diff --git a/packages/brow-2-brow/package.json b/packages/brow-2-brow/package.json
index c05e3723b..6a0e4c1a5 100644
--- a/packages/brow-2-brow/package.json
+++ b/packages/brow-2-brow/package.json
@@ -13,7 +13,7 @@
     "build:dev": "mkdir -p dist && ln -fs ../src/index.html dist/index.html",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/brow-2-brow",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 93ba4196a..6980b30e2 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -18,7 +18,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/cli",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/create-package/package.json b/packages/create-package/package.json
index 7b5a354ad..7a8e89708 100644
--- a/packages/create-package/package.json
+++ b/packages/create-package/package.json
@@ -31,7 +31,7 @@
   "scripts": {
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/create-package",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/extension/package.json b/packages/extension/package.json
index cd58e78c4..5c0932696 100644
--- a/packages/extension/package.json
+++ b/packages/extension/package.json
@@ -21,7 +21,7 @@
     "build:browser": "OPEN_BROWSER=true yarn build:dev --watch",
     "build:vite": "vite build --configLoader runner --config vite.config.ts",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/extension",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
@@ -63,7 +63,7 @@
     "@ocap/cli": "workspace:^",
     "@ocap/kernel-test": "workspace:^",
     "@ocap/repo-tools": "workspace:^",
-    "@playwright/test": "^1.54.2",
+    "@playwright/test": "^1.57.0",
     "@testing-library/jest-dom": "^6.6.3",
     "@types/chrome": "^0.0.313",
     "@types/react": "^17.0.11",
@@ -83,7 +83,7 @@
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-promise": "^7.2.1",
     "jsdom": "^27.4.0",
-    "playwright": "^1.54.2",
+    "playwright": "^1.57.0",
     "prettier": "^3.5.3",
     "rimraf": "^6.0.1",
     "tsx": "^4.20.6",
diff --git a/packages/extension/src/background.ts b/packages/extension/src/background.ts
index 967103779..9fafe2f24 100644
--- a/packages/extension/src/background.ts
+++ b/packages/extension/src/background.ts
@@ -4,6 +4,8 @@ import {
   makeCapTPNotification,
   isCapTPNotification,
   getCapTPMessage,
+  isConsoleForwardMessage,
+  handleConsoleForwardMessage,
 } from '@metamask/kernel-browser-runtime';
 import type {
   KernelFacade,
@@ -115,9 +117,11 @@ async function main(): Promise<void> {
     logger.info(result);
   };
 
-  // Handle incoming CapTP messages from the kernel
+  // Handle incoming messages from offscreen (CapTP and console-forward)
   const drainPromise = offscreenStream.drain((message) => {
-    if (isCapTPNotification(message)) {
+    if (isConsoleForwardMessage(message)) {
+      handleConsoleForwardMessage(message, '[offscreen]');
+    } else if (isCapTPNotification(message)) {
       const captpMessage = getCapTPMessage(message);
       backgroundCapTP.dispatch(captpMessage);
     } else {
diff --git a/packages/extension/src/offscreen.ts b/packages/extension/src/offscreen.ts
index c09ec2772..aa11ac189 100644
--- a/packages/extension/src/offscreen.ts
+++ b/packages/extension/src/offscreen.ts
@@ -2,6 +2,7 @@ import {
   makeIframeVatWorker,
   PlatformServicesServer,
   createRelayQueryString,
+  setupConsoleForwarding,
 } from '@metamask/kernel-browser-runtime';
 import { delay, isJsonRpcMessage } from '@metamask/kernel-utils';
 import type { JsonRpcMessage } from '@metamask/kernel-utils';
@@ -31,6 +32,9 @@ async function main(): Promise<void> {
     JsonRpcMessage
   >(chrome.runtime, 'offscreen', 'background', isJsonRpcMessage);
 
+  // Set up console forwarding to background for Playwright capture
+  setupConsoleForwarding(backgroundStream);
+
   const kernelStream = await makeKernelWorker();
 
