local Qwen3.8-27B Heretic (Ollama)
46278be1651315741c96840d644ad603196177c9 · 2026-08-19 09:53:48 -0700 · steve
Files touched
A .deploy.confA .gitignoreA package-lock.jsonA package.jsonA public/index.htmlA server.js
Diff
commit 46278be1651315741c96840d644ad603196177c9
Author: steve <steve@designerwallcoverings.com>
Date: Wed Aug 19 09:53:48 2026 -0700
qwen38-viewer: auth-gated web chat for local Qwen3.8-27B Heretic (Ollama)
---
.deploy.conf | 5 +
.gitignore | 8 +
package-lock.json | 828 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
package.json | 9 +
public/index.html | 172 ++++++++++++
server.js | 93 ++++++
6 files changed, 1115 insertions(+)
diff --git a/.deploy.conf b/.deploy.conf
new file mode 100644
index 0000000..4708f9a
--- /dev/null
+++ b/.deploy.conf
@@ -0,0 +1,5 @@
+PROJECT_NAME=qwen38-viewer
+DEPLOY_PATH=/root/Projects/qwen38-viewer
+HEALTH_URL=http://127.0.0.1:9821/health
+# NOTE: model runs in Ollama on macstudio3; this app must stay co-located there.
+# Public exposure = Cloudflare tunnel (GATED), not a Kamatera deploy.
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1924158
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+node_modules/
+.env*
+tmp/
+*.log
+.DS_Store
+dist/
+build/
+.next/
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..097d965
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,828 @@
+{
+ "name": "qwen38-viewer",
+ "version": "1.0.0",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "qwen38-viewer",
+ "version": "1.0.0",
+ "dependencies": {
+ "express": "^4.19.2"
+ }
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+ "negotiator": "0.6.3"
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diff --git a/package.json b/package.json
new file mode 100644
index 0000000..1b009d0
--- /dev/null
+++ b/package.json
@@ -0,0 +1,9 @@
+{
+ "name": "qwen38-viewer",
+ "version": "1.0.0",
+ "private": true,
+ "description": "Auth-gated web chat front-end for the local uncensored Qwen3.8-27B Heretic (Ollama)",
+ "main": "server.js",
+ "scripts": { "start": "node server.js" },
+ "dependencies": { "express": "^4.19.2" }
+}
diff --git a/public/index.html b/public/index.html
new file mode 100644
index 0000000..e044647
--- /dev/null
+++ b/public/index.html
@@ -0,0 +1,172 @@
+<!doctype html>
+<html lang="en">
+<head>
+<meta charset="utf-8" />
+<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
+<meta name="robots" content="noindex, nofollow" />
+<title>Qwen3.8-27B Heretic · local uncensored</title>
+<style>
+ :root{
+ --bg:#0b0d10; --panel:#12161c; --panel2:#161b22; --line:#232a33;
+ --ink:#e7ecf2; --dim:#8a94a3; --accent:#c0392b; --accent2:#e07a3f;
+ --user:#1c2733; --think:#141a14; --thinkline:#2f3d2f;
+ --radius:14px; --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
+ --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
+ }
+ *{box-sizing:border-box}
+ html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--sans)}
+ body{display:flex;flex-direction:column}
+ header{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--panel)}
+ .brand{font-weight:700;letter-spacing:.2px}
+ .brand .r{color:var(--accent2)}
+ .badge{font:600 11px/1 var(--mono);color:var(--dim);border:1px solid var(--line);border-radius:999px;padding:6px 10px}
+ .badge b{color:var(--ink)}
+ .warn{margin-left:auto;font:600 11px/1.4 var(--sans);color:#f0c36d;border:1px solid #4a3d1a;background:#1c1809;border-radius:8px;padding:6px 10px}
+ main{flex:1;overflow-y:auto;padding:22px 0}
+ .wrap{max-width:820px;margin:0 auto;padding:0 18px}
+ .msg{display:flex;gap:12px;margin:0 0 18px}
+ .who{flex:0 0 30px;height:30px;border-radius:8px;display:grid;place-items:center;font:700 12px var(--mono)}
