feat: initial commit — UniFi snap-in package

Full UniFi dashboard snap-in including:
- WiFi/client/device stats with time-series snapshots
- Client Dashboard with traffic, satisfaction, signal, download charts
- Webhook alerting with debounced offline/online detection
- AP snapshot collection, client snapshot collection
- Device classification (type and OS) from OUI/hostname heuristics
- Webhook cooldown, templates, and multi-platform delivery

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

src/Http/Controllers/ClientController.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Dashboard\Unifi\Http\Controllers;
+
+use Dashboard\Unifi\Models\KnownMac;
+use Dashboard\Unifi\Models\PortalSession;
+use Dashboard\Unifi\Services\UnifiApiClient;
+use Illuminate\Http\Request;
+use Illuminate\Routing\Controller;
+use Inertia\Inertia;
+
+class ClientController extends Controller
+{
+    public function index(UnifiApiClient $unifi)
+    {
+        try {
+            $clients = collect($unifi->getActiveClients())->map(fn ($c) => [
+                'mac'          => $c['mac'],
+                'hostname'     => $c['hostname'] ?? $c['name'] ?? '',
+                'ip'           => $c['ip'] ?? '',
+                'oui'          => $c['oui'] ?? '',
+                'os'           => $c['os_name'] ?? null,
+                'dev_cat'      => $c['dev_cat'] ?? null,
+                'dev_family'   => $c['dev_family'] ?? null,
+                'dev_vendor'   => $c['dev_vendor'] ?? null,
+                'is_wired'     => $c['is_wired'] ?? false,
+                'is_guest'     => $c['is_guest'] ?? false,
+                'ssid'         => $c['essid'] ?? null,
+                'ap_mac'       => $c['ap_mac'] ?? null,
+                'rssi'         => $c['rssi'] ?? null,
+                'signal'       => $c['signal'] ?? null,
+                'channel'      => $c['channel'] ?? null,
+                'tx_bytes'     => $c['tx_bytes'] ?? 0,
+                'rx_bytes'     => $c['rx_bytes'] ?? 0,
+                'tx_rate'      => $c['tx_rate'] ?? 0,
+                'rx_rate'      => $c['rx_rate'] ?? 0,
+                'uptime'       => $c['uptime'] ?? 0,
+                'satisfaction' => $c['satisfaction'] ?? null,
+                'is_known'     => KnownMac::where('mac_address', strtolower($c['mac']))->exists(),
+            ])->values();
+
+            return Inertia::render('Unifi/Clients', ['clients' => $clients]);
+        } catch (\Throwable $e) {
+            return Inertia::render('Unifi/Clients', ['clients' => [], 'error' => $e->getMessage()]);
+        }
+    }
+
+    public function kick(Request $request, UnifiApiClient $unifi)
+    {
+        $request->validate(['mac' => 'required|string']);
+
+        try {
+            $unifi->kickClient($request->mac);
+            // Deactivate portal session if there is one
+            PortalSession::where('mac_address', strtolower($request->mac))
+                ->where('is_active', true)
+                ->update(['is_active' => false]);
+
+            return back()->with('success', 'Client disconnected.');
+        } catch (\Throwable $e) {
+            return back()->withErrors(['error' => $e->getMessage()]);
+        }
+    }
+}