diff --git a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-history.tsx b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-history.tsx
index 4552545bf7..30c93d4964 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/goal-research-history.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/goal-research-history.tsx
@@ -540,6 +540,7 @@ export function GoalResearchHistory({goalId, active, zh, refreshRevision = 0, re
     {value?.events.length ? <details ref={records} className="research-history-all-records" open={recordsOpen} onToggle={event => setRecordsOpen(event.currentTarget.open)}><summary>{zh ? "全部已读记录" : "All loaded records"} · {value.events.length}</summary>
       {recordsOpen ? <ResearchRecordSearch key={JSON.stringify([goalId, readSourceUrl])} goalId={goalId} events={history.canonical?.events ?? []}
         displayEvents={currentDisplay && !originalDisplay ? value.events : undefined}
+        displaySections={currentDisplay && !originalDisplay ? displayProjection.sections : undefined}
         renderBody={currentDisplay && !originalDisplay ? findingBody : undefined}
         complete={read.complete} stale={Boolean(error || history.error)} busy={busy} zh={zh} stateLabel={stateLabel} timeLabel={timeLabel}/> : null}
     </details> : null}
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/research-record-browser.tsx b/apps/presentation/dashboard/src/features/personal-workspace/research-record-browser.tsx
index 03bc5f7090..70b3001352 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/research-record-browser.tsx
+++ b/apps/presentation/dashboard/src/features/personal-workspace/research-record-browser.tsx
@@ -3,14 +3,15 @@ import {CircleHelp, TriangleAlert} from "lucide-react";
 import {ContextHelp} from "./context-help";
 import {useMemo, useState, type ReactNode} from "react";
 import type {ExploreHistoryEvent} from "../../../../../../loopx/control_plane/presentation/explore_history.ts";
-import {searchResearchRecords} from "./research-record-search";
+import {searchResearchRecords, type ResearchRecordDisplay} from "./research-record-search";
 import {exportResearchRecords} from "./research-record-export";
 import {downloadReport} from "./report-download";
 
 /** Local read controls over the existing validated history snapshot. */
-export function ResearchRecordSearch({goalId, events, displayEvents, renderBody, complete, stale, busy, zh, stateLabel, timeLabel}: {
+export function ResearchRecordSearch({goalId, events, displayEvents, displaySections, renderBody, complete, stale, busy, zh, stateLabel, timeLabel}: {
   goalId: string;
   displayEvents?: readonly ExploreHistoryEvent[]; renderBody?: (event: ExploreHistoryEvent) => ReactNode;
+  displaySections?: ResearchRecordDisplay["sections"];
   events: readonly ExploreHistoryEvent[]; complete: boolean; stale: boolean; busy: boolean; zh: boolean;
   stateLabel: (status: string) => string; timeLabel: (at: string) => string;
 }) {
@@ -18,8 +19,9 @@ export function ResearchRecordSearch({goalId, events, displayEvents, renderBody,
   const [status, setStatus] = useState("");
   const [limit, setLimit] = useState(50);
   const [downloadFailed, setDownloadFailed] = useState(false);
-  const matches = useMemo(() => searchResearchRecords(events, query, status), [events, query, status]);
   const displayed = useMemo(() => new Map(displayEvents?.map(event => [event.event_id, event])), [displayEvents]);
+  const display = useMemo(() => ({events: displayed, sections: displaySections}), [displayed, displaySections]);
+  const matches = useMemo(() => searchResearchRecords(events, query, status, display), [events, query, status, display]);
   const statuses = [...new Set(events.map(event => event.status).filter(Boolean))].sort();
   const countLabel = zh ? `匹配 ${matches.length} / ${events.length} 条已读记录` : `${matches.length} matches in ${events.length} loaded records`;
   const readState = busy ? (zh ? "读取中" : "Reading") : stale ? (zh ? "刷新失败" : "Refresh failed") : "";
@@ -27,7 +29,7 @@ export function ResearchRecordSearch({goalId, events, displayEvents, renderBody,
   return <div className="research-record-search">
     <div className="research-record-filters">
       <input type="search" aria-label={zh ? "搜索研究记录" : "Search research records"}
-        placeholder={zh ? "原文、来源引用或 ID" : "Original text, source reference or ID"} value={query}
+        placeholder={zh ? "正文、来源引用或 ID" : "Text, source reference or ID"} value={query}
         onChange={event => {setQuery(event.target.value); setLimit(50);}}/>
       <select aria-label={zh ? "记录状态" : "Recorded status"} value={status}
         onChange={event => {setStatus(event.target.value); setLimit(50);}}>
@@ -38,7 +40,7 @@ export function ResearchRecordSearch({goalId, events, displayEvents, renderBody,
