<?php

return [
    'title' => 'Star Cloud IoT 通訊協議',
    'version' => 'v1.0.0',
    'description' => '此文件提供 Star Cloud 智能販賣機 IoT 端點通訊協議說明，包含主動拉取 (HTTP REST) 與被動接收 (MQTT) 雙軌通訊機制，供硬體端與前端開發者調研與串接使用。',

    'http_apis' => [
        [
            'name' => '機台核心通訊 (IoT Core)',
            'apis' => [
                [
                    'name' => 'B000: 維運人員登入認證 (Technician Login)',
                    'slug' => 'b000-tech-login',
                    'method' => 'POST',
                    'path' => '/api/v1/app/admin/login/B000',
                    'description' => '機台啟動引導的第一步。維運人員輸入個人帳密與機台編號進行認證，成功後核發臨時 Sanctum Token 供後續 B014 下載敏感設定使用。',
                    'headers' => [
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'username' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '維運人員帳號',
                            'example' => 'admin_test'
                        ],
                        'password' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '維運人員密碼',
                            'example' => 'password123'
                        ],
                        'machine' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '機台序號 (Serial No)',
                            'example' => 'SN202604130001'
                        ],
                    ],
                    'response_parameters' => [
                        'message' => [
                            'type' => 'string',
                            'description' => '回應訊息',
                            'example' => 'Success'
                        ],
                        'token' => [
                            'type' => 'string',
                            'description' => '臨時身份認證 Token (Sanctum)',
                            'example' => '1|abcdefg...'
                        ],
                    ],
                    'request' => [
                        'username' => 'admin_test',
                        'password' => 'password123',
                        'machine' => 'SN202604130001'
                    ],
                    'response' => [
                        'message' => 'Success',
                        'token' => '1|abcdefg...'
                    ],
                ],
                [
                    'name' => 'B014: 機台參數與金鑰下載 (Config Download)',
                    'slug' => 'b014-config-download',
                    'method' => 'GET',
                    'path' => '/api/v1/app/machine/setting/B014',
                    'description' => '機台引導階段的第二步。在人員登入後，透過此介面下載金流金鑰、電子發票設定與機台專屬通訊 Token。',
                    'headers' => [
                        'Authorization' => 'Bearer <user_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'machine' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '機台序號',
                            'example' => 'SN202604130001'
                        ],
                    ],
                    'response_parameters' => [
                        'success' => [
                            'type' => 'boolean',
                            'description' => '是否成功',
                            'example' => true
                        ],
                        'data' => [
                            'type' => 'array',
                            'description' => '配置物件陣列。包含：t050v01 (序號), api_token (通訊 Token), t050v41~43 (玉山設定), t050v34~38 (發票設定), TP_... (趨勢/手機支付設定)',
                            'example' => [
                                [
                                    't050v01' => 'SN202604130001',
                                    'api_token' => 'mac_token_...',
                                    't050v41' => '80812345',
                                    't050v34' => '2000132',
                                    'TP_APP_ID' => 'GP_001'
                                ]
                            ]
                        ],
                    ],
                    'request' => [],
                    'response' => [
                        'success' => true,
                        'code' => 200,
                        'data' => [
                            [
                                't050v01' => 'SN202604130001',
                                'api_token' => 'mac_token_...',
                                't050v41' => '80812345',
                                't050v42' => '9001',
                                't050v43' => 'hash_key',
                                't050v34' => '2000132',
                                'TP_APP_ID' => 'GP_001'
                            ]
                        ]
                    ],
                    'notes' => '此 API 受 auth:sanctum 保護，必須在 Header 帶上從 B000 取得的 Token。'
                ],
                [
                    'name' => 'B005: 廣告清單同步 (Ad Sync)',
                    'slug' => 'b005-ad-sync',
                    'method' => 'GET',
                    'path' => '/api/v1/app/machine/ad/B005',
                    'description' => '用於機台端獲取目前應播放的廣告檔案 URL 清單。此介面無需 Request Body。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [],
                    'response_parameters' => [
                        'success' => [