+ .who.u{background:var(--user);color:#8fb8e0}
+ .who.a{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}
+ .body{flex:1;min-width:0}
+ .name{font:600 12px var(--sans);color:var(--dim);margin:4px 0 6px}
+ .bubble{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;white-space:pre-wrap;word-wrap:break-word;line-height:1.55}
+ .msg.u .bubble{background:var(--user)}
+ details.think{margin:0 0 8px;border:1px dashed var(--thinkline);background:var(--think);border-radius:10px;overflow:hidden}
+ details.think>summary{cursor:pointer;padding:7px 12px;font:600 12px var(--mono);color:#89b389;list-style:none}
+ details.think>summary::-webkit-details-marker{display:none}
+ details.think .t{padding:0 14px 12px;white-space:pre-wrap;color:#9fb39f;font:13px/1.5 var(--mono)}
+ footer{border-top:1px solid var(--line);background:var(--panel);padding:12px 0}
+ .composer{max-width:820px;margin:0 auto;padding:0 18px;display:flex;gap:10px;align-items:flex-end}
+ textarea{flex:1;resize:none;min-height:48px;max-height:200px;background:var(--panel2);color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:15px/1.5 var(--sans);outline:none}
+ textarea:focus{border-color:var(--accent2)}
+ button{cursor:pointer;border:none;border-radius:12px;font:600 14px var(--sans)}
+ .send{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;padding:12px 18px;height:48px}
+ .send:disabled{opacity:.5;cursor:default}
+ .tools{max-width:820px;margin:8px auto 0;padding:0 18px;display:flex;align-items:center;gap:16px;color:var(--dim);font:12px var(--sans)}
+ .tools input[type=range]{accent-color:var(--accent2)}
+ .ghost{background:transparent;color:var(--dim);border:1px solid var(--line);padding:6px 10px;height:auto}
+ .empty{max-width:820px;margin:8vh auto;text-align:center;color:var(--dim)}
+ .empty h1{color:var(--ink);font-size:22px;margin:0 0 8px}
+ .empty .k{font:600 12px var(--mono);color:var(--accent2)}
+ code{font-family:var(--mono)}
+</style>
+</head>
+<body>
+<header>
+ <span class="brand">Qwen3.8‑27B <span class="r">Heretic</span></span>
+ <span class="badge" id="badge">local · <b id="msize">…</b></span>
+ <span class="warn">⚠ Uncensored model — outputs are unfiltered & may be wrong. You are responsible for use.</span>
+</header>
+
+<main id="scroll">
+ <div class="empty" id="empty">
+ <h1>Local uncensored chat</h1>
+ <div>Talking to <span class="k">qwen3.8‑27b‑heretic</span> on this Mac via Ollama.<br/>
+ Nothing leaves the machine. Reasoning shows in a collapsible <b>think</b> block.</div>
+ </div>
+ <div class="wrap" id="log"></div>
+</main>
+
+<footer>
+ <div class="composer">
+ <textarea id="ta" placeholder="Message the model… (Enter to send · Shift+Enter for newline)"></textarea>
+ <button class="send" id="send">Send</button>
+ </div>
+ <div class="tools">
+ <label>temp <input type="range" id="temp" min="0" max="1.5" step="0.1" value="0.8" /> <span id="tempv">0.8</span></label>
+ <label>max tokens <input type="range" id="ntok" min="128" max="4096" step="128" value="1024" /> <span id="ntokv">1024</span></label>
+ <button class="ghost" id="clear">Clear chat</button>
+ <span id="status" style="margin-left:auto"></span>
+ </div>
+</footer>
+
+<script>
+const $ = s => document.querySelector(s);
+const log = $('#log'), scroll = $('#scroll'), ta = $('#ta');
+let history = JSON.parse(localStorage.getItem('q38.history') || '[]');
+let busy = false;
+
+const temp = $('#temp'), ntok = $('#ntok');
+temp.oninput = () => $('#tempv').textContent = temp.value;
+ntok.oninput = () => $('#ntokv').textContent = ntok.value;
+
+fetch('/api/model').then(r=>r.json()).then(m=>{
