refactor(observation): isolate document processing from capture orchestration

apps/extension/src/tools/vom/__tests__/frame-document.test.ts

@@ -1,12 +1,7 @@
-import { describe, expect, it, vi } from "vitest";
+import { describe, expect, it } from "vitest";
 import type { CdpFrameGraph } from "@/browser-driver/frame-graph";
-import type { CapturedNode } from "../capture";
-import {
-  buildFrameDocuments,
-  type FrameAxBatch,
-  type FrameDomInput,
-  type FrameOwnedAxNode,
-} from "../frame-document";
+import type { CapturedNode, CapturedViewModel } from "../capture";
+import { buildFrameDocuments, type FrameAxBatch, type FrameOwnedAxNode } from "../frame-document";
 
 function domNode(frameId: string, backendNodeId: number): CapturedNode {
   return {
@@ -22,11 +17,14 @@ function domNode(frameId: string, backendNodeId: number): CapturedNode {
   };
 }
 
-function captured(frameNodes: Map<string, CapturedNode[]>): FrameDomInput {
+function captured(frameNodes: Map<string, CapturedNode[]>): CapturedViewModel {
   return {
     nodes: frameNodes.get("main") ?? [],
+    viewport: { width: 800, height: 600 },
+    iframeNodes: new Map(),
     frameNodes,
     rootFrameId: "main",
+    excludedBackendNodeIds: new Set(),
   };
 }
 
@@ -159,12 +157,10 @@ describe("buildFrameDocuments", () => {
       ["child", [domNode("child", 9)]],
     ]);
     const capture = captured(frameNodes);
+    capture.frameOwnerBackendNodeIds = new Map([["child", 7]]);
+    capture.frameParentIds = new Map([["child", "left"]]);
     const frames = ["main", "left", "right", "child"].map((frameId) => ({
-      frame: {
-        frameId,
-        target: { tabId: 4 },
-        ...(frameId === "child" ? { parentFrameId: "left", ownerBackendNodeId: 7 } : {}),
-      },
+      frame: { frameId, target: { tabId: 4 } },
       nodes: [],
     }));
 
@@ -175,23 +171,6 @@ describe("buildFrameDocuments", () => {
       ownerBackendNodeId: 7,
     });
   });
-  it("rejects explicit AX frame ownership in a different target", async () => {
-    const frames = [
-      { frameId: "main", target: { tabId: 4 } },
-      { frameId: "remote", target: { tabId: 4, sessionId: "remote" } },
-    ];
-    const unresolved = vi.fn();
-    const documents = await buildFrameDocuments(
-      { rootFrameId: "main", frames },
-      [{ frame: frames[0], nodes: [{ nodeId: "wrong", frameId: "remote" }] }],
-      captured(new Map()),
-      undefined,
-      unresolved,
-    );
-    expect(documents.every((doc) => doc.axNodes.length === 0)).toBe(true);
-    expect(unresolved).toHaveBeenCalledOnce();
-  });
-
   it("resolves a reverse-ordered deep AX parent chain without recursion", async () => {
     const frame = { frameId: "main", target: { tabId: 4 } };
     const nodes: FrameOwnedAxNode[] = Array.from({ length: 10000 }, (_, i) => ({