chat-state tap: per-node main+sidechat reporter for box
chat-state-check.py: polls each node Chromium via CDP, captures main chat + up to 5 side chats (last 10 DOM-visible messages each, 500 chars). Structural React selectors; picks the most common non-empty list across repeated renders. chat-state-report.py: signs and POSTs the report to the board /api/box/chat-state/report ingest (namespace health, 5-min timer). Session: sidechat/box-console
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operator-main
Executable
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#!/usr/bin/env python3
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"""chat-state-check.py — one-shot CDP chat-state probe for a single node.
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Runs INSIDE the node's netns (CDP listens on 127.0.0.1 there).
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Usage: chat-state-check.py <cdp_port> <mode> [name]
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modes: main | list | sidechat <name>
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Prints one JSON object to stdout.
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Honest limits (see CHATSTATE_SPEC.md): only the DOM-visible message window
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is captured (React virtualization); author attribution is best-effort and
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may be null; checked_at is the report time, not per-message times.
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"""
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import base64
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import json
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import sys
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import time
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import urllib.request
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import websocket
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MSG_N = 10
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MSG_WIDTH = 500
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def connect(port):
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with urllib.request.urlopen(
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"http://127.0.0.1:%s/json/list" % port, timeout=5) as r:
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targets = json.load(r)
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pages = [t for t in targets if t.get("type") == "page"]
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if not pages:
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return None
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return websocket.create_connection(
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pages[0]["webSocketDebuggerUrl"], timeout=15)
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def ev1(ws, expr, await_p=False, reads=30):
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"""Runtime.evaluate that skips CDP event chatter while awaiting ours."""
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ws.send(json.dumps({
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"id": 1, "method": "Runtime.evaluate",
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"params": {"expression": expr, "returnByValue": True,
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"awaitPromise": await_p}}))
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for _ in range(reads):
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resp = json.loads(ws.recv())
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if resp.get("id") != 1:
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continue
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if "error" in resp:
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raise RuntimeError("CDP evaluate failed: %s" % resp["error"])
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res = resp.get("result", {}).get("result", {})
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return res.get("value")
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raise RuntimeError("CDP evaluate: no response")
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def read_current(ws):
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title = ev1(ws, "document.title") or ""
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url = ev1(ws, "window.location.href") or ""
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msgs = ev1(ws, """(() => {
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const ps = [...document.querySelectorAll('p')].slice(-%d)
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.map(p => (p.innerText||'').slice(0,%d)).filter(t => t.trim());
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return ps;
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})()""" % (MSG_N, MSG_WIDTH)) or []
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return {"title": title, "url": url,
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"messages": [{"text": t} for t in msgs]}
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def _wait_for(ws, expr, timeout_s=12):
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"""Poll a JS truthiness expression until true or timeout."""
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deadline = time.time() + timeout_s
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while time.time() < deadline:
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try:
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if ev1(ws, expr):
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return True
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except Exception: # noqa: BLE001
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pass
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time.sleep(1)
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return False
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def ensure_sidebar_open(ws):
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"""The toggle closes an open sidebar — only click when closed.
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Detected structurally via the 'New side chat' button (text matching
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'Side chats' is unreliable: main-chat messages can contain the phrase).
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Waits for React to render the panel after opening.
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"""
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is_open = ev1(ws, """(() => {
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return !!document.querySelector('button[aria-label="New side chat"]');
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})()""")
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if not is_open:
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ev1(ws, """(() => {
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const btn = [...document.querySelectorAll('button')].find(b =>
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(b.textContent||'').includes('Open chat and side chats'));
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if (btn) btn.click();
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})()""")
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_wait_for(ws, """(() => {
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return !!document.querySelector(
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'button[aria-label="New side chat"]');
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})()""")
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# The row list renders a beat after the panel; wait for it.
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_wait_for(ws, """(() => {
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return document.querySelectorAll(
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'button[aria-label="More thread actions"]').length > 0;
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})()""", timeout_s=10)
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_SIDEBAR_JS = """(() => {
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const anchor = document.querySelector('button[aria-label="New side chat"]');
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if (!anchor) return 'NOANCHOR';
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let sec = anchor.parentElement;
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for (let i = 0; i < 8 && sec; i++) {
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if (sec.querySelectorAll(
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'button[aria-label="More thread actions"]').length) break;
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sec = sec.parentElement;
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}
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if (!sec) return 'NOSEC';
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return JSON.stringify({ok: true});
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})()"""
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def _sidebar_section(ws):
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"""Return True when the side-chat list section is addressable."""
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raw = ev1(ws, _SIDEBAR_JS)
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try:
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return json.loads(raw or "").get("ok", False)
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except (ValueError, TypeError):
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return False
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_LIST_JS = """(() => {
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const T = (el) => (el.innerText || '').trim();
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const TS =
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/^(\\d+[smhd]|just now|Yesterday|Today|[A-Z][a-z]{2} \\d{1,2}.*)$/;
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const Y = (el) => el.getBoundingClientRect().top;
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const h3s = [...document.querySelectorAll('h3')];
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const head = h3s.find(h => h.textContent.trim() === 'Side chats');
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if (!head) return '[]';
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// Scroll the list to top so the section's rows sit above the next
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// (sticky) header; without this, rows below the fold are missed.
