[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M70JH7A4CJ39C05Z1SSKBBA3":3,"skill-same:01M70JH7A4CJ39C05Z1SSKBBA3":64},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":35,"linkOnly":36,"markdownContent":37,"markdownBody":38,"frontMatter":39,"refName":40,"commitSha":41,"skillDirectory":42,"forksCount":43,"repositoryHtmlUrl":44,"repositoryHomepageUrl":45,"ownerHtmlUrl":46,"ownerBlogUrl":47,"ownerDescription":48,"updatedAt":49,"install":50,"resources":63},"01M70JH7A4CJ39C05Z1SSKBBA3","saga-orchestration",null,"Implement saga patterns for distributed transactions and cross-aggregate workflows. Use when coordinating multi-step business processes, handling compensating transactions, or managing long-running workflows.","shengdabai\u002FTony-Claude-Code-Skills","shengdabai","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F116417419?v=4","01M70F6D2WY5PQV5A92BKYJQEW","Tony Sheng","01M70F6D3GAAAYZ5H4CC1G8VXM",3,"MIT","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002F_collections\u002Fwshobson-agents\u002Fplugins\u002Fbackend-development\u002Fskills\u002Fsaga-orchestration\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34],"orchestration","saga orchestration","saga","running","for","long","use","business","workflows","when","distributed","implement","multi","transactions","processes","patterns","2026-11-10 10:12:30",false,"---\nname: saga-orchestration\ndescription: Implement saga patterns for distributed transactions and cross-aggregate workflows. Use when coordinating multi-step business processes, handling compensating transactions, or managing long-running workflows.\n---\n\n# Saga Orchestration\n\nPatterns for managing distributed transactions and long-running business processes.\n\n## When to Use This Skill\n\n- Coordinating multi-service transactions\n- Implementing compensating transactions\n- Managing long-running business workflows\n- Handling failures in distributed systems\n- Building order fulfillment processes\n- Implementing approval workflows\n\n## Core Concepts\n\n### 1. Saga Types\n\n```\nChoreography                    Orchestration\n┌─────┐  ┌─────┐  ┌─────┐     ┌─────────────┐\n│Svc A│─►│Svc B│─►│Svc C│     │ Orchestrator│\n└─────┘  └─────┘  └─────┘     └──────┬──────┘\n   │        │        │               │\n   ▼        ▼        ▼         ┌─────┼─────┐\n Event    Event    Event       ▼     ▼     ▼\n                            ┌────┐┌────┐┌────┐\n                            │Svc1││Svc2││Svc3│\n                            └────┘└────┘└────┘\n```\n\n### 2. Saga Execution States\n\n| State | Description |\n|-------|-------------|\n| **Started** | Saga initiated |\n| **Pending** | Waiting for step completion |\n| **Compensating** | Rolling back due to failure |\n| **Completed** | All steps succeeded |\n| **Failed** | Saga failed after compensation |\n\n## Templates\n\n### Template 1: Saga Orchestrator Base\n\n```python\nfrom abc import ABC, abstractmethod\nfrom dataclasses import dataclass, field\nfrom enum import Enum\nfrom typing import List, Dict, Any, Optional\nfrom datetime import datetime\nimport uuid\n\nclass SagaState(Enum):\n    STARTED = \"started\"\n    PENDING = \"pending\"\n    COMPENSATING = \"compensating\"\n    COMPLETED = \"completed\"\n    FAILED = \"failed\"\n\n\n@dataclass\nclass SagaStep:\n    name: str\n    action: str\n    compensation: str\n    status: str = \"pending\"\n    result: Optional[Dict] = None\n    error: Optional[str] = None\n    executed_at: Optional[datetime] = None\n    compensated_at: Optional[datetime] = None\n\n\n@dataclass\nclass Saga:\n    saga_id: str\n    saga_type: str\n    state: SagaState\n    data: Dict[str, Any]\n    steps: List[SagaStep]\n    current_step: int = 0\n    created_at: datetime = field(default_factory=datetime.utcnow)\n    updated_at: datetime = field(default_factory=datetime.utcnow)\n\n\nclass SagaOrchestrator(ABC):\n    \"\"\"Base class for saga orchestrators.\"\"\"\n\n    def __init__(self, saga_store, event_publisher):\n        self.saga_store = saga_store\n        self.event_publisher = event_publisher\n\n    @abstractmethod\n    def define_steps(self, data: Dict) -> List[SagaStep]:\n        \"\"\"Define the saga steps.\"\"\"\n        pass\n\n    @property\n    @abstractmethod\n    def saga_type(self) -> str:\n        \"\"\"Unique saga type identifier.\"\"\"\n        pass\n\n    async def start(self, data: Dict) -> Saga:\n        \"\"\"Start a new saga.\"\"\"\n        saga = Saga(\n            saga_id=str(uuid.uuid4()),\n            saga_type=self.saga_type,\n            state=SagaState.STARTED,\n            data=data,\n            steps=self.define_steps(data)\n        )\n        await self.saga_store.save(saga)\n        await self._execute_next_step(saga)\n        return saga\n\n    async def handle_step_completed(self, saga_id: str, step_name: str, result: Dict):\n        \"\"\"Handle successful step completion.