polyengine 0.3.0 (the deltic rename); @polymorph/test 0.2.0

.github/workflows/ci.yml

@@ -37,9 +37,9 @@ jobs:
 
   # The full verification matrix: component builds, all execution
   # paths (host-embed runner, composed wasi:cli runner under wasmtime,
-  # deltic runner under stock Deno + its selftest under plain Node,
+  # polyengine runner under stock Deno + its selftest under plain Node,
   # inventory + results pipeline), lockfile drift checks. No engine
-  # flags: the jco/JSPI lane was deleted in the deltic migration.
+  # flags: the jco/JSPI lane was deleted in the deltic (now polyengine) migration.
   verify:
     runs-on: ubuntu-latest
     timeout-minutes: 25

.github/workflows/pages.yml

@@ -59,18 +59,18 @@ jobs:
         # The tree mirrors the repository layout: the viewer resolves
         # its engines and the demo fixtures by relative path (see
         # js/viewer/README.md), so publishing preserves paths instead
-        # of flattening. Everything is runtime-linked by deltic in the
+        # of flattening. Everything is runtime-linked by polyengine in the
         # page — no transpiled trees, no shim node_modules.
         run: |
           set -euo pipefail
-          mkdir -p _site/js/viewer _site/js/runner-deltic _site/components/fixture-suite _site/examples/aggregate _site/expected
+          mkdir -p _site/js/viewer _site/js/runner-polyengine _site/components/fixture-suite _site/examples/aggregate _site/expected
           cp -r js/viewer/index.html js/viewer/app.mjs js/viewer/viewer.css \
-                js/viewer/harness.mjs js/viewer/context.js js/viewer/deltic.mjs \
+                js/viewer/harness.mjs js/viewer/context.js js/viewer/polyengine.mjs \
                 js/viewer/README.md js/viewer/generated js/viewer/suite \
-                js/viewer/deltic \
+                js/viewer/polyengine \
                 _site/js/viewer/
-          cp js/runner-deltic/browser-worker.mjs js/runner-deltic/engine.mjs \
-                _site/js/runner-deltic/
+          cp js/runner-polyengine/browser-worker.mjs js/runner-polyengine/engine.mjs \
+                _site/js/runner-polyengine/
           cp components/fixture-suite/tests.lock _site/components/fixture-suite/
           cp examples/aggregate/targets.toml _site/examples/aggregate/
           cp expected/verify-pipeline-fixture.jsonl _site/expected/

.gitignore

@@ -10,4 +10,4 @@ node_modules/
 # Viewer build products (transpiles of the wasm engines/suites)
 js/viewer/generated/
 js/viewer/suite/
-js/viewer/deltic/
+js/viewer/polyengine/

AGENTS.md

@@ -68,7 +68,7 @@ components/           guest components (build with --target wasm32-wasip2)
   drift-fixture            broken by design: raw registration, drift check
   zero-gen-fixture         broken by design: zero-row decline generator
   hang-fixture             broken by design: CPU spin + async wedge (#45)
-js/runner-deltic/     deltic runner leg: CLI, browser shard worker, node
+js/runner-polyengine/     polyengine runner leg: CLI, browser shard worker, node
                       selftest (runner-is-provider topology; release-pinned)
 actions/              composite GitHub Actions for consumers (#14):
                       aggregate (matrix -> job summary, findings ->
@@ -98,11 +98,11 @@ with copies; symlinks require `core.symlinks` on Windows.
 
