add structured logging with timestamps for docker/unraid log viewer

all server output now prefixed with ISO timestamp and level [INFO/WARN/ERROR].
logs requests, scan start/complete, job lifecycle, errors. skips noisy SSE
endpoints.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/index.tsx

@@ -2,6 +2,7 @@ import { Hono } from 'hono';
 import { serveStatic } from 'hono/bun';
 import { cors } from 'hono/cors';
 import { getDb, getConfig } from './db/index';
+import { log } from './lib/log';
 
 import setupRoutes from './api/setup';
 import scanRoutes from './api/scan';
@@ -17,6 +18,17 @@ const app = new Hono();
 
 app.use('/api/*', cors({ origin: ['http://localhost:5173', 'http://localhost:3000'] }));
 
+// ─── Request logging ──────────────────────────────────────────────────────────
+
+app.use('/api/*', async (c, next) => {
+	const start = Date.now();
+	await next();
+	const ms = Date.now() - start;
+	// Skip noisy SSE/polling endpoints
+	if (c.req.path.endsWith('/events')) return;
+	log(`${c.req.method} ${c.req.path} → ${c.res.status} (${ms}ms)`);
+});
+
 // ─── API routes ───────────────────────────────────────────────────────────────
 
 import pkg from '../package.json';
@@ -54,7 +66,7 @@ app.get('*', (c) => {
 
 const port = Number(process.env.PORT ?? '3000');
 
-console.log(`netfelix-audio-fix API on http://localhost:${port}`);
+log(`netfelix-audio-fix v${pkg.version} starting on http://localhost:${port}`);
 
 getDb();