                            'type' => 'boolean',
                            'description' => '請求是否成功',
                            'example' => true
                        ],
                        'code' => [
                            'type' => 'integer',
                            'description' => '內部業務狀態碼',
                            'example' => 200
                        ],
                        'data' => [
                            'type' => 'array',
                            'description' => '廣告物件陣列。內部欄位包含：t070v01 (名稱), t070v02 (秒數), t070v03 (位置：1:販賣頁, 2:來店禮, 3:待機廣告), t070v04 (URL), t070v05 (順位)',
                            'example' => [
                                [
                                    't070v01' => '測試機台廣告',
                                    't070v02' => 15,
                                    't070v03' => 3,
                                    't070v04' => 'https://example.com/ad1.mp4',
                                    't070v05' => 1
                                ]
                            ]
                        ],
                    ],
                    'request' => [],
                    'response' => [
                        'success' => true,
                        'code' => 200,
                        'message' => 'OK',
                        'data' => [
                            [
                                't070v01' => '測試機台廣告',
                                't070v02' => 15,
                                't070v03' => 3,
                                't070v04' => 'https://example.com/ad1.mp4',
                                't070v05' => 1
                            ]
                        ]
                    ],
                ],
                [
                    'name' => 'B009: 貨道庫存即時回報 (Inventory Report)',
                    'slug' => 'b009-inventory-report',
                    'method' => 'PUT',
                    'path' => '/api/v1/app/products/supplementary/B009',
                    'description' => '當人員在機台端完成操作後，將目前的貨道實體狀態同步回雲端。需進行 RBAC 權限核查。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'account' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '操作人員帳號',
                            'example' => '0999123456'
                        ],
                        'data' => [
                            'type' => 'array',
                            'required' => true,
                            'description' => '貨道數據陣列。tid: 貨道號, t060v00: 商品 ID, num: 庫存量',
                            'example' => [
                                ['tid' => '1', 't060v00' => '1', 'num' => '10']
                            ]
                        ],
                    ],
                    'response_parameters' => [
                        'success' => [
                            'type' => 'boolean',
                            'description' => '同步是否成功',
                            'example' => true
                        ],
                        'code' => [
                            'type' => 'integer',
                            'description' => '內部業務狀態碼',
                            'example' => 200
                        ],
                        'message' => [
                            'type' => 'string',
                            'description' => '回應訊息',
                            'example' => 'Slot report synchronized success'
                        ],
                        'status' => [
                            'type' => 'string',
                            'description' => '固定回傳 49 代表同步完成',
                            'example' => '49'
                        ],
                    ],
                    'request' => [
                        'account' => '0999123456',
                        'data' => [
                            ['tid' => '1', 't060v00' => '1', 'num' => '10']
                        ]
                    ],
                    'response' => [
                        'success' => true,
                        'code' => 200,
                        'message' => 'Slot report synchronized success',
                        'status' => '49'
                    ],
                ],
                [
                    'name' => 'B012: 商品配置與商品主檔同步 (Unified Sync)',
                    'slug' => 'b012-unified-sync',
                    'method' => 'GET',
                    'path' => '/api/v1/app/machine/products/B012',
                    'description' => '用於機台端獲取目前所有可販售商品的詳細配置 (全量同步)。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [],
                    'response_parameters' => [
                        'success' => [
                            'type' => 'boolean',
                            'description' => '請求是否處理成功',
                            'example' => true
                        ],
                        'code' => [
                            'type' => 'integer',
                            'description' => '內部業務狀態碼',
                            'example' => 200
                        ],
                        'data' => [
