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>

composer.json

@@ -0,0 +1,47 @@
+{
+    "name": "dashboard/unifi",
+    "description": "UniFi network management, WiFi stats, and captive portal authentication for the Dashboard platform",
+    "version": "1.0.0",
+    "type": "library",
+    "license": "MIT",
+    "autoload": {
+        "psr-4": {
+            "Dashboard\\Unifi\\": "src/"
+        }
+    },
+    "extra": {
+        "laravel": {
+            "providers": [
+                "Dashboard\\Unifi\\UnifiServiceProvider"
+            ]
+        },
+        "dashboard": {
+            "nav_folder": {
+                "label": "Unifi Network",
+                "icon": "wifi",
+                "sort_order": 40
+            },
+            "pages": [
+                { "label": "WiFi Dashboard",   "route_name": "unifi.dashboard",        "icon": "chart-bar-square", "permission": "unifi.stats",    "sort_order": 1 },
+                { "label": "Client Dashboard", "route_name": "unifi.client.dashboard", "icon": "chart-pie",        "permission": "unifi.stats",    "sort_order": 2 },
+                { "label": "Devices",          "route_name": "unifi.devices",          "icon": "cpu-chip",         "permission": "unifi.stats",    "sort_order": 3 },
+                { "label": "Clients",          "route_name": "unifi.clients",          "icon": "users",            "permission": "unifi.stats",    "sort_order": 4 },
+                { "label": "WiFi Networks",    "route_name": "unifi.wifi",             "icon": "wifi",             "permission": "unifi.manage",   "sort_order": 5 },
+                { "label": "Portal",           "route_name": "unifi.portal.settings",  "icon": "shield-check",     "permission": "unifi.auth",     "sort_order": 6 },
+                { "label": "Webhooks",         "route_name": "unifi.webhooks.index",   "icon": "bell-alert",       "permission": "unifi.settings", "sort_order": 7 },
+                { "label": "Settings",         "route_name": "unifi.settings",         "icon": "cog-6-tooth",      "permission": "unifi.settings", "sort_order": 99 }
+            ],
+            "permissions": [
+                { "key": "unifi.stats",    "label": "View Network Stats",  "description": "View WiFi dashboards, AP stats, and client lists" },
+                { "key": "unifi.manage",   "label": "Manage Network",      "description": "Reboot APs, manage SSIDs, change WiFi passwords" },
+                { "key": "unifi.auth",     "label": "Manage Portal Auth",  "description": "Configure captive portal, VLAN mappings, MAC allowlist" },
+                { "key": "unifi.settings", "label": "Network Settings",    "description": "Configure UniFi controller connection" }
+            ]
+        }
+    },
+    "require": {
+        "php": "^8.2",
+        "illuminate/support": "^11.0|^12.0|^13.0",
+        "guzzlehttp/guzzle": "^7.0"
+    }
+}