feat: add STT support, Gemini TTS, and expand usage tracking

- Speech-to-Text: full pipeline with sttCore handler, /v1/audio/transcriptions
  endpoint, sttConfig for OpenAI, Gemini, Groq, Deepgram, AssemblyAI,
  HuggingFace, NVIDIA Parakeet; new 9router-stt skill
- Gemini TTS: add gemini provider with 30 prebuilt voices and TTS_PROVIDER_CONFIG
- Usage: implement GLM (intl/cn) and MiniMax (intl/cn) quota fetchers; refactor
  Gemini CLI usage to use retrieveUserQuota with per-model buckets
- Disabled models: lowdb-backed disabledModelsDb + /api/models/disabled route
- Header search: reusable Zustand store (headerSearchStore) wired into Header
- CLI tools: add Claude Cowork tool card and cowork-settings API
- Providers: introduce mediaPriority sorting in getProvidersByKind, add
  Kimi K2.6, reorder hermes, drop qwen STT kind
- UI: expand media-providers/[kind]/[id] page (+314), enhance OAuthModal,
  ModelSelectModal, ProviderTopology, ProxyPools, ProviderLimits
- Assets: refresh provider PNGs (alicode, byteplus, cloudflare-ai, nvidia,
  ollama, vertex, volcengine-ark) and add aws-polly, fal-ai, jina-ai, recraft,
  runwayml, stability-ai, topaz, black-forest-labs

src/app/api/media-providers/tts/voices/route.js

@@ -33,6 +33,7 @@ export async function GET(request) {
 
     // ElevenLabs requires API key
     const raw = provider === "elevenlabs" ? await fetcher(apiKey) : await fetcher();
+    const useElevenShape = provider === "elevenlabs" || provider === "gemini";
     let voices;
 
     if (provider === "local-device") {
@@ -46,7 +47,7 @@ export async function GET(request) {
         langName:    langName(v.lang),
         gender:  v.gender,
       }));
-    } else if (provider === "elevenlabs") {
+    } else if (useElevenShape) {
       voices = raw.map((v) => ({
         id:      v.voice_id,
         name:    v.name,