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/DeviceController.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Dashboard\Unifi\Http\Controllers;
+
+use Dashboard\Unifi\Services\UnifiApiClient;
+use Illuminate\Http\Request;
+use Illuminate\Routing\Controller;
+use Inertia\Inertia;
+
+class DeviceController extends Controller
+{
+    public function index(UnifiApiClient $unifi)
+    {
+        try {
+            $devices = collect($unifi->getDevices())->map(fn ($d) => [
+                'mac'        => $d['mac'],
+                'name'       => $d['name'] ?? $d['model'] ?? 'Unknown',
+                'model'      => $d['model'] ?? '',
+                'type'       => $d['type'] ?? '',
+                'ip'         => $d['ip'] ?? '',
+                'version'    => $d['version'] ?? '',
+                'state'      => $d['state'] ?? 0,
+                'adopted'    => $d['adopted'] ?? false,
+                'upgradable' => $d['upgradable'] ?? false,
+                'uptime'     => $d['uptime'] ?? 0,
+                'num_sta'    => $d['num_sta'] ?? 0,
+                'tx_bytes'   => $d['tx_bytes'] ?? 0,
+                'rx_bytes'   => $d['rx_bytes'] ?? 0,
+                'cpu'        => $d['system-stats']['cpu'] ?? null,
+                'mem'        => $d['system-stats']['mem'] ?? null,
+                'satisfaction' => $d['satisfaction'] ?? null,
+                'channels'   => collect($d['radio_table'] ?? [])->map(fn ($r) => [
+                    'radio'   => $r['radio'] ?? '',
+                    'channel' => $r['channel'] ?? null,
+                    'ht'      => $r['ht'] ?? '',
+                ])->values(),
+            ])->values();
+
+            return Inertia::render('Unifi/Devices', ['devices' => $devices]);
+        } catch (\Throwable $e) {
+            return Inertia::render('Unifi/Devices', ['devices' => [], 'error' => $e->getMessage()]);
+        }
+    }
+
+    public function reboot(Request $request, UnifiApiClient $unifi)
+    {
+        $request->validate(['mac' => 'required|string|regex:/^([0-9a-f]{2}:){5}[0-9a-f]{2}$/i']);
+
+        try {
+            $unifi->rebootDevice($request->mac);
+            return back()->with('success', 'Reboot command sent.');
+        } catch (\Throwable $e) {
+            return back()->withErrors(['error' => $e->getMessage()]);
+        }
+    }
+}