huangruiteng · Nov 11, 2026 · Nov 11, 2026
@@ -20,7 +20,7 @@ const study = caseFixture.analyses[0].case_study;
 const studyNavigation = packId => ({url: new URL('http://127.0.0.1/chat/'), goalId: 'child', packId, namespace: null,
   follow: () => {throw Error('read navigated');}});
 const renderedStudy = renderToStaticMarkup(createElement(ResearchCaseStudy, {
-  study, zh: false, historical: true, scope: caseFixture.analyses[0].input.scope,
+  study, zh: false, historical: true, active: true, scope: caseFixture.analyses[0].input.scope,
   navigation: studyNavigation('saved-pack'),
   onCitation: () => {throw Error('read executed a citation');},
 }));
@@ -35,6 +35,7 @@ const casePack = {pack_id: "one", title: "First study", scope: caseFixture.analy
   case_study: study, case_study_summary: {title: study.title}, applicability: "current"};
 const secondCase = {...casePack, pack_id: "two", title: "Second study"};
 const renderCase = packs => renderToStaticMarkup(createElement(ResearchCaseReading, {
+  active: true,
   analysis: {zh: false, pack: casePack, snapshot: {catalog: {packs}}, location: {open: false}, studyNavigation},
 }));
 assert.ok(!renderCase([casePack]).includes("<select"), "A single saved version reads directly");

@@ -97,7 +97,46 @@ try {
   await (await late).finished();
   await page.evaluate(() => new Promise(resolvePaint => requestAnimationFrame(() => requestAnimationFrame(resolvePaint))));
   assert.equal(await citation.count(), 0, "Late original response cannot reopen the previous evidence");
-  console.log("research evidence version: saved and late original excerpts isolated");
+
+  // Open a saved chapter through the same workspace router used by the tabs
+  // and parent links. Browser Back must keep the previous visit's position.
+  localizedReady = false;
+  const child = JSON.parse(await readFile(resolve(import.meta.dirname, "../src/data/fixtures/case-study-child.json"), "utf8"));
+  const parent = {goal_id: child.parent_goal_id, display_name: "Benchmark", events: [], analyses: []};
+  const study = await start("study", child, parent);
+  const studyPack = (await (await fetch(new URL(analysisPath + "?" + new URLSearchParams({goal_id: child.goal_id}), study))).json()).pack;
+  const chapter = studyPack.case_study.sections[1];
+  const address = new URL("/chat/", study);
+  address.search = new URLSearchParams({goalId: child.goal_id, view: "research", research_goal: child.goal_id,
+    research_reading: "case", research_analysis_goal: child.goal_id, research_pack: studyPack.pack_id});
+  address.hash = "case-section-" + studyPack.pack_id + "-" + chapter.id;
+  const atChapter = () => page.waitForFunction(id => document.activeElement?.id === id, address.hash.slice(1));
+  await page.goto(address.href);
+  await atChapter();
+  const tabs = page.locator(".personal-goal-tabs");
+  await tabs.getByRole("button", {name: "任务", exact: true}).click();
+  await page.waitForURL(url => url.searchParams.get("view") === "tasks");
+  assert.equal(new URL(page.url()).hash, address.hash);
+  await tabs.getByRole("button", {name: "研究", exact: true}).click();
+  await atChapter();
+  await page.locator("button.research-parent-goal").click();
+  await page.waitForURL(url => url.searchParams.get("goalId") === parent.goal_id);
+  function assertParentAddress() {
+    const url = new URL(page.url());
+    assert.equal(url.hash, "");
+    assert.equal([...url.searchParams.keys()].some(key => key.startsWith("research_")), false,
+      "The parent's address belongs to its own research");
+  }
+  assertParentAddress();
+  await page.goBack();
+  await atChapter();
+  assert.equal(new URL(page.url()).searchParams.get("research_pack"), studyPack.pack_id);
+  await page.reload();
+  await atChapter();
+  await page.goForward();
+  await page.waitForURL(url => url.searchParams.get("goalId") === parent.goal_id);
+  assertParentAddress();
+  console.log("research evidence version: saved excerpts isolated and chapter navigation restored");
 } finally {
   releaseOriginal?.();
   await browser?.close();
@@ -110,12 +149,15 @@ try {
   await rm(root, {recursive: true, force: true});
 }
 