       <button type="button" disabled={busy || !matches.length} onClick={() => {
         setDownloadFailed(false);
         try {
-          const text = exportResearchRecords({goalId, events, query, status, complete, stale, exportedAt: new Date().toISOString()});
+          const text = exportResearchRecords({goalId, events, query, status, complete, stale, display, exportedAt: new Date().toISOString()});
           downloadReport(`research-${goalId}.json`, "", text);
         } catch {setDownloadFailed(true);}
       }}>{zh ? "下载匹配记录（JSON）" : "Download matches (JSON)"}</button>
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.test.mjs b/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.test.mjs
index 02619798af..40875b6a43 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.test.mjs
+++ b/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.test.mjs
@@ -40,3 +40,13 @@ test("rejects a mismatched Goal even when its records would be filtered out", ()
   assert.throws(() => snapshot([record({goal_id: "other"})], {query: "no match"}), /Goal mismatch/);
   assert.throws(() => snapshot([], {goalId: ""}), /Goal mismatch/);
 });
+
+test("a displayed-language match exports exactly the source revision and preserves coverage", () => {
+  const original = Object.freeze(record({title: "Negative evidence", summary: "Unknown complete cost", status: "refuted"}));
+  const display = {events: new Map([[original.event_id, {...original, title: "负向证据", summary: "完整成本未知"}]])};
+  const result = snapshot([original], {query: "完整成本未知", status: "refuted", display, complete: false, stale: true});
+  assert.deepEqual(result.records, [original]);
+  assert.deepEqual(result.filters, {query: "完整成本未知", status: "refuted"});
+  assert.deepEqual(result.coverage, {loaded_records: 1, exported_records: 1, history_complete: false, refresh_failed: true});
+  assert.doesNotMatch(JSON.stringify(result.records), /负向证据|完整成本未知/);
+});
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.ts b/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.ts
index e55605b7f7..16ab0ab832 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.ts
+++ b/apps/presentation/dashboard/src/features/personal-workspace/research-record-export.ts
@@ -1,16 +1,16 @@
 import type {ExploreHistoryEvent} from "../../../../../../loopx/control_plane/presentation/explore_history.ts";
-import {searchResearchRecords} from "./research-record-search.ts";
+import {searchResearchRecords, type ResearchRecordDisplay} from "./research-record-search.ts";
 
 /** A portable reading snapshot, not an import format or an acceptance receipt.
  * Export canonical records, never translated/analysed display replacements.
  * Source endpoints are deliberately absent: opening a file needs no connection.
  */
-export function exportResearchRecords({goalId, events, query, status, complete, stale, exportedAt}: {
+export function exportResearchRecords({goalId, events, query, status, complete, stale, exportedAt, display}: {
   goalId: string; events: readonly ExploreHistoryEvent[]; query: string; status: string;
-  complete: boolean; stale: boolean; exportedAt: string;
+  complete: boolean; stale: boolean; exportedAt: string; display?: ResearchRecordDisplay;
 }): string {
   if (!goalId || events.some(event => event.goal_id !== goalId)) throw new Error("Research export Goal mismatch");
-  const records = searchResearchRecords(events, query, status);
+  const records = searchResearchRecords(events, query, status, display);
   return JSON.stringify({
     goal_id: goalId,
     exported_at: exportedAt,
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.test.mjs b/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.test.mjs
index 2d9cf1b939..bbc7eba033 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.test.mjs
+++ b/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.test.mjs
@@ -26,3 +26,22 @@ test("terms may span provenance and original multilingual text without mutating
   assert.deepEqual(searchResearchRecords([source], "质量下降 RUN:42 deadbeef"), [source]);
   assert.deepEqual(searchResearchRecords([source], "quality"), [], "The search does not translate or infer source claims");
 });
+
+test("matches the reader's translated narrative alongside original text and identity, returning only originals", () => {
+  const original = Object.freeze(record({title: "Negative observation", summary: "Original serialized finding", event_id: "old",
+    status: "refuted", run_id: "run:old", execution_observation: {change_reason: "Keep the reference"}}));
+  const other = Object.freeze(record({event_id: "new", title: "Later evidence", status: "confirmed"}));
+  const events = Object.freeze([original, other]);
+  const display = {events: new Map([["old", {...original, title: "负向观察", execution_observation: {change_reason: "保留参考方案"}}]]),
