refactor(browser): split pw tools + agent routes

src/browser/pw-tools-core.trace.ts

@@ -0,0 +1,39 @@
+import { ensureContextState, getPageForTargetId } from "./pw-session.js";
+
+export async function traceStartViaPlaywright(opts: {
+  cdpUrl: string;
+  targetId?: string;
+  screenshots?: boolean;
+  snapshots?: boolean;
+  sources?: boolean;
+}): Promise<void> {
+  const page = await getPageForTargetId(opts);
+  const context = page.context();
+  const ctxState = ensureContextState(context);
+  if (ctxState.traceActive) {
+    throw new Error(
+      "Trace already running. Stop the current trace before starting a new one.",
+    );
+  }
+  await context.tracing.start({
+    screenshots: opts.screenshots ?? true,
+    snapshots: opts.snapshots ?? true,
+    sources: opts.sources ?? false,
+  });
+  ctxState.traceActive = true;
+}
+
+export async function traceStopViaPlaywright(opts: {
+  cdpUrl: string;
+  targetId?: string;
+  path: string;
+}): Promise<void> {
+  const page = await getPageForTargetId(opts);
+  const context = page.context();
+  const ctxState = ensureContextState(context);
+  if (!ctxState.traceActive) {
+    throw new Error("No active trace. Start a trace before stopping it.");
+  }
+  await context.tracing.stop({ path: opts.path });
+  ctxState.traceActive = false;
+}