diff --git a/playwriter/src/cdp-relay.ts b/playwriter/src/cdp-relay.ts
index f38d383..fe455b7 100644
--- a/playwriter/src/cdp-relay.ts
+++ b/playwriter/src/cdp-relay.ts
@@ -884,10 +884,34 @@ export async function startPlayWriterCDPRelayServer({
           if (method === 'Target.attachedToTarget') {
             const targetParams = params as Protocol.Target.AttachedToTargetEvent
 
-            // Filter out restricted targets (non-page types, extension pages, chrome:// URLs, etc.)
+            // Filter out restricted targets (unsupported types, extension pages, chrome:// URLs, etc.)
             // These targets can't be properly controlled through chrome.debugger API
             // and cause issues when Playwright tries to initialize them (issue #14)
             if (isRestrictedTarget(targetParams.targetInfo)) {
+              // NOTE: We auto-resume restricted targets that were auto-attached with
+              // waitForDebuggerOnStart=true. We still filter them out, but Chrome pauses
+              // these targets until Runtime.runIfWaitingForDebugger is sent; if we don’t
+              // resume, OOPIF navigations (e.g. Google RotateCookiesPage) can hang and the
+              // main tab spinner never finishes.
+              //
+              // To support iframes directly in the future, we’d need to forward
+              // Target.attachedToTarget for type==='iframe', wire child session routing
+              // (commands/events per session), and allow iframes in isRestrictedTarget,
+              // plus add tests for iframe navigation + network lifecycles.
+              if (targetParams.waitingForDebugger && targetParams.sessionId) {
+                void sendToExtension({
+                  method: 'forwardCDPCommand',
+                  params: {
+                    sessionId: targetParams.sessionId,
+                    method: 'Runtime.runIfWaitingForDebugger',
+                    params: {},
+                    source: 'server',
+                  },
+                }).catch((error) => {
+                  const message = error instanceof Error ? error.message : String(error)
+                  logger?.log(pc.yellow('[Server] Failed to resume restricted target:'), message)
+                })
+              }
               logger?.log(pc.gray(`[Server] Ignoring restricted target: ${targetParams.targetInfo.type} (${targetParams.targetInfo.url})`))
               return
             }