-async function start(name, capture) {
-  const fixture = resolve(root, name + ".json");
-  await writeFile(fixture, JSON.stringify(capture));
+async function start(name, ...captures) {
+  const fixtures = await Promise.all(captures.map(async (capture, index) => {
+    const path = resolve(root, name + "-" + index + ".json");
+    await writeFile(path, JSON.stringify(capture));
+    return path;
+  }));
   const child = spawn(resolveTestPython({repoRoot: repo}), [
     "-u", "examples/personal-workspace-browser/research-history-backend.py",
-    "--fixture", fixture, "--workspace-directory", "--assets-dir", assets,
+    ...fixtures.flatMap(path => ["--fixture", path]), "--workspace-directory", "--assets-dir", assets,
   ], {cwd: repo, env: {...process.env, PYTHONPATH: repo}, stdio: ["ignore", "pipe", "pipe"]});
   servers.push(child);
   let error = "";

@@ -396,7 +396,7 @@ export function ResearchReportSummary({analysis: a}: {analysis: Controller}) {
     onExpand={origin => {a.trigger.current = origin; a.show();}} onCitation={a.readCitation}/></div> : null;
 }
 
-export function ResearchCaseReading({analysis: a, onHistory}: {analysis: Controller; onHistory: () => void}) {
+export function ResearchCaseReading({analysis: a, active, onHistory}: {analysis: Controller; active: boolean; onHistory: () => void}) {
   const packs = (a.snapshot?.catalog.packs ?? []).filter(p => p.case_study_summary);
   const p = a.pack;
   const firstStudy = packs[0]?.pack_id;
@@ -410,7 +410,7 @@ export function ResearchCaseReading({analysis: a, onHistory}: {analysis: Control
         {packs.map(pack => <option key={pack.pack_id} value={pack.pack_id}>{pack.title}</option>)}
       </select></label> : null}<button type="button" onClick={onHistory}>{a.zh ? "研究记录与分析" : "Research records and analysis"} ↗</button></header>
     <AnalysisReadState analysis={a}/>
-    {p?.case_study ? <ResearchCaseStudy key={p.pack_id} study={p.case_study} zh={a.zh} historical={p.applicability !== "current"}
+    {p?.case_study ? <ResearchCaseStudy key={p.pack_id} study={p.case_study} zh={a.zh} historical={p.applicability !== "current"} active={active}
       scope={p.scope} navigation={a.studyNavigation(p.pack_id)} onCitation={a.readCitation}/> : !a.loading && !a.readError ? <p>{a.zh ? "选择一份解读，阅读问题背景、策略差异、关键转折与证据。" : "Choose a study to read its background, approaches, turning points and evidence."}</p> : null}
     <ResearchCitationPanel analysis={a}/>
   </section>;

@@ -514,7 +514,7 @@ export function GoalResearchHistory({goalId, originalGoalId = goalId, preferHist
       onSelect={strategies.choose} onClose={() => strategies.choose(null)}/>;
   }
   if (caseReading && (hasCases || awaitingRequestedCase)) {
-    return <ResearchCaseReading analysis={analysis} onHistory={() => setCaseMode(false)}/>;
+    return <ResearchCaseReading analysis={analysis} active={active} onHistory={() => setCaseMode(false)}/>;
   }
   return <section className="research-history" aria-label={copy.title} aria-busy={busy}>
     {hasCases ? <button type="button" className="case-return-reader" onClick={() => setCaseMode(true)}>{zh ? "← Case 深度解读" : "← Case studies"}</button> : null}

