diff --git a/.github/workflows/release-tauri.yml b/.github/workflows/release-tauri.yml
index 2c3588c8..bd4124d5 100644
--- a/.github/workflows/release-tauri.yml
+++ b/.github/workflows/release-tauri.yml
@@ -187,6 +187,33 @@ jobs:
           TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
         run: bash scripts/build-mac.sh
 
+      # ── Windows：先 build OpenLessIme.dll(x64+x86)，再跑 tauri bundle。
+      #    openless-ime.wxs 用 $(env.OPENLESS_IME_DLL_X64) / _X86 拿绝对路径，
+      #    跨 candle/light cwd 都能 resolve（Tauri wix bundler cwd 不固定）。
+      - name: Build Windows IME native DLLs
+        if: matrix.platform == 'windows-latest'
+        shell: pwsh
+        working-directory: 'openless-all/app'
+        run: |
+          $appRoot = (Resolve-Path .).Path
+          foreach ($t in @(
+            @{ Platform = 'x64';   Folder = 'x64'; EnvName = 'OPENLESS_IME_DLL_X64' },
+            @{ Platform = 'Win32'; Folder = 'x86'; EnvName = 'OPENLESS_IME_DLL_X86' }
+          )) {
+            $out = Join-Path $appRoot "src-tauri\target\windows-ime-msvc\$($t.Folder)\Release"
+            $obj = Join-Path $appRoot "src-tauri\target\windows-ime-msvc\obj\$($t.Folder)\Release"
+            ./scripts/windows-ime-build.ps1 -Configuration Release -Platform $t.Platform -OutputDirectory $out -IntermediateDirectory $obj
+            if ($LASTEXITCODE -ne 0) {
+              throw "OpenLessIme $($t.Platform) build failed with exit $LASTEXITCODE"
+            }
+            $dll = (Resolve-Path (Join-Path $out 'OpenLessIme.dll')).Path
+            if (-not (Test-Path $dll)) {
+              throw "OpenLessIme.dll not produced at $dll"
+            }
+            "$($t.EnvName)=$dll" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8
+            Write-Host "[ok] built $dll (exported $($t.EnvName))"
+          }
+
       # ── Windows：仅 Windows 跑通用 tauri build（Linux 用下方专用 step，避免重复构建）──
       - name: Build (Windows)
         if: matrix.platform == 'windows-latest'
diff --git a/openless-all/app/package-lock.json b/openless-all/app/package-lock.json
index a2085ffa..d082a3b9 100644
--- a/openless-all/app/package-lock.json
+++ b/openless-all/app/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "openless-app",
-  "version": "1.2.13",
+  "version": "1.2.14",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "openless-app",
-      "version": "1.2.13",
+      "version": "1.2.14",
       "dependencies": {
         "@tauri-apps/api": "^2.1.1",
         "@tauri-apps/plugin-autostart": "^2.5.1",
diff --git a/openless-all/app/package.json b/openless-all/app/package.json
index 0a243db6..efab67f3 100644
--- a/openless-all/app/package.json
+++ b/openless-all/app/package.json
@@ -1,7 +1,7 @@
 {
   "name": "openless-app",
   "private": true,
-  "version": "1.2.13",
+  "version": "1.2.14",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/openless-all/app/src-tauri/Cargo.lock b/openless-all/app/src-tauri/Cargo.lock
index cf0dc120..9e4ca497 100644
--- a/openless-all/app/src-tauri/Cargo.lock
+++ b/openless-all/app/src-tauri/Cargo.lock
@@ -3281,7 +3281,7 @@ dependencies = [
 