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        # Update step\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"completed\"\n                step.result = result\n                step.executed_at = datetime.utcnow()\n                break\n\n        saga.current_step += 1\n        saga.updated_at = datetime.utcnow()\n\n        # Check if saga is complete\n        if saga.current_step >= len(saga.steps):\n            saga.state = SagaState.COMPLETED\n            await self.saga_store.save(saga)\n            await self._on_saga_completed(saga)\n        else:\n            saga.state = SagaState.PENDING\n            await self.saga_store.save(saga)\n            await self._execute_next_step(saga)\n\n    async def handle_step_failed(self, saga_id: str, step_name: str, error: str):\n        \"\"\"Handle step failure - start compensation.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        # Mark step as failed\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"failed\"\n                step.error = error\n                break\n\n        saga.state = SagaState.COMPENSATING\n        saga.updated_at = datetime.utcnow()\n        await self.saga_store.save(saga)\n\n        # Start compensation from current step backwards\n        await self._compensate(saga)\n\n    async def _execute_next_step(self, saga: Saga):\n        \"\"\"Execute the next step in the saga.\"\"\"\n        if saga.current_step >= len(saga.steps):\n            return\n\n        step = saga.steps[saga.current_step]\n        step.status = \"executing\"\n        await self.saga_store.save(saga)\n\n        # Publish command to execute step\n        await self.event_publisher.publish(\n            step.action,\n            {\n                \"saga_id\": saga.saga_id,\n                \"step_name\": step.name,\n                **saga.data\n            }\n        )\n\n    async def _compensate(self, saga: Saga):\n        \"\"\"Execute compensation for completed steps.\"\"\"\n        # Compensate in reverse order\n        for i in range(saga.current_step - 1, -1, -1):\n            step = saga.steps[i]\n            if step.status == \"completed\":\n                step.status = \"compensating\"\n                await self.saga_store.save(saga)\n\n                await self.event_publisher.publish(\n                    step.compensation,\n                    {\n                        \"saga_id\": saga.saga_id,\n                        \"step_name\": step.name,\n                        \"original_result\": step.result,\n                        **saga.data\n                    }\n                )\n\n    async def handle_compensation_completed(self, saga_id: str, step_name: str):\n        \"\"\"Handle compensation completion.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"compensated\"\n                step.compensated_at = datetime.utcnow()\n                break\n\n        # Check if all compensations complete\n        all_compensated = all(\n            s.status in (\"compensated\", \"pending\", \"failed\")\n            for s in saga.steps\n        )\n\n        if all_compensated:\n            saga.state = SagaState.FAILED\n            await self._on_saga_failed(saga)\n\n        await self.saga_store.save(saga)\n\n    async def _on_saga_completed(self, saga: Saga):\n        \"\"\"Called when saga completes successfully.\"\"\"\n        await self.event_publisher.publish(\n            f\"{self.saga_type}Completed\",\n            {\"saga_id\": saga.saga_id, **saga.data}\n        )\n\n    async def _on_saga_failed(self, saga: Saga):\n        \"\"\"Called when saga fails after compensation.\"\"\"\n        await self.event_publisher.publish(\n            f\"{self.saga_type}Failed\",\n            {\"saga_id\": saga.saga_id, \"error\": \"Saga failed\", **saga.data}\n        )\n```\n\n### Template 2: Order Fulfillment Saga\n\n```python\nclass OrderFulfillmentSaga(SagaOrchestrator):\n    \"\"\"Orchestrates order fulfillment across services.\"\"\"\n\n    @property\n    def saga_type(self) -> str:\n        return \"OrderFulfillment\"\n\n    def define_steps(self, data: Dict) -> List[SagaStep]:\n        return [\n            SagaStep(\n                name=\"reserve_inventory\",\n                action=\"InventoryService.ReserveItems\",\n                compensation=\"InventoryService.ReleaseReservation\"\n            ),\n            SagaStep(\n                name=\"process_payment\",\n                action=\"PaymentService.ProcessPayment\",\n                compensation=\"PaymentService.RefundPayment\"\n            ),\n            SagaStep(\n                name=\"create_shipment\",\n                action=\"ShippingService.CreateShipment\",\n                compensation=\"ShippingService.CancelShipment\"\n            ),\n            SagaStep(\n                name=\"send_confirmation\",\n                action=\"NotificationService.SendOrderConfirmation\",\n                compensation=\"NotificationService.SendCancellationNotice\"\n            )\n        ]\n\n\n# Usage\nasync def create_order(order_data: Dict):\n    saga = OrderFulfillmentSaga(saga_store, event_publisher)\n    return await saga.start({\n        \"order_id\": order_data[\"order_id\"],\n        \"customer_id\": order_data[\"customer_id\"],\n        \"items\": order_data[\"items\"],\n        \"payment_method\": order_data[\"payment_method\"],\n        \"shipping_address\": order_data[\"shipping_address\"]\n    })\n\n\n# Event handlers in each service\nclass InventoryService:\n    async def handle_reserve_items(self, command: Dict):\n        try:\n            # Reserve inventory\n            reservation = await self.reserve(\n                command[\"items\"],\n                command[\"order_id\"]\n            )\n            # Report success\n            await self.event_publisher.publish(\n                \"SagaStepCompleted\",\n                {\n                    \"saga_id\": command[\"saga_id\"],\n                    \"step_name\": \"reserve_inventory\",\n                    \"result\": {\"reservation_id\": reservation.id}\n                }\n            )\n        except InsufficientInventoryError as e:\n            await self.event_publisher.publish(\n                \"SagaStepFailed\",\n                {\n                    \"saga_id\": command[\"saga_id\"],\n                    \"step_name\": \"reserve_inventory\",\n                    \"error\": str(e)\n                }\n            )\n\n    async def handle_release_reservation(self, command: Dict):\n        # Compensating action\n        await self.release_reservation(\n            command[\"original_result\"][\"reservation_id\"]\n        )\n        await self.event_publisher.publish(\n            \"SagaCompensationCompleted\",\n            {\n                \"saga_id\": command[\"saga_id\"],\n                \"step_name\": \"reserve_inventory\"\n            }\n        )\n```\n\n### Template 3: Choreography-Based Saga\n\n```python\nfrom dataclasses import dataclass\nfrom typing import Dict, Any\nimport asyncio\n\n@dataclass\nclass SagaContext:\n    \"\"\"Passed through choreographed saga events.\"\"\"\n    saga_id: str\n    step: int\n    data: Dict[str, Any]\n    completed_steps: list\n\n\nclass OrderChoreographySaga:\n    \"\"\"Choreography-based saga using events.\"\"\"\n\n    def __init__(self, event_bus):\n        self.event_bus = event_bus\n        self._register_handlers()\n\n    def _register_handlers(self):\n        self.event_bus.subscribe(\"OrderCreated\", self._on_order_created)\n        self.event_bus.subscribe(\"InventoryReserved\", self._on_inventory_reserved)\n        self.event_bus.subscribe(\"PaymentProcessed\", self._on_payment_processed)\n        self.event_bus.subscribe(\"ShipmentCreated\", self._on_shipment_created)\n\n        # Compensation handlers\n        self.event_bus.subscribe(\"PaymentFailed\", self._on_payment_failed)\n        self.event_bus.subscribe(\"ShipmentFailed\", self._on_shipment_failed)\n\n    async def _on_order_created(self, event: Dict):\n        \"\"\"Step 1: Order created, reserve inventory.\"\"\"\n        await self.event_bus.publish(\"ReserveInventory\", {\n            \"saga_id\": event[\"order_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"items\": event[\"items\"]\n        })\n\n    async def _on_inventory_reserved(self, event: Dict):\n        \"\"\"Step 2: Inventory reserved, process payment.\"\"\"\n        await self.event_bus.publish(\"ProcessPayment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"amount\": event[\"total_amount\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n\n    async def _on_payment_processed(self, event: Dict):\n        \"\"\"Step 3: Payment done, create shipment.\"\"\"\n        await self.event_bus.publish(\"CreateShipment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"payment_id\": event[\"payment_id\"]\n        })\n\n    async def _on_shipment_created(self, event: Dict):\n        \"\"\"Step 4: Complete - send confirmation.\"\"\"\n        await self.event_bus.publish(\"OrderFulfilled\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"tracking_number\": event[\"tracking_number\"]\n        })\n\n    # Compensation handlers\n    async def _on_payment_failed(self, event: Dict):\n        \"\"\"Payment failed - release inventory.\"\"\"\n        await self.event_bus.publish(\"ReleaseInventory\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n        await self.event_bus.publish(\"OrderFailed\", {\n            \"order_id\": event[\"order_id\"],\n            \"reason\": \"Payment failed\"\n        })\n\n    async def _on_shipment_failed(self, event: Dict):\n        \"\"\"Shipment failed - refund payment and release inventory.\"\"\"\n        await self.event_bus.publish(\"RefundPayment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"payment_id\": event[\"payment_id\"]\n        })\n        await self.event_bus.publish(\"ReleaseInventory\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n```\n\n### Template 4: Saga with Timeouts\n\n```python\nclass TimeoutSagaOrchestrator(SagaOrchestrator):\n    \"\"\"Saga orchestrator with step timeouts.\"\"\"\n\n    def __init__(self, saga_store, event_publisher, scheduler):\n        super().