feat: initial WooAApanel plugin

Full WooCommerce plugin for aaPanel hosting management:
- aaPanel API client (all website + database endpoints)
- Admin: server management, site/DB assignments, full site/DB management panels
- Customer My Account: web hosting tab with sites and databases
- WooDomains PowerDNS integration for DNS management
- WooCommerce order auto-provisioning (product → server linking)
- Permission model: admin has all actions, customers have scoped access

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

assets/css/wooaapanel-account.css

@@ -0,0 +1,84 @@
+/* WooAApanel Account (My Account) Styles */
+
+#wooaapanel-account { margin-top: 16px; }
+
+/* ── Panels ───────────────────────────────────────────────────── */
+.wap-site-panel, .wap-db-panel {
+    border: 1px solid #e0e0e0;
+    border-radius: 6px;
+    margin-bottom: 20px;
+    overflow: hidden;
+}
+
+.wap-panel-header {
+    background: #f8f9fa;
+    padding: 14px 16px;
+    display: flex;
+    align-items: center;
+    flex-wrap: wrap;
+    gap: 8px;
+    border-bottom: 1px solid #e0e0e0;
+}
+
+.wap-site-name, .wap-db-name { font-weight: 700; font-size: 15px; }
+.wap-domain     { color: #0073aa; }
+.wap-server-label { color: #888; font-size: 12px; margin-left: auto; }
+
+/* ── Action buttons ──────────────────────────────────────────── */
+.wap-panel-actions { display: flex; flex-wrap: wrap; gap: 6px; }
+.wap-btn-sm { font-size: 12px !important; padding: 4px 10px !important; height: auto !important; line-height: 1.5 !important; }
+
+/* ── Sections ────────────────────────────────────────────────── */
+.wap-section { padding: 16px; border-top: 1px solid #f0f0f0; }
+.wap-section h4, .wap-section h5 { margin-top: 0; margin-bottom: 10px; }
+
+/* ── Tables inside sections ──────────────────────────────────── */
+.wap-section table { width: 100%; border-collapse: collapse; font-size: 13px; }
+.wap-section table th,
+.wap-section table td { padding: 6px 10px; border-bottom: 1px solid #f0f0f0; text-align: left; }
+.wap-section table th { background: #f8f8f8; font-weight: 600; }
+
+/* ── Input rows ───────────────────────────────────────────────── */
+.wap-section input[type="text"],
+.wap-section input[type="password"],
+.wap-section select {
+    padding: 6px 10px;
+    border: 1px solid #ddd;
+    border-radius: 3px;
+    font-size: 13px;
+    margin-right: 6px;
+}
+
+.wap-section textarea {
+    width: 100%;
+    padding: 8px;
+    border: 1px solid #ddd;
+    border-radius: 3px;
+    font-family: monospace;
+    font-size: 12px;
+}
+
+/* ── SSL info ─────────────────────────────────────────────────── */
+.wap-ssl-info p { margin: 4px 0; }
+.wap-ssl-info .wap-ssl-valid   { color: #155724; font-weight: 600; }
+.wap-ssl-info .wap-ssl-invalid { color: #721c24; font-weight: 600; }
+
+/* ── DNS ──────────────────────────────────────────────────────── */
+.wap-dns-add-form label { display: block; margin-bottom: 10px; }
+.wap-dns-add-form textarea { height: 70px; }
+
+/* ── Notices ──────────────────────────────────────────────────── */
+.wap-notice-inline {
+    display: inline-block;
+    padding: 4px 10px;
+    border-radius: 3px;
+    font-size: 12px;
+    margin-left: 6px;
+}
+.wap-notice-inline.ok    { background: #d4edda; color: #155724; }
+.wap-notice-inline.error { background: #f8d7da; color: #721c24; }
+
+/* ── DB action notice ─────────────────────────────────────────── */
+.wap-db-action-notice { padding: 0 16px; }
+.wap-db-action-notice.ok    { background: #d4edda; color: #155724; padding: 8px 16px; }
+.wap-db-action-notice.error { background: #f8d7da; color: #721c24; padding: 8px 16px; }