build(web): compile source WebEngine with local emsdk

tools/web/record-wbv2-source-build.mjs

@@ -0,0 +1,50 @@
+import assert from "node:assert/strict";
+import crypto from "node:crypto";
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
+const abs = (file) => path.join(root, file);
+const sha = (file) => crypto.createHash("sha256").update(fs.readFileSync(abs(file))).digest("hex");
+const out = "tests/golden/WBV2-P27-002";
+const source = "blender-5.2.0/source/blender/web_engine";
+const buildDir = "build_web_blender6";
+const jsPath = "web/app/src/vendor/blender/web_engine.js";
+const wasmPath = "web/app/src/vendor/blender/web_engine.wasm";
+const logPath = `${out}/source-build.log`;
+assert.ok(fs.existsSync(abs(`${buildDir}/bin/web_engine.js`)));
+assert.ok(fs.existsSync(abs(`${buildDir}/bin/web_engine.wasm`)));
+assert.equal(sha(`${buildDir}/bin/web_engine.js`), sha(jsPath));
+assert.equal(sha(`${buildDir}/bin/web_engine.wasm`), sha(wasmPath));
+const report = {
+  schemaVersion: 1,
+  task: "WBV2-P27-002",
+  operation: "COMPILE_SOURCE_BACKED_WEBENGINE_PREREQUISITE",
+  status: "PASS",
+  implementationPrerequisite: {
+    sourceRoot: "blender-5.2.0",
+    buildDirectory: buildDir,
+    target: "web_engine",
+    cmakeToolchain: ".emsdk/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake",
+    emscriptenVersion: "3.1.69",
+    hostNode: ".emsdk/node/24.19.0_64bit/bin/node",
+    compileCompatibility: ["FMT_CONSTEVAL=", "FMT_USE_CONSTEXPR=0", "FMT_USE_NONTYPE_TEMPLATE_ARGS=0"],
+    exitCode: 0,
+    commandLog: logPath,
+  },
+  artifacts: {
+    sourceApi: { path: `${source}/web_engine_api.cpp`, sha256: sha(`${source}/web_engine_api.cpp`) },
+    sourceMainState: { path: `${source}/web_engine_main_state.cpp`, sha256: sha(`${source}/web_engine_main_state.cpp`) },
+    sourceMainHeader: { path: `${source}/web_engine_main_state.h`, sha256: sha(`${source}/web_engine_main_state.h`) },
+    loader: { path: jsPath, sha256: sha(jsPath) },
+    wasm: { path: wasmPath, sha256: sha(wasmPath) },
+    publicLoader: { path: "web/app/public/vendor/blender/web_engine.js", sha256: sha("web/app/public/vendor/blender/web_engine.js") },
+    publicWasm: { path: "web/app/public/vendor/blender/web_engine.wasm", sha256: sha("web/app/public/vendor/blender/web_engine.wasm") },
+  },
+  verification: { chromium: "DEFERRED", productionReceipts: false, malformedBoundary: false, undoRedo: false, saveReopen: false, deterministicSecondRun: false, completionOverlay: false },
+  inventory: { total: 6900, legacyCompleted: 281, legacyPending: 6618, effectiveCompleted: 290, effectivePending: 6609 },
+};
+fs.writeFileSync(abs(`${out}/source-build-report.json`), `${JSON.stringify(report, null, 2)}\n`);
+fs.writeFileSync(abs("docs/status/WBV2-P27-002.md"), "# WBV2-P27-002 status\n\n- task: `WBV2-P27-002`; parent: `WBV2-P27-001`; status: `in_progress`\n- source prerequisite: `PASS`; Blender 5.2.0 `web_engine` compiled from `blender-5.2.0` with local Emscripten 3.1.69\n- compiled artifacts copied to `web/app/src/vendor/blender/` and `web/app/public/vendor/blender/`\n- build command exit: `0`; log: `tests/golden/WBV2-P27-002/source-build.log`\n- Chromium production receipt, malformed/transaction/persistence/determinism verification: `DEFERRED_BY_IMPLEMENTATION_FIRST_MODE`\n- inventory unchanged: `6900` total, `281` legacy completed, `6618` legacy pending, `290/6609` effective carried forward\n- nextTask remains `WBV2-P27-003` until deferred verification starts\n");
+console.log(`wbv2-source-build-recorded task=WBV2-P27-002 wasm=${sha(wasmPath)} js=${sha(jsPath)} verification=DEFERRED`);