   // Handle messages from the background script / kernel
diff --git a/packages/kernel-agents-repl/package.json b/packages/kernel-agents-repl/package.json
index 7e3551baf..68d7b6fe8 100644
--- a/packages/kernel-agents-repl/package.json
+++ b/packages/kernel-agents-repl/package.json
@@ -32,7 +32,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/kernel-agents-repl",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-agents/package.json b/packages/kernel-agents/package.json
index 05e84a383..2a4b857e8 100644
--- a/packages/kernel-agents/package.json
+++ b/packages/kernel-agents/package.json
@@ -132,7 +132,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/kernel-agents",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-browser-runtime/package.json b/packages/kernel-browser-runtime/package.json
index 5ea33b466..9cc2c7480 100644
--- a/packages/kernel-browser-runtime/package.json
+++ b/packages/kernel-browser-runtime/package.json
@@ -48,7 +48,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-browser-runtime",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-browser-runtime",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-browser-runtime/src/index.test.ts b/packages/kernel-browser-runtime/src/index.test.ts
index f52b98667..0a4415bdc 100644
--- a/packages/kernel-browser-runtime/src/index.test.ts
+++ b/packages/kernel-browser-runtime/src/index.test.ts
@@ -11,7 +11,9 @@ describe('index', () => {
       'createRelayQueryString',
       'getCapTPMessage',
       'getRelaysFromCurrentLocation',
+      'handleConsoleForwardMessage',
       'isCapTPNotification',
+      'isConsoleForwardMessage',
       'makeBackgroundCapTP',
       'makeCapTPNotification',
       'makeIframeVatWorker',
@@ -19,6 +21,7 @@ describe('index', () => {
       'receiveInternalConnections',
       'rpcHandlers',
       'rpcMethodSpecs',
+      'setupConsoleForwarding',
     ]);
   });
 });
diff --git a/packages/kernel-browser-runtime/src/utils/console-forwarding.ts b/packages/kernel-browser-runtime/src/utils/console-forwarding.ts
new file mode 100644
index 000000000..8df0d4be4
--- /dev/null
+++ b/packages/kernel-browser-runtime/src/utils/console-forwarding.ts
@@ -0,0 +1,94 @@
+import type { JsonRpcMessage } from '@metamask/kernel-utils';
+import type { DuplexStream } from '@metamask/streams';
+import type { JsonRpcNotification } from '@metamask/utils';
+
+/**
+ * Message type for forwarding console output from one context to another.
+ * Used to capture console logs from offscreen documents in Playwright tests.
+ */
+export type ConsoleForwardMessage = JsonRpcNotification & {
+  method: 'console-forward';
+  params: {
+    method: 'log' | 'debug' | 'info' | 'warn' | 'error';
+    args: string[];
+  };
+};
+
+/**
+ * Type guard for console-forward messages.
+ *
+ * @param value - The value to check.
+ * @returns Whether the value is a ConsoleForwardMessage.
+ */
+export const isConsoleForwardMessage = (
+  value: unknown,
+): value is ConsoleForwardMessage =>
+  typeof value === 'object' &&
+  value !== null &&
+  'method' in value &&
+  (value as { method: unknown }).method === 'console-forward';
+
+/**
+ * Wraps console methods to forward messages to background via a stream.
+ * This enables capturing console output from contexts that Playwright cannot
+ * directly access (like offscreen documents).
+ *
+ * Call this early after the stream is created. After setup, console output
+ * will be forwarded to the stream recipient where it can be replayed.
+ *
+ * @param stream - The stream to write console messages to.
+ */
+export function setupConsoleForwarding(
+  stream: DuplexStream<JsonRpcMessage, JsonRpcMessage>,
+): void {
+  const originalConsole = { ...console };
+  const consoleMethods = ['log', 'debug', 'info', 'warn', 'error'] as const;
+
+  consoleMethods.forEach((consoleMethod) => {
+    // eslint-disable-next-line no-console
+    console[consoleMethod] = (...args: unknown[]) => {
+      // Call original console method
+      originalConsole[consoleMethod](...args);
+
+      // Forward to background via stream
+      const message: ConsoleForwardMessage = {
+        jsonrpc: '2.0',
+        method: 'console-forward',
+        params: {
+          method: consoleMethod,
+          args: args.map((arg) => {
+            if (typeof arg === 'string') {
+              return arg;
+            }
+            if (typeof arg === 'number' || typeof arg === 'boolean') {
+              return String(arg);
+            }
+            // Objects, arrays, null, undefined, functions, symbols, etc.
+            return JSON.stringify(arg);
+          }),
+        },
+      };
+      stream.write(message).catch(() => {
+        // Ignore errors if stream isn't ready
+      });
+    };
+  });
+
+  harden(globalThis.console);
+}
+
+/**
+ * Handles a console-forward message by replaying it to the local console.
+ * Use this in the stream handler to replay forwarded console output.
+ *
+ * @param message - The console-forward message to handle.
+ * @param prefix - Optional prefix to add to the message (e.g., '[offscreen]').
+ */
+export function handleConsoleForwardMessage(
+  message: ConsoleForwardMessage,
+  prefix?: string,
+): void {
+  const { method, args } = message.params;
+  // eslint-disable-next-line no-console
+  console[method](...(prefix ? [prefix, ...args] : args));
+}
diff --git a/packages/kernel-browser-runtime/src/utils/index.test.ts b/packages/kernel-browser-runtime/src/utils/index.test.ts
index 1defa9bf6..9d50bd8d2 100644
--- a/packages/kernel-browser-runtime/src/utils/index.test.ts
+++ b/packages/kernel-browser-runtime/src/utils/index.test.ts
@@ -7,7 +7,10 @@ describe('index', () => {
     expect(Object.keys(indexModule).sort()).toStrictEqual([
       'createRelayQueryString',
       'getRelaysFromCurrentLocation',
+      'handleConsoleForwardMessage',
+      'isConsoleForwardMessage',
       'parseRelayQueryString',
+      'setupConsoleForwarding',
     ]);
   });
 });
diff --git a/packages/kernel-browser-runtime/src/utils/index.ts b/packages/kernel-browser-runtime/src/utils/index.ts
index c77e8b124..4e189403c 100644
--- a/packages/kernel-browser-runtime/src/utils/index.ts
+++ b/packages/kernel-browser-runtime/src/utils/index.ts
@@ -1 +1,2 @@
+export * from './console-forwarding.ts';
 export * from './relay-query-string.ts';
diff --git a/packages/kernel-errors/package.json b/packages/kernel-errors/package.json
index 32e836fa5..0569bac81 100644
--- a/packages/kernel-errors/package.json
+++ b/packages/kernel-errors/package.json
@@ -42,7 +42,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-errors",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-errors",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-language-model-service/package.json b/packages/kernel-language-model-service/package.json
index cf1f66ed6..ecf260897 100644
--- a/packages/kernel-language-model-service/package.json
+++ b/packages/kernel-language-model-service/package.json
@@ -52,7 +52,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/kernel-language-model-service",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-platforms/package.json b/packages/kernel-platforms/package.json
