Initial implementation of IRC LLM bot

Full implementation from spec: ZNC/IRC client with TLS, Ollama LLM backend,
per-user SQLite conversation memory, and Flask web admin portal with 7 pages.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

portal/templates/config.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+{% block title %}Raw Config — IRC Bot Portal{% endblock %}
+{% block content %}
+<h1>Raw Config Editor</h1>
+
+{% if error %}
+<div class="alert alert-error">{{ error }}</div>
+{% endif %}
+{% if success %}
+<div class="alert alert-success">{{ success }}</div>
+{% endif %}
+
+<form method="post" class="settings-form">
+  <div class="section">
+    <div class="field-row">
+      <label>config.json</label>
+      <textarea name="config_raw" rows="30" class="mono">{{ raw_json }}</textarea>
+    </div>
+  </div>
+  <div class="actions">
+    <button type="submit" class="btn btn-primary">Save & Reload Bot</button>
+    <a href="{{ url_for('config_download') }}" class="btn btn-secondary">Download</a>
+    <form method="post" action="{{ url_for('config_upload') }}" enctype="multipart/form-data" style="display:inline">
+      <input type="file" name="config_file" accept=".json">
+      <button type="submit" class="btn btn-secondary">Upload</button>
+    </form>
+  </div>
+</form>
+{% endblock %}