Baseline commit of the existing Maquina Comercial Pessoal project

Tracks the app that was already in place (capture, treatment, outreach,
WhatsApp integration, server, frontend, tests, docs) so future feature
work can branch and use isolated worktrees.

scripts/baixar-base-rfb.mjs

@@ -0,0 +1,18 @@
+import { loadDotEnv, paths } from '../src/env.mjs';
+import { downloadRfbDataset } from '../src/extract/rfb-downloader.mjs';
+
+await loadDotEnv();
+
+downloadRfbDataset({
+  rawDir: paths.rfbRaw,
+  onProgress: (progress) => {
+    const pct = progress.pct == null ? '' : `${progress.pct}% `;
+    console.log(`[RFB] ${pct}${progress.message}`);
+  }
+}).then((result) => {
+  if (result.cancelled) process.exitCode = 2;
+  else console.log(`[RFB] snapshot ${result.snapshot} pronto: ${result.downloaded.length} baixados, ${result.skipped.length} reutilizados.`);
+}).catch((error) => {
+  console.error(`[RFB] erro: ${error.stack || error.message}`);
+  process.exitCode = 1;
+});