Add i18n foundation and translations (#1027)

* feat: add i18n foundation

* feat: localize sessions sidebar

* Localize multirun/scheduled tasks and fix dialog dropdown interactions

* localize git sidebar surface and add zh-CN keys

* feat(ui): localize context panel, diff/plan views, and context sidebar content

* fix(config): resolve user config home via fs/home before embedded home

* localize header/chat UI and complete model/worktree panel strings

* localize worktree + github issue/pr dialog flows

* localize settings sections and split settings i18n dictionaries

* localize additional settings sections and sidebars

* localize more settings pages and dialogs

* fix settings select trigger localization

* localize tunnel settings ui surface

* localize additional settings sections

* localize keyboard shortcuts labels in settings

* localize terminal and utility dialogs surfaces

* feat(i18n): localize remaining UI strings

* Add Ukrainian locale

* Add Spanish locale

* Add Brazilian Portuguese locale

* Polish locale translations

packages/ui/src/components/views/GoToLineDialog.tsx

@@ -5,6 +5,7 @@ import { EditorView } from '@codemirror/view';
 
 import { Input } from '@/components/ui/input';
 import { Button } from '@/components/ui/button';
+import { useI18n } from '@/lib/i18n';
 import { cn } from '@/lib/utils';
 
 type GoToLineDialogProps = {
@@ -54,6 +55,7 @@ const moveSelectionToLine = (view: EditorView, lineNumber: number, preferredChar
 };
 
 export function GoToLineDialog({ open, onOpenChange, view, variant = 'overlay' }: GoToLineDialogProps) {
+  const { t } = useI18n();
   const [inputValue, setInputValue] = React.useState('');
   const initialCursorRef = React.useRef<CursorSnapshot | null>(null);
   const committedRef = React.useRef(false);
@@ -165,16 +167,19 @@ export function GoToLineDialog({ open, onOpenChange, view, variant = 'overlay' }
 
   const helperText = React.useMemo(() => {
     if (!view) {
-      return 'Editor unavailable.';
+      return t('goToLineDialog.helper.editorUnavailable');
     }
 
     if (lineNumber === null) {
       const snapshot = initialCursorRef.current ?? getCursorSnapshot(view, view.state.selection);
-      return `Current Line: ${snapshot.lineNumber}. Type a line number between 1 and ${view.state.doc.lines} to navigate to.`;
+      return t('goToLineDialog.helper.currentLineRange', {
+        current: snapshot.lineNumber,
+        max: view.state.doc.lines,
+      });
     }
 
-    return `Go to line ${lineNumber}`;
-  }, [lineNumber, view]);
+    return t('goToLineDialog.helper.goToLine', { line: lineNumber });
+  }, [lineNumber, t, view]);
 
   if (variant === 'inline') {
     if (!open) {
@@ -200,7 +205,7 @@ export function GoToLineDialog({ open, onOpenChange, view, variant = 'overlay' }
               handleSubmit();
             }
           }}
-          placeholder="Line"
+          placeholder={t('goToLineDialog.field.linePlaceholderShort')}
           className="h-6 w-20 rounded-md border-border/70 bg-transparent px-2 typography-meta"
         />
         <Button
@@ -210,7 +215,7 @@ export function GoToLineDialog({ open, onOpenChange, view, variant = 'overlay' }
           disabled={!view || lineNumber === null}
           className="h-6 px-2"
         >
-          Go
+          {t('goToLineDialog.actions.go')}
         </Button>
       </div>
     );
@@ -239,7 +244,7 @@ export function GoToLineDialog({ open, onOpenChange, view, variant = 'overlay' }
               handleSubmit();
             }
           }}
-          placeholder="Line number"
+          placeholder={t('goToLineDialog.field.linePlaceholder')}
           className="h-8 w-full rounded-md border-border/70 bg-background/60 typography-ui-label"
         />
         <div className="mt-2 rounded-md bg-primary/15 px-3 py-1.5 typography-ui-label text-foreground/95">