Initial import: eCW Charge Validation bot and results Portal

Snapshot of the working project as of 2026-10-23 (local 2d4d4fc), one
commit with no earlier history: the tracked files were de-identified
first (synthetic claim ids and patient data only; see Context.md
section 7). Credentials, run logs, screenshots, claim reports and client
workbooks are gitignored and not included.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

web/templates/signins.html

@@ -0,0 +1,23 @@
+{% extends "base.html" %}
+{% block title %}Sign-in history{% endblock %}
+{% block style %}
+  table.plain { width: 100%; border-collapse: collapse; font-size: 13px; }
+  table.plain th, table.plain td { text-align: left; padding: 7px 8px;
+                                   border-bottom: 1px solid var(--line); }
+  table.plain th { color: #3b4757; font-size: 12px; text-transform: uppercase;
+                   letter-spacing: .4px; background: var(--head); }
+  tr.wrong_password td, tr.locked td, tr.disabled_attempt td { color: var(--fail); }
+{% endblock %}
+{% block content %}
+<h1>Sign-in history</h1>
+<p class="sub">The latest 300: Sign-ins, Sign-outs, wrong passwords, locks,
+  timeouts and every change an Admin made, newest first.</p>
+{% if events %}
+<div class="card">
+  <table class="plain">
+    <thead><tr><th>When</th><th>User</th><th>What</th><th>By</th></tr></thead>
+    <tbody>{% for e in events %}<tr class="{{ e.event }}"><td>{{ e.at | usdate }}</td><td>{{ e.username }}</td><td>{{ e.event | replace('_', ' ') }}</td><td>{{ e.by_user or "" }}</td></tr>{% endfor %}</tbody>
+  </table>
+</div>
+{% else %}<div class="empty">Nothing yet.</div>{% endif %}
+{% endblock %}