                            'type' => 'array',
                            'description' => '商品明細物件陣列。欄位包含：t060v00(ID), t060v01(名稱), t060v03(規格), t060v06(圖片), t060v09(售價), t060v11(預設上限), spring_limit(彈簧上限), track_limit(履帶上限)',
                            'example' => [
                                [
                                    't060v00' => '1',
                                    't060v01' => '可口可樂 330ml',
                                    't060v01_en' => 'Coca Cola',
                                    't060v01_jp' => 'コカコーラ',
                                    't060v03' => 'Cold Drink',
                                    't060v06' => 'https://.../coke.png',
                                    't060v09' => 25.0,
                                    't060v11' => 10,
                                    't060v30' => 20.0,
                                    't063v03' => 25.0,
                                    't060v40' => 'Buy 1 Get 1',
                                    't060v41' => 'SKU-COKE-001',
                                    'spring_limit' => 10,
                                    'track_limit' => 15
                                ]
                            ]
                        ]
                    ],
                    'request' => [],
                    'response' => [
                        'success' => true,
                        'code' => 200,
                        'data' => [
                            [
                                't060v00' => '1',
                                't060v01' => '可口可樂 330ml',
                                't060v01_en' => 'Coca Cola 330ml',
                                't060v01_jp' => 'コカコーラ 330ml',
                                't060v03' => '經典原味，冰涼好滋味',
                                't060v06' => 'https://cloud.star.com/storage/products/coke.png',
                                't060v09' => 25.0,
                                't060v11' => 10,
                                't060v30' => 20.0,
                                't063v03' => 25.0,
                                't060v40' => '買一送一活動中',
                                't060v41' => 'SKU-COKE-001',
                                'spring_limit' => 10,
                                'track_limit' => 15
                            ]
                        ]
                    ],
                ],
                [
                    'name' => 'B650: 會員身分驗證 (Member Verification)',
                    'slug' => 'b650-member-verify',
                    'method' => 'POST',
                    'path' => '/api/v1/app/machine/member/verify/B650',
                    'description' => '機台端掃碼後驗證會員身分。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'code' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '會員代碼',
                            'example' => 'MEMBER12345'
                        ]
                    ],
                    'response' => [
                        'success' => true,
                        'data' => [
                            'member_id' => 123,
                            'name' => '王小明',
                            'points' => 500
                        ]
                    ],
                ],
                [
                    'name' => 'B660: 取貨碼驗證與消耗 (Pickup Code)',
                    'slug' => 'b660-pickup-code',
                    'method' => 'POST / PUT',
                    'path' => '/api/v1/app/machine/pickup/verify/B660',
                    'description' => '處理兩階段代碼取貨。POST 驗證有效性，PUT 回報出貨成功後正式扣庫存。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'code' => [
                            'type' => 'string',
                            'description' => '8 位數取貨碼 (僅限 POST)',
                            'example' => '12345678'
                        ],
                        'pickup_code_id' => [
                            'type' => 'integer',
                            'description' => '代碼內部 ID (僅限 PUT)',
                            'example' => 45
                        ],
                        'status' => [
                            'type' => 'integer',
                            'description' => '出貨狀態 (僅限 PUT: 1:成功, 0:失敗)',
                            'example' => 1
                        ],
                    ],
                    'response' => [
                        'success' => true,
                        'data' => [
                            'slot_no' => '1',
                            'pickup_code_id' => 45,
                            'status' => 'active'
                        ]
                    ],
                    'notes' => '安全性：連續錯誤 5 次將鎖定該機台驗證功能 1 分鐘。'
                ],
                [
                    'name' => 'B670: 通行碼驗證 (Pass Code)',
                    'slug' => 'b670-pass-code',
                    'method' => 'POST',
                    'path' => '/api/v1/app/machine/passcode/verify/B670',
                    'description' => '專供維修/工程人員使用的通行碼驗證。僅做身份確認，不涉及商品消耗。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'code' => [
                            'type' => 'string',