 wasmtime 47 (`-W component-model-async -S p3`), wac-cli 0.10, wit-bindgen
 0.60, Node 24 (plain — the selftest legs; no engine flags anywhere:
-deltic's callback ABI needs no JSPI), deno 2.9 (deltic runner
-leg + browser-asset build; deltic itself is consumed from JSR as exact
-prerelease pins — see `js/runner-deltic/README.md`), Rust
+polyengine's callback ABI needs no JSPI), deno 2.9 (polyengine runner
+leg + browser-asset build; polyengine itself is consumed from JSR as exact
+release pins — see `js/runner-polyengine/README.md`), Rust
 target `wasm32-wasip2`, wasm-tools (WIT validation), just (task
-runner). jco is GONE from this repo (the deltic migration's Phase 4
+runner). jco is GONE from this repo (the deltic (now polyengine) migration's Phase 4
 cutover); its findings in `docs/findings.md` are historical. Known
 sharp edges are catalogued in `docs/findings.md` — read
 it before fighting the toolchain; your bug is probably finding #5, #6,
@@ -152,17 +152,18 @@ them before committing anything cross-cutting):
 2. **Composed runner** (see `examples/compose/README.md`): bundle via
    `wac compose`, plug via `wac plug`, run under `wasmtime run -W
    component-model-async -S p3`. Same sample-suite verdicts.
-3. **deltic runner + browser leg** (see `js/runner-deltic/README.md`):
-   drive the suite directly under deltic — no transpile step, no engine
-   flag; JSR-pinned in `js/runner-deltic/deno.json` + `deno.lock`. Same
+3. **polyengine runner + browser leg** (see `js/runner-polyengine/README.md`):
+   drive the suite directly under polyengine — no transpile step, no engine
+   flag; JSR-pinned in `js/runner-polyengine/deno.json` + `deno.lock`. Same
    sample verdicts (shared human + fold goldens); tag scheduling from the
    suite's own embedded inventory (fixture leg runs `--missing hsm` like
-   Paths 1/4, lane goldens in `expected/verify-deltic-*`). The browser
+   Paths 1/4, lane goldens in `expected/verify-polyengine-*`). The browser
    worker (`browser-worker.mjs`, drop-in for `page-runner.mjs` via
    `workerUrl`) shares `harness.mjs`'s case loop; `selftest.mjs` gates
-   that engine path under plain node as `verify-deltic`'s last leg. (The
+   that engine path under plain node as `verify-polyengine`'s last leg. (The
    jco-node runner that used to be this path was deleted in the deltic
-   migration's Phase 4; `js/viewer/browser-worker.mjs` remains as
+   (now polyengine) migration's Phase 4; `js/viewer/browser-worker.mjs`
+   remains as
    consumer-facing glue for transpiled-module layouts.)
 4. **Inventory + results pipeline**:
    ```sh

README.md

@@ -21,7 +21,7 @@ together is described in [ARCHITECTURE.md](ARCHITECTURE.md). Layout:
 [`crates/`](crates/) (host-side Rust: core model, formats, results
 schema, guest SDK, CLI, host-embed runner), [`components/`](components/)
 (guest components: reference provider, composed CLI runner core, sample
-and fixture suites), [`js/`](js/) (deltic runner leg + browser harness),
+and fixture suites), [`js/`](js/) (polyengine runner leg + browser harness),
 [`examples/compose/`](examples/compose/) (composition walkthrough),
 [`examples/aggregate/`](examples/aggregate/) (cross-target aggregation
 walkthrough), [`docs/findings.md`](docs/findings.md) (toolchain
@@ -264,7 +264,7 @@ WPT, `go test`, LLVM lit) is tracked in the issues.
   decline cases).
 - The reference `test-context` provider component.
 - Runners: `wasi:cli`, `wasi:http` (served UI + remote API), in-browser via
-  deltic (runtime-linked), native embedding with a libtest-mimic frontend.
+  polyengine (runtime-linked), native embedding with a libtest-mimic frontend.
 - Semver-compatible-linking verification for the `test-context` growth path;
   custom-section survival through composition tooling.
 - Inventory lockfiles (names + tags) and the update workflow, including

docs/findings.md

@@ -137,9 +137,10 @@ N trivially-passing cases, no corpus, no per-case data
 (`components/bench-suite`, count via `BENCH_CASES` env). Drivers:
 `bench-mint` bin (wasmtime, production `Runner` config: pooling, CoW,
 epoch instrumentation, untyped `Val` calls) and
-`js/runner-deltic/bench-mint.mjs` (pinned deltic embedder, plain
+`js/runner-polyengine/bench-mint.mjs` (pinned polyengine embedder, plain
 Node). Medians over 20/10 fresh instances, one dev box (17-core
-x86_64 Linux), wasmtime 47.0.3 / deltic pre-83fff30 / Node 24.
+x86_64 Linux), wasmtime 47.0.3 / deltic pre-83fff30 (the engine's
+pre-rename name; now polyengine) / Node 24.
 
