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Extract product-agnostic workflow engine from Ablera.Serdica.Workflow into standalone StellaOps.Workflow.* libraries targeting net10.0. Libraries (14): - Contracts, Abstractions (compiler, decompiler, expression runtime) - Engine (execution, signaling, scheduling, projections, hosted services) - ElkSharp (generic graph layout algorithm) - Renderer.ElkSharp, Renderer.ElkJs, Renderer.Msagl, Renderer.Svg - Signaling.Redis, Signaling.OracleAq - DataStore.MongoDB, DataStore.PostgreSQL, DataStore.Oracle WebService: ASP.NET Core Minimal API with 22 endpoints Tests (8 projects, 109 tests pass): - Engine.Tests (105 pass), WebService.Tests (4 E2E pass) - Renderer.Tests, DataStore.MongoDB/Oracle/PostgreSQL.Tests - Signaling.Redis.Tests, IntegrationTests.Shared Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Tutorial 6: Advanced Patterns
Fork (parallel branches), Repeat (retry loops), Timer (delays), and External Signal (wait for events).
Patterns
| Pattern | Use When |
|---|---|
| Fork | Multiple independent operations that should run concurrently |
| Repeat | Retry a service call with backoff, poll until condition met |
| Timer | Delay between steps (backoff, scheduled processing) |
| External Signal | Wait for an external event (document upload, approval from another system) |
Variants
Next
Tutorial 7: Shared Helpers — organizing reusable workflow components.