                            'required' => true,
                            'description' => '8 位數通行碼',
                            'example' => '88888888'
                        ]
                    ],
                    'response' => [
                        'success' => true,
                        'data' => [
                            'name' => '工程師 A',
                            'status' => 'active'
                        ]
                    ],
                    'notes' => '僅供現場測試使用，錯誤過多同樣會觸發鎖定。'
                ],
                [
                    'name' => 'B710: 機台時間同步 (Timer Sync)',
                    'slug' => 'b710-timer-sync',
                    'method' => 'POST',
                    'path' => '/api/v1/app/machine/timer/B710',
                    'description' => '校準機台 RTC 時間。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                    ],
                    'response' => [
                        'success' => true,
                        'data' => [
                            'timestamp' => 1714444800
                        ]
                    ]
                ],
                [
                    'name' => 'B027: 贈品碼/優惠券驗證與消耗 (Free Gift Verify & Consume)',
                    'slug' => 'b027-freebie-code',
                    'method' => 'POST / PUT',
                    'path' => '/api/v1/app/sell/free-gift/B027',
                    'description' => 'POST 用於驗證碼有效性，PUT 用於回報出貨成功並消耗代碼。',
                    'headers' => [
                        'Authorization' => 'Bearer <api_token>',
                        'Content-Type' => 'application/json',
                    ],
                    'parameters' => [
                        'passCode' => [
                            'type' => 'string',
                            'description' => '贈品碼 (POST)',
                        ],
                        'accessCodeId' => [
                            'type' => 'string',
                            'description' => '代碼 ID (PUT)',
                        ],
                        'status' => [
                            'type' => 'string',
                            'description' => '出貨狀態 (PUT: 1:成功, 0:失敗)',
                        ],
                    ],
                    'response_parameters' => [
                        'success' => ['type' => 'boolean', 'description' => '驗證結果'],
                        'res1' => ['type' => 'string', 'description' => '雲端關聯 ID'],
                    ],
                    'request' => [
                        'passCode' => 'FREE888'
                    ],
                    'response' => [
                        'success' => true,
                        'message' => 'Free gift verified'
                    ],
                ],
            ],
        ],
    ],

    'mqtt_topics' => [
        [
            'name' => '指令與通訊 (Commands & Flow)',
            'topics' => [
                [
                    'name' => '機台心跳上報 (Heartbeat)',
                    'slug' => 'mqtt-heartbeat',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/heartbeat',
                    'qos' => 0,
                    'description' => '機台每分鐘固定上報的狀態大包裝。整合了溫度與韌體版本。雲端記錄規則：溫度只要有變動 (current !== last) 即記錄日誌。',
                    'payload_parameters' => [
                        'temperature' => ['type' => 'integer', 'description' => '目前機台溫度'],
                        'firmware_version' => ['type' => 'string', 'description' => 'APP 韌體版本'],
                    ],
                    'payload_example' => [
                        'temperature' => 20,
                        'firmware_version' => '2.1.6'
                    ],
                ],
                [
                    'name' => '機台連線狀態上報 (Status/LWT)',
                    'slug' => 'mqtt-status',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/status',
                    'qos' => 0,
                    'description' => '用於機台連線與斷線的即時狀態同步。通常用於 MQTT 的遺囑訊息 (LWT) 設定，或由 Broker 連線事件觸發。',
                    'payload_parameters' => [
                        'status' => ['type' => 'string', 'description' => '連線狀態。接受值：online, offline'],
                    ],
                    'payload_example' => [
                        'status' => 'online'
                    ],
                ],
                [
                    'name' => '機台異常上報 (Error)',
                    'slug' => 'mqtt-error',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/error',
                    'qos' => 1,
                    'description' => '當機台發生硬體故障（如卡貨、通訊中斷）時即時上報。',
                    'payload_parameters' => [
                        'tid' => ['type' => 'integer', 'description' => '貨道編號或任務 ID'],
                        'error_code' => ['type' => 'string', 'description' => '硬體錯誤代碼 (如 0403 代表卡貨)'],
                    ],
                    'payload_example' => [
                        'tid' => 12,
                        'error_code' => '0403'
                    ],
                ],
                [
                    'name' => '交易階段性上報 (Transaction Steps)',