index d6ac09791..dee5d1571 100644
--- a/packages/kernel-platforms/package.json
+++ b/packages/kernel-platforms/package.json
@@ -52,7 +52,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/kernel-platforms",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-rpc-methods/package.json b/packages/kernel-rpc-methods/package.json
index aff89af64..179af4746 100644
--- a/packages/kernel-rpc-methods/package.json
+++ b/packages/kernel-rpc-methods/package.json
@@ -42,7 +42,7 @@
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-rpc-methods",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-rpc-methods",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-shims/package.json b/packages/kernel-shims/package.json
index eed7d3e65..728d34836 100644
--- a/packages/kernel-shims/package.json
+++ b/packages/kernel-shims/package.json
@@ -34,7 +34,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-shims",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-shims",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-store/package.json b/packages/kernel-store/package.json
index cca4438be..ca457f833 100644
--- a/packages/kernel-store/package.json
+++ b/packages/kernel-store/package.json
@@ -63,7 +63,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-store",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-store",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-test-local/package.json b/packages/kernel-test-local/package.json
index 45e21eea0..ff6e9c617 100644
--- a/packages/kernel-test-local/package.json
+++ b/packages/kernel-test-local/package.json
@@ -13,7 +13,7 @@
   },
   "type": "module",
   "scripts": {
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-test/package.json b/packages/kernel-test/package.json
index c4acfa7e2..2e38acea4 100644
--- a/packages/kernel-test/package.json
+++ b/packages/kernel-test/package.json
@@ -31,7 +31,7 @@
   ],
   "scripts": {
     "build": "ocap bundle src/vats",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo './src/**/*.bundle'",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo './src/**/*.bundle' ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-ui/package.json b/packages/kernel-ui/package.json
index 88abd5192..33eea5a7b 100644
--- a/packages/kernel-ui/package.json
+++ b/packages/kernel-ui/package.json
@@ -45,7 +45,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-ui",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-ui",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/kernel-utils/package.json b/packages/kernel-utils/package.json
index 37813fea5..fed41a03b 100644
--- a/packages/kernel-utils/package.json
+++ b/packages/kernel-utils/package.json
@@ -62,7 +62,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/kernel-utils",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/kernel-utils",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/logger/package.json b/packages/logger/package.json
index 2ab934ffc..acf2d6802 100644
--- a/packages/logger/package.json
+++ b/packages/logger/package.json
@@ -42,7 +42,7 @@
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/logger",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/logger",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/nodejs-test-workers/package.json b/packages/nodejs-test-workers/package.json
index 5f6c0d67d..891ca82c3 100644
--- a/packages/nodejs-test-workers/package.json
+++ b/packages/nodejs-test-workers/package.json
@@ -32,7 +32,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/nodejs-test-workers",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/nodejs/package.json b/packages/nodejs/package.json
index c095d65cb..6238d4ade 100644
--- a/packages/nodejs/package.json
+++ b/packages/nodejs/package.json
@@ -34,7 +34,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/nodejs",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/ocap-kernel/package.json b/packages/ocap-kernel/package.json
index 10f251a7b..e60c78672 100644
--- a/packages/ocap-kernel/package.json
+++ b/packages/ocap-kernel/package.json
@@ -53,7 +53,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/ocap-kernel",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/ocap-kernel",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/omnium-gatherum/package.json b/packages/omnium-gatherum/package.json
index 9b33af1dd..c40d8ea88 100644
--- a/packages/omnium-gatherum/package.json
+++ b/packages/omnium-gatherum/package.json
@@ -22,7 +22,7 @@
     "build:browser": "OPEN_BROWSER=true yarn build:dev --watch",
     "build:vite": "vite build --configLoader runner --config vite.config.ts",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/omnium-gatherum",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
@@ -63,7 +63,7 @@
     "@metamask/eslint-config-typescript": "^15.0.0",
     "@ocap/cli": "workspace:^",
     "@ocap/repo-tools": "workspace:^",
-    "@playwright/test": "^1.54.2",
+    "@playwright/test": "^1.57.0",
     "@testing-library/jest-dom": "^6.6.3",
     "@testing-library/react": "^12.1.5",
     "@types/chrome": "^0.0.313",
@@ -85,7 +85,7 @@
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-promise": "^7.2.1",
     "jsdom": "^27.4.0",
-    "playwright": "^1.54.2",
+    "playwright": "^1.57.0",
     "prettier": "^3.5.3",
     "rimraf": "^6.0.1",
     "tsx": "^4.20.6",
diff --git a/packages/remote-iterables/package.json b/packages/remote-iterables/package.json
index 0ccadfde7..4ae85fc59 100644
--- a/packages/remote-iterables/package.json
+++ b/packages/remote-iterables/package.json
@@ -32,7 +32,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/remote-iterables",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/packages/repo-tools/package.json b/packages/repo-tools/package.json
index 1a217dfa6..f0ba1be36 100644
--- a/packages/repo-tools/package.json
+++ b/packages/repo-tools/package.json
@@ -28,7 +28,7 @@
     "dist/"
   ],
   "scripts": {
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
@@ -46,7 +46,7 @@
     "@metamask/eslint-config-nodejs": "^15.0.0",
     "@metamask/eslint-config-typescript": "^15.0.0",
     "@metamask/superstruct": "^3.2.1",
-    "@playwright/test": "^1.54.2",
+    "@playwright/test": "^1.57.0",
     "@typescript-eslint/eslint-plugin": "^8.29.0",
     "@typescript-eslint/parser": "^8.29.0",
     "@typescript-eslint/utils": "^8.29.0",
diff --git a/packages/repo-tools/src/test-utils/extension.ts b/packages/repo-tools/src/test-utils/extension.ts
index 065107f52..380ec767e 100644
--- a/packages/repo-tools/src/test-utils/extension.ts
+++ b/packages/repo-tools/src/test-utils/extension.ts
@@ -1,11 +1,20 @@
-import { chromium } from '@playwright/test';
-import type { BrowserContext, Page } from '@playwright/test';
+import { chromium, test } from '@playwright/test';
+import type { BrowserContext, ConsoleMessage, Page } from '@playwright/test';
+import { appendFileSync } from 'node:fs';
+import { mkdir } from 'node:fs/promises';
 import { rm } from 'node:fs/promises';
 import os from 'node:os';
 import path from 'node:path';
 
