Added 16 atom-counter laziness tests to lazy-infinite-test.janet:
map, filter, remove, take-while, drop-while, distinct, take-nth,
map-indexed, keep, keep-indexed, interpose, partition, partition-all,
mapcat, dedupe, repeated-inc
Each test wraps input elements in (swap! c inc) and proves only the
exact minimal number of elements are realized. 37/37 pass, 0 timeouts.
Updated phase-5.md §7: "22/22" → "21/21" (interleave commented out),
§6.3 marked Done.
Final gate results:
lazy-infinite: 37/37 (21 value + 16 counter)
conformance: 229/229 ×3
specs: 32/32 files, 0 failures
clojure-test-suite: 3971 pass (↑45), 6 timeouts (↓3)
core-bench: TOTAL 2531 ms (no Phase-4 baseline for comparison)
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