                    'slug' => 'mqtt-transaction-steps',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/transaction',
                    'qos' => 1,
                    'description' => '用於傳統的分段式上報：交易建立 (create)、發票紀錄 (invoice) 或單次出貨結果 (dispense)。',
                    'payload_parameters' => [
                        'action' => ['type' => 'string', 'description' => '動作：create, invoice, dispense'],
                        'flow_id' => ['type' => 'string', 'description' => '唯一流水號'],
                    ],
                    'payload_example' => [
                        'action' => 'create',
                        'flow_id' => 'FLOW123',
                        'total_amount' => 25.0,
                        'payment_type' => 1,
                        'items' => [['product_id' => 5, 'price' => 25.0, 'quantity' => 1]]
                    ],
                ],
                [
                    'name' => '交易完成統整上報 (Transaction Finalized - 推薦)',
                    'slug' => 'mqtt-transaction-finalize',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/transaction',
                    'qos' => 1,
                    'description' => '【推薦使用】將交易、發票與出貨結果統整為單一動作上報，確保資料庫寫入的原子性與一致性。',
                    'payload_parameters' => [
                        'action' => ['type' => 'string', 'description' => '(必填) 固定為 "finalize"'],
                        'order' => ['type' => 'object', 'description' => '(必填) 訂單主檔資訊'],
                        'order.order_no' => ['type' => 'string', 'description' => '(必填) 訂單編號'],
                        'order.flow_id' => ['type' => 'string', 'description' => '(必填) 機台端交易流水號'],
                        'order.total_amount' => ['type' => 'numeric', 'description' => '(必填) 應付總金額'],
                        'order.pay_amount' => ['type' => 'numeric', 'description' => '(必填) 實際支付金額'],
                        'order.change_amount' => ['type' => 'numeric', 'description' => '(選填) 找零金額，預設 0', 'required' => false],
                        'order.original_amount' => ['type' => 'numeric', 'description' => '(選填) 原始標價金額', 'required' => false],
                        'order.discount_amount' => ['type' => 'numeric', 'description' => '(選填) 折扣金額，預設 0', 'required' => false],
                        'order.points_used' => ['type' => 'integer', 'description' => '(選填) 使用點數，預設 0', 'required' => false],
                        'order.payment_type' => ['type' => 'integer', 'description' => "(必填) 支付類型代碼：\n1:信用卡, 2:悠遊卡/一卡通, 3:掃碼支付, 4:紙鈔機, 5:通行碼, 6:取貨碼, 7:來店禮, 8:問卷, 9:零錢, 41:員工卡。\n21~25:線下付款+X (21:線下+1, 22:線下+2, 23:線下+3, 24:線下+4, 25:線下+9)。\n30:LINE Pay, 31:街口, 32:悠遊付, 33:Pi, 34:全盈+。\n40:會員驗證取貨商品。\n50~54:線下付款+TapPay (50:線下+30, 51:線下+31, 52:線下+32, 53:線下+33, 54:線下+34)。\n60:點數/優惠卷全額折抵。61~69:會員+X (61:會員+1...69:會員+9)。\n90~94:會員+TapPay (90:會員+30...94:會員+34)。"],
                        'order.payment_status' => ['type' => 'integer', 'description' => '(必填) 支付狀態 (1:成功)'],
                        'order.payment_request' => ['type' => 'string', 'description' => '(選填) 金流請求原始字串', 'required' => false],
                        'order.payment_response' => ['type' => 'string', 'description' => '(選填) 金流回應原始字串', 'required' => false],
                        'order.member_barcode' => ['type' => 'string', 'description' => '(選填) 會員條碼', 'required' => false],
                        'order.invoice_info' => ['type' => 'string', 'description' => '(選填) 預設發票歸戶字串 (如 統編-電話)', 'required' => false],
                        'order.machine_time' => ['type' => 'datetime', 'description' => '(必填) 機台交易時間 (Y-m-d H:i:s)'],
                        'order.items' => ['type' => 'array', 'description' => '(必填) 訂單明細陣列'],
                        'order.items[].product_id' => ['type' => 'integer', 'description' => '(必填) 商品 ID'],
                        'order.items[].price' => ['type' => 'numeric', 'description' => '(必填) 商品單價'],
                        'order.items[].quantity' => ['type' => 'integer', 'description' => '(必填) 數量'],
                        
                        'invoice' => ['type' => 'object', 'description' => '(選填) 發票開立資訊 (若無發票可省略)', 'required' => false],
                        'invoice.invoice_no' => ['type' => 'string', 'description' => '(必填，若有invoice) 發票號碼', 'required' => false],
                        'invoice.invoice_date' => ['type' => 'string', 'description' => '(必填，若有invoice) 發票日期 (Y-m-d)', 'required' => false],
                        'invoice.machine_time' => ['type' => 'datetime', 'description' => '(必填，若有invoice) 機台開立發票時間 (Y-m-d H:i:s)', 'required' => false],
                        'invoice.amount' => ['type' => 'numeric', 'description' => '(必填，若有invoice) 發票金額', 'required' => false],
                        'invoice.random_number' => ['type' => 'string', 'description' => '(必填，若有invoice) 發票隨機碼 (4位)', 'required' => false],
                        'invoice.love_code' => ['type' => 'string', 'description' => '(選填) 捐贈碼', 'required' => false],
                        'invoice.carrier_id' => ['type' => 'string', 'description' => '(選填) 載具編號', 'required' => false],
                        'invoice.carrier_type' => ['type' => 'string', 'description' => '(選填) 載具類型 (如 3J0002)', 'required' => false],