 [[package]]
 name = "openless"
-version = "1.2.13"
+version = "1.2.14"
 dependencies = [
  "anyhow",
  "arboard",
diff --git a/openless-all/app/src-tauri/Cargo.toml b/openless-all/app/src-tauri/Cargo.toml
index b39e017d..5983378e 100644
--- a/openless-all/app/src-tauri/Cargo.toml
+++ b/openless-all/app/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "openless"
-version = "1.2.13"
+version = "1.2.14"
 description = "OpenLess — local voice input that types where your cursor is"
 authors = ["OpenLess"]
 edition = "2021"
diff --git a/openless-all/app/src-tauri/tauri.conf.json b/openless-all/app/src-tauri/tauri.conf.json
index d80ab3c7..30cff677 100644
--- a/openless-all/app/src-tauri/tauri.conf.json
+++ b/openless-all/app/src-tauri/tauri.conf.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "OpenLess",
-  "version": "1.2.13",
+  "version": "1.2.14",
   "identifier": "com.openless.app",
   "build": {
     "beforeDevCommand": "npm run dev",
diff --git a/openless-all/app/src-tauri/wix/openless-ime.wxs b/openless-all/app/src-tauri/wix/openless-ime.wxs
index f7571a1b..027c22b1 100644
--- a/openless-all/app/src-tauri/wix/openless-ime.wxs
+++ b/openless-all/app/src-tauri/wix/openless-ime.wxs
@@ -5,12 +5,12 @@
       <Directory Id="OpenLessImeDirectory" Name="windows-ime">
         <Directory Id="OpenLessImeX64Directory" Name="x64">
           <Component Id="OpenLessImeDllX64Component" Guid="{B787DE6F-DF71-4D68-9DE8-04D3665A26F3}" Win64="yes">
-            <File Id="OpenLessImeDllX64" Name="OpenLessIme.dll" Source="src-tauri\target\windows-ime-msvc\x64\Release\OpenLessIme.dll" KeyPath="yes" />
+            <File Id="OpenLessImeDllX64" Name="OpenLessIme.dll" Source="$(env.OPENLESS_IME_DLL_X64)" KeyPath="yes" />
           </Component>
         </Directory>
         <Directory Id="OpenLessImeX86Directory" Name="x86">
           <Component Id="OpenLessImeDllX86Component" Guid="{A2E61B9A-4034-4ABF-A42F-964A9B1F08BB}" Win64="no">
-            <File Id="OpenLessImeDllX86" Name="OpenLessIme.dll" Source="src-tauri\target\windows-ime-msvc\x86\Release\OpenLessIme.dll" KeyPath="yes" />
+            <File Id="OpenLessImeDllX86" Name="OpenLessIme.dll" Source="$(env.OPENLESS_IME_DLL_X86)" KeyPath="yes" />
           </Component>
         </Directory>
       </Directory>
diff --git a/openless-all/app/src/components/FloatingShell.tsx b/openless-all/app/src/components/FloatingShell.tsx
index 5537bfc2..1d9f2fe3 100644
--- a/openless-all/app/src/components/FloatingShell.tsx
+++ b/openless-all/app/src/components/FloatingShell.tsx
@@ -260,6 +260,14 @@ function FloatingShellBody({ os, initialTab, initialSettings }: { os: OS; initia
                     两列内部各自的 overflow:auto 才能独立滚动 */}
             <div
               key={displayTab}
+              // issue #243：所有 tab 都允许 overflow:auto，让窗口被压缩 / 文案
+              //   变长时仍可触达底部内容（Codex P1：之前 overview 用 hidden
+              //   会让缩窗后 Recent 卡彻底不可见）。
+              //   - Overview 借 Overview.tsx 内部 flex 把底部行 grow 到撑满，
+              //     正常尺寸下内容刚好占满 → 浏览器自动不显示 scrollbar；
+              //     真挤不下了才 fallback 出细滚动条。
+              //   - 其他 tab 同样走细滚动条。
+              className="ol-thinscroll"
               style={{
                 flex: 1, minHeight: 0,
                 overflow: 'auto',
diff --git a/openless-all/app/src/components/SettingsModal.tsx b/openless-all/app/src/components/SettingsModal.tsx
index dcf04656..d32a4295 100644
--- a/openless-all/app/src/components/SettingsModal.tsx
+++ b/openless-all/app/src/components/SettingsModal.tsx
@@ -164,7 +164,7 @@ export function SettingsModal({ os: _os, onClose, initialSettingsSection }: Sett
             </div>
           ) : (
             // personalize / about 短内容：单一 scroll wrapper，超出时本块滚动。
-            <div style={{ flex: 1, minHeight: 0, overflow: 'auto', padding: '10px 28px 28px' }}>
+            <div className="ol-thinscroll" style={{ flex: 1, minHeight: 0, overflow: 'auto', padding: '10px 28px 28px' }}>
               {section === 'personalize' && <PersonalizeSection />}
               {section === 'about' && <AboutMini />}
             </div>
diff --git a/openless-all/app/src/lib/qaMarkdown.test.ts b/openless-all/app/src/lib/qaMarkdown.test.ts
new file mode 100644
index 00000000..77638c09
--- /dev/null
+++ b/openless-all/app/src/lib/qaMarkdown.test.ts
@@ -0,0 +1,34 @@
+import { renderQaMarkdown } from './qaMarkdown';
+
+function assertIncludes(text: string, expected: string, name: string) {
+  if (!text.includes(expected)) {
+    throw new Error(`${name}: expected to include "${expected}", got "${text}"`);
+  }
+}
+
+function assertNotIncludes(text: string, expected: string, name: string) {
+  if (text.includes(expected)) {
