OpenCode
02fc536e85
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.
43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
/**
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* MCP servers communicate over stdio, so ALL logs must go to stderr.
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* Never write logs to stdout — it corrupts the JSON-RPC stream.
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*/
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type Level = 'debug' | 'info' | 'warn' | 'error';
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const LEVELS: Record<Level, number> = { debug: 10, info: 20, warn: 30, error: 40 };
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function currentThreshold(): number {
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const env = (process.env.NEXUS_LOG_LEVEL || 'info').toLowerCase() as Level;
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return LEVELS[env] ?? LEVELS.info;
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}
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function emit(level: Level, scope: string, message: string, extra?: unknown): void {
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if (LEVELS[level] < currentThreshold()) return;
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const ts = new Date().toISOString();
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let line = `[${ts}] ${level.toUpperCase()} (${scope}) ${message}`;
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if (extra !== undefined) {
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try {
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line += ` ${typeof extra === 'string' ? extra : JSON.stringify(extra)}`;
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} catch {
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line += ' [unserializable extra]';
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}
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}
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process.stderr.write(line + '\n');
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}
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export interface Logger {
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debug(message: string, extra?: unknown): void;
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info(message: string, extra?: unknown): void;
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warn(message: string, extra?: unknown): void;
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error(message: string, extra?: unknown): void;
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}
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export function createLogger(scope: string): Logger {
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return {
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debug: (m, e) => emit('debug', scope, m, e),
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info: (m, e) => emit('info', scope, m, e),
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warn: (m, e) => emit('warn', scope, m, e),
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error: (m, e) => emit('error', scope, m, e),
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};
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}
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