Infrastructure Change Approval

1IDLE --[start_analysis]--> ANALYZING
2ANALYZING --[submit_analysis]--> PENDING_APPROVAL
3PENDING_APPROVAL --[approve_change]--> APPROVED --[execute_rollout]--> ROLLING_OUT --[complete_rollout]--> COMPLETE
4PENDING_APPROVAL --[reject_change]--> REJECTED

1import Anthropic from "@anthropic-ai/sdk";
2import { createLoopSystem } from "@loop-engine/sdk";
3import { createAnthropicActorAdapter } from "@loop-engine/adapter-anthropic";
4 
5const anthropic = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY });
6const adapter = createAnthropicActorAdapter(anthropic, { modelId: "claude-opus-4-6" });
7const { engine } = await createLoopSystem({ loops: [changeApprovalLoop] });
8 
9const { actor, decision } = await adapter.createSubmission({
10  loopId: "infrastructure.change_approval",
11  loopName: "Infrastructure Change Approval",
12  currentState: "ANALYZING",
13  availableSignals: [{ signalId: "submit_analysis", name: "Submit Analysis" }],
14  instruction: "Assess blast radius and rollback readiness.",
15  evidence: { changeId: "CHG-10021", service: "payments-api" }
16});
17 
18await engine.transition({
19  aggregateId: "chg-2026-03-13-001" as never,
20  transitionId: "submit_analysis" as never,
21  actor,
22  evidence: {
23    ...decision,
24    blast_radius_score: 0.22,
25    affected_services: ["payments-api", "settlement-worker"],
26    rollback_plan: "revert migration and recycle workers"
27  }
28});

1{
2  type: "loop.transition.executed",
3  loopId: "infrastructure.change_approval",
4  aggregateId: "chg-2026-03-13-001",
5  transitionId: "approve_change",
6  fromState: "PENDING_APPROVAL",
7  toState: "APPROVED",
8  actor: { type: "human", id: "sre@company.com" },
9  evidence: { approvalTicket: "SRE-4451", approved: true }
10}