feat(db): migrate from lowdb to SQLite with repos pattern

- Add modular DB layer (adapters, migrations, repos, helpers)
- Replace localDb/usageDb/requestDetailsDb monoliths with repos
- Add Tailscale tunnel integration & status check API
- Add /api/cli-tools/all-statuses aggregated endpoint
- Add settingsStore (Zustand) and mitm/dbReader
- Add DB unit tests (benchmark, concurrent, migration, vs-lowdb)

src/lib/network/initOutboundProxy.js

@@ -17,6 +17,9 @@ export async function ensureOutboundProxyInitialized() {
   return initialized;
 }
 
-ensureOutboundProxyInitialized().catch(console.log);
+// Defer init so HTTP server accepts connections first
+setImmediate(() => {
+  ensureOutboundProxyInitialized().catch(console.log);
+});
 
 export default ensureOutboundProxyInitialized;