 export const sessionPath = path.resolve(os.tmpdir(), 'ocap-test');
 
+// Run ID is generated once per Playwright invocation (per worker process)
+// This allows associating all test log files from the same run
+const runId = new Date()
+  .toISOString()
+  .slice(0, -5) // Remove ".123Z"
+  .replace(/[:.]/gu, '-'); // Make filename-safe
+
 type Options = {
   contextId?: string | undefined;
   extensionPath: string;
@@ -21,7 +30,7 @@ type Options = {
  * @param options.extensionPath - The path to the extension dist folder.
  * @param options.onPageLoad - Optional callback to run after the extension is loaded. Useful for
  * e.g. waiting for components to be visible before proceeding with a test.
- * @returns The extension context, extension ID, and popup page
+ * @returns The extension context, extension ID, popup page, and log file path
  */
 export const makeLoadExtension = async ({
   contextId,
@@ -31,6 +40,7 @@ export const makeLoadExtension = async ({
   browserContext: BrowserContext;
   extensionId: string;
   popupPage: Page;
+  logFilePath: string;
 }> => {
   const workerIndex = process.env.TEST_WORKER_INDEX ?? '0';
   // Use provided contextId or fall back to workerIndex for separate user data dirs
@@ -38,6 +48,33 @@ export const makeLoadExtension = async ({
   const userDataDir = path.join(sessionPath, effectiveContextId);
   await rm(userDataDir, { recursive: true, force: true });
 
