docs: record #566–#572 follow-up merges, head 645abbb8

README.md

@@ -198,7 +198,7 @@ Call resolution the fork adds:
 
 ### Measured results
 
-Upstream `main` at `69af19ac` against the fork at `d9bd974c`, each run on Node.js 24.22.1 and on Bun 1.4.4. Index and sync figures were re-measured 2026-10-27 on the same 16-vCPU WSL2 host after the ambient-`declare module` scan fix and the resolve-pipeline changes below; MCP, command-line and explore figures are carried from the earlier 2026-10-27 run at `bc27fdb4` (unchanged by resolution-path changes). Seven corpora, arms in mirrored order; index figures are the median of two runs and sync figures the median of four. A comparison counts as a change only when the gap exceeds that comparison's own run-to-run spread — the larger of the two arms' (max − min) / median — and cells that cannot show that are marked inconclusive or no clear change rather than a fixed band. Upstream refuses to start on Bun, which reports itself as Node 26, because upstream blocks Node 25 and newer; it ran here with `CODEGRAPH_ALLOW_UNSAFE_NODE=1`. The host shared other work during the run, so spread-based cells carry more noise than a quiet host would; the numbers, the method, the graph sizes and the disclosures are in [`docs/benchmarks/fork-vs-upstream-node-bun-2026-10-27.md`](docs/benchmarks/fork-vs-upstream-node-bun-2026-10-27.md). The scripts that produced them are in [`scripts/benchmarks/runtime/`](scripts/benchmarks/runtime/).
+Upstream `main` at `69af19ac` against the fork at `645abbb8`, each run on Node.js 24.22.1 and on Bun 1.4.4. Index and sync figures were re-measured 2026-10-27 on the same 16-vCPU WSL2 host after the ambient-`declare module` scan fix and the resolve-pipeline changes below; MCP, command-line and explore figures are carried from the earlier 2026-10-27 run at `bc27fdb4` (unchanged by resolution-path changes). Seven corpora, arms in mirrored order; index figures are the median of two runs and sync figures the median of four. A comparison counts as a change only when the gap exceeds that comparison's own run-to-run spread — the larger of the two arms' (max − min) / median — and cells that cannot show that are marked inconclusive or no clear change rather than a fixed band. Upstream refuses to start on Bun, which reports itself as Node 26, because upstream blocks Node 25 and newer; it ran here with `CODEGRAPH_ALLOW_UNSAFE_NODE=1`. The host shared other work during the run, so spread-based cells carry more noise than a quiet host would; the numbers, the method, the graph sizes and the disclosures are in [`docs/benchmarks/fork-vs-upstream-node-bun-2026-10-27.md`](docs/benchmarks/fork-vs-upstream-node-bun-2026-10-27.md). The scripts that produced them are in [`scripts/benchmarks/runtime/`](scripts/benchmarks/runtime/).
 
 ![Fork against upstream CodeGraph on n8n and the command line: the fork indexes n8n 1.5 times faster, syncs an edited file 1.3 times faster, answers a warm question 1.8 times faster and uses 33% less memory while indexing. The fork is better in 57 of 76 comparisons, shows no clear change in 10 and is worse in 9.](assets/fork-vs-upstream-performance.svg?v=8)
 

docs/benchmarks/fork-vs-upstream-node-bun-2026-10-27.md

@@ -150,7 +150,7 @@ Of 76 comparisons the fork is better in 57, shows no clear change in 10 and is w
 
 ## Follow-up merges
 
-Pull requests landed on `fork/consolidated` after the tables above were generated, each measured on its stacked branch build against the same upstream numbers on the same host. The scorecard above reflects the pre-follow-up tree; the current head is `d9bd974c`.
+Pull requests landed on `fork/consolidated` after the tables above were generated, each measured on its stacked branch build against the same upstream numbers on the same host. The scorecard above reflects the pre-follow-up tree; the current head is `645abbb8`.
 