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let sc = head.parentElement;
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for (let i = 0; i < 8 && sc; i++) {
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if (sc.scrollHeight > sc.clientHeight + 10) break;
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sc = sc.parentElement;
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}
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if (sc) sc.scrollTop = 0;
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const y0 = Y(head);
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const isStopText = (t) => t === 'Unread updates' || t === 'Chats' ||
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t === 'Unread chats';
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let stopY = null;
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for (const h of h3s) {
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const y = Y(h);
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if (y > y0 + 5 && (stopY === null || y < stopY)) stopY = y;
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}
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// Non-H3 section headers ("Unread updates", ...) also bound the list.
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for (const el of document.querySelectorAll('*')) {
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if (el.children.length !== 0) continue;
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if (!isStopText((el.textContent || '').trim())) continue;
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const y = Y(el);
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if (y > y0 + 5 && (stopY === null || y < stopY)) stopY = y;
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}
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const names = [];
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for (const el of document.querySelectorAll('div')) {
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const cn = (el.className || '').toString();
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if (cn.indexOf('nav-row') === -1) continue;
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const y = Y(el);
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if (y <= y0 + 5) continue;
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if (stopY !== null && y >= stopY - 5) continue;
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const m = T(el).match(/^([^\\n]+)\\n\\n(.+)$/);
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if (m && TS.test(m[2].trim()) && names.indexOf(m[1].trim()) === -1) {
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names.push(m[1].trim());
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if (names.length >= 8) break;
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}
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}
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return JSON.stringify(names);
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})()"""
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def _list_once(ws):
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raw = ev1(ws, _LIST_JS)
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try:
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return json.loads(raw or "[]")
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except (ValueError, TypeError):
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return []
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def list_sidechats(ws):
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ensure_sidebar_open(ws)
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if not _sidebar_section(ws):
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return []
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# React renders rows progressively after navigation; poll until the
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# list stabilizes instead of trusting the first paint.
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prev = None
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for _ in range(4):
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names = _list_once(ws)
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if names and names == prev:
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return names
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prev = names
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time.sleep(2)
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return prev or []
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def open_sidechat(ws, name):
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"""Open the side chat by clicking its row div inside the sidebar section.
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Clicking the row (not a text search over the whole document) avoids
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hitting message text that happens to contain the chat name.
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"""
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ensure_sidebar_open(ws)
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b64 = base64.b64encode(name.encode()).decode()
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return ev1(ws, """(async () => {
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const nm = atob('%s');
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const T = (el) => (el.innerText || '').trim();
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const target = [...document.querySelectorAll('div')].find(el => {
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const cn = (el.className || '').toString();
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if (cn.indexOf('nav-row') === -1) return false;
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const m = T(el).match(/^([^\\n]+)\\n\\n(.+)$/);
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return m && m[1].trim() === nm;
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});
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if (!target) return 'NOTFOUND';
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target.click();
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await new Promise(r => setTimeout(r, 4000));
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const href = window.location.href;
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if (href.indexOf('/thread/') === -1) return 'NOTFOUND';
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return href;
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})()""" % b64, await_p=True)
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def navigate_main(ws):
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ws.send(json.dumps({"id": 2, "method": "Page.navigate",
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"params": {"url": "https://muse.ai/"}}))
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for _ in range(20):
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resp = json.loads(ws.recv())
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if resp.get("id") == 2:
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break
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time.sleep(6)
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def main():
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if len(sys.argv) < 3:
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print(json.dumps({"ok": False, "error": "usage"}))
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sys.exit(1)
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port, mode = sys.argv[1], sys.argv[2]
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name = sys.argv[3] if len(sys.argv) > 3 else ""
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try:
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ws = connect(port)
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except Exception as e: # noqa: BLE001
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print(json.dumps({"ok": False, "error": "cdp_connect_failed",
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"detail": str(e)[:120]}))
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return
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if ws is None:
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print(json.dumps({"ok": False, "error": "no_page"}))
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return
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try:
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if mode == "list":
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print(json.dumps({"ok": True,
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"sidechats": list_sidechats(ws)}))
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elif mode == "sidechat":
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href = open_sidechat(ws, name)
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if href == "NOTFOUND":
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print(json.dumps({"ok": False, "error": "sidechat_not_found",
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"name": name}))
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else:
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cur = read_current(ws)
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cur.update({"ok": True, "context": "sidechat", "name": name})
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print(json.dumps(cur))
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else:
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navigate_main(ws)
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cur = read_current(ws)
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cur.update({"ok": True, "context": "main", "name": "Main chat"})
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print(json.dumps(cur))
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except Exception as e: # noqa: BLE001
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print(json.dumps({"ok": False, "error": "probe_failed",
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"detail": str(e)[:200]}))
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finally:
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try:
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ws.close()
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except Exception: # noqa: BLE001
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pass
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main()
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