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/Models/ApSnapshot.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ApSnapshot extends Model
+{
+    public $timestamps = false;
+    protected $table    = 'unifi_ap_snapshots';
+    protected $fillable = [
+        'ap_mac', 'ap_name', 'num_sta', 'rx_bytes', 'tx_bytes',
+        'tx_retries', 'tx_dropped', 'rx_dropped', 'tx_errors', 'rx_errors',
+        'satisfaction', 'cu_2g', 'cu_5g', 'cu_6g', 'captured_at',
+    ];
+    protected $casts = ['captured_at' => 'datetime'];
+}

src/Models/ClientSnapshot.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ClientSnapshot extends Model
+{
+    public $timestamps = false;
+    protected $table    = 'unifi_client_snapshots';
+    protected $fillable = [
+        'mac', 'name', 'dev_cat', 'os_name', 'is_wired',
+        'rx_bytes', 'tx_bytes', 'satisfaction', 'signal', 'captured_at',
+    ];
+    protected $casts = [
+        'captured_at' => 'datetime',
+        'is_wired'    => 'bool',
+    ];
+}

src/Models/DeviceState.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class DeviceState extends Model
+{
+    public $timestamps = false;
+    protected $table    = 'unifi_device_states';
+    protected $fillable = ['device_mac', 'device_name', 'was_online', 'consecutive_count', 'last_seen_at', 'updated_at'];
+    protected $casts    = ['was_online' => 'boolean', 'last_seen_at' => 'datetime', 'updated_at' => 'datetime'];
+}

src/Models/KnownMac.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class KnownMac extends Model
+{
+    protected $table    = 'unifi_known_macs';
+    protected $fillable = ['mac_address', 'device_name', 'device_type', 'owner', 'vlan_id', 'notes'];
+
+    public function setMacAddressAttribute($value)
+    {
+        $this->attributes['mac_address'] = strtolower($value);
+    }
+}

src/Models/PortalSession.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class PortalSession extends Model
+{
+    protected $table    = 'unifi_portal_sessions';
+    protected $fillable = [
+        'user_id', 'mac_address', 'device_hostname', 'device_os', 'device_type',
+        'ssid', 'vlan_id', 'ap_mac', 'is_active', 'authorized_at', 'expires_at',
+    ];
+    protected $casts = [
+        'is_active'     => 'boolean',
+        'authorized_at' => 'datetime',
+        'expires_at'    => 'datetime',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\User::class);
+    }
+
+    public function setMacAddressAttribute($value)
+    {
+        $this->attributes['mac_address'] = strtolower($value);
+    }
+}

src/Models/VlanMapping.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class VlanMapping extends Model
+{
+    protected $table    = 'unifi_vlan_mappings';
+    protected $fillable = ['group_name', 'match_type', 'match_value', 'vlan_id', 'max_devices', 'session_minutes', 'sort_order'];
+}

src/Models/WebhookConfig.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class WebhookConfig extends Model
+{
+    protected $table    = 'unifi_webhook_configs';
+    protected $fillable = ['name', 'url', 'secret', 'is_active', 'events', 'thresholds', 'device_filter', 'tracked_clients', 'templates', 'cooldown_minutes'];
+    protected $casts    = ['is_active' => 'boolean', 'events' => 'array', 'thresholds' => 'array', 'device_filter' => 'array', 'tracked_clients' => 'array', 'templates' => 'array'];
+
+    public function logs() { return $this->hasMany(WebhookLog::class, 'webhook_config_id'); }
+}

src/Models/WebhookLog.php

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+<?php
+
+namespace Dashboard\Unifi\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class WebhookLog extends Model
+{
+    public $timestamps = false;
+    protected $table    = 'unifi_webhook_logs';
+    protected $fillable = ['webhook_config_id', 'event_type', 'payload', 'response_code', 'response_body', 'fired_at'];
+    protected $casts    = ['payload' => 'array', 'fired_at' => 'datetime'];
+
+    public function config() { return $this->belongsTo(WebhookConfig::class, 'webhook_config_id'); }
+}