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📜 WAYPOINT LESSON

Checkpoint: Async & HTTP

⭐⭐ intermediate⏳ 15 min read📍 Lesson 101 of 180

Graded checkpoint: fault-isolated aggregation over shards, in both synchronous and CompletableFuture forms.

Checkpoint — async & HTTP

You can now: compose async pipelines that recover in the right place, build clients that run entirely on fake transports, and implement retry policy that respects error classes. Prove it with an aggregator.