Add chat actions, channels/groups mgmt, directory + deadmans bots, network status

Profiles/bots (profiles.py, main.py):
- Surface real send errors; fix group send and member-count staleness (refresh on view)
- Group/channel actions: join, leave, owner delete; consistent member counts
- Contacts: always-visible Chat, plus Clear chat and Delete contact
- Support bot: OpenAI-compatible LLM backend (Grok/Ollama/OpenAI) per-bot config
- Deadmans bot: check-in window, trigger message, recipients, owner
- Directory bot: add-to-group registration, super-user /approve /reject /list, search,
  publishes listing.json in the website schema (directory.py registry module)
- Profile edit (name/bio/avatar) + avatars on list pages
- Global status + /network page (operators, SMP/XFTP servers) and Settings network info

UI (templates):
- Chat rooms; collapsible left sidebar with notifications + network widget
- Per-directory-bot website generated on creation (name substituted)
- Matrix theme; copy/hyperlink addresses; site footer

Ignore runtime bot state and generated directory sites.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

manager/templates/notifications.html

@@ -0,0 +1,63 @@
+{% extends "base.html" %}
+{% block title %}Notifications — SimpleX Manager{% endblock %}
+
+{% block head %}
+<style>
+  .notif-item { display: block; padding: 14px 18px; border-bottom: 1px solid var(--border);
+                text-decoration: none; color: var(--text); border-left: 3px solid transparent; }
+  .notif-item:last-child { border-bottom: none; }
+  .notif-item:hover { background: var(--bg); }
+  .notif-item.unread { border-left-color: var(--accent); }
+  .notif-text { margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 540px; }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="flex-between" style="margin-bottom: 24px;">
+  <h1 style="margin:0;">Notifications</h1>
+  {% if items %}
+  <button class="btn btn-ghost" onclick="markAllRead()">Mark all read</button>
+  {% endif %}
+</div>
+
+{% if items %}
+<div class="card" style="padding:0;">
+  {% for n in items %}
+  <a class="notif-item {% if not n.read %}unread{% endif %}"
+     href="/profile/{{ n.profile_id }}/chat/{{ n.chat_type }}/{{ n.chat_id }}">
+    <div class="flex-between">
+      <div style="min-width:0;">
+        <div><strong>{{ n.sender or 'Someone' }}</strong> <span class="muted">→ {{ n.profile_name }}</span></div>
+        <div class="muted notif-text">{{ n.text }}</div>
+      </div>
+      <span class="muted notif-time" data-ts="{{ n.ts }}" style="flex-shrink:0;margin-left:12px;"></span>
+    </div>
+  </a>
+  {% endfor %}
+</div>
+{% else %}
+<div class="card" style="text-align:center;padding:48px;color:var(--muted);">
+  No notifications yet. Incoming messages across all accounts will appear here.
+</div>
+{% endif %}
+
+<script>
+function _ntoken(){ return document.cookie.match(/(?:^|;\s*)token=([^;]+)/)?.[1] || ''; }
+
+async function markAllRead() {
+  await fetch('/api/notifications/read', { method: 'POST', headers: { 'X-Token': _ntoken() } });
+  location.reload();
+}
+
+// Localize timestamps
+document.querySelectorAll('.notif-time').forEach(el => {
+  const d = new Date(el.dataset.ts);
+  if (!isNaN(d)) el.textContent = d.toLocaleString([], {month:'short', day:'numeric', hour:'2-digit', minute:'2-digit'});
+});
+
+// Mark read shortly after viewing so the badge clears (keeps this view's highlights)
+setTimeout(() => {
+  fetch('/api/notifications/read', { method: 'POST', headers: { 'X-Token': _ntoken() } });
+}, 1200);
+</script>
+{% endblock %}