Changes touching this path

• a published speedup that exceeded a ceiling measured three paragraphs below it is WITHDRAWN rather than explained, and the instrument that measured the ceiling is REFUTED BY MEASUREMENT rather than by argument: a discarded second read_graph measures the MARGINAL cost of an extra decode while the pool is still alive, not the first call share - it reads 151.5 ms against a whole region of 148.4 on one after binary and 162.5 against 157.7 on a second, over 100 percent of the quantity it is a fraction of, twice, on separately built binaries. the replacement stops the function instead of doubling the read, and its bands SUM to the region: read_graph plus pool build 154.3 ms at 89.8 percent, walk and splice 16.2, objects and keyring 1.4, against a region of 171.9 - so the ~89 percent decode finding SURVIVES the loss of the instrument that first produced it, and on that pair the change removes 13.9 of the 16.2 ms it could touch, a delta that FITS. the magnitude itself is re-measured across 156 gate runs in one sitting on an idle machine, every run exit 0, discarded 0 batches, carrying a VALUE rather than reading skipped, with the harness own probe at 1 to 9 percent and no exit 3 or 4 anywhere: three independently built before-and-after pairs read minus 13.6, minus 8.1 and minus 10.6 percent at depth 1024, disjoint at both depths in every pair, with graph-load flat across the same invocations - so the answer is published as minus 8 percent conservative and about minus 10 middle, and the spread is the BINARY rather than the machine. the residual is stated and NOT reconciled: the clean pair 22.5 ms exceeds the 16.2 ms band it should sit inside, and the clean pair own band cannot be measured without making it un-clean, with corroborating evidence that the instrument perturbs what it measures - the stop-instrumented after binary reads a read-and-pool band ABOVE its own whole region, an early return costing more than the work it skips, six rounds out of six. what would settle it is named as an exact allocation counter over the region that no half records today, and it is left as instrument work rather than done here. the copy in the fixture now quotes NO figure at all, keeping only the shape, because a figure quoted anywhere else is a copy. the in-loop guard stops checking the OTHER guard than the one its prose names and is asked every rep of the position under measurement - proved by a mutation pair where a no-op ingest is caught RED at 156 passed 2 failed and, with the same guard disabled, GREEN at 158 passed 0 failed, which demonstrates the blindness rather than arguing it. the ADR masthead stops enumerating its own amendments and points at the inline marks that already carry their tickets, the fixture stops claiming the ancestry is the real path when its root is parentless and the walk stop predicate never fires, the Err arm stops asserting a merge as the cause it never established and hands over the selector quoted refusal instead, and the shallow header stops calling a convention mechanical when nothing enforces it (#1888) dc524dd2 · dbf3dbe6…

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