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

open-sse/handlers/ttsProviders/index.js

@@ -5,6 +5,7 @@ import localDevice, { fetchLocalDeviceVoices } from "./localDevice.js";
 import elevenlabs, { fetchElevenLabsVoices } from "./elevenlabs.js";
 import openai from "./openai.js";
 import openrouter from "./openrouter.js";
+import gemini, { fetchGeminiVoices } from "./gemini.js";
 import { FORMAT_HANDLERS } from "./genericFormats.js";
 import { parseModelVoice } from "./_base.js";
 
@@ -16,6 +17,7 @@ const SPECIAL_ADAPTERS = {
   elevenlabs,
   openai,
   openrouter,
+  gemini,
 };
 
 export function getTtsAdapter(provider) {
@@ -41,7 +43,8 @@ export const VOICE_FETCHERS = {
   "edge-tts": fetchEdgeTtsVoices,
   "local-device": fetchLocalDeviceVoices,
   elevenlabs: fetchElevenLabsVoices,
+  gemini: fetchGeminiVoices,
 };
 
 // Re-export for backward compat
-export { fetchEdgeTtsVoices, fetchLocalDeviceVoices, fetchElevenLabsVoices };
+export { fetchEdgeTtsVoices, fetchLocalDeviceVoices, fetchElevenLabsVoices, fetchGeminiVoices };