feat(v5): add server reconciliation and canvas APIs

Split V5 dashboard behavior into domain controllers and policies,
add agent token rotation/revocation, status reconciliation jobs,
ingress firewall syncing, and canvas connection APIs.

Add migrations for V5 status tracking, server capabilities, resource
connection aliases, and revoked agent tokens.

config/horizon.php

@@ -192,6 +192,24 @@ return [
             'sleep' => 3,
             'timeout' => env('HORIZON_TIMEOUT', 36000),
         ],
+
+        // Dedicated low-priority pool for the v5 reconcile + host-token rotation
+        // jobs (queue `v5-reconcile`, set via onQueue()). Isolated from the
+        // user-facing high/default deploy pool so a starved rotation cannot let
+        // host tokens drift to expiry, and so the 5-minute fleet fan-out never
+        // blocks deploys.
+        'v5reconcile' => [
+            'connection' => 'redis',
+            'balance' => env('HORIZON_V5_RECONCILE_BALANCE', 'false'),
+            'queue' => 'v5-reconcile',
+            'maxTime' => env('HORIZON_V5_RECONCILE_MAX_TIME', 0),
+            'maxJobs' => 200,
+            'memory' => 128,
+            'tries' => 1,
+            'nice' => 10,
+            'sleep' => 3,
+            'timeout' => env('HORIZON_V5_RECONCILE_TIMEOUT', 300),
+        ],
     ],
 
     'environments' => [
@@ -203,7 +221,11 @@ return [
                 'balanceMaxShift' => env('HORIZON_BALANCE_MAX_SHIFT', 1),
                 'balanceCooldown' => env('HORIZON_BALANCE_COOLDOWN', 1),
             ],
-
+            'v5reconcile' => [
+                'autoScalingStrategy' => 'size',
+                'minProcesses' => env('HORIZON_V5_RECONCILE_MIN_PROCESSES', 1),
+                'maxProcesses' => env('HORIZON_V5_RECONCILE_MAX_PROCESSES', 2),
+            ],
         ],
         'local' => [
             's6' => [
@@ -213,6 +235,11 @@ return [
                 'balanceMaxShift' => env('HORIZON_BALANCE_MAX_SHIFT', 1),
                 'balanceCooldown' => env('HORIZON_BALANCE_COOLDOWN', 1),
             ],
+            'v5reconcile' => [
+                'autoScalingStrategy' => 'size',
+                'minProcesses' => env('HORIZON_V5_RECONCILE_MIN_PROCESSES', 1),
+                'maxProcesses' => env('HORIZON_V5_RECONCILE_MAX_PROCESSES', 1),
+            ],
         ],
     ],
 ];