 19. **wasmtime: `all()` splits ~3:1 registry-build : mint+lift, both
     linear.** At 10k cases: all#1 (build + mint + lift) 3.2ms, all#2
@@ -154,7 +155,7 @@ x86_64 Linux), wasmtime 47.0.3 / deltic pre-83fff30 / Node 24.
     wizer) buys more than lift avoidance alone; a direct-access
     interface caps out at ~25% unless stacked on a lazy/static
     registry.
-20. **deltic (runtime linker, callback ABI): same shape, bigger
+20. **polyengine (runtime linker, callback ABI): same shape, bigger
     constants.** Instantiate ~650µs (~30× wasmtime); mint+lift
     ~340–370ns/handle (~4.3×; mildly superlinear by 30k — V8 GC on
     the wrapper objects); per-call boundary overhead ~25µs (~10×);
@@ -165,7 +166,7 @@ x86_64 Linux), wasmtime 47.0.3 / deltic pre-83fff30 / Node 24.
 21. **`harness.mjs` fresh-instance relocation was the real JS-leg
     quadratic** (fixed — positional relocation, PR #83): `freshCases`
     re-found each case by a linear `name()` scan. Hot-loop `name()`
-    costs ~3.4µs under deltic (a cold single call measures ~26µs —
+    costs ~3.4µs under polyengine (a cold single call measures ~26µs —
     promise/JIT overhead that amortizes), so the scan averaged ~N/2 ×
     3.4µs ≈ **17ms per case** at 10k (33ms worst, measured), a
     multiple of the `all()` re-enumeration it followed and O(N²)
@@ -223,7 +224,7 @@ bench-suite artifact built with its `wizer-init` feature.
     full-isolation run: 30.8s → 7.1s sequential (4.3×), **1.14s at
     jobs=8** — per-case isolation on a wizened suite undercuts the
     shared-instance numbers that motivated relaxing isolation in #22.
-24. **deltic, wizened suite: net ~1.5× only.** all#1 6.9ms → 2.9ms,
+24. **polyengine, wizened suite: net ~1.5× only.** all#1 6.9ms → 2.9ms,
     but instantiate 0.78ms → 2.17ms: V8 has no CoW memory images, so
     the 1.29MB active data segment is copied at every instantiation,
     eating most of the build win (translate also 24ms → 44ms,

docs/runner-policy.md

@@ -92,7 +92,7 @@ the wizened artifact (finding 22).
 
 When it does *not* pay:
 
-- **JS legs (deltic, browser): net ~1.5× at best.** V8 has no
+- **JS legs (polyengine, browser): net ~1.5× at best.** V8 has no
   copy-on-write memory images, so the 1.29 MB active data segment is
   copied at every instantiation (0.78 ms → 2.17 ms), eating most of
   the enumeration win (finding 24). Instance granularity K>1 remains

expected/verify-deltic-fixture.jsonl → expected/verify-polyengine-fixture.jsonl

@@ -1,4 +1,4 @@
-{"component-test-results":"0.1","target":"deltic/deno","suite":{"name":"fixture_suite","artifact-sha256":"<sha256>"},"run":{"segment":0,"scheduling":"tags"}}
+{"component-test-results":"0.1","target":"polyengine/deno","suite":{"name":"fixture_suite","artifact-sha256":"<sha256>"},"run":{"segment":0,"scheduling":"tags"}}
 {"case":"fixture/trap/before","status":"pass","provenance":"returned","diagnostics-complete":true,"diagnostics":["before the storm"]}
 {"case":"fixture/trap/boom","status":"fail","provenance":"trap","detail":"trap: guest trapped: unreachable","diagnostics-complete":false,"diagnostics":["about to trap"]}
 {"case":"fixture/trap/after","status":"pass","provenance":"returned","diagnostics-complete":true,"diagnostics":["still alive in a fresh instance"]}

