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Test plan items 3-5: - TileToken self-routing: advance(), stage sequence, chain traversal - PipelineContext: completion tracking, exactly-once contract - Tiling plans: GEMM tile count, stage sequence, intermediate K no DMA_WRITE - Math plan: READ→FETCH→MATH→STORE→WRITE sequence - Pipeline overlap: SimPy simulation verifying intra-command tile overlap 9 new tests, all passing. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>