__init__(saga_store, event_publisher)\n        self.scheduler = scheduler\n\n    async def _execute_next_step(self, saga: Saga):\n        if saga.current_step >= len(saga.steps):\n            return\n\n        step = saga.steps[saga.current_step]\n        step.status = \"executing\"\n        step.timeout_at = datetime.utcnow() + timedelta(minutes=5)\n        await self.saga_store.save(saga)\n\n        # Schedule timeout check\n        await self.scheduler.schedule(\n            f\"saga_timeout_{saga.saga_id}_{step.name}\",\n            self._check_timeout,\n            {\"saga_id\": saga.saga_id, \"step_name\": step.name},\n            run_at=step.timeout_at\n        )\n\n        await self.event_publisher.publish(\n            step.action,\n            {\"saga_id\": saga.saga_id, \"step_name\": step.name, **saga.data}\n        )\n\n    async def _check_timeout(self, data: Dict):\n        \"\"\"Check if step has timed out.\"\"\"\n        saga = await self.saga_store.get(data[\"saga_id\"])\n        step = next(s for s in saga.steps if s.name == data[\"step_name\"])\n\n        if step.status == \"executing\":\n            # Step timed out - fail it\n            await self.handle_step_failed(\n                data[\"saga_id\"],\n                data[\"step_name\"],\n                \"Step timed out\"\n            )\n```\n\n## Best Practices\n\n### Do's\n- **Make steps idempotent** - Safe to retry\n- **Design compensations carefully** - They must work\n- **Use correlation IDs** - For tracing across services\n- **Implement timeouts** - Don't wait forever\n- **Log everything** - For debugging failures\n\n### Don'ts\n- **Don't assume instant completion** - Sagas take time\n- **Don't skip compensation testing** - Most critical part\n- **Don't couple services** - Use async messaging\n- **Don't ignore partial failures** - Handle gracefully\n\n## Resources\n\n- [Saga Pattern](https:\u002F\u002Fmicroservices.io\u002Fpatterns\u002Fdata\u002Fsaga.html)\n- [Designing Data-Intensive Applications](https:\u002F\u002Fdataintensive.net\u002F)\n","# Saga Orchestration\n\nPatterns for managing distributed transactions and long-running business processes.\n\n## When to Use This Skill\n\n- Coordinating multi-service transactions\n- Implementing compensating transactions\n- Managing long-running business workflows\n- Handling failures in distributed systems\n- Building order fulfillment processes\n- Implementing approval workflows\n\n## Core Concepts\n\n### 1. Saga Types\n\n```\nChoreography                    Orchestration\n┌─────┐  ┌─────┐  ┌─────┐     ┌─────────────┐\n│Svc A│─►│Svc B│─►│Svc C│     │ Orchestrator│\n└─────┘  └─────┘  └─────┘     └──────┬──────┘\n   │        │        │               │\n   ▼        ▼        ▼         ┌─────┼─────┐\n Event    Event    Event       ▼     ▼     ▼\n                            ┌────┐┌────┐┌────┐\n                            │Svc1││Svc2││Svc3│\n                            └────┘└────┘└────┘\n```\n\n### 2. Saga Execution States\n\n| State | Description |\n|-------|-------------|\n| **Started** | Saga initiated |\n| **Pending** | Waiting for step completion |\n| **Compensating** | Rolling back due to failure |\n| **Completed** | All steps succeeded |\n| **Failed** | Saga failed after compensation |\n\n## Templates\n\n### Template 1: Saga Orchestrator Base\n\n```python\nfrom abc import ABC, abstractmethod\nfrom dataclasses import dataclass, field\nfrom enum import Enum\nfrom typing import List, Dict, Any, Optional\nfrom datetime import datetime\nimport uuid\n\nclass SagaState(Enum):\n    STARTED = \"started\"\n    PENDING = \"pending\"\n    COMPENSATING = \"compensating\"\n    COMPLETED = \"completed\"\n    FAILED = \"failed\"\n\n\n@dataclass\nclass SagaStep:\n    name: str\n    action: str\n    compensation: str\n    status: str = \"pending\"\n    result: Optional[Dict] = None\n    error: Optional[str] = None\n    executed_at: Optional[datetime] = None\n    compensated_at: Optional[datetime] = None\n\n\n@dataclass\nclass Saga:\n    saga_id: str\n    saga_type: str\n    state: SagaState\n    data: Dict[str, Any]\n    steps: List[SagaStep]\n    current_step: int = 0\n    created_at: datetime = field(default_factory=datetime.utcnow)\n    updated_at: datetime = field(default_factory=datetime.utcnow)\n\n\nclass SagaOrchestrator(ABC):\n    \"\"\"Base class for saga orchestrators.\"\"\"\n\n    def __init__(self, saga_store, event_publisher):\n        self.saga_store = saga_store\n        self.event_publisher = event_publisher\n\n    @abstractmethod\n    def define_steps(self, data: Dict) -> List[SagaStep]:\n        \"\"\"Define the saga steps.\"\"\"\n        pass\n\n    @property\n    @abstractmethod\n    def saga_type(self) -> str:\n        \"\"\"Unique saga type identifier.\"\"\"\n        pass\n\n    async def start(self, data: Dict) -> Saga:\n        \"\"\"Start a new saga.\"\"\"\n        saga = Saga(\n            saga_id=str(uuid.uuid4()),\n            saga_type=self.saga_type,\n            state=SagaState.STARTED,\n            data=data,\n            steps=self.define_steps(data)\n        )\n        await self.saga_store.save(saga)\n        await self._execute_next_step(saga)\n        return saga\n\n    async def handle_step_completed(self, saga_id: str, step_name: str, result: Dict):\n        \"\"\"Handle successful step completion.