huangruiteng · Oct 26, 2026 · Oct 25, 2026 · Oct 25, 2026 · Oct 25, 2026
@@ -298,6 +298,24 @@ export function GoalResearchHistory({goalId, active, zh, refreshRevision = 0, re
     select(parent?.selection ?? {nodes: [], day: null}, false);
   };
   const resultsAnchor = useRef<HTMLDivElement>(null), reportAnchor = useRef<HTMLDivElement>(null), historyAnchor = useRef<HTMLElement>(null);
+  const reportEntries = useRef(new Set<string>());
+  const reportScope = JSON.stringify([goalId, readSourceUrl ?? "", analysis.pack?.pack_id ?? analysis.location.packId]);
+  useLayoutEffect(() => {
+    if (!active || !analysis.location.open || reportEntries.current.has(reportScope)) return;
+    // A record/finding link owns its focus, even while history is still loading.
+    if (selection.nodes.length || selection.day !== null) {reportEntries.current.add(reportScope); return;}
+    if (analysis.loading && !analysis.pack && !analysis.readError) return;
+    const target = analysis.panel.current;
+    if (!target) return;
+    // Resolve a saved report link once per reading context. Explicit reopening
+    // keeps its existing action focus; reads and tab restoration must not rearm it.
+    reportEntries.current.add(reportScope);
+    // A user may have selected a source while this report was loading.
+    // URL restoration must not take focus from that active control.
+    if (document.activeElement && document.activeElement !== document.body && document.activeElement !== target) return;
+    target.focus({preventScroll: true});
+    target.scrollIntoView({block: "start"});
+  }, [active, reportScope, analysis.location.open, analysis.loading, analysis.pack, analysis.readError, analysis.panel, selection.nodes.length, selection.day]);
   const readingSelection = Boolean(selected || selectedMembers?.length);
   const selectedFinding = selected?.findings.find(finding => finding.result_id === selection.finding)
     ?? (!selection.finding ? selected?.findings.at(-1) : undefined);

@@ -9,15 +9,21 @@ export function GoalWorkspacePanels({ activeTab, panels, scrollRef }: {
 }) {
   const [visited, setVisited] = useState(() => new Set([activeTab]));
   const positions = useRef<Partial<Record<WorkspaceGoalTab, number>>>({});
+  const currentTab = useRef(activeTab);
   useEffect(() => setVisited(current => current.has(activeTab) ? current : new Set([...current, activeTab])), [activeTab]);
   useLayoutEffect(() => {
+    currentTab.current = activeTab;
+    const scroll = scrollRef.current;
+    if (scroll) scroll.scrollTop = positions.current[activeTab] ?? 0;
+  }, [activeTab, scrollRef]);
+  useEffect(() => {
+    // The ancestor's scroll ref is ready after layout effects finish mounting.
     const scroll = scrollRef.current;
     if (!scroll) return;
-    scroll.scrollTop = positions.current[activeTab] ?? 0;
-    const remember = () => { positions.current[activeTab] = scroll.scrollTop; };
+    const remember = () => { positions.current[currentTab.current] = scroll.scrollTop; };
     scroll.addEventListener("scroll", remember, { passive: true });
     return () => scroll.removeEventListener("scroll", remember);
-  }, [activeTab, scrollRef]);
+  }, [scrollRef]);
   return (Object.keys(panels) as WorkspaceGoalTab[]).map(tab => visited.has(tab) || tab === activeTab
     ? <div className="personal-goal-view-panel" data-goal-panel={tab} hidden={tab !== activeTab} key={tab}>{panels[tab]}</div>
     : null);

@@ -245,6 +245,34 @@ export const researchHistoryScenario = {
       assert.equal(await synthesisPage.getByRole('region', {name: '研究汇报', exact: true}).count(), 1, 'One reading focus when expanded');
       assert.match(await analysis.innerText(), /竞争解释.*随机波动/s);
       const savedOverview = await analysis.locator('.research-synthesis-summary').innerText();
+      // Saved links and the first return from another view preserve reading.
+      // Exercise a fresh panel mount at each width, then repeat the round trip.
+      for (const viewport of [{width: 390, height: 844}, {width: 1280, height: 900}]) {
+        await synthesisPage.setViewportSize(viewport);
+        await synthesisPage.reload({waitUntil: 'domcontentloaded'});
+        await analysis.locator('.research-synthesis-summary').waitFor();
+        await synthesisPage.screenshot({path: resolve(outputDir, `research-deep-link-${viewport.width}.png`), animations: 'disabled'});
+        assert(await analysis.locator('.research-synthesis-summary').evaluate(e => {
+          const box = e.getBoundingClientRect();
+          return box.top >= 0 && box.bottom <= innerHeight - 48;
+        }), 'A saved deep-report link reveals the actual account in the first viewport');
+        const laterFinding = analysis.locator('.research-report-finding').last();
+        for (let visit = 0; visit < 2; visit++) {
+          const readingTop = await laterFinding.evaluate(async e => {
+            e.scrollIntoView({block: 'center'});
+            await new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve)));
+            return e.getBoundingClientRect().top;
+          });
+          await synthesisPage.getByRole('button', {name: '任务', exact: true}).click();
+          await synthesisPage.getByRole('button', {name: '研究', exact: true}).click();
+          // The existing panel entrance animation must settle before measuring.
+          await synthesisPage.waitForFunction(top => {
+            const finding = document.querySelector('.personal-goal-view-panel:not([hidden]) .research-report-finding:last-child');
+            return finding && Math.abs(finding.getBoundingClientRect().top - top) < 3;
+          }, readingTop);
+        }
+      }
+      await synthesisPage.setViewportSize({width: 390, height: 844});
       assert(await analysis.locator('.research-report-tabs').evaluate(tabs => {
         const overview = tabs.parentElement.querySelector('.research-synthesis-summary');
         return Boolean(overview && (tabs.compareDocumentPosition(overview) & Node.DOCUMENT_POSITION_FOLLOWING));