fix: harden workbench smoke dependencies

scripts/dev-artifact-publish.mjs

@@ -365,6 +365,8 @@ function copyHeaders(headers) {
   const result = {};
   for (const [key, value] of Object.entries(headers)) {
     if (value === undefined) continue;
+    if (key.toLowerCase() === "transfer-encoding") continue;
+    if (key.toLowerCase() === "content-length") continue;
     result[key] = value;
   }
   return result;

scripts/src/dev-cloud-workbench-smoke-lib.mjs

@@ -3,7 +3,7 @@ import { execFileSync } from "node:child_process";
 import { createHash } from "node:crypto";
 import http from "node:http";
 import path from "node:path";
-import { fileURLToPath } from "node:url";
+import { fileURLToPath, pathToFileURL } from "node:url";
 
 import { gateSummary } from "../../web/hwlab-cloud-web/gate-summary.mjs";
 import { runtime } from "../../web/hwlab-cloud-web/runtime.mjs";
@@ -172,6 +172,10 @@ const markdownRendererPackages = Object.freeze([
   "commonmark"
 ]);
 
+const playwrightDependencyCommand = "npm install";
+const playwrightDependencySummary =
+  "Install repository dependencies before running browser smokes: npm install provides the declared playwright package; the Code Queue image may also provide the same package globally.";
+
 export function runDevCloudWorkbenchStaticSmoke() {
   return runStaticSmoke();
 }
@@ -194,6 +198,40 @@ export async function runDevCloudWorkbenchSmoke(argv = []) {
   return runStaticSmoke();
 }
 
+async function importPlaywright() {
+  try {
+    return normalizePlaywrightModule(await import("playwright"));
+  } catch (localError) {
+    const globalRoot = npmGlobalRoot();
+    if (globalRoot) {
+      try {
+        return normalizePlaywrightModule(await import(pathToFileURL(path.join(globalRoot, "playwright/index.js")).href));
+      } catch {
+        // Fall through to the original local resolution error so the remediation points at package.json.
+      }
+    }
+    throw localError;
+  }
+}
+
+function normalizePlaywrightModule(module) {
+  if (module?.chromium) return module;
+  if (module?.default?.chromium) return module.default;
+  return module;
+}
+
+function npmGlobalRoot() {
+  try {
+    return execFileSync("npm", ["root", "-g"], {
+      encoding: "utf8",
+      stdio: ["ignore", "pipe", "ignore"],
+      timeout: 5000
+    }).trim();
+  } catch {
+    return "";
+  }
+}
+
 export function parseSmokeArgs(argv) {
   const args = { mode: "static", url: defaultLiveUrl };
   for (let index = 0; index < argv.length; index += 1) {
@@ -1698,7 +1736,7 @@ function liveHtmlLooksLikeWorkbench(html) {
 async function inspectLiveDom(url) {
   let chromium;
   try {
-    ({ chromium } = await import("playwright"));
+    ({ chromium } = await importPlaywright());
   } catch (error) {
     return {
       status: "skip",
@@ -1792,7 +1830,7 @@ async function inspectLiveDom(url) {
 async function inspectLiveHelpRoute(url) {
   let chromium;
   try {
-    ({ chromium } = await import("playwright"));
+    ({ chromium } = await importPlaywright());
   } catch (error) {
     return {
       status: "skip",
@@ -1837,7 +1875,7 @@ async function inspectLiveHelpRoute(url) {
 async function inspectLiveUserJourney(url) {
   let chromium;
   try {
-    ({ chromium } = await import("playwright"));
+    ({ chromium } = await importPlaywright());
   } catch (error) {
     return {
       status: "skip",
@@ -2054,18 +2092,38 @@ async function runLocalAgentFixtureSmoke({
 } = {}) {
   let chromium;
   try {
-    ({ chromium } = await import("playwright"));
+    ({ chromium } = await importPlaywright());
   } catch (error) {
+    const summary = `Local Code Agent browser fixture smoke skipped because Playwright is unavailable: ${error.message}`;
     return {
       status: "skip",
       task: "DC-DCSN-P0-2026-003",
       mode,
       evidenceLevel: "SOURCE",
       devLive: false,
-      summary: `Local Code Agent browser fixture smoke skipped because Playwright is unavailable: ${error.message}`,
-      checks: [],
-      blockers: [],
-      safety: staticSafety()
+      summary,
+      checks: [
+        {
+          id: "local-agent-fixture-browser-dependency",
+          status: "skip",
+          summary: playwrightDependencySummary,
+          evidence: [playwrightDependencyCommand, "package.json dependencies.playwright"]
+        }
+      ],
+      blockers: [
+        {
+          type: "environment_blocker",
+          scope: "local-agent-fixture-browser-dependency",
+          status: "open",
+          summary
+        }
+      ],
+      safety: staticSafety(),
+      dependency: {
+        package: "playwright",
+        declaredIn: "package.json",
+        installCommand: playwrightDependencyCommand
+      }
     };
   }
 
@@ -2240,8 +2298,9 @@ async function runLocalAgentFixtureSmoke({
 export async function runDevCloudWorkbenchMobileSmoke() {
   let chromium;
   try {
-    ({ chromium } = await import("playwright"));
+    ({ chromium } = await importPlaywright());
   } catch (error) {
+    const summary = `Mobile browser smoke skipped because Playwright is unavailable: ${error.message}`;
     return {
       status: "skip",
       task: "DC-DCSN-P0-2026-003",
@@ -2249,10 +2308,29 @@ export async function runDevCloudWorkbenchMobileSmoke() {
       viewport: { width: 390, height: 844 },
       evidenceLevel: "SOURCE",
       devLive: false,
-      summary: `Mobile browser smoke skipped because Playwright is unavailable: ${error.message}`,
-      checks: [],
-      blockers: [],
-      safety: staticSafety()
+      summary,
+      checks: [
+        {
+          id: "mobile-browser-dependency",
+          status: "skip",
+          summary: playwrightDependencySummary,
+          evidence: [playwrightDependencyCommand, "package.json dependencies.playwright"]
+        }
+      ],
+      blockers: [
+        {
+          type: "environment_blocker",
+          scope: "mobile-browser-dependency",
+          status: "open",
+          summary
+        }
+      ],
+      safety: staticSafety(),
+      dependency: {
+        package: "playwright",
+        declaredIn: "package.json",
+        installCommand: playwrightDependencyCommand
+      }
     };
   }