expected/verify-deltic-sample.jsonl → expected/verify-polyengine-sample.jsonl

@@ -1,4 +1,4 @@
-{"component-test-results":"0.1","target":"deltic/deno","suite":{"name":"sample_suite","artifact-sha256":"<sha256>"},"run":{"segment":0,"scheduling":"tags"}}
+{"component-test-results":"0.1","target":"polyengine/deno","suite":{"name":"sample_suite","artifact-sha256":"<sha256>"},"run":{"segment":0,"scheduling":"tags"}}
 {"case":"sample/math/add","status":"pass","provenance":"returned","diagnostics-complete":true,"diagnostics":["computing 2 + 2","got 4"]}
 {"case":"sample/math/mul","status":"fail","provenance":"returned","detail":"6 * 9: expected 42, got 54","diagnostics-complete":true,"diagnostics":["computing 6 * 9","got 54, expecting the ultimate answer"]}
 {"case":"sample/token/attest","status":"skipped","provenance":"returned","detail":"token unavailable at run time; asserted attestation fails cleanly (no hang, no partial attestation)","diagnostics-complete":true,"diagnostics":["probing for hardware token","token unavailable; asserting clean error"]}

js/deno.json

@@ -1,8 +1,8 @@
 {
   "name": "@polymorph/test",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "license": "Apache-2.0",
-  "//": "The polymorph:test stack's JS runner core on JSR — the one consumable JS surface (the repo-root npm-git facade is retired; this export map is the only one). Plain JS with relative and node: imports only; the browser-safe pieces (harness, context, imports, the workers) load in browsers unchanged, and the node: importers (node-runner, browser-driver) are Node/Deno-side drivers. The publish include-list IS the package: everything else under js/ is repo tooling (the deltic runner leg, selftests, the viewer app).",
+  "//": "The polymorph:test stack's JS runner core on JSR — the one consumable JS surface (the repo-root npm-git facade is retired; this export map is the only one). Plain JS with relative and node: imports only; the browser-safe pieces (harness, context, imports, the workers) load in browsers unchanged, and the node: importers (node-runner, browser-driver) are Node/Deno-side drivers. The publish include-list IS the package: everything else under js/ is repo tooling (the polyengine runner leg, selftests, the viewer app).",
   "exports": {
     "./harness": "./viewer/harness.mjs",
     "./context": "./viewer/context.js",
@@ -11,9 +11,9 @@
     "./page-runner": "./viewer/page-runner.mjs",
     "./node-runner": "./node-runner.mjs",
     "./browser-driver": "./browser-driver.mjs",
-    "./deltic-worker": "./runner-deltic/browser-worker.mjs",
-    "./deltic-engine": "./runner-deltic/engine.mjs",
-    "./deltic-worker-main": "./runner-deltic/worker-main.mjs"
+    "./polyengine-worker": "./runner-polyengine/browser-worker.mjs",
+    "./polyengine-engine": "./runner-polyengine/engine.mjs",
+    "./polyengine-worker-main": "./runner-polyengine/worker-main.mjs"
   },
   "publish": {
     "include": [
@@ -25,9 +25,9 @@
       "viewer/page-runner.mjs",
       "node-runner.mjs",
       "browser-driver.mjs",
-      "runner-deltic/worker-main.mjs",
-      "runner-deltic/browser-worker.mjs",
-      "runner-deltic/engine.mjs"
+      "runner-polyengine/worker-main.mjs",
+      "runner-polyengine/browser-worker.mjs",
+      "runner-polyengine/engine.mjs"
     ]
   }
 }