feat(pipeline): land Phase 2 + 3 + 4 on dev (vector engine, live envelope, risk-neutrality)#515

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MDUYN merged 15 commits into

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feat/503-pipeline-api-phase3-live

May 4, 2026

Commits on May 2, 2026

feat(pipeline): add VectorPipelineEngine (#502 phase 2a)
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feat(pipeline): wire VectorPipelineEngine into VectorBacktestService (#502 phase 2b)
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feat(pipeline): factor arithmetic, cross-sectional transforms, lazy executor (#502 phase 2c+2d)
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docs(pipeline): document factor algebra, cross-sectional transforms, lazy executor (#502)
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feat(pipeline): validate pipeline warmup_window at strategy construction (#503 phase 3a)
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feat(pipeline): live envelope, universe-refresh cache, per-pipeline resilience (#503 phase 3b/3c/3d)
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feat(pipeline): risk-neutrality primitives (#504)
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docs(pipeline): list risk-neutrality primitives in built-in factor table + groups= example
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Commits on May 4, 2026