+    throw new Error(`${name}: expected not to include "${expected}", got "${text}"`);
+  }
+}
+
+const htmlEscaped = renderQaMarkdown('<img src=x onerror=alert(1)><script>alert(1)</script>');
+assertIncludes(htmlEscaped, '&lt;img src=x onerror=alert(1)&gt;', 'raw html should be escaped');
+assertNotIncludes(htmlEscaped, '<script>', 'script tag should not be rendered');
+assertNotIncludes(htmlEscaped, '<img src=x onerror=alert(1)>', 'raw html img should not become live dom tag');
+
+const badHref = renderQaMarkdown('[xss](javascript:alert(1))');
+assertNotIncludes(badHref, 'href="javascript:alert(1)"', 'javascript href should be dropped');
+
+const goodMarkdown = renderQaMarkdown('**bold**\n\n- a\n- b\n\n`code`\n\n[ok](https://example.com)');
+assertIncludes(goodMarkdown, '<strong>bold</strong>', 'bold markdown should render');
+assertIncludes(goodMarkdown, '<li>a</li>', 'list markdown should render');
+assertIncludes(goodMarkdown, '<code>code</code>', 'code markdown should render');
+assertIncludes(goodMarkdown, 'href="https://example.com"', 'safe link should render');
+
+const safeQueryLink = renderQaMarkdown('[ok](https://example.com?a=1&b=2)');
+assertIncludes(safeQueryLink, 'href="https://example.com?a=1&amp;b=2"', 'safe query link should keep a single escaped ampersand');
+
+const codeSnippet = renderQaMarkdown('`<div class=\"x\">`');
+assertIncludes(codeSnippet, '&lt;div class=&quot;x&quot;&gt;', 'inline code should stay single-escaped');
+assertNotIncludes(codeSnippet, '&amp;lt;', 'inline code should not be double-escaped');
diff --git a/openless-all/app/src/lib/qaMarkdown.ts b/openless-all/app/src/lib/qaMarkdown.ts
new file mode 100644
index 00000000..0f9d7c06
--- /dev/null
+++ b/openless-all/app/src/lib/qaMarkdown.ts
@@ -0,0 +1,65 @@
+import { marked } from 'marked';
+
+const SAFE_LINK_PROTOCOLS = new Set(['http:', 'https:', 'mailto:', 'tel:']);
+
+function escapeHtml(raw: string): string {
+  return raw
+    .replace(/&/g, '&amp;')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&#39;');
+}
+
+function decodeHtmlEntities(raw: string): string {
+  return raw
+    .replace(/&amp;/g, '&')
+    .replace(/&quot;/g, '"')
+    .replace(/&#39;/g, "'")
+    .replace(/&lt;/g, '<')
+    .replace(/&gt;/g, '>');
+}
+
+function normalizeHref(href: string | null | undefined): string | null {
+  if (!href) return null;
+  const trimmed = href.trim();
+  if (!trimmed) return null;
+  if (trimmed.startsWith('#')) return trimmed;
+  try {
+    const url = new URL(trimmed, 'https://openless.local/');
+    if (!SAFE_LINK_PROTOCOLS.has(url.protocol)) return null;
+    return trimmed;
+  } catch {
+    return null;
+  }
+}
+
+const QA_MARKDOWN_RENDERER = new marked.Renderer();
+QA_MARKDOWN_RENDERER.html = (html: string) => escapeHtml(html);
+QA_MARKDOWN_RENDERER.link = (href: string | null, title: string | null, text: string) => {
+  const safeHref = normalizeHref(decodeHtmlEntities(href ?? ''));
+  if (!safeHref) return `<span>${text}</span>`;
+  const titleAttr = title ? ` title="${escapeHtml(title)}"` : '';
+  return `<a href="${escapeHtml(safeHref)}"${titleAttr} target="_blank" rel="noreferrer noopener">${text}</a>`;
+};
+QA_MARKDOWN_RENDERER.image = (href: string | null, title: string | null, text: string) => {
+  const safeHref = normalizeHref(decodeHtmlEntities(href ?? ''));
+  if (!safeHref) return '';
+  const titleAttr = title ? ` title="${escapeHtml(title)}"` : '';
+  const alt = escapeHtml(text || '');
+  return `<img src="${escapeHtml(safeHref)}" alt="${alt}"${titleAttr} loading="lazy" />`;
+};
+
+export function renderQaPlainText(raw: string): string {
+  return `<pre>${escapeHtml(raw)}</pre>`;
+}
+
+export function renderQaMarkdown(markdown: string): string {
+  // 保留 markdown 语义（尤其代码块），但把 raw HTML token 转义为纯文本，避免注入。
+  return marked.parse(markdown, {
+    async: false,
+    gfm: true,
+    breaks: true,
+    renderer: QA_MARKDOWN_RENDERER,
+  }) as string;
+}
diff --git a/openless-all/app/src/pages/History.tsx b/openless-all/app/src/pages/History.tsx
index 5a4b8b23..2299461b 100644
--- a/openless-all/app/src/pages/History.tsx
+++ b/openless-all/app/src/pages/History.tsx
@@ -126,7 +126,7 @@ export function History() {
               ))}
             </div>
           </div>
-          <div style={{ flex: 1, overflow: 'auto', padding: 6 }}>
+          <div className="ol-thinscroll" style={{ flex: 1, overflow: 'auto', padding: 6 }}>
             {loading && <div style={{ padding: 16, fontSize: 12, color: 'var(--ol-ink-4)' }}>{t('common.loading')}</div>}
             {!loading && filtered.length === 0 && (
               <div style={{ padding: 16, fontSize: 12, color: 'var(--ol-ink-4)' }}>
@@ -164,7 +164,7 @@ export function History() {
           </div>
         </Card>
 