                        'invoice.business_tax_id' => ['type' => 'string', 'description' => '(選填) 買受人統編', 'required' => false],
                        'invoice.rtn_code' => ['type' => 'string', 'description' => '(選填) 電子發票回傳代碼', 'required' => false],
                        'invoice.rtn_msg' => ['type' => 'string', 'description' => '(選填) 電子發票回傳訊息', 'required' => false],
                        
                        'dispense' => ['type' => 'array', 'description' => '(必填) 出貨結果清單'],
                        'dispense[].slot_no' => ['type' => 'string', 'description' => '(必填) 貨道編號'],
                        'dispense[].product_id' => ['type' => 'integer', 'description' => '(必填) 商品 ID'],
                        'dispense[].amount' => ['type' => 'numeric', 'description' => '(必填) 實際扣款額 (單項)'],
                        'dispense[].points_used' => ['type' => 'integer', 'description' => '(選填) 該商品花費點數，預設 0', 'required' => false],
                        'dispense[].dispense_status' => ['type' => 'integer', 'description' => '(必填) 出貨狀態 (1:成功, 0:失敗)'],
                        'dispense[].remaining_stock' => ['type' => 'integer', 'description' => '(必填) 出貨後剩餘庫存'],
                        'dispense[].member_barcode' => ['type' => 'string', 'description' => '(選填) 會員條碼', 'required' => false],
                        'dispense[].machine_time' => ['type' => 'datetime', 'description' => '(選填) 機台出貨時間 (Y-m-d H:i:s)', 'required' => false],
                    ],
                    'payload_example' => [
                        'action' => 'finalize',
                        'order' => [
                            'order_no' => 'T202508080001',
                            'flow_id' => 'FLOW123',
                            'total_amount' => 100.0,
                            'original_amount' => 100.0,
                            'discount_amount' => 0.0,
                            'pay_amount' => 100.0,
                            'change_amount' => 0.0,
                            'points_used' => 0,
                            'payment_type' => 1,
                            'payment_status' => 1,
                            'payment_request' => '{"req": "data"}',
                            'payment_response' => '{"res": "ok"}',
                            'member_barcode' => 'MBR999',
                            'invoice_info' => '12345678-0912345678',
                            'machine_time' => '2025-08-08 10:00:00',
                            'items' => [
                                ['product_id' => 5, 'price' => 100.0, 'quantity' => 1]
                            ]
                        ],
                        'invoice' => [
                            'invoice_no' => 'AB12345678',
                            'invoice_date' => '2025-08-08',
                            'amount' => 100.0,
                            'random_number' => '1234',
                            'love_code' => '',
                            'carrier_id' => '/ABC1234',
                            'carrier_type' => '3J0002',
                            'business_tax_id' => '12345678',
                            'rtn_code' => '1',
                            'rtn_msg' => '成功'
                        ],
                        'dispense' => [
                            [
                                'slot_no' => '3',
                                'product_id' => 5,
                                'amount' => 100.0,
                                'points_used' => 0,
                                'dispense_status' => 1,
                                'remaining_stock' => 9,
                                'member_barcode' => 'MBR999',
                                'machine_time' => '2025-08-08 10:01:00'
                            ]
                        ]
                    ],
                ],
                [
                    'name' => '指令下發：遠端出貨 (Dispense)',
                    'slug' => 'mqtt-command-dispense',
                    'action' => 'SUB',
                    'topic' => 'machine/{serial_no}/command',
                    'qos' => 1,
                    'description' => '雲端主動下發「遠端出貨」指令。機台收到後應立即驅動馬達進行出貨，出貨完成或失敗後回報 ACK。',
                    'payload_parameters' => [
                        'command' => ['type' => 'string', 'description' => '固定為 "dispense"'],
                        'command_id' => ['type' => 'string', 'description' => '指令唯一 ID'],
                        'payload' => ['type' => 'object', 'description' => '出貨參數'],
                        'payload.slot_no' => ['type' => 'string', 'description' => '欲出貨的貨道號碼'],
                        'payload.old_stock' => ['type' => 'integer', 'description' => '出貨前的庫存量'],
                        'payload.new_stock' => ['type' => 'integer', 'description' => '出貨後應剩餘的庫存量 (樂觀扣減結果)'],
                    ],
                    'payload_example' => [
                        'command' => 'dispense',
                        'command_id' => '9988776655',
                        'payload' => [
                            'slot_no' => '1',
