02 · Products
Three products. One ecosystem.
Proassistly owns the state. Zettlein owns the interface. Brokher.com owns the distribution. Shared identity, media, docs and events make them behave as one system.
Product 01
Proassistly — the operational engine.
The system of record. Every user, property, contract, message, payment and AI action lives here. Vue/Quasar admin over a .NET C# service mesh, Prisma-modeled Postgres on AWS.
- • Identity, KYC & tenant management
- • Property, media & floor-plan store
- • Workflow & task engine (state machines per transaction)
- • CRM: leads, pipelines, comms hub
- • Contracts & document assembly
- • Payments, escrow ledger, payouts
- • AI-action audit log (every model call, every tool use)
- • Analytics, cohort & funnel telemetry
┌────────────── Proassistly ──────────────┐ │ Identity ─┬─ KYC ─┬─ Tenants │ │ Property ─┴─ Media ┴─ FloorPlans │ │ CRM ─── Workflows ─── Contracts │ │ Payments ─── Escrow ─── Payouts │ │ AI-Actions ─── Audit ─── Analytics │ └──────────────────────────────────────────┘
Product 02
Zettlein — the AI advisor.
user ⇄ Zettlein ⇄ agent orchestrator
│
┌────────┼────────┐
▼ ▼ ▼
RAG tool-use safety
(listings, (offers, (guardrails,
legal, docs, PII, i18n)
market) booking)A multilingual (KH / EN / ZH) conversational assistant that does not just answer — it acts. Zettlein takes tool actions inside Proassistly: schedule tours, generate a reservation agreement, submit an offer, request escrow, order a photographer.
- • Seller mode — capture guidance, pricing, listing coach
- • Buyer mode — recommendations, legal eligibility, financing
- • Investor mode — yield & appreciation modeling
- • Landlord mode — tenants, maintenance, renewals
- • Manager mode — portfolio, arrears, service dispatch
Product 03
Brokher.com — the public marketplace.
Discovery
SEO + map + search
Server-rendered listings, faceted search, map view, structured data. Optimized for Khmer, English and Chinese SERPs.
Media-first PDP
AI-generated
Photos, floor plans, video walkthrough, virtual tour, price truth panel and legal note per property.
Embedded Zettlein
Always on
Every property page ships with a Zettlein assistant scoped to that listing — instant Q&A, tour booking, offer submission.
How they interlock
Shared spine, not integrations.
┌──────────────── Brokher.com ────────────────┐
│ public marketplace · Zettlein embed │
└──────────────▲────────────────▲─────────────┘
│ │
read model │ │ actions
│ │
┌──────────────┴──── Zettlein ──┴─────────────┐
│ multilingual advisor · tool-use │
└──────────────▲──────────────────────────────┘
│
│ RPC + events
▼
┌──────────────── Proassistly ────────────────┐
│ identity · property · CRM · contracts · │
│ payments · media · workflows · analytics │
└──────────────────────────────────────────────┘