feat: add Russian localization and independent STT languages

components/model-picker.tsx

@@ -1,4 +1,6 @@
 "use client";
+import { useI18n } from "@/components/i18n";
+
 
 import { useCallback, useEffect, useRef, useState } from "react";
 import type { ChatSettings, ModelCatalogEntry, ModelCatalogResponse, ModelsSettings, UserSettings } from "@/src/core";
@@ -82,6 +84,7 @@ export function catalogLimits(catalog: Pick<ModelCatalogResponse, "models">): Ma
  * no-factory-fallback language: the UI never presents a default model).
  */
 export function ModelControl({ chatId, onModelChange }: { chatId?: string; onModelChange?: (model: string | undefined) => void }) {
+	const { t } = useI18n();
 	const { catalog, refresh } = useModelCatalog();
 	const [models, setModels] = useState<ModelsSettings | undefined>();
 	const [session, setSession] = useState<ChatSettings | undefined>();
@@ -318,7 +321,7 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 				// Trimmed (owner, subtlety round 2026-09-25): "Model selector"
 				// — the long sentence was way too much. ⌘K opens this same
 				// menu (registry, override-aware).
-				label="Model selector"
+				label={t("Model selector")}
 				action="open-model-picker"
 				side="bottom"
 			>
@@ -341,7 +344,7 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 				// "Thinking" + its real shortcut via the registry (owner interlude
 				// 2026-09-25): ⇧⇥ cycles the level, so "Thinking (⇧⇥)" —
 				// rebind-live like every Hint suffix.
-				label="Thinking"
+				label={t("Thinking")}
 				action="cycle-thinking"
 				side="bottom"
 			>
@@ -364,7 +367,7 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 				{/* Just the level — the button reads like the model button reads
 				   the model name (owner, stats-control round 1). */}
 				<span className="text-card-foreground">
-					{effectiveLevel === undefined ? "—" : (THINKING_LABEL[effectiveLevel] ?? effectiveLevel)}
+					{effectiveLevel === undefined ? "—" : t(THINKING_LABEL[effectiveLevel] ?? effectiveLevel)}
 				</span>
 				<span aria-hidden className="text-xs text-muted-foreground">▾</span>
 			</button>
@@ -380,7 +383,7 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 					preferredSide="up"
 					menuClass="flex w-[22rem] flex-col rounded-xl border bg-card p-2 text-xs shadow-xl"
 				>
-					{error && <div className="mb-1.5 text-destructive">{error}</div>}
+					{error && <div className="mb-1.5 text-destructive">{t(error)}</div>}
 					<ModelMenuList
 						models={catalog?.models}
 						effectiveId={effectiveId}
@@ -388,10 +391,10 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 						onPick={pickModel}
 						footer={
 							catalog && catalog.models.length === 0
-								? "No models — add a provider key in Keys"
+								? t("No models — add a provider key in Keys")
 								: chatId
-									? "This session's model"
-									: "Strong tier — the default for new sessions"
+									? t("This session's model")
+									: t("Strong tier — the default for new sessions")
 						}
 					/>
 				</MenuShell>
@@ -408,10 +411,10 @@ export function ModelControl({ chatId, onModelChange }: { chatId?: string; onMod
 						levels={catalog ? levels : []}
 						effectiveLevel={effectiveLevel}
 						onPick={(level) => apply(effectiveProvider ?? "", effectiveId ?? "", level as ThinkingLevel)}
-						empty={catalog ? (effectiveId ? `${prettyModel(effectiveId)} has no thinking levels.` : "Pick a model first.") : "Loading…"}
-						footer="Levels this model actually supports"
+						empty={catalog ? (effectiveId ? t("{v0} has no thinking levels.", { v0: prettyModel(effectiveId) }) : t("Pick a model first.")) : t("Loading…")}
+						footer={t("Levels this model actually supports")}
 					/>
-					{error && <div className="mt-1 text-destructive">{error}</div>}
+					{error && <div className="mt-1 text-destructive">{t(error)}</div>}
 				</MenuShell>
 			)}
 		</div>