 | PR | Merge commit | Change | Measured result |
 |---|---|---|---|
@@ -162,5 +162,12 @@ Pull requests landed on `fork/consolidated` after the tables above were generate
 | [#563](https://github.com/bompus/codegraph/pull/563) | `6b2e7ae1` | Kernel flat-buffer extraction restored when framework `extract()` hooks are configured — hooks run in parse workers, extras ride the transport | pretix exact graph parity (32799/73404/165700); n8n Node index RSS 8.26 → 7.41 GiB (−10%) |
 | [#564](https://github.com/bompus/codegraph/pull/564) | `96afc781` | README revision bump + framework fast-path accounting | Documentation only |
 | [#565](https://github.com/bompus/codegraph/pull/565) | `d9bd974c` | Exact/fuzzy name-match pools decline past 256 when the source file is generated or ≥75% of the pool is generated artifacts — never a truncated winner | pretix exact parity held; pathological ~950 ms resolve chunks bounded to ≤250 ms; overall batch wall flat (~19 k spread-out vendored-JS refs) |
-
-What is left on the board after the merges: pretix-Bun index (~+2%, the 0.5 s settle tail plus ~1.4 s of serial post-phases — at the measured optimum of the tuning explored), the pretix and supabase-Bun index-memory cells (the 12 in-process worker heaps that buy the index-time wins), a ~0% gin file-watcher cell inside noise, and the diffuse per-candidate gate cost on vendored JS that keeps pretix's largest resolve batch at ~2.7 s. Everything else in the 9-cell loss list is now a win: pretix-Bun sync (#559), n8n busy-MCP memory (#560) and the gin concurrent-explore wave (#560).
+| [#566](https://github.com/bompus/codegraph/pull/566) | `a403ef5e` | `js_declaration_reachable`'s candidate-side declaration walk memoized by (candidate id, ref language) — the ref-language half of the key is load-bearing because `parsed_tree` selects its parser from the reference language | pretix exact parity; wall flat — the memo check still sat behind ~6 file/tree preamble loads (reordered by #569) |
+| [#567](https://github.com/bompus/codegraph/pull/567) | `330bf232` | README/benchmark doc refresh to `d9bd974c` with the #562–#565 rows | Documentation only |
+| [#568](https://github.com/bompus/codegraph/pull/568) | `0ca7c001` | Explore warm path: `getSizeStats` memoized on the DB change stamp (was a guaranteed `COUNT(*)` + `GROUP BY` per explore call), `getContext`'s per-edge `getNodeById` loops batched through `getNodesByIds`, `findEdgesBetweenNodes` on the statement-shape cache | 40 focused tests green; per-call wins, no corpus-level figure — the items sit under the explore median already measured |
+| [#569](https://github.com/bompus/codegraph/pull/569) | `2d385c6d` | `js_decl_scope_memo` checked before the file/tree preamble loads; `bare` regex one-entry memo per ref loop; `.d.ts` HashSet built lazily | pretix exact parity; settle 4.73 → 4.57 s (−3.5%) |
+| [#570](https://github.com/bompus/codegraph/pull/570) | `e31b8947` | `bare_call_receiver` memoized on a content hash of ref-identifying fields; `is_generated_file`'s ~25 regexes memoized per unique path; both memos cleared at each batch boundary | pretix exact parity; with #571–#572, settle 4.57 → ~3.5 s (−23%; 3.2–3.7 s across two profiled index runs) |
+| [#571](https://github.com/bompus/codegraph/pull/571) | `dfb8866f` | `local_declaration_scope` memo keyed by node id in its own map — drops the `format!` alloc the shared map needed for namespacing | parity 8/8; with #570/#572, settle 4.57 → ~3.5 s |
+| [#572](https://github.com/bompus/codegraph/pull/572) | `645abbb8` | `apply_language_gate` filters in place (`retain`) — drops a `Vec<Arc<KNode>>` alloc per ref | parity 8/8; timing-neutral alloc shave |
+
+What is left on the board after the merges: pretix-Bun index (~+2%, the 0.5 s settle tail plus ~1.4 s of serial post-phases — at the measured optimum of the tuning explored), the pretix and supabase-Bun index-memory cells (the 12 in-process worker heaps that buy the index-time wins), a ~0% gin file-watcher cell inside noise, and the still-diffuse per-candidate gate cost on vendored JS — #569–#572 cut pretix's resolution settle 4.73 → ~3.5 s (−26%, median of two profiled runs) but the residual is spread across many small gates rather than one dominant one. Everything else in the 9-cell loss list is now a win: pretix-Bun sync (#559), n8n busy-MCP memory (#560) and the gin concurrent-explore wave (#560).