chore: auto-commit (23 archivos)

- app.md
- backend/auth.go
- backend/db.go
- backend/dist/assets/index-CPqSy0gZ.js
- backend/dist/index.html
- backend/handlers.go
- backend/main.go
- frontend/src/App.tsx
- frontend/src/api.ts
- frontend/src/components/KanbanCard.tsx
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

dev/feature_flags.json

@@ -0,0 +1,11 @@
+{
+  "flags": {
+    "registration-enabled": {
+      "enabled": false,
+      "issue": null,
+      "description": "Allows new users to register via POST /api/auth/register and the LoginPage register toggle.",
+      "added": "2026-05-12",
+      "enabled_at": null
+    }
+  }
+}