feat: release v1.8.0 — connections dashboard, VK OAuth, sync config, catalog browser

- Connections dashboard with add/remove flow and background health checks
- VK OAuth connection with profile info and health monitoring
- Sync configuration page with master toggle and filter summary
- Catalog browser with store/group/product tables, filter management, CSV export
- Alembic migrations for all new tables
- run/read_config.py for shell sync script DB integration
- CHANGELOG.md updated for v1.8.0

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

web/templates/connections.html

@@ -2,8 +2,14 @@
 {% block title %}Подключения — EvoSync{% endblock %}
 
 {% block content %}
-<h1 class="h4 mb-4">Подключения</h1>
+<div class="d-flex align-items-center justify-content-between mb-4">
+    <h1 class="h4 mb-0">Подключения</h1>
+    <a href="/connections/add" class="btn btn-primary btn-sm">
+        <i class="bi bi-plus-lg me-1"></i>Добавить
+    </a>
+</div>
 
+{% if connections %}
 <div class="row g-3">
     {% for conn in connections %}
     <div class="col-sm-6 col-lg-4">
@@ -18,9 +24,7 @@
                         {% endif %}
                     </div>
                     <div class="ms-auto">
-                        {% if not conn.connected %}
-                            <i class="bi bi-circle text-secondary fs-5" title="Не подключено"></i>
-                        {% elif conn.is_online %}
+                        {% if conn.is_online %}
                             <i class="bi bi-circle-fill text-success fs-5" title="Онлайн"></i>
                         {% else %}
                             <i class="bi bi-circle-fill text-danger fs-5" title="Офлайн"></i>
@@ -28,18 +32,17 @@
                     </div>
                 </div>
 
-                <div class="d-grid gap-2">
-                    {% if conn.connected %}
-                        <a href="{{ conn.connect_url }}" class="btn btn-outline-primary btn-sm">Переподключить</a>
-                        <form method="post" action="{{ conn.disconnect_url }}">
-                            <button type="submit" class="btn btn-outline-danger btn-sm w-100">Отключить</button>
-                        </form>
-                    {% else %}
-                        <a href="{{ conn.connect_url }}" class="btn btn-primary btn-sm">Подключить</a>
-                    {% endif %}
+                <div class="d-flex gap-2">
+                    <a href="{{ conn.configure_url }}" class="btn btn-outline-primary btn-sm flex-fill">Настроить</a>
+                    <form method="post" action="/connections/delete?type={{ conn.type }}">
+                        <button type="submit"
+                            class="btn btn-outline-danger btn-sm"
+                            onclick="return confirm('Вы уверены, что хотите отключить {{ conn.name }}?')">
+                            Отключить
+                        </button>
+                    </form>
                 </div>
             </div>
-            {% if conn.connected %}
             <div class="card-footer text-muted small">
                 {% if conn.last_checked_at %}
                     Проверено: {{ conn.last_checked_at.strftime("%d.%m.%Y %H:%M") }}
@@ -47,9 +50,18 @@
                     Статус ещё не проверялся
                 {% endif %}
             </div>
-            {% endif %}
         </div>
     </div>
     {% endfor %}
 </div>
+
+{% else %}
+<div class="text-center py-5 text-muted">
+    <i class="bi bi-plug fs-1 mb-3 d-block"></i>
+    <p class="mb-3">Нет подключённых сервисов</p>
+    <a href="/connections/add" class="btn btn-primary">
+        <i class="bi bi-plus-lg me-1"></i>Добавить подключение
+    </a>
+</div>
+{% endif %}
 {% endblock %}