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        # Update step\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"completed\"\n                step.result = result\n                step.executed_at = datetime.utcnow()\n                break\n\n        saga.current_step += 1\n        saga.updated_at = datetime.utcnow()\n\n        # Check if saga is complete\n        if saga.current_step >= len(saga.steps):\n            saga.state = SagaState.COMPLETED\n            await self.saga_store.save(saga)\n            await self._on_saga_completed(saga)\n        else:\n            saga.state = SagaState.PENDING\n            await self.saga_store.save(saga)\n            await self._execute_next_step(saga)\n\n    async def handle_step_failed(self, saga_id: str, step_name: str, error: str):\n        \"\"\"Handle step failure - start compensation.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        # Mark step as failed\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"failed\"\n                step.error = error\n                break\n\n        saga.state = SagaState.COMPENSATING\n        saga.updated_at = datetime.utcnow()\n        await self.saga_store.save(saga)\n\n        # Start compensation from current step backwards\n        await self._compensate(saga)\n\n    async def _execute_next_step(self, saga: Saga):\n        \"\"\"Execute the next step in the saga.\"\"\"\n        if saga.current_step >= len(saga.steps):\n            return\n\n        step = saga.steps[saga.current_step]\n        step.status = \"executing\"\n        await self.saga_store.save(saga)\n\n        # Publish command to execute step\n        await self.event_publisher.publish(\n            step.action,\n            {\n                \"saga_id\": saga.saga_id,\n                \"step_name\": step.name,\n                **saga.data\n            }\n        )\n\n    async def _compensate(self, saga: Saga):\n        \"\"\"Execute compensation for completed steps.\"\"\"\n        # Compensate in reverse order\n        for i in range(saga.current_step - 1, -1, -1):\n            step = saga.steps[i]\n            if step.status == \"completed\":\n                step.status = \"compensating\"\n                await self.saga_store.save(saga)\n\n                await self.event_publisher.publish(\n                    step.compensation,\n                    {\n                        \"saga_id\": saga.saga_id,\n                        \"step_name\": step.name,\n                        \"original_result\": step.result,\n                        **saga.data\n                    }\n                )\n\n    async def handle_compensation_completed(self, saga_id: str, step_name: str):\n        \"\"\"Handle compensation completion.\"\"\"\n        saga = await self.saga_store.get(saga_id)\n\n        for step in saga.steps:\n            if step.name == step_name:\n                step.status = \"compensated\"\n                step.compensated_at = datetime.utcnow()\n                break\n\n        # Check if all compensations complete\n        all_compensated = all(\n            s.status in (\"compensated\", \"pending\", \"failed\")\n            for s in saga.steps\n        )\n\n        if all_compensated:\n            saga.state = SagaState.FAILED\n            await self._on_saga_failed(saga)\n\n        await self.saga_store.save(saga)\n\n    async def _on_saga_completed(self, saga: Saga):\n        \"\"\"Called when saga completes successfully.\"\"\"\n        await self.event_publisher.publish(\n            f\"{self.saga_type}Completed\",\n            {\"saga_id\": saga.saga_id, **saga.data}\n        )\n\n    async def _on_saga_failed(self, saga: Saga):\n        \"\"\"Called when saga fails after compensation.\"\"\"\n        await self.event_publisher.publish(\n            f\"{self.saga_type}Failed\",\n            {\"saga_id\": saga.saga_id, \"error\": \"Saga failed\", **saga.data}\n        )\n```\n\n### Template 2: Order Fulfillment Saga\n\n```python\nclass OrderFulfillmentSaga(SagaOrchestrator):\n    \"\"\"Orchestrates order fulfillment across services.\"\"\"\n\n    @property\n    def saga_type(self) -> str:\n        return \"OrderFulfillment\"\n\n    def define_steps(self, data: Dict) -> List[SagaStep]:\n        return [\n            SagaStep(\n                name=\"reserve_inventory\",\n                action=\"InventoryService.ReserveItems\",\n                compensation=\"InventoryService.ReleaseReservation\"\n            ),\n            SagaStep(\n                name=\"process_payment\",\n                action=\"PaymentService.ProcessPayment\",\n                compensation=\"PaymentService.RefundPayment\"\n            ),\n            SagaStep(\n                name=\"create_shipment\",\n                action=\"ShippingService.CreateShipment\",\n                compensation=\"ShippingService.CancelShipment\"\n            ),\n            SagaStep(\n                name=\"send_confirmation\",\n                action=\"NotificationService.SendOrderConfirmation\",\n                compensation=\"NotificationService.SendCancellationNotice\"\n            )\n        ]\n\n\n# Usage\nasync def create_order(order_data: Dict):\n    saga = OrderFulfillmentSaga(saga_store, event_publisher)\n    return await saga.start({\n        \"order_id\": order_data[\"order_id\"],\n        \"customer_id\": order_data[\"customer_id\"],\n        \"items\": order_data[\"items\"],\n        \"payment_method\": order_data[\"payment_method\"],\n        \"shipping_address\": order_data[\"shipping_address\"]\n    })\n\n\n# Event handlers in each service\nclass InventoryService:\n    async def handle_reserve_items(self, command: Dict):\n        try:\n            # Reserve inventory\n            reservation = await self.reserve(\n                command[\"items\"],\n                command[\"order_id\"]\n            )\n            # Report success\n            await self.event_publisher.publish(\n                \"SagaStepCompleted\",\n                {\n                    \"saga_id\": command[\"saga_id\"],\n                    \"step_name\": \"reserve_inventory\",\n                    \"result\": {\"reservation_id\": reservation.id}\n                }\n            )\n        except InsufficientInventoryError as e:\n            await self.event_publisher.publish(\n                \"SagaStepFailed\",\n                {\n                    \"saga_id\": command[\"saga_id\"],\n                    \"step_name\": \"reserve_inventory\",\n                    \"error\": str(e)\n                }\n            )\n\n    async def handle_release_reservation(self, command: Dict):\n        # Compensating action\n        await self.release_reservation(\n            command[\"original_result\"][\"reservation_id\"]\n        )\n        await self.event_publisher.publish(\n            \"SagaCompensationCompleted\",\n            {\n                \"saga_id\": command[\"saga_id\"],\n                \"step_name\": \"reserve_inventory\"\n            }\n        )\n```\n\n### Template 3: Choreography-Based Saga\n\n```python\nfrom dataclasses import dataclass\nfrom typing import Dict, Any\nimport asyncio\n\n@dataclass\nclass SagaContext:\n    \"\"\"Passed through choreographed saga events.\"\"\"\n    saga_id: str\n    step: int\n    data: Dict[str, Any]\n    completed_steps: list\n\n\nclass OrderChoreographySaga:\n    \"\"\"Choreography-based saga using events.\"\"\"\n\n    def __init__(self, event_bus):\n        self.event_bus = event_bus\n        self._register_handlers()\n\n    def _register_handlers(self):\n        self.event_bus.subscribe(\"OrderCreated\", self._on_order_created)\n        self.event_bus.subscribe(\"InventoryReserved\", self._on_inventory_reserved)\n        self.event_bus.subscribe(\"PaymentProcessed\", self._on_payment_processed)\n        self.event_bus.subscribe(\"ShipmentCreated\", self._on_shipment_created)\n\n        # Compensation handlers\n        self.event_bus.subscribe(\"PaymentFailed\", self._on_payment_failed)\n        self.event_bus.subscribe(\"ShipmentFailed\", self._on_shipment_failed)\n\n    async def _on_order_created(self, event: Dict):\n        \"\"\"Step 1: Order created, reserve inventory.\"\"\"\n        await self.event_bus.publish(\"ReserveInventory\", {\n            \"saga_id\": event[\"order_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"items\": event[\"items\"]\n        })\n\n    async def _on_inventory_reserved(self, event: Dict):\n        \"\"\"Step 2: Inventory reserved, process payment.\"\"\"\n        await self.event_bus.publish(\"ProcessPayment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"amount\": event[\"total_amount\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n\n    async def _on_payment_processed(self, event: Dict):\n        \"\"\"Step 3: Payment done, create shipment.\"\"\"\n        await self.event_bus.publish(\"CreateShipment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"payment_id\": event[\"payment_id\"]\n        })\n\n    async def _on_shipment_created(self, event: Dict):\n        \"\"\"Step 4: Complete - send confirmation.\"\"\"\n        await self.event_bus.publish(\"OrderFulfilled\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"order_id\": event[\"order_id\"],\n            \"tracking_number\": event[\"tracking_number\"]\n        })\n\n    # Compensation handlers\n    async def _on_payment_failed(self, event: Dict):\n        \"\"\"Payment failed - release inventory.\"\"\"\n        await self.event_bus.publish(\"ReleaseInventory\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n        await self.event_bus.publish(\"OrderFailed\", {\n            \"order_id\": event[\"order_id\"],\n            \"reason\": \"Payment failed\"\n        })\n\n    async def _on_shipment_failed(self, event: Dict):\n        \"\"\"Shipment failed - refund payment and release inventory.