Consistency Models — Animate | AI Wisdom

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🎞 ANIMATE · Mode 3 of 5 · +100 XP— SAGA Pattern
📋Forward
⚙️Failure
🔄Compensate
✅Rollback
🎯 Next: Test →
Step 1 / 4
Speed
Execute forward steps
Steps execute sequentially: inventory → payment → shipping → confirm💡 Analogy
Like signing multiple contracts in sequence — each one reversible if something later goes wrong.
Each service call executes one local transaction. After each success, register a compensating transaction.
Console Output
> step 1: inventoryService.reserve() → success ✅
> step 2: paymentService.charge() → success ✅
> step 3: shippingService.create() → ...
●saga.ts
Execute forward stepsL6–16
1// Orchestration SAGA for order processing
2class OrderSaga {
3  async execute(orderId: string, items: Item[], userId: string) {
4    const steps: SagaStep[] = [];
5    try {
6      // Step 1: Reserve inventory
7      await inventoryService.reserve(items);
8      steps.push({ compensate: () => inventoryService.release(items) });
9 
10      // Step 2: Charge payment
11      const charge = await paymentService.charge(userId, calculateTotal(items));
12      steps.push({ compensate: () => paymentService.refund(charge.id) });
13 
14      // Step 3: Create shipment
15      const shipment = await shippingService.create(orderId, items);
16      steps.push({ compensate: () => shippingService.cancel(shipment.id) });
17 
18      // Step 4: Confirm order
19      await orderService.confirm(orderId);
20 
21      return { success: true, orderId };
22    } catch (error) {
23      // Compensate in reverse order
24      for (const step of steps.reverse()) {
25        await step.compensate().catch(console.error);
26      }
27      return { success: false, error };
28    }
29  }
30}
30 lines
Timeline — 4 Steps
Execute forward steps
Steps execute sequentially: inventory → payment → shipping → confirm💡 Analogy
Like signing multiple contracts in sequence — each one reversible if something later goes wrong.
Each service call executes one local transaction. After each success, register a compensating transaction.
Console Output
> step 1: inventoryService.reserve() → success ✅
> step 2: paymentService.charge() → success ✅
> step 3: shippingService.create() → ...

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Discussion

Steps execute sequentially: inventory → payment → shipping → confirm

💡 Analogy

Like signing multiple contracts in sequence — each one reversible if something later goes wrong.

Each service call executes one local transaction. After each success, register a compensating transaction.

Console Output

> step 1: inventoryService.reserve() → success ✅
> step 2: paymentService.charge() → success ✅
> step 3: shippingService.create() → ...

Steps execute sequentially: inventory → payment → shipping → confirm

💡 Analogy

Like signing multiple contracts in sequence — each one reversible if something later goes wrong.

Each service call executes one local transaction. After each success, register a compensating transaction.

Console Output

> step 1: inventoryService.reserve() → success ✅
> step 2: paymentService.charge() → success ✅
> step 3: shippingService.create() → ...