diff --git a/.agents/skills/api-technical-specs/SKILL.md b/.agents/skills/api-technical-specs/SKILL.md
index 6257d25..5f68fc0 100644
--- a/.agents/skills/api-technical-specs/SKILL.md
+++ b/.agents/skills/api-technical-specs/SKILL.md
@@ -149,24 +149,10 @@ description: 本技能規範定義了 Star Cloud 系統中所有機台 (IoT) 與
 
 ---
 
-### 3.6 B013: 機台故障與異常狀態上報 (Error/Status Report)
-用於接收機台發出的即時硬體狀態代碼（如卡貨、門未關），並自動由雲端後端翻譯為易讀日誌。
-
-- **URL**: POST /api/v1/app/machine/error/B013
-- **Authentication**: Bearer Token (Header)
-- **Request Body:**
-
-| 參數 | 類型 | 必填 | 說明 | 範例 |
-| :--- | :--- | :--- | :--- | :--- |
-| tid | Integer | 否 | 涉及之貨道編號 (Slot No) | 12 |
-| error_code | String | 是 | 硬體狀態代碼 (4 位 16 進位) | "0403" |
-
-- **回應 (Success 202):**
-
-| 參數 | 類型 | 說明 | 範例 |
-| :--- | :--- | :--- | :--- |
-| success | Boolean | 請求已接收 | true |
-| code | Integer | 200 | 200 |
+### 3.6 B013: [DEPRECATED / REMOVED] 機台故障與異常狀態上報
+> [!WARNING]
+> **此 REST API 已廢棄並移除**。機台異常上報已全面遷移至 **MQTT** 即時通訊架構。
+> 請參閱 [MQTT 通訊規範 - B013 異常上報](file:///home/mama/projects/star-cloud/.agents/skills/mqtt-communication-specs/SKILL.md#32-異常與錯誤上報-b013) 進行串接。
 
 #### B013 硬體代碼對照表 (由 MachineService 自動翻譯)
 
diff --git a/app/Http/Controllers/Api/V1/App/MachineController.php b/app/Http/Controllers/Api/V1/App/MachineController.php
index eb0e62d..08a3b43 100644
--- a/app/Http/Controllers/Api/V1/App/MachineController.php
+++ b/app/Http/Controllers/Api/V1/App/MachineController.php
@@ -430,23 +430,6 @@ class MachineController extends Controller
         ]);
     }
 
-    /**
-     * B013: Report Machine Hardware Error/Status (Asynchronous)
-     */
-    public function reportError(Request $request)
-    {
-        $machine = $request->get('machine');
-        $data = $request->only(['tid', 'error_code']);
-
-        // 異步分派處理 (Dispatch to queue)
-        ProcessMachineError::dispatch($machine->serial_no, $data);
-
-        return response()->json([
-            'success' => true,
-            'code' => 200,
-            'message' => __('Error report accepted'),
-        ], 202); // 202 Accepted
-    }
 
     /**
      * B014: Download Machine Settings & Config (Synchronous)
diff --git a/config/api-docs.php b/config/api-docs.php
index 0112cb5..161f242 100644
--- a/config/api-docs.php
+++ b/config/api-docs.php
@@ -410,54 +410,6 @@ return [
                     ],
                     'notes' => '運作邏輯 (Client-side Logic): GET 執行全量同步，App 應於收到成功回應後，先執行 deleteAll() 再進行 insertAll()。PATCH 執行增量更新，App 僅對記憶體中的既存商品進行欄位值覆蓋 (Patching)。'
                 ],
-                [
-                    'name' => 'B013: 機台故障與異常狀態上報 (Error/Status Report)',
-                    'slug' => 'b013-error-report',
-                    'method' => 'POST',
-                    'path' => '/api/v1/app/machine/error/B013',
-                    'description' => '用於接收機台發出的即時硬體狀態代碼（如卡貨、門未關）。身份由 Bearer Token 識別，回傳成功代表伺服器已將任務列入異步隊列處理。',
-                    'headers' => [
-                        'Authorization' => 'Bearer <api_token>',
-                        'Content-Type' => 'application/json',
-                    ],
-                    'parameters' => [
-                        'tid' => [
-                            'type' => 'integer',
-                            'required' => false,
-                            'description' => '涉及到之具體貨道編號 (Slot No)',
-                            'example' => 12
-                        ],
-                        'error_code' => [
-                            'type' => 'string',
-                            'required' => true,
-                            'description' => '硬體狀態代碼 (4 位 16 進位字串)',
-                            'example' => '0403'
-                        ],
-                    ],
-                    'response_parameters' => [
-                        'success' => [
-                            'type' => 'boolean',
-                            'description' => '請求是否已成功接收',
-                            'example' => true
-                        ],
-                        'code' => [
-                            'type' => 'integer',
-                            'description' => '內部業務狀態碼',
-                            'example' => 200
-                        ],
-                    ],
-                    'request' => [
-                        'tid' => 12,
-                        'error_code' => '0403',
-                    ],
-                    'response' => [
-                        'success' => true,
-                        'code' => 200,
-                        'message' => 'Error report accepted'
-                    ],
-                    'notes' => '硬體代碼對照表見後端 MachineService::ERROR_CODE_MAP 定義。
-0402: 出貨成功, 0403: 貨道卡貨, 0202: 貨道缺貨, 0415: 取貨門異常...等。'
-                ],
                 [
                     'name' => 'B017: 貨道庫存同步 (Slot Synchronization)',
                     'slug' => 'b017-slot-sync',
diff --git a/routes/api.php b/routes/api.php
index c110905..936abba 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -71,8 +71,6 @@ Route::prefix('v1')->middleware(['throttle:api'])->group(function () {
         // 統一商品主檔 API (B012 整合版)
         Route::match(['get', 'patch'], 'machine/products/B012', [App\Http\Controllers\Api\V1\App\MachineController::class, 'getProducts']);
 
-        // 機台故障與異常上報 (B013)
-        Route::post('machine/error/B013', [App\Http\Controllers\Api\V1\App\MachineController::class, 'reportError']);
 
         // 遠端指令出貨控制 (B055)
         Route::get('machine/dispense/B055', [App\Http\Controllers\Api\V1\App\MachineController::class, 'getDispenseQueue']);