-        <Card padding={20} style={{ overflow: 'auto' }}>
+        <Card padding={20} className="ol-thinscroll" style={{ overflow: 'auto' }}>
           {item ? (
             <>
               <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 14 }}>
diff --git a/openless-all/app/src/pages/Overview.tsx b/openless-all/app/src/pages/Overview.tsx
index e63940a1..4a97ee1a 100644
--- a/openless-all/app/src/pages/Overview.tsx
+++ b/openless-all/app/src/pages/Overview.tsx
@@ -94,8 +94,11 @@ export function Overview({ onOpenHistory }: OverviewProps) {
         <Metric icon="bolt" label={t('overview.metricTotal')} value={String(history.length)} trend={t('overview.metricTotalTrend')} accent />
       </div>
 
-      <div style={{ display: 'grid', gridTemplateColumns: '1fr 1.4fr', gap: 12 }}>
-        <Card padding={18}>
+      {/* 底部一行 = flex:1 撑满剩余高度（父 wrapper 是 display:flex/column）。
+          只有「最近识别」内部允许滚动；其他卡片按内容自然高度，不破裂底部圆角。
+          issue #243 follow-up：去掉外层 overflow 后底部圆角被裁的视觉问题。 */}
+      <div style={{ display: 'grid', gridTemplateColumns: '1fr 1.4fr', gap: 12, flex: 1, minHeight: 0 }}>
+        <Card padding={18} style={{ display: 'flex', flexDirection: 'column', minHeight: 0 }}>
           <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 14 }}>
             <span style={{ fontSize: 12, fontWeight: 600, color: 'var(--ol-ink-2)' }}>{t('overview.weekTitle')}</span>
             <span style={{ fontSize: 11, color: 'var(--ol-ink-4)' }}>{t('overview.weekUnit')}</span>
@@ -106,12 +109,12 @@ export function Overview({ onOpenHistory }: OverviewProps) {
           </div>
         </Card>
 
-        <Card padding={0}>
-          <div style={{ padding: '14px 18px', borderBottom: '0.5px solid var(--ol-line)', display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
+        <Card padding={0} style={{ display: 'flex', flexDirection: 'column', minHeight: 0, overflow: 'hidden' }}>
+          <div style={{ padding: '14px 18px', borderBottom: '0.5px solid var(--ol-line)', display: 'flex', alignItems: 'center', justifyContent: 'space-between', flexShrink: 0 }}>
             <span style={{ fontSize: 12, fontWeight: 600, color: 'var(--ol-ink-2)' }}>{t('overview.recentTitle')}</span>
             <Btn size="sm" variant="ghost" onClick={onOpenHistory}>{t('overview.recentAll')}</Btn>
           </div>
-          <div>
+          <div className="ol-thinscroll" style={{ flex: 1, minHeight: 0, overflow: 'auto' }}>
             {history.length === 0 && (
               <div style={{ padding: 24, textAlign: 'center', fontSize: 12, color: 'var(--ol-ink-4)' }}>
                 {t('overview.recentEmpty', { trigger: getHotkeyBindingLabel(hotkey) })}
diff --git a/openless-all/app/src/pages/QaPanel.tsx b/openless-all/app/src/pages/QaPanel.tsx
index 00261951..e90c0812 100644
--- a/openless-all/app/src/pages/QaPanel.tsx
+++ b/openless-all/app/src/pages/QaPanel.tsx
@@ -12,15 +12,13 @@
 
