fix(api): validate token team context

app/Http/Kernel.php

@@ -12,6 +12,7 @@ use App\Http\Middleware\CheckForcePasswordReset;
 use App\Http\Middleware\DecideWhatToDoWithUser;
 use App\Http\Middleware\EncryptCookies;
 use App\Http\Middleware\EnsureMcpEnabled;
+use App\Http\Middleware\EnsureTokenBelongsToCurrentTeamMember;
 use App\Http\Middleware\PreventRequestsDuringMaintenance;
 use App\Http\Middleware\RedirectIfAuthenticated;
 use App\Http\Middleware\TrimStrings;
@@ -104,6 +105,7 @@ class Kernel extends HttpKernel
         'ability' => CheckForAnyAbility::class,
         'api.ability' => ApiAbility::class,
         'api.sensitive' => ApiSensitiveData::class,
+        'api.token.team' => EnsureTokenBelongsToCurrentTeamMember::class,
         'can.create.resources' => CanCreateResources::class,
         'can.update.resource' => CanUpdateResource::class,
         'can.access.terminal' => CanAccessTerminal::class,

app/Http/Middleware/EnsureTokenBelongsToCurrentTeamMember.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureTokenBelongsToCurrentTeamMember
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $user = $request->user();
+        $token = $user?->currentAccessToken();
+        $teamId = $token?->team_id;
+
+        if (! $user || ! $token || is_null($teamId)) {
+            return response()->json(['message' => 'Invalid token.'], 401);
+        }
+
+        $team = $user->teams()
+            ->where('teams.id', $teamId)
+            ->first();
+
+        if (! $team) {
+            return response()->json(['message' => 'Invalid token.'], 401);
+        }
+
+        $role = $team->pivot?->role;
+        if (($token->can('root') || $token->can('write') || $token->can('write:sensitive'))
+            && ! in_array($role, ['admin', 'owner'], true)) {
+            return response()->json(['message' => 'Missing required team role.'], 403);
+        }
+
+        return $next($request);
+    }
+}