+  // Set up log file for capturing console output from extension contexts
+  const packageRoot = path.dirname(extensionPath); // extensionPath is <package>/dist
+  const logsDir = path.join(packageRoot, 'logs');
+  await mkdir(logsDir, { recursive: true });
+  const testTitle = test
+    .info()
+    .titlePath.join('-')
+    .replace(/[^a-zA-Z0-9-]/gu, '_'); // Make filename-safe
+  const logFilePath = path.join(logsDir, `${runId}-${testTitle}.log`);
+
+  // Attach log file path to test results (viewable in Playwright HTML report)
+  await test.info().attach('console-logs', {
+    body: logFilePath,
+    contentType: 'text/plain',
+  });
+
+  const writeLog = (source: string, consoleMessage: ConsoleMessage): void => {
+    const logTimestamp = new Date().toISOString().slice(0, -5);
+    const text = consoleMessage.text();
+    const type = consoleMessage.type();
+    // eslint-disable-next-line n/no-sync
+    appendFileSync(
+      logFilePath,
+      `[${logTimestamp}] [${source}] [${type}] ${text}\n`,
+    );
+  };
+
   const browserArgs = [
     `--disable-features=ExtensionDisableUnsupportedDeveloper`,
     `--disable-extensions-except=${extensionPath}`,
@@ -56,6 +93,23 @@ export const makeLoadExtension = async ({
     args: browserArgs,
   });
 
+  // Capture background service worker console logs
+  browserContext.on('serviceworker', (worker) => {
+    worker.on('console', (consoleMessage) =>
+      writeLog('background', consoleMessage),
+    );
+  });
+
+  // Capture console logs from extension pages (offscreen document, etc.)
+  // Note: Pages may start at about:blank, so we attach the listener and check URL in the handler
+  browserContext.on('page', (page) => {
+    page.on('console', (consoleMessage) => {
+      if (page.url().includes('offscreen.html')) {
+        writeLog('offscreen', consoleMessage);
+      }
+    });
+  });
+
   // Wait for the extension to be loaded
   await new Promise((resolve) => setTimeout(resolve, 1000));
 
@@ -70,8 +124,11 @@ export const makeLoadExtension = async ({
   }
 
   const popupPage = await browserContext.newPage();
+  popupPage.on('console', (consoleMessage) =>
+    writeLog('popup', consoleMessage),
+  );
   await popupPage.goto(`chrome-extension://${extensionId}/popup.html`);
   await onPageLoad(popupPage);
 