+    sections: new Map([["old", {applicability: "仅限本地", observation: "完整成本未知", interpretation: "",
+      decision: {outcome: "replan", changed: ["核对原始证据"], stopped: ["停止当前路线"], retained: ["保留旧版本"]}}]])};
+  for (const text of ["负向观察", "仅限本地", "完整成本未知", "核对原始证据", "停止当前路线", "保留旧版本", "保留参考方案"]) {
+    assert.deepEqual(searchResearchRecords(events, `${text} RUN:OLD`, "refuted", display), [original]);
+  }
+  assert.deepEqual(searchResearchRecords(events, "负向观察 Negative", "", display), [original]);
+  assert.equal(searchResearchRecords(events, "负向观察", "", display)[0], original);
+  assert.deepEqual(searchResearchRecords(events, "负向观察", "confirmed", display), []);
+  assert.deepEqual(searchResearchRecords(events, "Later", "", display), [other], "Partial translations retain original matching");
+  assert.deepEqual(searchResearchRecords(events, "负向观察"), [], "An absent/stale display never supplies cached aliases");
+  assert.equal(original.title, "Negative observation");
+});
diff --git a/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.ts b/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.ts
index 53f3440b97..43452b6e71 100644
--- a/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.ts
+++ b/apps/presentation/dashboard/src/features/personal-workspace/research-record-search.ts
@@ -1,15 +1,30 @@
 import type {ExploreHistoryEvent} from "../../../../../../loopx/control_plane/presentation/explore_history.ts";
+import type {ExploreFindingSections} from "../../../../../../loopx/control_plane/presentation/explore_timeline.ts";
+
+/** The history reader supplies its already qualified, current-language projection.
+ * This search neither validates a translation nor borrows another snapshot. */
+export type ResearchRecordDisplay = {
+  events?: ReadonlyMap<string, ExploreHistoryEvent>;
+  sections?: ReadonlyMap<string, ExploreFindingSections | null>;
+};
 
 /** Search source records, including superseded revisions, before display paging.
+ * Optional display text broadens matching; results remain the original records.
  * Tokens are literal, case-insensitive AND terms; no inferred evidence or status. */
-export function searchResearchRecords(events: readonly ExploreHistoryEvent[], query: string, status = "") {
+export function searchResearchRecords(events: readonly ExploreHistoryEvent[], query: string, status = "", display?: ResearchRecordDisplay) {
   const terms = query.trim().toLowerCase().split(/\s+/u).filter(Boolean);
   return events.filter(event => {
     if (status && event.status !== status) return false;
     if (!terms.length) return true;
+    const translated = display?.events?.get(event.event_id);
+    const sections = display?.sections?.get(event.event_id);
     const fields = [event.title, event.summary, event.blocked_reason, event.event_id,
       event.result_id, event.node_id, event.parent_id, event.from_node, event.to_node,
-      event.run_id, event.agent_id, event.supersedes, ...event.evidence_refs].map(field => field.toLowerCase());
+      event.run_id, event.agent_id, event.supersedes, ...event.evidence_refs,
+      translated?.title, translated?.summary, translated?.blocked_reason, translated?.execution_observation?.change_reason,
+      sections?.applicability, sections?.observation, sections?.interpretation,
+      ...(sections?.decision?.changed ?? []), ...(sections?.decision?.stopped ?? []), ...(sections?.decision?.retained ?? []),
+    ].filter((field): field is string => typeof field === "string").map(field => field.toLowerCase());
     return terms.every(term => fields.some(field => field.includes(term)));
   });
 }
diff --git a/apps/presentation/dashboard/visual-evidence/research-search/after-body-390.png b/apps/presentation/dashboard/visual-evidence/research-search/after-body-390.png
new file mode 100644
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diff --git a/apps/presentation/dashboard/visual-evidence/research-search/after-search-1440.png b/apps/presentation/dashboard/visual-evidence/research-search/after-search-1440.png
new file mode 100644
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diff --git a/apps/presentation/dashboard/visual-evidence/research-search/after-search-390.png b/apps/presentation/dashboard/visual-evidence/research-search/after-search-390.png
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diff --git a/apps/presentation/dashboard/visual-evidence/research-search/before-search-1440.png b/apps/presentation/dashboard/visual-evidence/research-search/before-search-1440.png
new file mode 100644
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diff --git a/apps/presentation/dashboard/visual-evidence/research-search/first-1440.png b/apps/presentation/dashboard/visual-evidence/research-search/first-1440.png
new file mode 100644
