Add a setting to always use Chinese/English punctuation.

ui-html/webview2/settings/ime-settings/src/modules/config-sync.ts

@@ -100,6 +100,11 @@ function applyConfigData(data: Record<string, any>): void {
   if (typeof data?.input?.paired_punctuation === 'boolean') {
     applyToggleState('pairedPunctuationToggleBtn', data.input.paired_punctuation);
   }
+  if (data?.input?.punctuation_lock === 'chinese' || data?.input?.punctuation_lock === 'english' ||
+      data?.input?.punctuation_lock === 'follow') {
+    applyToggleState('alwaysChinesePunctuationToggleBtn', data.input.punctuation_lock === 'chinese');
+    applyToggleState('alwaysEnglishPunctuationToggleBtn', data.input.punctuation_lock === 'english');
+  }
   if (typeof data?.general?.candidate_translations === 'boolean') {
     applyToggleState('candidateTranslationsToggleBtn', data.general.candidate_translations);
     document.getElementById('candidateTranslationApiOptions')?.classList.toggle(

ui-html/webview2/settings/ime-settings/src/modules/input.ts

@@ -198,6 +198,22 @@ export function setupInput(): void {
   setupToggleButton('wordToCharacterToggleBtn', (active) => {
     updateConfig('input.word_to_character', active);
   });
+  setupToggleButton('alwaysChinesePunctuationToggleBtn', (active) => {
+    if (active) {
+      applyToggleState('alwaysEnglishPunctuationToggleBtn', false);
+      updateConfig('input.punctuation_lock', 'chinese');
+    } else {
+      updateConfig('input.punctuation_lock', 'follow');
+    }
+  });
+  setupToggleButton('alwaysEnglishPunctuationToggleBtn', (active) => {
+    if (active) {
+      applyToggleState('alwaysChinesePunctuationToggleBtn', false);
+      updateConfig('input.punctuation_lock', 'english');
+    } else {
+      updateConfig('input.punctuation_lock', 'follow');
+    }
+  });
   setupToggleButton('smartPunctuationToggleBtn', (active) => {
     updateConfig('input.smart_punctuation', active);
   });

ui-html/webview2/settings/ime-settings/src/partials/input.html

@@ -239,6 +239,28 @@
     </div>
   </div>
 
+  <div class="section punctuation-lock-section">
+    <div class="section-header">
+      <div>
+        <div class="section-title">始终使用中文标点</div>
+        <div class="input-setting-description">切换中英文时仍使用中文标点，与下方选项互斥</div>
+      </div>
+      <div class="ftb-toggle-btn" id="alwaysChinesePunctuationToggleBtn" role="switch" aria-checked="false" tabindex="0">
+        <div class="ftb-toggle-knob"></div>
+      </div>
+    </div>
+    <div class="input-option-divider"></div>
+    <div class="section-header">
+      <div>
+        <div class="section-title">始终使用英文标点</div>
+        <div class="input-setting-description">切换中英文时仍使用英文标点，与上方选项互斥</div>
+      </div>
+      <div class="ftb-toggle-btn" id="alwaysEnglishPunctuationToggleBtn" role="switch" aria-checked="false" tabindex="0">
+        <div class="ftb-toggle-knob"></div>
+      </div>
+    </div>
+  </div>
+
   <div class="section">
     <div class="section-header">
       <div>

ui-html/webview2/settings/ime-settings/src/styles/modules/input.css

@@ -39,6 +39,14 @@
   min-width: 110px;
 }
 
+.punctuation-lock-section .section-header {
+  padding: 4px 0;
+}
+
+.punctuation-lock-section .input-option-divider {
+  margin: 12px 0;
+}
+
 .input-setting-description {
   color: var(--text-muted);
   font-size: 12px;