Author stress-tests a containerized task system and explains why hard isolation was left unbuilt

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The final post in a series on agent execution infrastructure assembles earlier fixes and runs a load test of 20 concurrent one-minute tasks against a small container pool. The test confirmed that no tasks were lost, surplus work queued, users received queue positions instead of errors, and progress stayed queryable. The author stresses that this load level is too small to reveal real failure modes, and that failure-injection experiments need a multi-node cluster the local laptop setup cannot provide. He also admits that tasks held by a dead container are not automatically re-dispatched, which would require a task-state table and timeout rules. The post closes by noting that stronger isolation, such as the shared kernel's role in container boundaries, was designed on paper but not implemented.

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