This solve vector looks exhausted — both hypotheses answered, the solution blocked by an external gap. Flip the dead-end into a spark?
seam · a dead-end became a spark ⟲
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Same graph, pivoted — nodes × shared facet namespace
Facets draw from one namespace, so the graph reads as a grid. Two nodes filling the same column share a dependency worth wiring; a gap cell is the coupling scout's raw material. Click any cell to jump to it in the graph.