Add full shell, replaceable Omics adapter and bilingual interaction

Implement approved specification #32 and tickets #33-#37. Keep host authentication server-verified and pin session interaction language. Compile scoped base selectors for browser compatibility and retain full gutters during CSS pruning.

frontend/src/viewers/CteResultViewer.tsx

@@ -3,6 +3,7 @@ import { SqlViewer, type SqlBlock } from "./SqlViewer";
 import { PreviewGrid } from "./PreviewGrid";
 import { statusBadgeClass } from "./statusBadge";
 import type { CteResultV2 } from "./artifactV2";
+import { useI18n } from "../i18n";
 
 const CHIP = "rounded-md bg-muted px-1.5 py-0.5 font-mono text-xs text-foreground/90";
 
@@ -19,6 +20,7 @@ function testStatus(status: string): SqlBlock["testStatus"] {
 }
 
 export function CteResultViewer({ result }: { result: CteResultV2 }) {
+  const { t } = useI18n();
   const hasPreviewRows = (result.preview?.rows?.length ?? 0) > 0;
   const descriptions = (result.columns ?? []).map((c) => c.description ?? "");
   const showColumns = descriptions.some((d) => d.trim() !== "");
@@ -37,12 +39,12 @@ export function CteResultViewer({ result }: { result: CteResultV2 }) {
           CTE {result.index}/{result.total}
         </Badge>
         <span className="font-mono text-sm font-semibold">{result.name}</span>
-        <Badge variant="outline" className={statusBadgeClass(result.status)}>{statusLabel(result.status)}</Badge>
+        <Badge variant="outline" className={statusBadgeClass(result.status)}>{t(statusLabel(result.status))}</Badge>
         {result.execution_ms !== undefined && (
           <span className="text-xs text-muted-foreground">{result.execution_ms} ms</span>
         )}
         {result.row_sample !== undefined && (
-          <span className="text-xs text-muted-foreground">{result.row_sample} rows</span>
+          <span className="text-xs text-muted-foreground">{t(result.row_sample === 1 ? "{count} row" : "{count} rows", { count: result.row_sample })}</span>
         )}
       </div>
 
@@ -75,7 +77,7 @@ export function CteResultViewer({ result }: { result: CteResultV2 }) {
       {hasPreviewRows ? (
         <PreviewGrid columns={result.preview!.columns} rows={result.preview!.rows} />
       ) : (
-        <p className="text-sm text-muted-foreground">No preview rows</p>
+        <p className="text-sm text-muted-foreground">{t("No preview rows")}</p>
       )}
 
       {showColumns && (