docs: update all documentation and AGENTS.md

docs/overview.md

@@ -40,8 +40,6 @@ WireGuard support provides server-side VPN tunnel management. Peers are added th
 - dnsmasq
 - WireGuard tools (wireguard-tools)
 - acme.sh for ACME certificate management (ZeroSSL by default)
-- HTMX for dynamic UI updates
-- Jinja2 for server-side templating
 
 ## Quick Start
 
@@ -112,8 +110,7 @@ After installation, access the management interface at `https://<hostname>.local
 │   │   ├── wireguard.py     # WireGuard API
 │   │   ├── network.py       # Networkd API
 │   │   └── logs.py          # Logs API
-│   ├── templates/           # Jinja2/HTMX templates
-│   └── static/              # CSS and client-side JS
+│   └── static/              # SPA (index.html, app.js, reactive-dom.js, style.css)
 ├── docs/                    # Documentation
 │   ├── overview.md          # This file
 │   ├── deployment.md