title: Milestone M3 (Pool, scheduler, timeouts) is done status: active fact_kind: observation tags:

• milestone
• roadmap

text_ref: README.md#Roadmap origin: kind: agent recorded_at: '2026-10-29T16:05:56.688Z' id: FACT-MILESTONE-M3 type: fact --- Parallel workers, longest-first scheduling, the controller hard limit with non-blocking pipe reads, crash retries and worker_reuse. Merged as PR #3.

The milestone order comes from the design plan (https://claude.ai/artifact/8VSSrcST19zrho8z7q5TTh), where each milestone depends on the one before it. The README Roadmap section records the same list.