 import { useEffect, useMemo, useRef, useState, type CSSProperties } from 'react';
 import { useTranslation } from 'react-i18next';
-import { marked } from 'marked';
 import { getSettings, isTauri, qaWindowDismiss, qaWindowPin } from '../lib/ipc';
 import type { QaChatMessage, QaStatePayload, UserPreferences } from '../lib/types';
 import { getHotkeyBindingLabel } from '../lib/hotkey';
+import { renderQaMarkdown, renderQaPlainText } from '../lib/qaMarkdown';
 
 const SELECTION_PREVIEW_MAX = 60;
 
-marked.setOptions({ gfm: true, breaks: true });
-
 type Status = 'idle' | 'recording' | 'thinking' | 'error';
 
 export function QaPanel() {
@@ -405,10 +403,10 @@ function MessageRow({ message }: { message: QaChatMessage }) {
   const html = useMemo(() => {
     if (message.role !== 'assistant') return '';
     try {
-      return marked.parse(message.content, { async: false }) as string;
+      return renderQaMarkdown(message.content);
     } catch (error) {
       console.error('[qa] failed to render markdown', error);
-      return message.content;
+      return renderQaPlainText(String(message.content ?? ''));
     }
   }, [message.content, message.role]);
 
@@ -445,10 +443,10 @@ function MessageRow({ message }: { message: QaChatMessage }) {
 function StreamingAssistantBubble({ markdown }: { markdown: string }) {
   const html = useMemo(() => {
     try {
-      return marked.parse(markdown, { async: false }) as string;
+      return renderQaMarkdown(markdown);
     } catch (error) {
       console.error('[qa] failed to render streaming markdown', error);
-      return markdown;
+      return renderQaPlainText(String(markdown ?? ''));
     }
   }, [markdown]);
   return (
diff --git a/openless-all/app/src/pages/Settings.tsx b/openless-all/app/src/pages/Settings.tsx
index 50609408..862d74a3 100644
--- a/openless-all/app/src/pages/Settings.tsx
+++ b/openless-all/app/src/pages/Settings.tsx
@@ -117,6 +117,7 @@ export function Settings({ embedded = false, initialSection = 'recording' }: Set
           ))}
         </div>
         <div
+          className={embedded ? 'ol-thinscroll' : undefined}
           style={{
             display: 'flex',
             flexDirection: 'column',
diff --git a/openless-all/app/src/pages/_atoms.tsx b/openless-all/app/src/pages/_atoms.tsx
index 42227302..0648ac9a 100644
--- a/openless-all/app/src/pages/_atoms.tsx
+++ b/openless-all/app/src/pages/_atoms.tsx
@@ -32,11 +32,13 @@ interface CardProps {
   style?: CSSProperties;
   padding?: number;
   glassy?: boolean;
+  className?: string;
 }
 
-export function Card({ children, style, padding = 18, glassy = false }: CardProps) {
+export function Card({ children, style, padding = 18, glassy = false, className }: CardProps) {
   return (
     <div
+      className={className}
       style={{
         background: glassy ? 'rgba(255,255,255,0.55)' : 'var(--ol-surface)',
         backdropFilter: glassy ? 'blur(20px) saturate(160%)' : undefined,
diff --git a/openless-all/app/src/styles/tokens.css b/openless-all/app/src/styles/tokens.css
index 47ca1a6e..da26024f 100755
--- a/openless-all/app/src/styles/tokens.css
+++ b/openless-all/app/src/styles/tokens.css
@@ -78,6 +78,16 @@ body {
 .ol-noscrollbar::-webkit-scrollbar { display: none; }
 .ol-noscrollbar { scrollbar-width: none; }
 
+/* Thin scrollbar — 细而可见，保留"可以滚"的可见性，但不抢眼。issue #243 */
+.ol-thinscroll::-webkit-scrollbar { width: 6px; height: 6px; }
+.ol-thinscroll::-webkit-scrollbar-track { background: transparent; }
+.ol-thinscroll::-webkit-scrollbar-thumb {
+  background: rgba(0, 0, 0, 0.18);
+  border-radius: 3px;
+}
+.ol-thinscroll::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.28); }
+.ol-thinscroll { scrollbar-width: thin; scrollbar-color: rgba(0, 0, 0, 0.18) transparent; }
+
 /* Glass surface */
 .ol-glass {
   background: var(--ol-glass-bg);