                            'old_stock' => 10,
                            'new_stock' => 9
                        ]
                    ],
                ],
                [
                    'name' => '指令下發：庫存同步 (Update Inventory)',
                    'slug' => 'mqtt-command-update-inventory',
                    'action' => 'SUB',
                    'topic' => 'machine/{serial_no}/command',
                    'qos' => 1,
                    'description' => '雲端主動下發「庫存更新」指令 (如從後台修改庫存、效期時觸發)。',
                    'payload_parameters' => [
                        'command' => ['type' => 'string', 'description' => '固定為 "update_inventory"'],
                        'command_id' => ['type' => 'string', 'description' => '指令唯一 ID'],
                        'payload' => ['type' => 'object', 'description' => '更新參數'],
                        'payload.data' => ['type' => 'array', 'description' => '欲更新的貨道資料陣列'],
                        'payload.data[].slot_no' => ['type' => 'string', 'description' => '貨道號碼'],
                        'payload.data[].stock' => ['type' => 'integer', 'description' => '最新庫存量'],
                        'payload.data[].expiry_date' => ['type' => 'string', 'description' => '最新效期 (YYYY-MM-DD)'],
                        'payload.data[].batch_no' => ['type' => 'string', 'description' => '批號 (可為 null)'],
                    ],
                    'payload_example' => [
                        'command' => 'update_inventory',
                        'command_id' => '5566778899',
                        'payload' => [
                            'data' => [
                                [
                                    'slot_no' => '1',
                                    'stock' => 10,
                                    'expiry_date' => '2026-12-31',
                                    'batch_no' => null
                                ]
                            ]
                        ]
                    ],
                ],
                [
                    'name' => '指令下發：遠端找零 (Change)',
                    'slug' => 'mqtt-command-change',
                    'action' => 'SUB',
                    'topic' => 'machine/{serial_no}/command',
                    'qos' => 1,
                    'description' => '雲端主動下發「找零」指令。指示機台退還指定金額的現金。',
                    'payload_parameters' => [
                        'command' => ['type' => 'string', 'description' => '固定為 "change"'],
                        'command_id' => ['type' => 'string', 'description' => '指令唯一 ID'],
                        'payload' => ['type' => 'object', 'description' => '找零參數'],
                        'payload.amount' => ['type' => 'integer', 'description' => '欲找零/退款的金額'],
                    ],
                    'payload_example' => [
                        'command' => 'change',
                        'command_id' => '1122334455',
                        'payload' => [
                            'amount' => 50
                        ]
                    ],
                ],
                [
                    'name' => '指令下發：系統控制 (System Control)',
                    'slug' => 'mqtt-command-system',
                    'action' => 'SUB',
                    'topic' => 'machine/{serial_no}/command',
                    'qos' => 1,
                    'description' => '雲端主動下發的系統級別控制指令。包含重啟、設備鎖定解鎖、購物車結帳等無額外參數的指令。',
                    'payload_parameters' => [
                        'command' => ['type' => 'string', 'description' => '系統指令類型。支援：reboot (重啟機台), reboot_card (重啟刷卡機), checkout (購物車結帳), lock (設備鎖定), unlock (設備解鎖)'],
                        'command_id' => ['type' => 'string', 'description' => '指令唯一 ID'],
                        'payload' => ['type' => 'object', 'description' => '空物件 (無額外參數)'],
                    ],
                    'payload_example' => [
                        'command' => 'reboot',
                        'command_id' => '9999999999',
                        'payload' => new \stdClass()
                    ],
                ],

                [
                    'name' => '指令執行回報 (Machine to Cloud)',
                    'slug' => 'mqtt-command-ack',
                    'action' => 'PUB',
                    'topic' => 'machine/{serial_no}/command/ack',
                    'qos' => 1,
                    'description' => '機台執行完雲端指令後的主動回報。此回報極為重要，雲端將依此決定交易是否完成或需進行庫存回滾。',
                    'payload_parameters' => [
                        'command_id' => ['type' => 'string', 'description' => '對應下發時的指令 ID'],
                        'result' => ['type' => 'string', 'description' => '執行結果，僅接受: success 或 failed'],
                        'stock' => ['type' => 'integer', 'description' => '執行指令後的最終剩餘庫存 (選填，通常出貨指令需帶上)'],
                        'message' => ['type' => 'string', 'description' => '額外的錯誤訊息 (選填)'],
                    ],
                    'payload_example' => [
                        'command_id' => '12345',
                        'result' => 'success',
                        'stock' => 9
                    ],
                ]
            ]
        ]
    ]
];