@@ -52,8 +52,8 @@ function focusChapter(chapter: HTMLElement) {
 }
 
 /** A document's author controls the composition; the host owns navigation and evidence. */
-export function ResearchCaseStudy({study, zh, historical, scope, navigation, onCitation}: {
-  study: TrajectoryCaseStudy; zh: boolean; historical: boolean;
+export function ResearchCaseStudy({study, zh, historical, active, scope, navigation, onCitation}: {
+  study: TrajectoryCaseStudy; zh: boolean; historical: boolean; active: boolean;
   scope: {case_id: string; run_id: string; revision: string; window: string};
   navigation: {url: URL; goalId: string; packId: string; namespace: string | null; follow: (href: URL) => void};
   onCitation: (c: AssessmentCitation, origin?: HTMLButtonElement) => void;
@@ -62,6 +62,7 @@ export function ResearchCaseStudy({study, zh, historical, scope, navigation, onC
   const {url, goalId, packId, namespace, follow} = navigation;
   const prefix = `${caseChapterHashPrefix.slice(1)}${namespace ? namespace + '-' : ''}${packId}-`;
   useEffect(() => {
+    if (!active) return;
     // The URL can arrive before the saved study is mounted, or while history
     // switches to another Goal/version. Only restore a visible matching chapter.
     let frame = 0;
@@ -84,7 +85,7 @@ export function ResearchCaseStudy({study, zh, historical, scope, navigation, onC
       window.removeEventListener('popstate', restore);
       window.removeEventListener('hashchange', restore);
     };
-  }, [goalId, packId, prefix]);
+  }, [active, goalId, packId, prefix]);
   const citationLinks = (citations: AssessmentCitation[]) => <ul className="case-citation-links" role="list">
     {citations.map((c, i) => <li key={i}><button type="button" onClick={e => onCitation(c, e.currentTarget)}>
       {c.source_id} · {zh ? '行' : 'lines'} {c.first_line}–{c.last_line} <span aria-hidden="true">↗</span>

@@ -22,26 +22,39 @@ function RouteLoading() {
   return <main className="p-8" role="status">加载中… / Loading…</main>;
 }
 
-const searchSchema = z.object({
-  goalId: z.string().optional().default(""),
-  // Absence alone opens all Goals. Preserve present decoded values, including
-  // empty strings/arrays, so malformed scope cannot become an unscoped visit.
-  // Numeric opaque IDs still survive the router's JSON decoding.
-  rootGoalId: z.unknown().transform(value => typeof value === "string" && value
-    ? value : JSON.stringify(value)).optional(),
-  // Preserve the existing history/analysis owners' query state. They validate
-  // it from the URL themselves; router decoding can produce arrays or numbers.
+// The research readers validate their bookmarks against the selected Goal and
+// source. Keep their existing URL fields together for workspace navigation.
+const researchSearchShape = {
   research_lens: z.unknown().optional(),
   research_phase: z.unknown().optional(),
   research_goal: z.unknown().optional(),
+  research_reading: z.unknown().optional(),
   research_node: z.unknown().optional(),
   research_finding: z.unknown().optional(),
   research_event: z.unknown().optional(),
   research_state: z.unknown().optional(),
   research_group: z.unknown().optional(),
+  research_parent_node: z.unknown().optional(),
+  research_parent_group: z.unknown().optional(),
+  research_question: z.unknown().optional(),
+  research_return: z.unknown().optional(),
   research_pack: z.unknown().optional(),
+  research_compare: z.unknown().optional(),
   research_analysis: z.unknown().optional(),
   research_analysis_goal: z.unknown().optional(),
+};
+export const clearedResearchSearch = Object.fromEntries(
+  Object.keys(researchSearchShape).map(key => [key, undefined]),
+) as Record<keyof typeof researchSearchShape, undefined>;
+
+const searchSchema = z.object({
+  goalId: z.string().optional().default(""),
+  // Absence alone opens all Goals. Preserve present decoded values, including
+  // empty strings/arrays, so malformed scope cannot become an unscoped visit.
+  // Numeric opaque IDs still survive the router's JSON decoding.
+  rootGoalId: z.unknown().transform(value => typeof value === "string" && value
+    ? value : JSON.stringify(value)).optional(),
+  ...researchSearchShape,
   // Settings view state is validated by its local reader, just like research
   // focus. Preserve it across workspace navigation without granting a target.
   settings_scope: z.unknown().optional(),