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plan: update progress log with final Math scoreboard

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giles
2026-04-23 23:42:08 +00:00
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@@ -199,7 +199,7 @@ Append-only record of completed iterations. Loop writes one line per iteration:
- 2026-04-23 — **Callable `Number() / String() / Boolean() / Array()` + `Array.prototype.sort`.** Made the builtin constructor dicts callable by adding a `:__callable__` slot that points to a conversion function; `js-call-plain` and `js-function?` now detect dicts with `__callable__` and dispatch through it. `Number("42") === 42`, `String(true) === "true"`, `Boolean(0) === false`, `Array(3)` returns length-3 list, `Array(1,2,3)` returns `[1,2,3]`. `Array.prototype.sort(comparator?)` added via bubble-sort O(n²) `js-list-sort-outer!` / `-inner!`. Default comparator is lexicographic (JS-spec `toString()` then compare). Custom comparators get `(cmp a b) → number` and swap when positive. 11 new tests. 438/440 (427→+11). Conformance unchanged. Wide scoreboard (Math+Number+String+Array+{addition,equals,if,for,while}): baseline **259/5354 (4.8%)** before these improvements; top failures were ReferenceError (1056×), TypeError not-a-function (514×), array-like `{length:3, 0:41, 1:42, 2:43}` receivers (455×), SyntaxError (454×). Need to re-run scoreboard to see the delta from all the April 23rd work.
- 2026-04-23 — **Rest + rename in destructure, delete operator, Array.prototype / String.prototype / Number.prototype stubs, lastIndexOf, typeof fix, js-apply-fn handles callable dicts.** Array destructure `[a, ...rest]` transpiles rest-tail to `(js-list-slice tmp i (len tmp))`. Obj pattern `{key: local}` renames to `local`. `delete obj.k` → `js-delete-prop` which sets value to undefined. `Array.prototype.push` etc. are accessible as proto-functions that route through `js-this` + `js-invoke-method`. `Number.prototype` stub with `toString/valueOf/toFixed`. Nested destructuring patterns tolerated via `jp-skip-balanced` (treated as holes). Destructuring params in fn decls accepted (holes). Post-Math refresh: **65/288 (22.6%)** (was 56/288 19.4%), +9 passes on Math alone. 446/448 unit (438→+8). 148/148 slice unchanged.
- 2026-04-23 — **Rest + rename in destructure, delete operator, Array.prototype / String.prototype / Number.prototype stubs, lastIndexOf, typeof fix, js-apply-fn handles callable dicts.** Array destructure `[a, ...rest]` transpiles rest-tail to `(js-list-slice tmp i (len tmp))`. Obj pattern `{key: local}` renames to `local`. `delete obj.k` → `js-delete-prop` which sets value to undefined. `Array.prototype.push` etc. are accessible as proto-functions that route through `js-this` + `js-invoke-method`. `Number.prototype` stub with `toString/valueOf/toFixed`. Nested destructuring patterns tolerated via `jp-skip-balanced` (treated as holes). Destructuring params in fn decls accepted (holes). **Final Math scoreboard: 66/288 (22.9%)** vs 56/288 (19.4%) baseline, +10 passes (+3.5 percentage points). 446/448 unit (438→+8). 148/148 slice unchanged. Top remaining Math failures: 94× ReferenceError (`Math.log`/`Math.sin`/`Math.cos` etc. not shimmed — no SX `sin`/`cos`/`log` primitives), 79× assertion-fail (numerical precision on `Math.floor` / `ceil` / `trunc` edge cases), 31× TypeError, 16× Timeout.
## Phase 3-5 gotchas