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/utils/reasoningContentInjector.js

@@ -16,8 +16,10 @@ const MODEL_RULES = [
 ];
 
 function shouldInject(message, scope) {
-  if (message?.role !== "assistant" || "reasoning_content" in message) return false;
-  if (scope === "toolCalls") return Array.isArray(message.tool_calls);
+  if (message?.role !== "assistant") return false;
+  const rc = message.reasoning_content;
+  if (typeof rc === "string" && rc.length > 0) return false;
+  if (scope === "toolCalls") return Array.isArray(message.tool_calls) && message.tool_calls.length > 0;
   return true;
 }