Add NexusAI: universal MCP service (TTS/STT/image/video/music/web-search)

Monorepo-lite with shared @nexusai/core and @nexusai/mcp-server (stdio). Provider-agnostic tools with explicit provider selection; NordRouter adapter (media generate/poll/download, estimate, upload, models) and search via perplexity/sonar. Local STT via faster-whisper uv sidecar. SQLite journal of every generation for usage stats and future admin. 10 MCP tools.
2026-08-17 17:06:47 +07:00
parent 82087be1b3
commit 02fc536e85
32 changed files with 3861 additions and 0 deletions
@@ -0,0 +1,46 @@
+import {
+  Journal,
+  MediaStorage,
+  ProviderRegistry,
+  createNordRouterProviders,
+  loadConfig,
+  LocalWhisperProvider,
+  createLogger,
+  type NexusConfig,
+} from '@nexusai/core';
+
+const log = createLogger('context');
+
+export interface AppContext {
+  config: NexusConfig;
+  registry: ProviderRegistry;
+  storage: MediaStorage;
+  journal: Journal;
+}
+
+/**
+ * Wire up all providers, storage and the journal once at startup.
+ */
+export function buildContext(): AppContext {
+  const config = loadConfig();
+  const storage = new MediaStorage(config.mediaDir);
+  const journal = new Journal(config.dbPath);
+  const registry = new ProviderRegistry();
+
+  // NordRouter (media + search). Registered even without a key so error messages
+  // are clear when a tool is actually invoked.
+  try {
+    const nr = createNordRouterProviders({ config: config.nordrouter, storage, save: true });
+    registry.registerMedia(nr.media);
+    registry.registerSearch(nr.search);
+    log.info('registered nordrouter provider (media + search)');
+  } catch (err) {
+    log.warn('nordrouter not registered', err instanceof Error ? err.message : String(err));
+  }
+
+  // Local STT (faster-whisper sidecar).
+  registry.registerStt(new LocalWhisperProvider(config.stt));
+  log.info('registered local STT provider');
+
+  return { config, registry, storage, journal };
+}