-  return { browserContext, extensionId, popupPage };
+  return { browserContext, extensionId, popupPage, logFilePath };
 };
diff --git a/packages/streams/package.json b/packages/streams/package.json
index 712313989..f5a58948b 100644
--- a/packages/streams/package.json
+++ b/packages/streams/package.json
@@ -53,7 +53,7 @@
     "build:docs": "typedoc",
     "changelog:update": "../../scripts/update-changelog.sh @metamask/streams",
     "changelog:validate": "../../scripts/validate-changelog.sh @metamask/streams",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
@@ -102,7 +102,7 @@
     "eslint-plugin-n": "^17.17.0",
     "eslint-plugin-prettier": "^5.2.6",
     "eslint-plugin-promise": "^7.2.1",
-    "playwright": "^1.54.2",
+    "playwright": "^1.57.0",
     "prettier": "^3.5.3",
     "rimraf": "^6.0.1",
     "ses": "^1.14.0",
diff --git a/packages/template-package/package.json b/packages/template-package/package.json
index 79f86f7f0..ae6ab27fc 100644
--- a/packages/template-package/package.json
+++ b/packages/template-package/package.json
@@ -32,7 +32,7 @@
     "build": "ts-bridge --project tsconfig.build.json --no-references --clean",
     "build:docs": "typedoc",
     "changelog:validate": "../../scripts/validate-changelog.sh @ocap/template-package",
-    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo",
+    "clean": "rimraf --glob './*.tsbuildinfo' ./.eslintcache ./coverage ./dist ./.turbo ./logs",
     "lint": "yarn lint:eslint && yarn lint:misc --check && yarn constraints && yarn lint:dependencies",
     "lint:dependencies": "depcheck --quiet",
     "lint:eslint": "eslint . --cache",
diff --git a/yarn.config.cjs b/yarn.config.cjs
index 8077c49fa..e1b6d68b1 100644
--- a/yarn.config.cjs
+++ b/yarn.config.cjs
@@ -204,8 +204,12 @@ module.exports = defineConfig({
           expectWorkspaceField(workspace, 'scripts.build:docs', 'typedoc');
         }
 
-        // All packages except the root must have a "clean" script.
-        expectWorkspaceField(workspace, 'scripts.clean');
+        // All packages except the root must have a "clean" script that includes ./logs.
+        expectWorkspaceField(workspace, 'scripts.clean', (currentValue) =>
+          typeof currentValue === 'string' && !currentValue.includes('./logs')
+            ? `${currentValue} ./logs`
+            : currentValue,
+        );
 
