diff --git a/psalm.xml b/psalm.xml
index 01ea359..1ec8788 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -64,9 +64,6 @@
                 <referencedClass name="Core\Tenant\Models\User" />
                 <referencedClass name="Core\Tenant\Services\EntitlementService" />
                 <referencedClass name="Core\Config\Workspace" />
-                <!-- Pending Core\Service module (see plans/code/core/lint/RFC.md) -->
-                <referencedClass name="Core\Service\Contracts\HealthCheckable" />
-                <referencedClass name="Core\Service\HealthCheckResult" />
                 <!-- Pending Front\Client frontage subpackage -->
                 <referencedClass name="Core\Front\Client\Boot" />
                 <!-- Laravel framework classes Psalm CI doesn't always resolve -->
@@ -74,12 +71,6 @@
             </errorLevel>
         </UndefinedClass>
 
-        <!-- Pending Core\Service module — referenced by Cdn BunnyStorageService and app variant -->
-        <MissingDependency>
-            <errorLevel type="suppress">
-                <directory name="src/Core/Cdn" />
-            </errorLevel>
-        </MissingDependency>
 
         <!-- Suppress false positives from strict type analysis -->
         <NoValue>
diff --git a/src/Core/Cdn/Services/BunnyStorageService.php b/src/Core/Cdn/Services/BunnyStorageService.php
index 9447228..03741ef 100644
--- a/src/Core/Cdn/Services/BunnyStorageService.php
+++ b/src/Core/Cdn/Services/BunnyStorageService.php
@@ -14,8 +14,6 @@
 use Bunny\Storage\Client;
 use Core\Config\ConfigService;
 use Core\Crypt\LthnHash;
-use Core\Service\Contracts\HealthCheckable;
-use Core\Service\HealthCheckResult;
 use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Storage;
 
@@ -27,9 +25,11 @@
  * - Private zone: DRM/gated content
  *
  * Supports vBucket scoping for workspace-isolated CDN paths.
- * Implements HealthCheckable for monitoring CDN connectivity.
+ * Zone reachability is exposed through checkZoneHealth() and isReachable();
+ * turning that into a service health report belongs to dappcore/service,
+ * which is the package that depends on this one.
  */
-class BunnyStorageService implements HealthCheckable
+class BunnyStorageService
 {
     protected ?Client $publicClient = null;
 
@@ -555,84 +555,19 @@ public function vBucketList(string $domain, string $path = '', string $zone = 'p
         return $this->list($scopedPath, $zone);
     }
 
-    // ─────────────────────────────────────────────────────────────────────────────
-    // Health Check (implements HealthCheckable)
-    // ─────────────────────────────────────────────────────────────────────────────
-
-    /**
-     * Perform a health check on the CDN storage zones.
-     *
-     * Tests connectivity by listing the root directory of configured storage zones.
-     * Returns a HealthCheckResult with status, latency, and zone information.
-     */
-    public function healthCheck(): HealthCheckResult
-    {
-        $publicConfigured = $this->isConfigured('public');
-        $privateConfigured = $this->isConfigured('private');
-
-        if (! $publicConfigured && ! $privateConfigured) {
-            return HealthCheckResult::unknown('No CDN storage zones configured');
-        }
-
-        $results = [];
-        $startTime = microtime(true);
-        $hasError = false;
-        $isDegraded = false;
-
-        // Check public zone
-        if ($publicConfigured) {
-            $publicResult = $this->checkZoneHealth('public');
-            $results['public'] = $publicResult;
-            if (! $publicResult['success']) {
-                $hasError = true;
-            } elseif ($publicResult['latency_ms'] > 1000) {
-                $isDegraded = true;
-            }
-        }
-
-        // Check private zone
-        if ($privateConfigured) {
-            $privateResult = $this->checkZoneHealth('private');
-            $results['private'] = $privateResult;
-            if (! $privateResult['success']) {
-                $hasError = true;
-            } elseif ($privateResult['latency_ms'] > 1000) {
-                $isDegraded = true;
-            }
-        }
-
-        $totalLatency = (microtime(true) - $startTime) * 1000;
-
-        if ($hasError) {
-            return HealthCheckResult::unhealthy(
-                'One or more CDN storage zones are unreachable',
-                ['zones' => $results],
-                $totalLatency
-            );
-        }
-
-        if ($isDegraded) {
-            return HealthCheckResult::degraded(
-                'CDN storage zones responding slowly',
-                ['zones' => $results],
-                $totalLatency
-            );
-        }
-
-        return HealthCheckResult::healthy(
-            'All configured CDN storage zones operational',
-            ['zones' => $results],
-            $totalLatency
-        );
-    }
-
     /**
      * Check health of a specific storage zone.
      *
+     * Public because it is the seam the health-reporting decorator in
+     * dappcore/service consumes. That decorator composes this service rather
+     * than extending it, so a protected probe would be unreachable and the
+     * relocation would cost the detail — latency and the error string — that
+     * makes a health report worth reading.
+     *
      * @param  string  $zone  'public' or 'private'
      * @return array{success: bool, latency_ms: float, error?: string}
      */
-    protected function checkZoneHealth(string $zone): array
+    public function checkZoneHealth(string $zone): array
     {
         $startTime = microtime(true);
 
@@ -677,7 +612,8 @@ protected function checkZoneHealth(string $zone): array
     /**
      * Perform a quick connectivity check.
      *
-     * Simpler than healthCheck() - just returns true/false.
+     * A boolean answer, for callers that only need reachability. The detailed
+     * per-zone probe is checkZoneHealth().
      *
      * @param  string  $zone  'public', 'private', or 'any' (default)
      */
diff --git a/src/Core/Tests/Feature/CdnIntegrationTest.php b/src/Core/Tests/Feature/CdnIntegrationTest.php
index c07e3d6..b4abd07 100644
--- a/src/Core/Tests/Feature/CdnIntegrationTest.php
+++ b/src/Core/Tests/Feature/CdnIntegrationTest.php
@@ -12,6 +12,7 @@
 namespace Core\Tests\Feature;
 
 use Core\Cdn\Services\AssetPipeline;
+use Core\Cdn\Services\BunnyStorageService;
 use Core\Cdn\Services\CdnUrlBuilder;
 use Core\Cdn\Services\StorageUrlResolver;
 use Core\Tests\TestCase;
@@ -67,9 +68,24 @@ protected function setUp(): void
             'visibility' => 'private',
         ]);
 
-        // Initialize services
+        // Initialize services.
+        //
+        // StorageUrlResolver takes the storage service first and the URL builder
+        // second, and the builder is the optional one. This passed the builder
+        // into the first parameter and omitted the required argument entirely,
+        // so every test in this file died in setUp on a TypeError — 30 of them,
+        // reported as 30 failures rather than as the one line they are.
+        //
+        // BunnyStorageService comes from the container, which is how production
+        // gets it: Core\Cdn\Boot registers StorageUrlResolver as a singleton and
+        // lets Laravel autowire the chain. Resolving it here rather than
+        // hand-building BunnyStorageService(ConfigService) keeps the test on the
+        // same path the application uses.
         $this->urlBuilder = new CdnUrlBuilder();
-        $this->urlResolver = new StorageUrlResolver($this->urlBuilder);
+        $this->urlResolver = new StorageUrlResolver(
+            app(BunnyStorageService::class),
+            $this->urlBuilder,
+        );
         $this->assetPipeline = new AssetPipeline($this->urlResolver);
     }