index 0000000000..b608ecc372
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diff --git a/apps/presentation/dashboard/visual-evidence/research-search/first-390.png b/apps/presentation/dashboard/visual-evidence/research-search/first-390.png
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diff --git a/examples/personal-workspace-browser/research-display-language.mjs b/examples/personal-workspace-browser/research-display-language.mjs
index 8d22274f2b..7a3c04634c 100644
--- a/examples/personal-workspace-browser/research-display-language.mjs
+++ b/examples/personal-workspace-browser/research-display-language.mjs
@@ -193,6 +193,34 @@ export const researchDisplayLanguageScenario = {
         assert(await allRecords.locator("li").first().evaluate(element => parseFloat(getComputedStyle(element).fontSize) >= 16), "Expanded history uses readable body typography");
         assert(!await allRecords.innerText().then(text => text.includes("Input revision:")), "Serialized source labels stay inside original view");
         const search = allRecords.getByRole("searchbox", {name: "搜索研究记录"});
+        const downloadRecords = async () => {
+          const download = page.waitForEvent("download");
+          await allRecords.getByRole("button", {name: "下载匹配记录（JSON）", exact: true}).click();
+          return JSON.parse(await readFile(await (await download).path(), "utf8"));
+        };
+        const originalsExport = await downloadRecords();
+        await search.fill("V18 是否在固定预算");
+        await allRecords.evaluate(element => element.scrollIntoView({block: "start"}));
+        await page.screenshot({path: resolve(outputDir, `research-translated-search-title-${width}.png`), animations: "disabled"});
+        await allRecords.getByRole("status", {name: /^匹配 1 \/ 30 条已读记录/}).waitFor();
+        assert.equal(await allRecords.locator(".research-history-records > li").count(), 1, "Displayed Chinese titles are searchable");
+        const finding = capture.events.find(event => event.event_kind === "finding");
+        await search.fill(`第4次尝试 ${finding.event_id}`);
+        await allRecords.getByRole("status", {name: /^匹配 1 \/ 30 条已读记录/}).waitFor();
+        const translatedFinding = allRecords.locator(".research-history-records > li").first();
+        await translatedFinding.locator(":scope > details > summary").click();
+        assert.match(await translatedFinding.innerText(), /实测变化为 -0.25ms/);
+        const exported = await downloadRecords();
+        assert.deepEqual(exported.records, originalsExport.records.filter(event => event.event_id === finding.event_id),
+          "Chinese matching downloads the original event, not translated prose");
+        await page.screenshot({path: resolve(outputDir, `research-translated-search-body-${width}.png`), animations: "disabled"});
+        await search.fill(`核对原始证据 ${finding.event_id}`);
+        await allRecords.getByRole("status", {name: /^匹配 1 \/ 30 条已读记录/}).waitFor();
+        await original.click();
+        await allRecords.getByRole("status", {name: /^匹配 0 \/ 30 条已读记录/}).waitFor();
+        assert.equal(await search.inputValue(), `核对原始证据 ${finding.event_id}`, "Original view retains the query but removes translation-only matches");
+        await history.getByRole("button", {name: "查看译文", exact: true}).click();
+        await allRecords.getByRole("status", {name: /^匹配 1 \/ 30 条已读记录/}).waitFor();
         await search.fill(capture.events[0].title);
         assert.equal(await allRecords.locator(".research-history-records > li").count(), 1, "Search matches original text while translations are displayed");
         const record = allRecords.locator(".research-history-records > li").first();
@@ -267,6 +295,14 @@ export const researchDisplayLanguageScenario = {
         await scope.selectOption({label: "其他来源"});
         await history.getByText("译文版本不适用，显示原文", {exact: true}).waitFor();
         assert.match(await history.locator(".research-route-caption").first().innerText(), /Does V18/);
+        await allRecords.locator(":scope > summary").click();
+        await search.fill("V18 是否在固定预算");
+        await allRecords.getByRole("status", {name: /^匹配 0 \/ 30 条已读记录/}).waitFor();
+        await search.fill(capture.events[0].title);
+        await allRecords.getByRole("status", {name: /^匹配 1 \/ 30 条已读记录/}).waitFor();
+        assert.equal(await allRecords.locator(".research-history-records > li strong").first().innerText(), capture.events[0].title,
+          "A mismatched source cannot retain the previous translation's search aliases");
+        await allRecords.locator(":scope > summary").click();
         await scope.selectOption({label: "完整固定快照"});
         await original.waitFor();
         await page.reload({waitUntil: "domcontentloaded"}); await original.waitFor();