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/(dashboard)/dashboard/providers/components/ModelsCard.js

@@ -165,7 +165,10 @@ export default function ModelsCard({ providerId, kindFilter, providerAliasOverri
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({ providerAlias, id: modelId, type: effectiveType }),
       });
-      if (res.ok) await fetchData();
+      if (res.ok) {
+        await fetchData();
+        window.dispatchEvent(new CustomEvent("customModelChanged"));
+      }
     } catch (e) { console.log("add custom model error:", e); }
   };
 
@@ -173,7 +176,10 @@ export default function ModelsCard({ providerId, kindFilter, providerAliasOverri
     try {
       const params = new URLSearchParams({ providerAlias, id: modelId, type: effectiveType });
       const res = await fetch(`/api/models/custom?${params}`, { method: "DELETE" });
-      if (res.ok) await fetchData();
+      if (res.ok) {
+        await fetchData();
+        window.dispatchEvent(new CustomEvent("customModelChanged"));
+      }
     } catch (e) { console.log("delete custom model error:", e); }
   };