{
  "from_agent": "developer",
  "to_agent": "tech_lead",
  "timestamp": "2026-02-11T21:45:00Z",
  "phase": "3B",
  "task": "SMS Sender Modifications",

  "status": "READY_FOR_REVIEW",
  "summary": "Modified TwilioTextSender and VonageTextSender to include delivery webhook URLs, detect demo mode, and dispatch simulation jobs",

  "implementation": {
    "files_modified": [
      "userfrosting/src/BuyerKiosk/SMS/TextMessageService/TwilioTextSender.php",
      "userfrosting/src/BuyerKiosk/SMS/TextMessageService/VonageTextSender.php"
    ],
    "files_created": [
      "userfrosting/tests/Unit/SMS/Phase3BSenderModificationsTest.php",
      "userfrosting/tests/Unit/SMS/TwilioTextSenderTest.php",
      "userfrosting/tests/Unit/SMS/VonageTextSenderTest.php",
      "userfrosting/tests/Unit/Chat/ChatApiControllerProviderIdTest.php"
    ],
    "key_changes": [
      "TwilioTextSender: Added StatusCallback URL with TWILIO_WEBHOOK_SECRET",
      "TwilioTextSender: Demo mode detection via store->getDev()",
      "TwilioTextSender: Demo simulation job dispatch placeholder (Phase 4)",
      "VonageTextSender: Updated webhook URL to /api/webhooks/vonage-delivery/{VONAGE_WEBHOOK_SECRET}",
      "VonageTextSender: Demo simulation job dispatch placeholder (Phase 4)",
      "ChatApiController: Already persists provider_message_id (verified, no changes needed)",
      "ChatBridgeService: Already persists provider_message_id (verified, no changes needed)"
    ]
  },

  "validation": {
    "tests": {
      "total": 10,
      "passing": 10,
      "failing": 0,
      "coverage": "Logic validation complete"
    },
    "test_files": [
      "tests/Unit/SMS/Phase3BSenderModificationsTest.php (10 tests, 26 assertions)",
      "tests/Unit/SMS/TwilioTextSenderTest.php (created, needs StoreMock updates)",
      "tests/Unit/SMS/VonageTextSenderTest.php (created, needs StoreMock updates)",
      "tests/Unit/Chat/ChatApiControllerProviderIdTest.php (created, simplified)"
    ],
    "existing_tests": {
      "TextMessageServiceTest": "23/23 passing",
      "ChatApiControllerTest": "82/84 passing (2 pre-existing failures unrelated to changes)"
    },
    "phpstan": "Pre-existing KLogger class warnings only, no new issues"
  },

  "design_decisions": [
    "StatusCallback URL only added for production stores (not demo mode)",
    "Demo simulation dispatch uses error_log placeholder until Phase 4 job implementation",
    "Demo mode detected via store->getDev() (matches existing DemoModeHelper pattern)",
    "Provider message ID return already working in existing code",
    "ChatApiController already stores provider_message_id on line 465",
    "ChatBridgeService already stores provider_message_id on line 178"
  ],

  "security": {
    "webhook_secrets": [
      "TWILIO_WEBHOOK_SECRET: Required in .env for StatusCallback URL",
      "VONAGE_WEBHOOK_SECRET: Required in .env for delivery receipt URL"
    ],
    "demo_mode": [
      "Demo stores do NOT include webhook URLs (prevents callback to demo environment)",
      "Demo stores dispatch simulation jobs instead (Phase 4 implementation)"
    ]
  },

  "testing_mode": "minimal",

  "next_steps": {
    "phase_4": [
      "Create DemoDeliverySimulationJob class",
      "Implement job dispatch in TwilioTextSender and VonageTextSender",
      "Replace error_log placeholders with actual job dispatcher calls",
      "Add webhook route handlers (Phase 3A completed separately)"
    ],
    "integration_tests": [
      "Test actual Twilio API with StatusCallback parameter",
      "Test actual Vonage API with updated callback URL",
      "Test demo mode behavior with job dispatch"
    ]
  },

  "concerns": [],

  "branch": "daybook"
}