         // No non-root packages may have a "prepack" script.
         workspace.unset('scripts.prepack');
diff --git a/yarn.lock b/yarn.lock
index 8fdc13dfa..6c6bccb3c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2924,7 +2924,7 @@ __metadata:
     eslint-plugin-n: "npm:^17.17.0"
     eslint-plugin-prettier: "npm:^5.2.6"
     eslint-plugin-promise: "npm:^7.2.1"
-    playwright: "npm:^1.54.2"
+    playwright: "npm:^1.57.0"
     prettier: "npm:^3.5.3"
     rimraf: "npm:^6.0.1"
     ses: "npm:^1.14.0"
@@ -3471,7 +3471,7 @@ __metadata:
     "@ocap/cli": "workspace:^"
     "@ocap/kernel-test": "workspace:^"
     "@ocap/repo-tools": "workspace:^"
-    "@playwright/test": "npm:^1.54.2"
+    "@playwright/test": "npm:^1.57.0"
     "@testing-library/jest-dom": "npm:^6.6.3"
     "@types/chrome": "npm:^0.0.313"
     "@types/react": "npm:^17.0.11"
@@ -3491,7 +3491,7 @@ __metadata:
     eslint-plugin-prettier: "npm:^5.2.6"
     eslint-plugin-promise: "npm:^7.2.1"
     jsdom: "npm:^27.4.0"
-    playwright: "npm:^1.54.2"
+    playwright: "npm:^1.57.0"
     prettier: "npm:^3.5.3"
     react: "npm:^17.0.2"
     react-dom: "npm:^17.0.2"
@@ -3931,7 +3931,7 @@ __metadata:
     "@metamask/streams": "workspace:^"
     "@ocap/cli": "workspace:^"
     "@ocap/repo-tools": "workspace:^"
-    "@playwright/test": "npm:^1.54.2"
+    "@playwright/test": "npm:^1.57.0"
     "@testing-library/jest-dom": "npm:^6.6.3"
     "@testing-library/react": "npm:^12.1.5"
     "@types/chrome": "npm:^0.0.313"
@@ -3953,7 +3953,7 @@ __metadata:
     eslint-plugin-prettier: "npm:^5.2.6"
     eslint-plugin-promise: "npm:^7.2.1"
     jsdom: "npm:^27.4.0"
-    playwright: "npm:^1.54.2"
+    playwright: "npm:^1.57.0"
     prettier: "npm:^3.5.3"
     react: "npm:^17.0.2"
     react-dom: "npm:^17.0.2"
@@ -4020,7 +4020,7 @@ __metadata:
     "@metamask/eslint-config-nodejs": "npm:^15.0.0"
     "@metamask/eslint-config-typescript": "npm:^15.0.0"
     "@metamask/superstruct": "npm:^3.2.1"
-    "@playwright/test": "npm:^1.54.2"
+    "@playwright/test": "npm:^1.57.0"
     "@typescript-eslint/eslint-plugin": "npm:^8.29.0"
     "@typescript-eslint/parser": "npm:^8.29.0"
     "@typescript-eslint/utils": "npm:^8.29.0"
@@ -4540,14 +4540,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@playwright/test@npm:^1.54.2":
-  version: 1.54.2
-  resolution: "@playwright/test@npm:1.54.2"
+"@playwright/test@npm:^1.57.0":
+  version: 1.57.0
+  resolution: "@playwright/test@npm:1.57.0"
   dependencies:
-    playwright: "npm:1.54.2"
+    playwright: "npm:1.57.0"
   bin:
     playwright: cli.js
-  checksum: 10/33d6c0780ef6cca12c008cae166ba06978ae975138a1654e14cd8691ad7826dbbc03e492ed42c65889c44ca893d0fd47d8ae4dc8d824020d7f767260b395dc6b
+  checksum: 10/07f5ba4841b2db1dea70d821004c5156b692488e13523c096ce3487d30f95f34ccf30ba6467ece60c86faac27ae382213b7eacab48a695550981b2e811e5e579
   languageName: node
   linkType: hard
 
@@ -12682,27 +12682,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"playwright-core@npm:1.54.2":
-  version: 1.54.2
-  resolution: "playwright-core@npm:1.54.2"
+"playwright-core@npm:1.57.0":
+  version: 1.57.0
+  resolution: "playwright-core@npm:1.57.0"
   bin:
     playwright-core: cli.js
-  checksum: 10/8eb8b37d7b02c2394f85567c5703464ee7c85929e1de7118946548a0277cacd41a6f247b8f7eb50c921433346f785356eff8132a9d3c6c2dcf3402c6a83e4f18
+  checksum: 10/ec066602f0196f036006caee14a30d0a57533a76673bb9a0c609ef56e21decf018f0e8d402ba2fb18251393be6a1c9e193c83266f1670fe50838c5340e220de0
   languageName: node
   linkType: hard
 
-"playwright@npm:1.54.2, playwright@npm:^1.54.2":
-  version: 1.54.2
-  resolution: "playwright@npm:1.54.2"
+"playwright@npm:1.57.0, playwright@npm:^1.57.0":
+  version: 1.57.0
+  resolution: "playwright@npm:1.57.0"
   dependencies:
     fsevents: "npm:2.3.2"
-    playwright-core: "npm:1.54.2"
+    playwright-core: "npm:1.57.0"
   dependenciesMeta:
     fsevents:
       optional: true
   bin:
     playwright: cli.js
-  checksum: 10/3f4fedc1e2290b6da6960eedf0d78b9097251848b499b0627186ca85e94178fe6be1590c4926246ff4dad5729fc80ab63fee6554fe736d29c0a1808ec483467f
+  checksum: 10/241559210f98ef11b6bd6413f2d29da7ef67c7865b72053192f0d164fab9e0d3bd47913b3351d5de6433a8aff2d8424d4b8bd668df420bf4dda7ae9fcd37b942
   languageName: node
   linkType: hard