\"\"\"\n        await self.event_bus.publish(\"RefundPayment\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"payment_id\": event[\"payment_id\"]\n        })\n        await self.event_bus.publish(\"ReleaseInventory\", {\n            \"saga_id\": event[\"saga_id\"],\n            \"reservation_id\": event[\"reservation_id\"]\n        })\n```\n\n### Template 4: Saga with Timeouts\n\n```python\nclass TimeoutSagaOrchestrator(SagaOrchestrator):\n    \"\"\"Saga orchestrator with step timeouts.\"\"\"\n\n    def __init__(self, saga_store, event_publisher, scheduler):\n        super().__init__(saga_store, event_publisher)\n        self.scheduler = scheduler\n\n    async def _execute_next_step(self, saga: Saga):\n        if saga.current_step >= len(saga.steps):\n            return\n\n        step = saga.steps[saga.current_step]\n        step.status = \"executing\"\n        step.timeout_at = datetime.utcnow() + timedelta(minutes=5)\n        await self.saga_store.save(saga)\n\n        # Schedule timeout check\n        await self.scheduler.schedule(\n            f\"saga_timeout_{saga.saga_id}_{step.name}\",\n            self._check_timeout,\n            {\"saga_id\": saga.saga_id, \"step_name\": step.name},\n            run_at=step.timeout_at\n        )\n\n        await self.event_publisher.publish(\n            step.action,\n            {\"saga_id\": saga.saga_id, \"step_name\": step.name, **saga.data}\n        )\n\n    async def _check_timeout(self, data: Dict):\n        \"\"\"Check if step has timed out.\"\"\"\n        saga = await self.saga_store.get(data[\"saga_id\"])\n        step = next(s for s in saga.steps if s.name == data[\"step_name\"])\n\n        if step.status == \"executing\":\n            # Step timed out - fail it\n            await self.handle_step_failed(\n                data[\"saga_id\"],\n                data[\"step_name\"],\n                \"Step timed out\"\n            )\n```\n\n## Best Practices\n\n### Do's\n- **Make steps idempotent** - Safe to retry\n- **Design compensations carefully** - They must work\n- **Use correlation IDs** - For tracing across services\n- **Implement timeouts** - Don't wait forever\n- **Log everything** - For debugging failures\n\n### Don'ts\n- **Don't assume instant completion** - Sagas take time\n- **Don't skip compensation testing** - Most critical part\n- **Don't couple services** - Use async messaging\n- **Don't ignore partial failures** - Handle gracefully\n\n## Resources\n\n- [Saga Pattern](https:\u002F\u002Fmicroservices.io\u002Fpatterns\u002Fdata\u002Fsaga.html)\n- [Designing Data-Intensive Applications](https:\u002F\u002Fdataintensive.net\u002F)\n",{"name":5,"description":7},"main","7850740bd837adb32f0a109ab2af82482196c6f2","skills\u002F_collections\u002Fwshobson-agents\u002Fplugins\u002Fbackend-development\u002Fskills\u002Fsaga-orchestration",1,"https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills","https:\u002F\u002Fzturnsgo.com","https:\u002F\u002Fgithub.com\u002Fshengdabai","https:\u002F\u002Fzturnsgo.com\u002F","AI × education creator — producer, not consumer. Taught 6,000+ learners; shipping learning tools & daily essays with Claude Code, practicing @xiaolai's way 🥋","2026-11-01 21:28:23",{"source":8,"skillName":5,"commands":51,"prompt":61,"zipAvailable":62},[52,55,58],{"tool":53,"command":54},"npx","npx skills add shengdabai\u002FTony-Claude-Code-Skills --skill saga-orchestration",{"tool":56,"command":57},"bunx","bunx skills add shengdabai\u002FTony-Claude-Code-Skills --skill saga-orchestration",{"tool":59,"command":60},"pnpm","pnpm dlx skills add shengdabai\u002FTony-Claude-Code-Skills --skill saga-orchestration","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002F_collections\u002Fwshobson-agents\u002Fplugins\u002Fbackend-development\u002Fskills\u002Fsaga-orchestration\u002FSKILL.md",true,[],[65,84,118,143,164,184],{"skillNo":66,"name":67,"nameZh":6,"description":68,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":69,"categories":70,"keywords":76,"publishedAt":35},"01M70P17DAD4C1C47NPH6A96EM","xiaolai-methodology","以李笑来(Li Xiaolai)的思考方式、方法论与表达风格,为用户做全方位 1-on-1 教练指导,覆盖创业、赚钱、投资、学习、自学、读书写作、用 AI、以及人生心态与自我管理。当用户提到 \"李笑来\"、\"笑来\"、\"笑来老师\"、\"扮演李笑来\"、\"找笑来聊聊\"、\"笑来怎么看\"、\"xiaolai\"、\"把时间当作朋友\"、\"通往财富自由之路\"、\"定投改变命运\"、\"韭菜的自我修养\"、\"自学是门手艺\"、\"让时间陪你慢慢变富\"、\"七年就是一辈子\"、\"元认知\"、\"活在未来\"、\"复利\u002F长期主义\"、\"践行\"、\"痴迷改进\"、\"个人商业模式\u002F出售时间\"、\"睡后收入\"、\"定投\"、\"财富自由\"、\"操作系统升级\"、\"最少必要知识\"、\"北极星提示词\"、\"用 AI 该怎么学\u002F思考\" 等任一触发词,或当用户带着关于创业\u002F赚钱\u002F投资\u002F学习\u002F职业\u002F重大人生决策的困惑、希望被人用笑来式的「逻辑 + 大白话 + 类比 + 重新定义 + 践行导向」来点醒和指导时,自动进入李笑来教练模式。","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fxiaolai-methodology\u002FSKILL.md",[71],{"categoryNo":72,"categoryName":73,"taxonomyType":74,"taxonomyTypeDesc":75},"01JBSEEDCAT000000000000018","写作与文案","SCENARIO","使用场景",[77,78,79,80,81,82,83],"methodology","xiaolai","xiaolai methodology","朋友","投资","writing","收入",{"skillNo":85,"name":86,"nameZh":6,"description":87,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":88,"categories":89,"keywords":98,"publishedAt":35},"01M70P13NB9YP7ACJR1S861CDS","zread","Produce and consume a wiki-style knowledge base for a code repository via the `zread` CLI and its on-disk output under `.