+ $('#msize').textContent = m.size ? (m.size/1e9).toFixed(0)+' GB' : (m.present?'ready':'not found');
+}).catch(()=>{ $('#msize').textContent='offline'; });
+
+function esc(s){return s.replace(/[&<>]/g,c=>({'&':'&','<':'<','>':'>'}[c]));}
+
+// Split a stream chunk into an optional <think> section + visible answer
+function render(text){
+ let think='', body=text;
+ const m = text.match(/<think>([\s\S]*?)(<\/think>|$)/);
+ if(m){ think=m[1]; body = text.slice(0,m.index) + text.slice(m.index + m[0].length); }
+ let html='';
+ if(think.trim()){
+ html += `<details class="think"><summary>💭 reasoning</summary><div class="t">${esc(think.trim())}</div></details>`;
+ }
+ html += `<div class="bubble">${esc(body.trim())||'<span style="color:#6b7684">…</span>'}</div>`;
+ return html;
+}
+
+function addMsg(role, text){
+ $('#empty').style.display='none';
+ const el = document.createElement('div');
+ el.className = 'msg '+(role==='user'?'u':'a');
+ el.innerHTML = `<div class="who ${role==='user'?'u':'a'}">${role==='user'?'you':'AI'}</div>`+
+ `<div class="body"><div class="name">${role==='user'?'You':'Qwen3.8 Heretic'}</div>`+
+ `<div class="content"></div></div>`;
+ log.appendChild(el);
+ const content = el.querySelector('.content');
+ content.innerHTML = role==='user' ? `<div class="bubble">${esc(text)}</div>` : render(text);
+ scroll.scrollTop = scroll.scrollHeight;
+ return content;
+}
+
+function persist(){ localStorage.setItem('q38.history', JSON.stringify(history.slice(-40))); }
+
+async function send(){
+ const q = ta.value.trim();
+ if(!q || busy) return;
+ busy = true; $('#send').disabled = true; ta.value=''; ta.style.height='auto';
+ addMsg('user', q);
+ history.push({role:'user', content:q}); persist();
+ const content = addMsg('assistant','');
+ $('#status').textContent = 'generating…';
+ let acc='';
+ try{
+ const r = await fetch('/api/chat',{method:'POST',headers:{'Content-Type':'application/json'},
+ body: JSON.stringify({messages:history, temperature:parseFloat(temp.value), num_predict:parseInt(ntok.value)})});
+ const reader = r.body.getReader(); const dec = new TextDecoder(); let buf='';
+ for(;;){
+ const {done,value} = await reader.read(); if(done) break;
+ buf += dec.decode(value,{stream:true});
+ let nl; while((nl=buf.indexOf('\n'))>=0){
+ const line = buf.slice(0,nl).trim(); buf = buf.slice(nl+1);
+ if(!line) continue;
+ let j; try{ j=JSON.parse(line); }catch{ continue; }
+ if(j.error){ acc += '\n[error: '+j.error+']'; }
+ else if(j.message && j.message.content){ acc += j.message.content; }
+ content.innerHTML = render(acc);
+ scroll.scrollTop = scroll.scrollHeight;
+ }
+ }
+ history.push({role:'assistant', content:acc}); persist();
+ }catch(e){
+ content.innerHTML = render(acc + '\n[connection error: '+e+']');
+ }finally{
+ busy=false; $('#send').disabled=false; $('#status').textContent=''; ta.focus();
+ }
+}
+
+$('#send').onclick = send;
+ta.addEventListener('keydown', e=>{ if(e.key==='Enter' && !e.shiftKey){ e.preventDefault(); send(); }});
+ta.addEventListener('input', ()=>{ ta.style.height='auto'; ta.style.height=Math.min(200,ta.scrollHeight)+'px'; });
+$('#clear').onclick = ()=>{ history=[]; persist(); log.innerHTML=''; $('#empty').style.display=''; };
+
+// Replay persisted history on load
+for(const m of history) addMsg(m.role, m.content);
+</script>
+</body>
+</html>
diff --git a/server.js b/server.js
new file mode 100644
index 0000000..568c362
--- /dev/null
+++ b/server.js
@@ -0,0 +1,93 @@
+'use strict';
+/**
+ * qwen38-viewer — a minimal web chat front-end for the local uncensored
+ * Qwen3.8-27B Heretic model served by Ollama on this Mac (macstudio3).
