Improve GLB manager lighting for metallic models

scripts/test_machine_manager_mill700_browser.mjs

@@ -0,0 +1,34 @@
+import assert from "node:assert/strict";
+import { mkdir, readFile, writeFile } from "node:fs/promises";
+import { createHash } from "node:crypto";
+import { pathToFileURL } from "node:url";
+
+const modulePath = process.env.PLAYWRIGHT_MODULE;
+if (!modulePath) { console.log(JSON.stringify({ schema: "machine-manager-mill700-browser.v1", status: "blocked", code: "playwright_unavailable" })); process.exit(0); }
+const root = new URL("../", import.meta.url);
+const modelPath = process.env.MILL700_GLB ?? new URL("MILL700-U_1.glb", root).pathname;
+const model = await readFile(modelPath); const sha256 = createHash("sha256").update(model).digest("hex");
+let offset = 12, json = null;
+while (offset < model.length) { const length = model.readUInt32LE(offset), type = model.readUInt32LE(offset + 4); if (type === 0x4e4f534a) json = JSON.parse(model.toString("utf8", offset + 8, offset + 8 + length)); offset += 8 + length; }
+assert.ok(json); const parents = new Map(); json.nodes.forEach((node, index) => (node.children ?? []).forEach((child) => parents.set(child, index)));
+const depth = (index) => parents.has(index) ? 1 + depth(parents.get(index)) : 0;
+const hierarchy = { root: json.nodes[json.scenes[json.scene ?? 0].nodes[0]].name, nodes: json.nodes.length, meshes: json.meshes.length, maxDepth: Math.max(...json.nodes.map((_, index) => depth(index))), materials: json.materials.length, metallic: json.materials.filter((material) => Number(material.pbrMetallicRoughness?.metallicFactor ?? 1) >= .9).length };
+const output = new URL("../coverage/glb-machine-manager/mill700/", import.meta.url); await mkdir(output, { recursive: true });
+const imported = await import(pathToFileURL(modulePath).href); const playwright = imported.default ?? imported;
+const browser = await playwright.chromium.launch({ headless: true, executablePath: process.env.BROWSER_EXECUTABLE_PATH ?? "/usr/bin/google-chrome", args: ["--no-sandbox", "--use-angle=swiftshader", "--enable-unsafe-swiftshader"] });
+const page = await browser.newPage({ viewport: { width: 1600, height: 1050 } }); const errors = [];
+page.on("pageerror", (error) => errors.push(`pageerror:${error.message}`)); page.on("console", (message) => { if (message.type() === "error") errors.push(`console:${message.text()}`); });
+const control = (id) => page.locator(`[data-axis-control="${id}"]`);
+const report = { schema: "machine-manager-mill700-browser.v1", report_id: "GLB-MGR-E05", status: "running", model: { path: modelPath, bytes: model.length, sha256 }, checks: [] };
+try {
+  await page.goto(process.env.MACHINE_MANAGER_URL ?? "http://127.0.0.1:5174/", { waitUntil: "domcontentloaded", timeout: 30000 });
+  await page.waitForFunction(() => document.querySelector("main.axis-app")?.dataset.axisProgramLoading === "false" && document.querySelector("main.axis-app")?.dataset.axisStateSource === "linuxcnc-wasm", null, { timeout: 45000 });
+  await control("machine-manager-settings").click(); await control("machine-manager-files").setInputFiles({ name: "MILL700-U_1.glb", mimeType: "model/gltf-binary", buffer: model });
+  await page.waitForFunction(() => document.querySelector("[data-machine-manager-preview]")?.dataset.machineManagerPartCount === "1" && document.querySelector(".machine-part-list small")?.textContent === "MILL700-U_1.glb", null, { timeout: 60000 });
+  assert.equal(hierarchy.root, "MILL700-U_1"); assert.equal(hierarchy.nodes, 132); assert.equal(hierarchy.meshes, 126); assert.ok(hierarchy.maxDepth >= 6); assert.ok(hierarchy.metallic > 20);
+  report.hierarchy = hierarchy; report.checks.push("existing 132-node, depth-6 hierarchy preserved");
+  assert.equal(await page.locator("[data-machine-manager-preview]").getAttribute("data-machine-manager-lighting"), "studio-pmrem");
+  await page.locator(".machine-manager-dialog").screenshot({ path: new URL("mill700-studio-lighting.png", output).pathname }); report.checks.push("metallic MILL700 surfaces rendered with studio PMREM lighting; screenshot captured for visual review"); assert.deepEqual(errors, []); report.status = "verified";
+} catch (error) { report.status = "failed"; report.error = error instanceof Error ? error.stack : String(error); await page.screenshot({ path: new URL("failure.png", output).pathname, fullPage: true }); throw error; }
+finally { report.browser_errors = errors; await writeFile(new URL("browser.report.json", output), JSON.stringify(report, null, 2) + "\n"); await browser.close(); }
+console.log(JSON.stringify(report));