\u002F.zread\u002Fwiki\u002F`. Use this skill whenever the user wants to understand, onboard onto, explore, summarize, map, or get an overview of an unfamiliar codebase; asks for architecture docs, a project wiki, a repo walkthrough, module\u002Fpackage explanations, or \"what does this repo do\"; wants to generate, regenerate, resume, browse, or serve code documentation locally; or mentions zread \u002F zread.ai directly. Also use it proactively before diving into a large unknown repo — if `.\u002F.zread\u002Fwiki\u002Fcurrent` exists, read the generated pages instead of crawling source file-by-file; if it doesn't, consider offering to run `zread generate`. The trigger is the intent (understand a codebase through generated docs), not the literal word \"zread\".","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fzread\u002FSKILL.md",[90,93],{"categoryNo":91,"categoryName":92,"taxonomyType":74,"taxonomyTypeDesc":75},"01JBSEEDCAT000000000000023","Skill与智能体开发",{"categoryNo":94,"categoryName":95,"taxonomyType":96,"taxonomyTypeDesc":97},"01JBSEEDCAT000000000000030","开发工程师","PROFESSION","适用职业",[86,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117],"knowledge","wiki","explore","walkthrough","project","get","knowledge base","run","generate","intent","cli","map","documentation","project wiki","disk","architecture","code","unknown","generated",{"skillNo":119,"name":120,"nameZh":6,"description":121,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":122,"categories":123,"keywords":128,"publishedAt":35},"01M70P10S4SWMZQ8BJAFBFDRW3","youtube","Launch the YouTube Creator Agent to auto-generate videos.\nUse when: user types \u002Fyoutube, wants to create YouTube videos,\ngenerate video content, or upload to YouTube.\nKeywords: youtube, video, 视频, 创作视频, 发布视频","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fyoutube\u002FSKILL.md",[124,125],{"categoryNo":91,"categoryName":92,"taxonomyType":74,"taxonomyTypeDesc":75},{"categoryNo":126,"categoryName":127,"taxonomyType":96,"taxonomyTypeDesc":97},"01JBSEEDCAT000000000000036","内容创作者",[120,129,130,131,132,133,134,135,107,136,137,138,28,25,139,140,141,142],"user","content","视频","creator","generate video","videos","launch","video content","create","upload","auto","types","Video","创作",{"skillNo":144,"name":145,"nameZh":6,"description":146,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":147,"categories":148,"keywords":150,"publishedAt":35},"01M70P0YE95D8BACZCGV8BK90K","youtube-script-sync","Sync, update, or optimize Tony's GetNote knowledge base `Youtube视频逐字稿` by turning each parent recording or first-person idea note into an idempotent child note containing a directly recordable YouTube long-video or Shorts script. Use when the user says “更新\u002F同步\u002F优化 Youtube视频逐字稿知识库”, or says “更新\u002F同步\u002F优化该知识库” while this knowledge base is the active context.","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fyoutube-script-sync\u002FSKILL.md",[149],{"categoryNo":91,"categoryName":92,"taxonomyType":74,"taxonomyTypeDesc":75},[151,152,120,153,154,141,155,156,157,158,159,160,161,162,105,163,28,25,99,24],"sync","script","youtube script sync","recording","shorts","first","base","person","update","active","child","optimize","idempotent",{"skillNo":165,"name":166,"nameZh":6,"description":167,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":168,"categories":169,"keywords":174,"publishedAt":35},"01M70P0WMV5XT0EEC0N445PW07","writing-skills","How to write SKILL.md files that trigger reliably and teach effectively. Use when creating, improving, or reviewing Claude Code skills.","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fxiaolai\u002Fnlpm\u002Fskills\u002Fnlpm\u002Fwriting-skills\u002FSKILL.md",[170,171,172,173],{"categoryNo":72,"categoryName":73,"taxonomyType":74,"taxonomyTypeDesc":75},{"categoryNo":91,"categoryName":92,"taxonomyType":74,"taxonomyTypeDesc":75},{"categoryNo":94,"categoryName":95,"taxonomyType":96,"taxonomyTypeDesc":97},{"categoryNo":126,"categoryName":127,"taxonomyType":96,"taxonomyTypeDesc":97},[175,82,176,177,178,179,115,28,25,180,181,182,183],"writing skills","how","teach","write skill","write","claude code skills","files","how to","trigger",{"skillNo":185,"name":186,"nameZh":6,"description":187,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":188,"categories":189,"keywords":192,"publishedAt":35},"01M70P0SJFR4YVJQBGMHKGSKXT","writing-rules","How to write .claude\u002Frules\u002F files that Claude actually follows. Use when creating, improving, or reviewing project rules.","https:\u002F\u002Fgithub.com\u002Fshengdabai\u002FTony-Claude-Code-Skills\u002Fblob\u002Fmain\u002Fskills\u002Fxiaolai\u002Fnlpm\u002Fskills\u002Fnlpm\u002Fwriting-rules\u002FSKILL.md",[190,191],{"categoryNo":72,"categoryName":73,"taxonomyType":74,"taxonomyTypeDesc":75},{"categoryNo":126,"categoryName":127,"taxonomyType":96,"taxonomyTypeDesc":97},[193,82,194,103,195,181,28,176,179,25,182],"Rules","writing rules","project rules"]