+ *
+ * The model runs in Ollama (localhost:11434); this server is a thin,
+ * auth-gated proxy + static host. It MUST stay co-located with Ollama —
+ * a remote host (Kamatera) cannot reach this box's 11434.
+ */
+const express = require('express');
+const path = require('path');
+
+const app = express();
+const PORT = process.env.PORT || 9821;
+const OLLAMA = process.env.OLLAMA_URL || 'http://127.0.0.1:11434';
+const MODEL = process.env.MODEL || 'qwen3.8-27b-heretic';
+
+// ---- Basic auth gate (fleet convention admin / DW2024!) --------------------
+const USER = process.env.BASIC_USER || 'admin';
+const PASS = process.env.BASIC_PASS || 'DW2024!';
+app.use((req, res, next) => {
+ if (req.path === '/health') return next(); // health is open for canaries
+ const hdr = req.headers.authorization || '';
+ const [scheme, b64] = hdr.split(' ');
+ if (scheme === 'Basic' && b64) {
+ const [u, p] = Buffer.from(b64, 'base64').toString().split(':');
+ if (u === USER && p === PASS) return next();
+ }
+ res.set('WWW-Authenticate', 'Basic realm="qwen38"');
+ return res.status(401).send('Auth required');
+});
+
+app.use(express.json({ limit: '1mb' }));
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.get('/health', (_req, res) =>
+ res.json({ status: 'PASS', model: MODEL, ollama: OLLAMA }));
+
+// Model metadata for the UI
+app.get('/api/model', async (_req, res) => {
+ try {
+ const r = await fetch(`${OLLAMA}/api/tags`);
+ const j = await r.json();
+ const m = (j.models || []).find(x => x.name.startsWith(MODEL)) || null;
+ res.json({ model: MODEL, size: m && m.size, present: !!m });
+ } catch (e) {
+ res.status(502).json({ error: String(e) });
+ }
+});
+
+// Streaming chat proxy -> Ollama /api/chat (NDJSON passthrough)
+app.post('/api/chat', async (req, res) => {
+ const messages = Array.isArray(req.body.messages) ? req.body.messages : [];
+ if (!messages.length) return res.status(400).json({ error: 'messages required' });
+ const options = {
+ temperature: clamp(req.body.temperature, 0, 2, 0.8),
+ num_predict: clamp(req.body.num_predict, 1, 8192, 1024),
+ };
+ res.setHeader('Content-Type', 'application/x-ndjson');
+ res.setHeader('Cache-Control', 'no-cache');
+ try {
+ const upstream = await fetch(`${OLLAMA}/api/chat`, {
+ method: 'POST',
+ headers: { 'Content-Type': 'application/json' },
+ body: JSON.stringify({ model: MODEL, messages, stream: true, options }),
+ });
+ if (!upstream.ok || !upstream.body) {
+ res.write(JSON.stringify({ error: `ollama ${upstream.status}` }) + '\n');
+ return res.end();
+ }
+ // Abort upstream if the client disconnects
+ const reader = upstream.body.getReader();
+ req.on('close', () => reader.cancel().catch(() => {}));
+ const dec = new TextDecoder();
+ for (;;) {
+ const { done, value } = await reader.read();
+ if (done) break;
+ res.write(dec.decode(value, { stream: true }));
+ }
+ res.end();
+ } catch (e) {
+ res.write(JSON.stringify({ error: String(e) }) + '\n');
+ res.end();
+ }
+});
+
+function clamp(v, lo, hi, dflt) {
+ const n = Number(v);
+ return Number.isFinite(n) ? Math.min(hi, Math.max(lo, n)) : dflt;
+}
+
+app.listen(PORT, '0.0.0.0', () =>
+ console.log(`qwen38-viewer on :${PORT} -> ${OLLAMA} (${MODEL})`));
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